Release 0.8.1

Extract hardcoded strings from layouts
Translations (#1750 )
2025-06-26 19:17:51 +02:00 · 2019-03-15 16:50:13 +01:00 · 2019-03-15 08:48:12 +01:00 · 2019-03-15 08:41:10 +01:00 · 2019-03-14 21:44:20 +01:00 · 2019-03-14 17:45:21 +01:00
1177 changed files with 59540 additions and 24608 deletions
--- a/.github/CONTRIBUTING.md
+++ b/.github/CONTRIBUTING.md
@ -0,0 +1,33 @@
+1. **Before reporting a new issue, take a look at the [FAQ](https://github.com/inorichi/tachiyomi/wiki/FAQ), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened [issues](https://github.com/inorichi/tachiyomi/issues).**
+2. If you are unsure, ask here: [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi)
+3. What is your type of issue?
+    * [Catalogue request](#catalogue-requests)
+    * [Bugs](#bugs)
+    * [Feature requests](#feature-requests)
+    * [Translations](https://github.com/inorichi/tachiyomi/wiki/Translation)
+4. After following 1. and 3. you can [open your issue](https://github.com/inorichi/tachiyomi/issues/new)
+
+***
+
+# Catalogue requests
+
+* Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions#readme, not here
+
+# Bugs
+* Include version (Setting > About > Version)
+ * If not latest, try updating, it may have already been solved
+ * Dev version is equal to the number of commits as seen in the main page
+* Include steps to reproduce (if not obvious from description)
+* Include screenshot (if needed)
+* If it could be device-dependent, try reproducing on another device (if possible)
+* For large logs use http://pastebin.com/ (or similar)
+* Don't group unrelated requests into one issue
+
+DO: https://github.com/inorichi/tachiyomi/issues/24 https://github.com/inorichi/tachiyomi/issues/71
+
+DON'T: https://github.com/inorichi/tachiyomi/issues/75
+
+# Feature requests
+
+* Write a detailed issue, explaning what it should do or how. Avoid writing just "like X app does"
+* Include screenshot (if needed)
--- a/.github/ISSUE_TEMPLATE.md
+++ b/.github/ISSUE_TEMPLATE.md
@ -0,0 +1,15 @@
+**DO NOT OPEN ISSUES/REQUESTS RELATING TO EXTENSIONS/CATALOGUES IN THIS REPOSITORY. Open them at the following repository  https://github.com/inorichi/tachiyomi-extensions/**
+
+**For all other requests Please fill out the form below and remove the first 3 lines of this template**
+
+**App version:**
+
+**Issue/Request:**
+
+**Steps to reproduce (if applicable)**
+
+ 1.
+ 2.
+ 3.
+
+**Other details:**
--- a/.github/readme-images/app-icon.png
+++ b/.github/readme-images/app-icon.png
--- a/.github/readme-images/screens.png
+++ b/.github/readme-images/screens.png
--- a/.travis.yml
+++ b/.travis.yml
@ -1,19 +1,58 @@
 language: android
 android:
  components:
-    - platform-tools
-    - tools
-
-    # The BuildTools version used by your project
-    - build-tools-23.0.1
-    - android-23
-    - extra-android-m2repository
-    - extra-google-m2repository
-    - extra-android-support
-    - extra-google-google_play_services
-
-before_script:
-    - chmod +x gradlew
-#Build, and run tests
-script: "./gradlew build testDebug"
-sudo: false
+  - build-tools-28.0.3
+  - android-27
+  - extra-android-m2repository
+  - extra-google-m2repository
+  - extra-android-support
+  - extra-google-google_play_services
+  licenses:
+  - android-sdk-license-.+
+before_install:
+- yes | sdkmanager "platforms;android-27" # workaround for accepting the license
+- if [ "$TRAVIS_PULL_REQUEST" = "false" ]; then
+    openssl aes-256-cbc -K $encrypted_e56be693d4fd_key -iv $encrypted_e56be693d4fd_iv -in "$PWD/.travis/secrets.tar.enc" -out secrets.tar -d;
+    tar xf secrets.tar;
+    mv debug.keystore "$HOME/.android";
+  fi
+- git clone https://github.com/urho3d/android-ndk.git $HOME/android-ndk-root
+- export ANDROID_NDK_HOME=$HOME/android-ndk-root
+- mkdir "$ANDROID_HOME/licenses" || true
+- echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
+- echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
+script: ".travis/build.sh"
+before_cache:
+- rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+- rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+cache:
+  directories:
+  - "$HOME/.gradle/caches/"
+  - "$HOME/.gradle/wrapper/"
+  - "$HOME/.android/build-cache"
+deploy:
+- provider: releases
+  api_key:
+    secure: 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
+  file: tachiyomi-v*.apk
+  file_glob: true
+  skip_cleanup: true
+  on:
+    tags: true
+    repo: inorichi/tachiyomi
+- provider: script
+  script: ".travis/deploy.sh"
+  skip_cleanup: true
+  on:
+    branch: master
+    condition: "-z $TRAVIS_TAG"
+    repo: inorichi/tachiyomi
+env:
+  global:
+  - secure: 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
+  - secure: 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
+  - secure: C93UADV5aR0zhLCLwR6tCyz+fwUYslZbhjBl3PHQp+0boIGS/Be2UQTFHp/NB9mQmhWqbwqHoAVFENZFytV04ePgOuNtMFcjAIfnzm19Am7iRAMFixD45pF/CuYYfLupElkAcSequtAzN0g4G0sQ5KR1hibaDIoz9kfA2YcUAMaZ4T5bhCr8os/xA2nOlmvPDWsRWCFBYkSpnmbsSsgYAhulA/V5bSNAWnp9LPw3CBLibW3WsVP4wuhZAkXznKwn/mHT31kfQlpMH3qNhXpsN9huUkZ/k8QWeakcHJKugung0Z2T1StK8rlI8OrJstVcwueHTa2ses4f5VbhWog/Z8HDkdll9W9RM/QqXjNDtOVBt/SPuhCp4k2rvJixFUxzvSqgSWQvQnbHwjWxIUVVyHtnb0/zc/S9ONZG14TOwB/+Lkgacb85PNszurZ2f3mH0O6slIh1mH+5d9J4+L976ot4nTPlK1OtothagVyKGOrn9HycrPk/MjftIJuElHzo7NEJd/wRPqIb5y12iZN1RSPriU+itg1uSAVP891/o3peJyuqY9WSB7dYwgDJos6dDvbr19emtdyxkQR+eAb5duyH6s4R58wh1kJ1d4zu0X6uSnF4AIc+6teKkN24rSXcqB/hrcojS49jgLy5P0/CVsUbYZPI/tx8E/IJfr8m36E=
+  - secure: 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
+  - secure: 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
+  - secure: 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
+  - secure: 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
--- a/.travis/build.sh
+++ b/.travis/build.sh
@ -0,0 +1,22 @@
+#!/bin/bash
+
+git fetch --unshallow #required for commit count
+
+cp .travis/google-services.json app/
+
+if [ -z "$TRAVIS_TAG" ]; then
+    ./gradlew clean assembleStandardDebug
+
+    COMMIT_COUNT=$(git rev-list --count HEAD)
+    export ARTIFACT="tachiyomi-r${COMMIT_COUNT}.apk"
+
+    mv app/build/outputs/apk/standard/debug/app-standard-debug.apk $ARTIFACT
+else
+    ./gradlew clean assembleStandardRelease
+
+    TOOLS="$(ls -d ${ANDROID_HOME}/build-tools/* | tail -1)"
+    export ARTIFACT="tachiyomi-${TRAVIS_TAG}.apk"
+
+    ${TOOLS}/zipalign -v -p 4 app/build/outputs/apk/standard/release/app-standard-release-unsigned.apk app-aligned.apk
+    ${TOOLS}/apksigner sign --ks $STORE_PATH --ks-key-alias $STORE_ALIAS --ks-pass env:STORE_PASS --key-pass env:KEY_PASS --out $ARTIFACT app-aligned.apk
+fi
--- a/.travis/deploy.sh
+++ b/.travis/deploy.sh
@ -0,0 +1,15 @@
+#!/bin/bash
+
+pattern="tachiyomi-r*"
+files=( $pattern )
+export ARTIFACT="${files[0]}"
+
+if [ -z "$ARTIFACT" ]; then
+    echo "Artifact not found"
+    exit 1
+fi
+
+export SSHOPTIONS="-o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -i ${DEPLOY_KEY}"
+
+scp $SSHOPTIONS $ARTIFACT $DEPLOY_USER@$DEPLOY_HOST:builds/
+ssh $SSHOPTIONS $DEPLOY_USER@$DEPLOY_HOST ln -sf $ARTIFACT builds/latest
--- a/.travis/google-services.json
+++ b/.travis/google-services.json
@ -0,0 +1,73 @@
+{
+  "project_info": {
+    "project_number": "777921915939",
+    "firebase_url": "https://tachiyomi-47364.firebaseio.com",
+    "project_id": "tachiyomi-47364",
+    "storage_bucket": "tachiyomi-47364.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:777921915939:android:36544cd2d96c50c7",
+        "android_client_info": {
+          "package_name": "eu.kanade.tachiyomi"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "777921915939-9q25jvgbdtpk91daqlk7sa1cbdcg77o6.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAHr8RxyeiSPC_MxJTnivz-hmdo5oX0QQQ"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    },
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:777921915939:android:564fdc1d62efd1de",
+        "android_client_info": {
+          "package_name": "eu.kanade.tachiyomi.debug"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "777921915939-9q25jvgbdtpk91daqlk7sa1cbdcg77o6.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAHr8RxyeiSPC_MxJTnivz-hmdo5oX0QQQ"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
--- a/.travis/secrets.tar.enc
+++ b/.travis/secrets.tar.enc
--- a/README.md
+++ b/README.md
@ -1,21 +1,70 @@
+| Build | Stable | Dev | Contribute | Contact |
+|-------|----------|---------|------------|---------|
+| [![Travis](https://img.shields.io/travis/inorichi/tachiyomi.svg)](https://travis-ci.org/inorichi/tachiyomi) | [![stable release](https://img.shields.io/github/release/inorichi/tachiyomi.svg?maxAge=3600&label=download%20(autoupdate%20included))](https://github.com/inorichi/tachiyomi/releases) | [![latest dev build](https://img.shields.io/badge/download-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest) [![fdroid dev](https://img.shields.io/badge/autoupdate-wiki-blue.svg)](//github.com/inorichi/tachiyomi/wiki/F-Droid-for-dev-versions) | [![Translation status](https://hosted.weblate.org/widgets/tachiyomi/-/svg-badge.svg)](https://hosted.weblate.org/engage/tachiyomi/?utm_source=widget) | [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi) |
+
+
+# ![app icon](./.github/readme-images/app-icon.png)Tachiyomi
 Tachiyomi is a free and open source manga reader for Android.

-Keep in mind it's still a beta, so expect it to crash sometimes.
+![screenshots of app](./.github/readme-images/screens.png)

-Current features:
+## Features

-* Online and offline reading
-* Configurable reader with multiple viewers and settings
-* MyAnimeList support
-* Resume from the next unread chapter
-* Chapter filtering
-* Schedule searching for updates
+Features include:
+* Online reading from sources such as KissManga, MangaFox, [and more](https://github.com/inorichi/tachiyomi-extensions)
+* Local reading of downloaded manga
+* Configurable reader with multiple viewers, reading directions and other settings
+* [MyAnimeList](https://myanimelist.net/), [AniList](https://anilist.co/), and [Kitsu](https://kitsu.io/explore/anime) support
 * Categories to organize your library
+* Light and dark themes
+* Schedule updating your library for new chapters
+* Create backups locally to read offline or to your desired cloud service 

 ## Download
+Get the app from our [releases page](https://github.com/inorichi/tachiyomi/releases).

-[![stable release](https://img.shields.io/badge/release-v0.1.2-blue.svg)](https://github.com/inorichi/tachiyomi/releases/download/v0.1.2/tachiyomi-v0.1.2.apk)
-[![latest debug build](https://img.shields.io/badge/debug-latest%20build-blue.svg)](http://tachiyomi.kanade.eu/latest/app-debug.apk)
+If you want to try new features before they get to the stable release, you can download the dev version [here](http://tachiyomi.kanade.eu/latest) (auto-updates not included), or add our [F-Droid repo](https://github.com/inorichi/tachiyomi/wiki/F-Droid-for-dev-versions).
+
+## Issues, Feature Requests and Contributing
+
+Please make sure to read the full guidelines. Your issue may be closed without warning if you do not.
+
+<details><summary>Issues</summary>
+
+1. **Before reporting a new issue, take a look at the [FAQ](https://github.com/inorichi/tachiyomi/wiki/FAQ), the [changelog](https://github.com/inorichi/tachiyomi/releases) and the already opened [issues](https://github.com/inorichi/tachiyomi/issues).**
+2. If you are unsure, ask here: [![Discord](https://img.shields.io/discord/349436576037732353.svg)](https://discord.gg/tachiyomi)
+
+</details>
+
+<details><summary>Bugs</summary>
+
+* Include version (Setting > About > Version)
+ * If not latest, try updating, it may have already been solved
+ * Dev version is equal to the number of commits as seen in the main page
+* Include steps to reproduce (if not obvious from description)
+* Include screenshot (if needed)
+* If it could be device-dependent, try reproducing on another device (if possible)
+* For large logs use http://pastebin.com/ (or similar)
+* Don't group unrelated requests into one issue
+
+DO: https://github.com/inorichi/tachiyomi/issues/24 https://github.com/inorichi/tachiyomi/issues/71
+
+DON'T: https://github.com/inorichi/tachiyomi/issues/75
+
+</details>
+
+<details><summary>Feature Requests</summary>
+
+* Write a detailed issue, explaning what it should do or how. Avoid writing just "like X app does"
+* Include screenshot (if needed)
+
+Catalogue requests should be created at https://github.com/inorichi/tachiyomi-extensions, they do not belong in this repository.
+</details>
+
+## FAQ
+
+[See our wiki.](https://github.com/inorichi/tachiyomi/wiki/FAQ)
+You can also reach out to us on [Discord](https://discord.gg/WrBkRk4).

 ## License

--- a/app/.gitignore
+++ b/app/.gitignore
@ -1,4 +1,5 @@
 /build
 *iml
 *.iml
-.idea
+custom.gradle
+google-services.json
--- a/app/build.gradle
+++ b/app/build.gradle
@ -1,19 +1,18 @@
 import java.text.SimpleDateFormat

-apply plugin: 'android-sdk-manager'
 apply plugin: 'com.android.application'
-apply plugin: 'com.neenbedankt.android-apt'
-apply plugin: 'me.tatarka.retrolambda'
+apply plugin: 'kotlin-android'
+apply plugin: 'kotlin-android-extensions'
+apply plugin: 'kotlin-kapt'
+apply plugin: 'com.github.zellius.shortcut-helper'

-retrolambda {
-    jvmArgs '-noverify'
-}
+shortcutHelper.filePath = './shortcuts.xml'

 ext {
    // Git is needed in your system PATH for these commands to work.
    // If it's not installed, you can return a random value as a workaround
    getCommitCount = {
-        return 'git rev-list --count origin/master'.execute().text.trim()
+        return 'git rev-list --count HEAD'.execute().text.trim()
        // return "1"
    }

@ -30,39 +29,61 @@ ext {
 }

 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 27
+    buildToolsVersion '28.0.3'
    publishNonDefault true

    defaultConfig {
        applicationId "eu.kanade.tachiyomi"
        minSdkVersion 16
-        targetSdkVersion 23
+        targetSdkVersion 27
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
-        versionCode 3
-        versionName "0.1.2"
+        versionCode 39
+        versionName "0.8.1"

        buildConfigField "String", "COMMIT_COUNT", "\"${getCommitCount()}\""
        buildConfigField "String", "COMMIT_SHA", "\"${getGitSha()}\""
        buildConfigField "String", "BUILD_TIME", "\"${getBuildTime()}\""
-    }
+        buildConfigField "boolean", "INCLUDE_UPDATER", "false"

-    compileOptions {
-        sourceCompatibility JavaVersion.VERSION_1_8
-        targetCompatibility JavaVersion.VERSION_1_8
+        vectorDrawables.useSupportLibrary = true
+
+        ndk {
+            abiFilters "armeabi-v7a", "arm64-v8a", "x86"
+        }
    }

    buildTypes {
        debug {
+            versionNameSuffix "-${getCommitCount()}"
            applicationIdSuffix ".debug"
+            multiDexEnabled true
        }
        release {
            minifyEnabled true
            shrinkResources true
+            multiDexEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }

+    flavorDimensions "default"
+
+    productFlavors {
+        standard {
+            buildConfigField "boolean", "INCLUDE_UPDATER", "true"
+            dimension "default"
+        }
+        fdroid {
+            dimension "default"
+        }
+        dev {
+            minSdkVersion 21
+            resConfigs "en", "xxhdpi"
+            dimension "default"
+        }
+    }
+
    packagingOptions {
        exclude 'META-INF/DEPENDENCIES'
        exclude 'LICENSE.txt'
@ -79,67 +100,166 @@ android {
 }

 dependencies {
-    final SUPPORT_LIBRARY_VERSION = '23.1.1'
-    final DAGGER_VERSION = '2.0.2'
-    final MOCKITO_VERSION = '1.10.19'
-    final STORIO_VERSION = '1.8.0'
-    final ICEPICK_VERSION = '3.1.0'

-    compile fileTree(dir: 'libs', include: ['*.jar'])
-    compile project(":SubsamplingScaleImageView")
+    // Modified dependencies
+    implementation 'com.github.inorichi:subsampling-scale-image-view:ac0dae7'
+    implementation 'com.github.inorichi:junrar-android:634c1f5'

-    compile "com.android.support:support-v4:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:appcompat-v7:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:cardview-v7:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:design:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:recyclerview-v7:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:support-annotations:$SUPPORT_LIBRARY_VERSION"
-    compile "com.android.support:percent:$SUPPORT_LIBRARY_VERSION"
-    compile 'com.squareup.okhttp:okhttp-urlconnection:2.7.2'
-    compile 'com.squareup.okhttp:okhttp:2.7.2'
-    compile 'com.squareup.okio:okio:1.6.0'
-    compile 'com.google.code.gson:gson:2.5'
-    compile 'com.jakewharton:disklrucache:2.0.2'
-    compile 'org.jsoup:jsoup:1.8.3'
-    compile 'io.reactivex:rxandroid:1.1.0'
-    compile 'io.reactivex:rxjava:1.1.0'
-    compile 'com.f2prateek.rx.preferences:rx-preferences:1.0.1'
-    compile "com.pushtorefresh.storio:sqlite:$STORIO_VERSION"
-    compile "com.pushtorefresh.storio:sqlite-annotations:$STORIO_VERSION"
-    compile 'info.android15.nucleus:nucleus:2.0.4'
-    compile 'de.greenrobot:eventbus:2.4.0'
-    compile 'com.github.bumptech.glide:glide:3.6.1'
-    compile 'com.jakewharton:butterknife:7.0.1'
-    compile 'com.jakewharton.timber:timber:4.1.0'
-    compile 'uk.co.ribot:easyadapter:1.5.0@aar'
-    compile 'ch.acra:acra:4.7.0'
-    compile "frankiesardo:icepick:$ICEPICK_VERSION"
-    provided "frankiesardo:icepick-processor:$ICEPICK_VERSION"
-    compile 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
-    compile 'eu.davidea:flexible-adapter:4.2.0'
-    compile 'com.nononsenseapps:filepicker:2.5.1'
-    compile 'com.github.amulyakhare:TextDrawable:558677e'
-    compile 'com.github.pwittchen:reactivenetwork:0.1.5'
+    // Android support library
+    final support_library_version = '27.0.2'
+    implementation "com.android.support:support-v4:$support_library_version"
+    implementation "com.android.support:appcompat-v7:$support_library_version"
+    implementation "com.android.support:cardview-v7:$support_library_version"
+    implementation "com.android.support:design:$support_library_version"
+    implementation "com.android.support:recyclerview-v7:$support_library_version"
+    implementation "com.android.support:preference-v7:$support_library_version"
+    implementation "com.android.support:support-annotations:$support_library_version"
+    implementation "com.android.support:customtabs:$support_library_version"

-    compile "com.google.dagger:dagger:$DAGGER_VERSION"
-    apt "com.google.dagger:dagger-compiler:$DAGGER_VERSION"
-    apt "com.pushtorefresh.storio:sqlite-annotations-processor:$STORIO_VERSION"
-    provided 'org.glassfish:javax.annotation:10.0-b28'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.2'

-    compile('com.mikepenz:materialdrawer:4.6.4@aar') {
-        transitive = true
-    }
-    compile('com.github.afollestad.material-dialogs:core:0.8.5.3@aar') {
-        transitive = true
+    implementation 'com.android.support:multidex:1.0.3'
+
+    standardImplementation 'com.google.firebase:firebase-core:11.8.0'
+
+    // ReactiveX
+    implementation 'io.reactivex:rxandroid:1.2.1'
+    implementation 'io.reactivex:rxjava:1.3.6'
+    implementation 'com.jakewharton.rxrelay:rxrelay:1.2.0'
+    implementation 'com.f2prateek.rx.preferences:rx-preferences:1.0.2'
+    implementation 'com.github.pwittchen:reactivenetwork:0.7.0'
+
+    // Network client
+    implementation "com.squareup.okhttp3:okhttp:3.10.0"
+    implementation 'com.squareup.okio:okio:1.14.0'
+
+    // REST
+    final retrofit_version = '2.3.0'
+    implementation "com.squareup.retrofit2:retrofit:$retrofit_version"
+    implementation "com.squareup.retrofit2:converter-gson:$retrofit_version"
+    implementation "com.squareup.retrofit2:adapter-rxjava:$retrofit_version"
+
+    // JSON
+    implementation 'com.google.code.gson:gson:2.8.2'
+    implementation 'com.github.salomonbrys.kotson:kotson:2.5.0'
+
+    // JavaScript engine
+    implementation 'com.squareup.duktape:duktape-android:1.2.0'
+
+    // Disk
+    implementation 'com.jakewharton:disklrucache:2.0.2'
+    implementation 'com.github.inorichi:unifile:e9ee588'
+
+    // HTML parser
+    implementation 'org.jsoup:jsoup:1.10.2'
+
+    // Job scheduling
+    implementation 'com.evernote:android-job:1.2.5'
+    implementation 'com.google.android.gms:play-services-gcm:11.8.0'
+
+    // Changelog
+    implementation 'com.github.gabrielemariotti.changeloglib:changelog:2.1.0'
+
+    // Database
+    implementation 'eu.kanade.storio:storio:1.13.0'
+    implementation 'io.requery:sqlite-android:3.25.2'
+
+    // Model View Presenter
+    final nucleus_version = '3.0.0'
+    implementation "info.android15.nucleus:nucleus:$nucleus_version"
+    implementation "info.android15.nucleus:nucleus-support-v7:$nucleus_version"
+
+    // Dependency injection
+    implementation "com.github.inorichi.injekt:injekt-core:65b0440"
+
+    // Image library
+    final glide_version = '4.6.1'
+    implementation "com.github.bumptech.glide:glide:$glide_version"
+    implementation "com.github.bumptech.glide:okhttp3-integration:$glide_version"
+    kapt "com.github.bumptech.glide:compiler:$glide_version"
+
+    // Transformations
+    implementation 'jp.wasabeef:glide-transformations:3.1.1'
+
+    // Logging
+    implementation 'com.jakewharton.timber:timber:4.6.1'
+
+    // Crash reports
+    implementation 'ch.acra:acra:4.9.2'
+
+    // Sort
+    implementation 'com.github.gpanther:java-nat-sort:natural-comparator-1.1'
+
+    // UI
+    implementation 'com.dmitrymalkovich.android:material-design-dimens:1.4'
+    implementation 'com.github.dmytrodanylyk.android-process-button:library:1.0.4'
+    implementation 'eu.davidea:flexible-adapter:5.0.0-rc4'
+    implementation 'eu.davidea:flexible-adapter-ui:1.0.0-b1'
+    implementation 'com.nononsenseapps:filepicker:2.5.2'
+    implementation 'com.github.amulyakhare:TextDrawable:558677e'
+    implementation 'com.afollestad.material-dialogs:core:0.9.6.0'
+    implementation 'me.zhanghai.android.systemuihelper:library:1.0.0'
+    implementation 'com.nightlynexus.viewstatepageradapter:viewstatepageradapter:1.0.4'
+    implementation 'com.github.mthli:Slice:v1.2'
+    implementation 'me.gujun.android.taggroup:library:1.4@aar'
+    implementation 'com.github.chrisbanes:PhotoView:2.1.3'
+    implementation 'com.github.inorichi:DirectionalViewPager:3acc51a'
+
+    // Conductor
+    implementation 'com.bluelinelabs:conductor:2.1.5'
+    implementation ("com.bluelinelabs:conductor-support:2.1.5") {
+        exclude group: "com.android.support"
    }
+    implementation 'com.github.inorichi:conductor-support-preference:27.0.2'

-    testCompile 'junit:junit:4.12'
-    testCompile 'org.assertj:assertj-core:2.3.0'
-    testCompile "org.mockito:mockito-core:$MOCKITO_VERSION"
-    testCompile('org.robolectric:robolectric:3.0') {
-        exclude group: 'commons-logging', module: 'commons-logging'
-        exclude group: 'org.apache.httpcomponents', module: 'httpclient'
-    }
+    // RxBindings
+    final rxbindings_version = '1.0.1'
+    implementation "com.jakewharton.rxbinding:rxbinding-kotlin:$rxbindings_version"
+    implementation "com.jakewharton.rxbinding:rxbinding-appcompat-v7-kotlin:$rxbindings_version"
+    implementation "com.jakewharton.rxbinding:rxbinding-support-v4-kotlin:$rxbindings_version"
+    implementation "com.jakewharton.rxbinding:rxbinding-recyclerview-v7-kotlin:$rxbindings_version"

-    androidTestApt "com.google.dagger:dagger-compiler:$DAGGER_VERSION"
+    // Tests
+    testImplementation 'junit:junit:4.12'
+    testImplementation 'org.assertj:assertj-core:1.7.1'
+    testImplementation 'org.mockito:mockito-core:1.10.19'
+
+    final robolectric_version = '3.1.4'
+    testImplementation "org.robolectric:robolectric:$robolectric_version"
+    testImplementation "org.robolectric:shadows-multidex:$robolectric_version"
+    testImplementation "org.robolectric:shadows-play-services:$robolectric_version"
+
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    final coroutines_version = '0.22.2'
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-core:$coroutines_version"
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutines_version"
+}
+
+buildscript {
+    ext.kotlin_version = '1.2.71'
+    repositories {
+        mavenCentral()
+    }
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+    }
+}
+
+repositories {
+    mavenCentral()
+}
+
+kotlin {
+    experimental {
+        coroutines 'enable'
+    }
+}
+
+androidExtensions {
+    experimental = true
+}
+
+if (getGradle().getStartParameter().getTaskRequests().toString().contains("Standard")) {
+    apply plugin: 'com.google.gms.google-services'
 }
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@ -1,63 +1,36 @@
 -dontobfuscate

-keep class eu.kanade.tachiyomi.injection.** { *; }
+-dontwarn eu.kanade.tachiyomi.**
+-keep class eu.kanade.tachiyomi.**
+-keep class eu.kanade.tachiyomi.source.model.** { *; }

-# Retrolambda
-dontwarn java.lang.invoke.*
+-keep class com.hippo.image.** { *; }
+-keep interface com.hippo.image.** { *; }
+-dontwarn nucleus.view.NucleusActionBarActivity
+
+# Extensions may require methods unused in the core app
+-keep class org.jsoup.** { *; }
+-keep class kotlin.** { *; }
+-keep class okhttp3.** { *; }
+-keep class com.google.gson.** { *; }
+-keep class com.github.salomonbrys.kotson.** { *; }

 # OkHttp
-keepattributes Signature
-keepattributes *Annotation*
-keep class com.squareup.okhttp.** { *; }
-keep interface com.squareup.okhttp.** { *; }
-dontwarn com.squareup.okhttp.**
+-dontwarn okhttp3.**
 -dontwarn okio.**
-
-# Okio
-keep class sun.misc.Unsafe { *; }
-dontwarn java.nio.file.*
-dontwarn org.codehaus.mojo.animal_sniffer.IgnoreJRERequirement
-dontwarn okio.**
-
-# ButterKnife 7
-keep class butterknife.** { *; }
-dontwarn butterknife.internal.**
-keep class **$$ViewBinder { *; }
-
-keepclasseswithmembernames class * {
-    @butterknife.* <fields>;
-}
-
-keepclasseswithmembernames class * {
-    @butterknife.* <methods>;
-}
-
-#Easy-Adapter v1.5.0
-keepattributes *Annotation*
-keepclassmembers class * extends uk.co.ribot.easyadapter.ItemViewHolder {
-    public <init>(...);
- }
-
-## GreenRobot EventBus specific rules ##
-# https://github.com/greenrobot/EventBus/blob/master/HOWTO.md#proguard-configuration
-keepclassmembers class ** {
-    public void onEvent*(***);
-}
-
-# Don't warn for missing support classes
-dontwarn de.greenrobot.event.util.*$Support
-dontwarn de.greenrobot.event.util.*$SupportManagerFragment
+-dontwarn javax.annotation.**
+-dontwarn retrofit2.Platform$Java8

 # Glide specific rules #
 # https://github.com/bumptech/glide
 -keep public class * implements com.bumptech.glide.module.GlideModule
+-keep public class * extends com.bumptech.glide.AppGlideModule
 -keep public enum com.bumptech.glide.load.resource.bitmap.ImageHeaderParser$** {
    **[] $VALUES;
    public *;
 }

 # RxJava 1.1.0
-
 -dontwarn sun.misc.**

 -keepclassmembers class rx.internal.util.unsafe.*ArrayQueue*Field* {
@ -73,77 +46,47 @@
    rx.internal.util.atomic.LinkedQueueNode consumerNode;
 }

-# AppCombat
+### Support v7, Design
+# http://stackoverflow.com/questions/29679177/cardview-shadow-not-appearing-in-lollipop-after-obfuscate-with-proguard/29698051
+-keep class android.support.v7.widget.RoundRectDrawable { *; }
+
 -keep public class android.support.v7.widget.** { *; }
 -keep public class android.support.v7.internal.widget.** { *; }
 -keep public class android.support.v7.internal.view.menu.** { *; }
+-keep public class android.support.v7.graphics.drawable.** { *; }

 -keep public class * extends android.support.v4.view.ActionProvider {
    public <init>(android.content.Context);
 }

-# Icepick
-dontwarn icepick.**
-keep class **$$Icepick { *; }
-keepclasseswithmembernames class * {
-    @icepick.* <fields>;
-}
+-dontwarn android.support.**
+-dontwarn android.support.design.**
+-keep class android.support.design.** { *; }
+-keep interface android.support.design.** { *; }
+-keep public class android.support.design.R$* { *; }

-## GSON 2.2.4 specific rules ##
+
+# ReactiveNetwork
+-dontwarn com.github.pwittchen.reactivenetwork.**
+
+## GSON ##

 # Gson uses generic type information stored in a class file when working with fields. Proguard
 # removes such information by default, so configure it to keep all of it.
 -keepattributes Signature

-# For using GSON @Expose annotation
-keepattributes *Annotation*
-
-keepattributes EnclosingMethod
-
 # Gson specific classes
 -keep class sun.misc.Unsafe { *; }
-keep class com.google.gson.stream.** { *; }

-## ACRA 4.5.0 specific rules ##
+# Prevent proguard from stripping interface information from TypeAdapterFactory,
+# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
+-keep class * implements com.google.gson.TypeAdapterFactory
+-keep class * implements com.google.gson.JsonSerializer
+-keep class * implements com.google.gson.JsonDeserializer

-# we need line numbers in our stack traces otherwise they are pretty useless
-renamesourcefileattribute SourceFile
-keepattributes SourceFile,LineNumberTable
+# SnakeYaml
+-keep class org.yaml.snakeyaml.** { public protected private *; }
+-dontwarn org.yaml.snakeyaml.**

-# ACRA needs "annotations" so add this...
-keepattributes *Annotation*
-
-# keep this class so that logging will show 'ACRA' and not a obfuscated name like 'a'.
-# Note: if you are removing log messages elsewhere in this file then this isn't necessary
-keep class org.acra.ACRA {
-	*;
-}
-
-# keep this around for some enums that ACRA needs
-keep class org.acra.ReportingInteractionMode {
-    *;
-}
-
-keepnames class org.acra.sender.HttpSender$** {
-    *;
-}
-
-keepnames class org.acra.ReportField {
-    *;
-}
-
-# keep this otherwise it is removed by ProGuard
-keep public class org.acra.ErrorReporter {
-    public void addCustomData(java.lang.String,java.lang.String);
-    public void putCustomData(java.lang.String,java.lang.String);
-    public void removeCustomData(java.lang.String);
-}
-
-# keep this otherwise it is removed by ProGuard
-keep public class org.acra.ErrorReporter {
-    public void handleSilentException(java.lang.Throwable);
-}
-
-# Keep the support library
-keep class org.acra.** { *; }
-keep interface org.acra.** { *; }
+# Duktape
+-keep class com.squareup.duktape.** { *; }
--- a/app/shortcuts.xml
+++ b/app/shortcuts.xml
@ -0,0 +1,47 @@
+<shortcuts xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_book_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_library"
+        android:shortcutLongLabel="@string/label_library"
+        android:shortcutShortLabel="@string/label_library">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_LIBRARY"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_update_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_recently_updated"
+        android:shortcutLongLabel="@string/label_recent_updates"
+        android:shortcutShortLabel="@string/short_recent_updates">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_UPDATED"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_glasses_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_recently_read"
+        android:shortcutLongLabel="@string/label_recent_manga"
+        android:shortcutShortLabel="@string/label_recent_manga">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_RECENTLY_READ"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+    <shortcut
+        android:enabled="true"
+        android:icon="@drawable/sc_explore_48dp"
+        android:shortcutDisabledMessage="@string/app_not_available"
+        android:shortcutId="show_catalogues"
+        android:shortcutLongLabel="@string/label_catalogues"
+        android:shortcutShortLabel="@string/label_catalogues">
+        <intent
+            android:action="eu.kanade.tachiyomi.SHOW_CATALOGUES"
+            android:targetClass="eu.kanade.tachiyomi.ui.main.MainActivity" />
+    </shortcut>
+</shortcuts>
--- a/app/src/debug/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/debug/res/drawable/ic_launcher_foreground.xml
@ -0,0 +1,34 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="108dp"
+        android:height="108dp"
+        android:viewportWidth="108.0"
+        android:viewportHeight="108.0">
+    <path
+        android:pathData="M14.5,7L86.5,7A7,7 0,0 1,93.5 14L93.5,95A7,7 0,0 1,86.5 102L14.5,102A7,7 0,0 1,7.5 95L7.5,14A7,7 0,0 1,14.5 7z"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+    <path
+        android:pathData="M14.5,7L86.5,7A7,7 0,0 1,93.5 14L93.5,95A7,7 0,0 1,86.5 102L14.5,102A7,7 0,0 1,7.5 95L7.5,14A7,7 0,0 1,14.5 7z"
+        android:fillType="evenOdd"
+        android:fillColor="#455A64"/>
+    <path
+        android:pathData="M7.5,12.01C7.5,9.24 9.74,7 12.5,7L17.5,7L17.5,102L12.5,102C9.74,102 7.5,99.77 7.5,96.99L7.5,12.01Z"
+        android:fillType="evenOdd"
+        android:fillColor="#607D8B"/>
+    <path
+        android:pathData="M54,54.5m-25.5,0a25.5,25.5 0,1 1,51 0a25.5,25.5 0,1 1,-51 0"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+    <path
+        android:pathData="M54,54.5m-25.5,0a25.5,25.5 0,1 1,51 0a25.5,25.5 0,1 1,-51 0"
+        android:fillType="evenOdd"
+        android:fillColor="#CE2828"/>
+    <path
+        android:pathData="M54,54.5m-19.94,0a19.94,19.94 0,1 1,39.87 0a19.94,19.94 0,1 1,-39.87 0"
+        android:fillType="evenOdd"
+        android:fillColor="#FFF"/>
+    <path
+        android:pathData="M52.04,46.3L47.42,46.3C46.14,46.3 44.93,46.23 44.2,46.14L44.2,49.76C45,49.65 46.16,49.6 47.42,49.6L60.58,49.6C61.86,49.6 63.02,49.65 63.82,49.76L63.82,46.14C63.09,46.23 61.86,46.3 60.58,46.3L55.69,46.3L55.69,45.07C55.69,44.43 55.73,43.95 55.82,43.45L51.9,43.45C51.99,44 52.04,44.43 52.04,45.07L52.04,46.3ZM46.78,60.68C45.46,60.68 44.29,60.63 43.45,60.52L43.45,64.14C44.34,64.03 45.46,63.98 46.78,63.98L61.29,63.98C62.57,63.98 63.71,64.03 64.57,64.14L64.57,60.52C63.73,60.63 62.57,60.68 61.29,60.68L58.24,60.68C59.33,58.06 59.99,56.23 60.7,53.91C61.34,51.81 61.34,51.81 61.56,51.13L57.58,50.06C57.51,50.93 57.37,51.52 56.89,53.41C56.19,56.14 55.32,58.74 54.5,60.68L46.78,60.68ZM46.48,51.36C47.55,54.02 48.28,56.53 49.03,60.15L52.66,58.9C51.65,54.98 50.92,52.66 49.94,50.11L46.48,51.36Z"
+        android:fillType="evenOdd"
+        android:fillColor="#000"/>
+</vector>
--- a/app/src/debug/res/mipmap-anydpi-v26/ic_launcher.xml
+++ b/app/src/debug/res/mipmap-anydpi-v26/ic_launcher.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/debug/res/mipmap-anydpi-v26/ic_launcher_round.xml
+++ b/app/src/debug/res/mipmap-anydpi-v26/ic_launcher_round.xml
@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/transparent"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+</adaptive-icon>
--- a/app/src/debug/res/mipmap-hdpi/ic_launcher.png
+++ b/app/src/debug/res/mipmap-hdpi/ic_launcher.png
--- a/app/src/debug/res/mipmap-hdpi/ic_launcher_round.png
+++ b/app/src/debug/res/mipmap-hdpi/ic_launcher_round.png
--- a/app/src/debug/res/mipmap-mdpi/ic_launcher.png
+++ b/app/src/debug/res/mipmap-mdpi/ic_launcher.png
--- a/app/src/debug/res/mipmap-mdpi/ic_launcher_round.png
+++ b/app/src/debug/res/mipmap-mdpi/ic_launcher_round.png
--- a/app/src/debug/res/mipmap-xhdpi/ic_launcher.png
+++ b/app/src/debug/res/mipmap-xhdpi/ic_launcher.png
--- a/app/src/debug/res/mipmap-xhdpi/ic_launcher_round.png
+++ b/app/src/debug/res/mipmap-xhdpi/ic_launcher_round.png
--- a/app/src/debug/res/mipmap-xxhdpi/ic_launcher.png
+++ b/app/src/debug/res/mipmap-xxhdpi/ic_launcher.png
--- a/app/src/debug/res/mipmap-xxhdpi/ic_launcher_round.png
+++ b/app/src/debug/res/mipmap-xxhdpi/ic_launcher_round.png
--- a/app/src/debug/res/mipmap-xxxhdpi/ic_launcher.png
+++ b/app/src/debug/res/mipmap-xxxhdpi/ic_launcher.png
--- a/app/src/debug/res/mipmap-xxxhdpi/ic_launcher_round.png
+++ b/app/src/debug/res/mipmap-xxxhdpi/ic_launcher_round.png
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@ -1,84 +1,93 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-    package="eu.kanade.tachiyomi" >
+    package="eu.kanade.tachiyomi">

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WAKE_LOCK" />
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>
+    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
+    <uses-permission android:name="com.android.launcher.permission.INSTALL_SHORTCUT" />

    <application
        android:name=".App"
        android:allowBackup="true"
-        android:icon="@mipmap/ic_launcher"
-        android:label="@string/app_name"
        android:hardwareAccelerated="true"
-        android:theme="@style/AppTheme" >
+        android:icon="@mipmap/ic_launcher"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:label="@string/app_name"
+        android:largeHeap="true"
+        android:theme="@style/Theme.Tachiyomi">
        <activity
-            android:name=".ui.main.MainActivity">
+            android:name=".ui.main.MainActivity"
+            android:launchMode="singleTop">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />
-
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
-        </activity>
-        <activity
-            android:name=".ui.manga.MangaActivity"
-            android:parentActivityName=".ui.main.MainActivity" >
-        </activity>
-        <activity
-            android:name=".ui.reader.ReaderActivity"
-            android:parentActivityName=".ui.manga.MangaActivity">
-            <meta-data
-                android:name="android.support.PARENT_ACTIVITY"
-                android:value=".ui.manga.MangaActivity" />
-        </activity>
-        <activity
-            android:name=".ui.setting.SettingsActivity"
-            android:label="@string/label_settings"
-            android:parentActivityName=".ui.main.MainActivity" >
-        </activity>
-        <activity
-            android:name=".ui.library.category.CategoryActivity"
-            android:label="@string/label_categories"
-            android:parentActivityName=".ui.main.MainActivity">
-        </activity>

+            <!--suppress AndroidDomInspection -->
+            <meta-data android:name="android.app.shortcuts" android:resource="@xml/shortcuts"/>
+        </activity>
        <activity
-            android:name=".ui.setting.SettingsDownloadsFragment$CustomLayoutPickerActivity"
+            android:name=".ui.reader.ReaderActivity" />
+        <activity
+            android:name=".widget.CustomLayoutPickerActivity"
            android:label="@string/app_name"
-            android:theme="@style/FilePickerTheme">
+            android:theme="@style/FilePickerTheme" />
+        <activity
+            android:name=".ui.setting.AnilistLoginActivity"
+            android:label="Anilist">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data
+                    android:host="anilist-auth"
+                    android:scheme="tachiyomi" />
+            </intent-filter>
        </activity>
+        <activity
+            android:name=".extension.util.ExtensionInstallActivity"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar"/>

-        <service android:name=".data.sync.LibraryUpdateService"
-            android:exported="false"/>
-
-        <service android:name=".data.download.DownloadService"
-            android:exported="false"/>
-
-        <service android:name=".data.sync.UpdateMangaSyncService"
-            android:exported="false"/>
+        <provider
+            android:name="android.support.v4.content.FileProvider"
+            android:authorities="${applicationId}.provider"
+            android:exported="false"
+            android:grantUriPermissions="true">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/provider_paths" />
+        </provider>

        <receiver
-            android:name=".data.sync.LibraryUpdateService$SyncOnConnectionAvailable"
-            android:enabled="false">
-            <intent-filter>
-                <action android:name="android.net.conn.CONNECTIVITY_CHANGE" />
-            </intent-filter>
-        </receiver>
+            android:name=".data.notification.NotificationReceiver"
+            android:exported="false" />

-        <receiver
-            android:name=".data.sync.LibraryUpdateAlarm">
-            <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED"/>
-                <action android:name="eu.kanade.UPDATE_LIBRARY" />
-            </intent-filter>
-        </receiver>
+        <service
+            android:name=".data.library.LibraryUpdateService"
+            android:exported="false" />

-        <meta-data
-            android:name="eu.kanade.tachiyomi.data.cache.CoverGlideModule"
-            android:value="GlideModule" />
+        <service
+            android:name=".data.download.DownloadService"
+            android:exported="false" />
+
+        <service
+            android:name=".data.updater.UpdaterService"
+            android:exported="false" />
+
+        <service
+            android:name=".data.backup.BackupCreateService"
+            android:exported="false"/>
+
+        <service
+            android:name=".data.backup.BackupRestoreService"
+            android:exported="false"/>

    </application>

--- a/app/src/main/ic_launcher-web.png
+++ b/app/src/main/ic_launcher-web.png
--- a/app/src/main/java/eu/kanade/tachiyomi/App.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/App.java
@ -1,57 +0,0 @@
-package eu.kanade.tachiyomi;
-
-import android.app.Application;
-import android.content.Context;
-
-import org.acra.ACRA;
-import org.acra.annotation.ReportsCrashes;
-
-import eu.kanade.tachiyomi.injection.ComponentReflectionInjector;
-import eu.kanade.tachiyomi.injection.component.AppComponent;
-import eu.kanade.tachiyomi.injection.component.DaggerAppComponent;
-import eu.kanade.tachiyomi.injection.module.AppModule;
-import timber.log.Timber;
-
-@ReportsCrashes(
-        formUri = "http://tachiyomi.kanade.eu/crash_report",
-        reportType = org.acra.sender.HttpSender.Type.JSON,
-        httpMethod = org.acra.sender.HttpSender.Method.PUT,
-        excludeMatchingSharedPreferencesKeys={".*username.*",".*password.*"}
-)
-public class App extends Application {
-
-    AppComponent applicationComponent;
-    ComponentReflectionInjector<AppComponent> componentInjector;
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        if (BuildConfig.DEBUG) Timber.plant(new Timber.DebugTree());
-
-        applicationComponent = DaggerAppComponent.builder()
-                .appModule(new AppModule(this))
-                .build();
-
-        componentInjector =
-                new ComponentReflectionInjector<>(AppComponent.class, applicationComponent);
-
-        ACRA.init(this);
-    }
-
-    public static App get(Context context) {
-        return (App) context.getApplicationContext();
-    }
-
-    public AppComponent getComponent() {
-        return applicationComponent;
-    }
-
-    public ComponentReflectionInjector<AppComponent> getComponentReflection() {
-        return componentInjector;
-    }
-
-    // Needed to replace the component with a test specific one
-    public void setComponent(AppComponent applicationComponent) {
-        this.applicationComponent = applicationComponent;
-    }
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/App.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/App.kt
@ -0,0 +1,78 @@
+package eu.kanade.tachiyomi
+
+import android.app.Application
+import android.content.Context
+import android.content.res.Configuration
+import android.support.multidex.MultiDex
+import com.evernote.android.job.JobManager
+import eu.kanade.tachiyomi.data.backup.BackupCreatorJob
+import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
+import eu.kanade.tachiyomi.data.notification.Notifications
+import eu.kanade.tachiyomi.data.updater.UpdaterJob
+import eu.kanade.tachiyomi.util.LocaleHelper
+import org.acra.ACRA
+import org.acra.annotation.ReportsCrashes
+import timber.log.Timber
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.InjektScope
+import uy.kohesive.injekt.registry.default.DefaultRegistrar
+
+@ReportsCrashes(
+        formUri = "http://tachiyomi.kanade.eu/crash_report",
+        reportType = org.acra.sender.HttpSender.Type.JSON,
+        httpMethod = org.acra.sender.HttpSender.Method.PUT,
+        buildConfigClass = BuildConfig::class,
+        excludeMatchingSharedPreferencesKeys = arrayOf(".*username.*", ".*password.*", ".*token.*")
+)
+open class App : Application() {
+
+    override fun onCreate() {
+        super.onCreate()
+        if (BuildConfig.DEBUG) Timber.plant(Timber.DebugTree())
+
+        Injekt = InjektScope(DefaultRegistrar())
+        Injekt.importModule(AppModule(this))
+
+        setupAcra()
+        setupJobManager()
+        setupNotificationChannels()
+
+        LocaleHelper.updateConfiguration(this, resources.configuration)
+    }
+
+    override fun attachBaseContext(base: Context) {
+        super.attachBaseContext(base)
+        if (BuildConfig.DEBUG) {
+            MultiDex.install(this)
+        }
+    }
+
+    override fun onConfigurationChanged(newConfig: Configuration) {
+        super.onConfigurationChanged(newConfig)
+        LocaleHelper.updateConfiguration(this, newConfig, true)
+    }
+
+    protected open fun setupAcra() {
+        ACRA.init(this)
+    }
+
+    protected open fun setupJobManager() {
+        try {
+            JobManager.create(this).addJobCreator { tag ->
+                when (tag) {
+                    LibraryUpdateJob.TAG -> LibraryUpdateJob()
+                    UpdaterJob.TAG -> UpdaterJob()
+                    BackupCreatorJob.TAG -> BackupCreatorJob()
+                    else -> null
+                }
+            }
+        } catch (e: Exception) {
+            Timber.w("Can't initialize job manager")
+        }
+    }
+
+    protected open fun setupNotificationChannels() {
+        Notifications.createChannels(this)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/AppModule.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/AppModule.kt
@ -0,0 +1,62 @@
+package eu.kanade.tachiyomi
+
+import android.app.Application
+import com.google.gson.Gson
+import eu.kanade.tachiyomi.data.cache.ChapterCache
+import eu.kanade.tachiyomi.data.cache.CoverCache
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.download.DownloadManager
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.extension.ExtensionManager
+import eu.kanade.tachiyomi.network.NetworkHelper
+import eu.kanade.tachiyomi.source.SourceManager
+import rx.Observable
+import rx.schedulers.Schedulers
+import uy.kohesive.injekt.api.*
+
+class AppModule(val app: Application) : InjektModule {
+
+    override fun InjektRegistrar.registerInjectables() {
+
+        addSingleton(app)
+
+        addSingletonFactory { PreferencesHelper(app) }
+
+        addSingletonFactory { DatabaseHelper(app) }
+
+        addSingletonFactory { ChapterCache(app) }
+
+        addSingletonFactory { CoverCache(app) }
+
+        addSingletonFactory { NetworkHelper(app) }
+
+        addSingletonFactory { SourceManager(app).also { get<ExtensionManager>().init(it) } }
+
+        addSingletonFactory { ExtensionManager(app) }
+
+        addSingletonFactory { DownloadManager(app) }
+
+        addSingletonFactory { TrackManager(app) }
+
+        addSingletonFactory { Gson() }
+
+        // Asynchronously init expensive components for a faster cold start
+
+        rxAsync { get<PreferencesHelper>() }
+
+        rxAsync { get<NetworkHelper>() }
+
+        rxAsync { get<SourceManager>() }
+
+        rxAsync { get<DatabaseHelper>() }
+
+        rxAsync { get<DownloadManager>() }
+
+    }
+
+    private fun rxAsync(block: () -> Unit) {
+        Observable.fromCallable { block() }.subscribeOn(Schedulers.computation()).subscribe()
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/Migrations.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/Migrations.kt
@ -0,0 +1,63 @@
+package eu.kanade.tachiyomi
+
+import eu.kanade.tachiyomi.data.library.LibraryUpdateJob
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.data.updater.UpdaterJob
+import java.io.File
+
+object Migrations {
+
+    /**
+     * Performs a migration when the application is updated.
+     *
+     * @param preferences Preferences of the application.
+     * @return true if a migration is performed, false otherwise.
+     */
+    fun upgrade(preferences: PreferencesHelper): Boolean {
+        val context = preferences.context
+        val oldVersion = preferences.lastVersionCode().getOrDefault()
+        if (oldVersion < BuildConfig.VERSION_CODE) {
+            preferences.lastVersionCode().set(BuildConfig.VERSION_CODE)
+
+            if (oldVersion == 0) return false
+
+            if (oldVersion < 14) {
+                // Restore jobs after upgrading to evernote's job scheduler.
+                if (BuildConfig.INCLUDE_UPDATER && preferences.automaticUpdates()) {
+                    UpdaterJob.setupTask()
+                }
+                LibraryUpdateJob.setupTask()
+            }
+            if (oldVersion < 15) {
+                // Delete internal chapter cache dir.
+                File(context.cacheDir, "chapter_disk_cache").deleteRecursively()
+            }
+            if (oldVersion < 19) {
+                // Move covers to external files dir.
+                val oldDir = File(context.externalCacheDir, "cover_disk_cache")
+                if (oldDir.exists()) {
+                    val destDir = context.getExternalFilesDir("covers")
+                    if (destDir != null) {
+                        oldDir.listFiles().forEach {
+                            it.renameTo(File(destDir, it.name))
+                        }
+                    }
+                }
+            }
+            if (oldVersion < 26) {
+                // Delete external chapter cache dir.
+                val extCache = context.externalCacheDir
+                if (extCache != null) {
+                    val chapterCache = File(extCache, "chapter_disk_cache")
+                    if (chapterCache.exists()) {
+                        chapterCache.deleteRecursively()
+                    }
+                }
+            }
+            return true
+        }
+        return false
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupConst.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupConst.kt
@ -0,0 +1,23 @@
+package eu.kanade.tachiyomi.data.backup
+import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
+
+
+object BackupConst {
+
+    const val INTENT_FILTER = "SettingsBackupFragment"
+    const val ACTION_BACKUP_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_BACKUP_COMPLETED_DIALOG"
+    const val ACTION_SET_PROGRESS_DIALOG = "$ID.$INTENT_FILTER.ACTION_SET_PROGRESS_DIALOG"
+    const val ACTION_ERROR_BACKUP_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_BACKUP_DIALOG"
+    const val ACTION_ERROR_RESTORE_DIALOG = "$ID.$INTENT_FILTER.ACTION_ERROR_RESTORE_DIALOG"
+    const val ACTION_RESTORE_COMPLETED_DIALOG = "$ID.$INTENT_FILTER.ACTION_RESTORE_COMPLETED_DIALOG"
+    const val ACTION = "$ID.$INTENT_FILTER.ACTION"
+    const val EXTRA_PROGRESS = "$ID.$INTENT_FILTER.EXTRA_PROGRESS"
+    const val EXTRA_AMOUNT = "$ID.$INTENT_FILTER.EXTRA_AMOUNT"
+    const val EXTRA_ERRORS = "$ID.$INTENT_FILTER.EXTRA_ERRORS"
+    const val EXTRA_CONTENT = "$ID.$INTENT_FILTER.EXTRA_CONTENT"
+    const val EXTRA_ERROR_MESSAGE = "$ID.$INTENT_FILTER.EXTRA_ERROR_MESSAGE"
+    const val EXTRA_URI = "$ID.$INTENT_FILTER.EXTRA_URI"
+    const val EXTRA_TIME = "$ID.$INTENT_FILTER.EXTRA_TIME"
+    const val EXTRA_ERROR_FILE_PATH = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE_PATH"
+    const val EXTRA_ERROR_FILE = "$ID.$INTENT_FILTER.EXTRA_ERROR_FILE"
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreateService.kt
@ -0,0 +1,63 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.app.IntentService
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import com.google.gson.JsonArray
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.BuildConfig.APPLICATION_ID as ID
+
+/**
+ * [IntentService] used to backup [Manga] information to [JsonArray]
+ */
+class BackupCreateService : IntentService(NAME) {
+
+    companion object {
+        // Name of class
+        private const val NAME = "BackupCreateService"
+
+        // Options for backup
+        private const val EXTRA_FLAGS = "$ID.$NAME.EXTRA_FLAGS"
+
+        // Filter options
+        internal const val BACKUP_CATEGORY = 0x1
+        internal const val BACKUP_CATEGORY_MASK = 0x1
+        internal const val BACKUP_CHAPTER = 0x2
+        internal const val BACKUP_CHAPTER_MASK = 0x2
+        internal const val BACKUP_HISTORY = 0x4
+        internal const val BACKUP_HISTORY_MASK = 0x4
+        internal const val BACKUP_TRACK = 0x8
+        internal const val BACKUP_TRACK_MASK = 0x8
+        internal const val BACKUP_ALL = 0xF
+
+        /**
+         * Make a backup from library
+         *
+         * @param context context of application
+         * @param uri path of Uri
+         * @param flags determines what to backup
+         */
+        fun makeBackup(context: Context, uri: Uri, flags: Int) {
+            val intent = Intent(context, BackupCreateService::class.java).apply {
+                putExtra(BackupConst.EXTRA_URI, uri)
+                putExtra(EXTRA_FLAGS, flags)
+            }
+            context.startService(intent)
+        }
+
+    }
+
+    private val backupManager by lazy { BackupManager(this) }
+
+    override fun onHandleIntent(intent: Intent?) {
+        if (intent == null) return
+
+        // Get values
+        val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
+        val flags = intent.getIntExtra(EXTRA_FLAGS, 0)
+        // Create backup
+        backupManager.createBackup(uri, flags, false)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreatorJob.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupCreatorJob.kt
@ -0,0 +1,42 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.net.Uri
+import com.evernote.android.job.Job
+import com.evernote.android.job.JobManager
+import com.evernote.android.job.JobRequest
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+
+class BackupCreatorJob : Job() {
+
+    override fun onRunJob(params: Params): Result {
+        val preferences = Injekt.get<PreferencesHelper>()
+        val backupManager = BackupManager(context)
+        val uri = Uri.parse(preferences.backupsDirectory().getOrDefault())
+        val flags = BackupCreateService.BACKUP_ALL
+        backupManager.createBackup(uri, flags, true)
+        return Result.SUCCESS
+    }
+
+    companion object {
+        const val TAG = "BackupCreator"
+
+        fun setupTask(prefInterval: Int? = null) {
+            val preferences = Injekt.get<PreferencesHelper>()
+            val interval = prefInterval ?: preferences.backupInterval().getOrDefault()
+            if (interval > 0) {
+                JobRequest.Builder(TAG)
+                        .setPeriodic(interval * 60 * 60 * 1000L, 10 * 60 * 1000)
+                        .setUpdateCurrent(true)
+                        .build()
+                        .schedule()
+            }
+        }
+
+        fun cancelTask() {
+            JobManager.instance().cancelAllForTag(TAG)
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupManager.kt
@ -0,0 +1,498 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import com.github.salomonbrys.kotson.*
+import com.google.gson.*
+import com.hippo.unifile.UniFile
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CATEGORY_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CHAPTER
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_CHAPTER_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_HISTORY_MASK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK
+import eu.kanade.tachiyomi.data.backup.BackupCreateService.Companion.BACKUP_TRACK_MASK
+import eu.kanade.tachiyomi.data.backup.models.Backup
+import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
+import eu.kanade.tachiyomi.data.backup.models.Backup.CHAPTERS
+import eu.kanade.tachiyomi.data.backup.models.Backup.CURRENT_VERSION
+import eu.kanade.tachiyomi.data.backup.models.Backup.HISTORY
+import eu.kanade.tachiyomi.data.backup.models.Backup.MANGA
+import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
+import eu.kanade.tachiyomi.data.backup.models.DHistory
+import eu.kanade.tachiyomi.data.backup.serializer.*
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.*
+import eu.kanade.tachiyomi.data.preference.PreferencesHelper
+import eu.kanade.tachiyomi.data.preference.getOrDefault
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.source.SourceManager
+import eu.kanade.tachiyomi.util.sendLocalBroadcast
+import eu.kanade.tachiyomi.util.syncChaptersWithSource
+import rx.Observable
+import timber.log.Timber
+import uy.kohesive.injekt.injectLazy
+
+class BackupManager(val context: Context, version: Int = CURRENT_VERSION) {
+
+    /**
+     * Database.
+     */
+    internal val databaseHelper: DatabaseHelper by injectLazy()
+
+    /**
+     * Source manager.
+     */
+    internal val sourceManager: SourceManager by injectLazy()
+
+    /**
+     * Tracking manager
+     */
+    internal val trackManager: TrackManager by injectLazy()
+
+    /**
+     * Version of parser
+     */
+    var version: Int = version
+        private set
+
+    /**
+     * Json Parser
+     */
+    var parser: Gson = initParser()
+
+    /**
+     * Preferences
+     */
+    private val preferences: PreferencesHelper by injectLazy()
+
+    /**
+     * Set version of parser
+     *
+     * @param version version of parser
+     */
+    internal fun setVersion(version: Int) {
+        this.version = version
+        parser = initParser()
+    }
+
+    private fun initParser(): Gson = when (version) {
+        1 -> GsonBuilder().create()
+        2 -> GsonBuilder()
+                .registerTypeAdapter<MangaImpl>(MangaTypeAdapter.build())
+                .registerTypeHierarchyAdapter<ChapterImpl>(ChapterTypeAdapter.build())
+                .registerTypeAdapter<CategoryImpl>(CategoryTypeAdapter.build())
+                .registerTypeAdapter<DHistory>(HistoryTypeAdapter.build())
+                .registerTypeHierarchyAdapter<TrackImpl>(TrackTypeAdapter.build())
+                .create()
+        else -> throw Exception("Json version unknown")
+    }
+
+    /**
+     * Create backup Json file from database
+     *
+     * @param uri path of Uri
+     * @param isJob backup called from job
+     */
+    fun createBackup(uri: Uri, flags: Int, isJob: Boolean) {
+        // Create root object
+        val root = JsonObject()
+
+        // Create manga array
+        val mangaEntries = JsonArray()
+
+        // Create category array
+        val categoryEntries = JsonArray()
+
+        // Add value's to root
+        root[Backup.VERSION] = Backup.CURRENT_VERSION
+        root[Backup.MANGAS] = mangaEntries
+        root[CATEGORIES] = categoryEntries
+
+        databaseHelper.inTransaction {
+            // Get manga from database
+            val mangas = getFavoriteManga()
+
+            // Backup library manga and its dependencies
+            mangas.forEach { manga ->
+                mangaEntries.add(backupMangaObject(manga, flags))
+            }
+
+            // Backup categories
+            if ((flags and BACKUP_CATEGORY_MASK) == BACKUP_CATEGORY) {
+                backupCategories(categoryEntries)
+            }
+        }
+
+        try {
+            // When BackupCreatorJob
+            if (isJob) {
+                // Get dir of file and create
+                var dir = UniFile.fromUri(context, uri)
+                dir = dir.createDirectory("automatic")
+
+                // Delete older backups
+                val numberOfBackups = numberOfBackups()
+                val backupRegex = Regex("""tachiyomi_\d+-\d+-\d+_\d+-\d+.json""")
+                dir.listFiles { _, filename -> backupRegex.matches(filename) }
+                        .orEmpty()
+                        .sortedByDescending { it.name }
+                        .drop(numberOfBackups - 1)
+                        .forEach { it.delete() }
+
+                // Create new file to place backup
+                val newFile = dir.createFile(Backup.getDefaultFilename())
+                        ?: throw Exception("Couldn't create backup file")
+
+                newFile.openOutputStream().bufferedWriter().use {
+                    parser.toJson(root, it)
+                }
+            } else {
+                val file = UniFile.fromUri(context, uri)
+                        ?: throw Exception("Couldn't create backup file")
+                file.openOutputStream().bufferedWriter().use {
+                    parser.toJson(root, it)
+                }
+
+                // Show completed dialog
+                val intent = Intent(BackupConst.INTENT_FILTER).apply {
+                    putExtra(BackupConst.ACTION, BackupConst.ACTION_BACKUP_COMPLETED_DIALOG)
+                    putExtra(BackupConst.EXTRA_URI, file.uri.toString())
+                }
+                context.sendLocalBroadcast(intent)
+            }
+        } catch (e: Exception) {
+            Timber.e(e)
+            if (!isJob) {
+                // Show error dialog
+                val intent = Intent(BackupConst.INTENT_FILTER).apply {
+                    putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_BACKUP_DIALOG)
+                    putExtra(BackupConst.EXTRA_ERROR_MESSAGE, e.message)
+                }
+                context.sendLocalBroadcast(intent)
+            }
+        }
+    }
+
+    /**
+     * Backup the categories of library
+     *
+     * @param root root of categories json
+     */
+    internal fun backupCategories(root: JsonArray) {
+        val categories = databaseHelper.getCategories().executeAsBlocking()
+        categories.forEach { root.add(parser.toJsonTree(it)) }
+    }
+
+    /**
+     * Convert a manga to Json
+     *
+     * @param manga manga that gets converted
+     * @return [JsonElement] containing manga information
+     */
+    internal fun backupMangaObject(manga: Manga, options: Int): JsonElement {
+        // Entry for this manga
+        val entry = JsonObject()
+
+        // Backup manga fields
+        entry[MANGA] = parser.toJsonTree(manga)
+
+        // Check if user wants chapter information in backup
+        if (options and BACKUP_CHAPTER_MASK == BACKUP_CHAPTER) {
+            // Backup all the chapters
+            val chapters = databaseHelper.getChapters(manga).executeAsBlocking()
+            if (!chapters.isEmpty()) {
+                val chaptersJson = parser.toJsonTree(chapters)
+                if (chaptersJson.asJsonArray.size() > 0) {
+                    entry[CHAPTERS] = chaptersJson
+                }
+            }
+        }
+
+        // Check if user wants category information in backup
+        if (options and BACKUP_CATEGORY_MASK == BACKUP_CATEGORY) {
+            // Backup categories for this manga
+            val categoriesForManga = databaseHelper.getCategoriesForManga(manga).executeAsBlocking()
+            if (!categoriesForManga.isEmpty()) {
+                val categoriesNames = categoriesForManga.map { it.name }
+                entry[CATEGORIES] = parser.toJsonTree(categoriesNames)
+            }
+        }
+
+        // Check if user wants track information in backup
+        if (options and BACKUP_TRACK_MASK == BACKUP_TRACK) {
+            val tracks = databaseHelper.getTracks(manga).executeAsBlocking()
+            if (!tracks.isEmpty()) {
+                entry[TRACK] = parser.toJsonTree(tracks)
+            }
+        }
+
+        // Check if user wants history information in backup
+        if (options and BACKUP_HISTORY_MASK == BACKUP_HISTORY) {
+            val historyForManga = databaseHelper.getHistoryByMangaId(manga.id!!).executeAsBlocking()
+            if (!historyForManga.isEmpty()) {
+                val historyData = historyForManga.mapNotNull { history ->
+                    val url = databaseHelper.getChapter(history.chapter_id).executeAsBlocking()?.url
+                    url?.let { DHistory(url, history.last_read) }
+                }
+                val historyJson = parser.toJsonTree(historyData)
+                if (historyJson.asJsonArray.size() > 0) {
+                    entry[HISTORY] = historyJson
+                }
+            }
+        }
+
+        return entry
+    }
+
+    fun restoreMangaNoFetch(manga: Manga, dbManga: Manga) {
+        manga.id = dbManga.id
+        manga.copyFrom(dbManga)
+        manga.favorite = true
+        insertManga(manga)
+    }
+
+    /**
+     * [Observable] that fetches manga information
+     *
+     * @param source source of manga
+     * @param manga manga that needs updating
+     * @return [Observable] that contains manga
+     */
+    fun restoreMangaFetchObservable(source: Source, manga: Manga): Observable<Manga> {
+        return source.fetchMangaDetails(manga)
+                .map { networkManga ->
+                    manga.copyFrom(networkManga)
+                    manga.favorite = true
+                    manga.initialized = true
+                    manga.id = insertManga(manga)
+                    manga
+                }
+    }
+
+    /**
+     * [Observable] that fetches chapter information
+     *
+     * @param source source of manga
+     * @param manga manga that needs updating
+     * @return [Observable] that contains manga
+     */
+    fun restoreChapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>): Observable<Pair<List<Chapter>, List<Chapter>>> {
+        return source.fetchChapterList(manga)
+                .map { syncChaptersWithSource(databaseHelper, it, manga, source) }
+                .doOnNext {
+                    if (it.first.isNotEmpty()) {
+                        chapters.forEach { it.manga_id = manga.id }
+                        insertChapters(chapters)
+                    }
+                }
+    }
+
+    /**
+     * Restore the categories from Json
+     *
+     * @param jsonCategories array containing categories
+     */
+    internal fun restoreCategories(jsonCategories: JsonArray) {
+        // Get categories from file and from db
+        val dbCategories = databaseHelper.getCategories().executeAsBlocking()
+        val backupCategories = parser.fromJson<List<CategoryImpl>>(jsonCategories)
+
+        // Iterate over them
+        backupCategories.forEach { category ->
+            // Used to know if the category is already in the db
+            var found = false
+            for (dbCategory in dbCategories) {
+                // If the category is already in the db, assign the id to the file's category
+                // and do nothing
+                if (category.nameLower == dbCategory.nameLower) {
+                    category.id = dbCategory.id
+                    found = true
+                    break
+                }
+            }
+            // If the category isn't in the db, remove the id and insert a new category
+            // Store the inserted id in the category
+            if (!found) {
+                // Let the db assign the id
+                category.id = null
+                val result = databaseHelper.insertCategory(category).executeAsBlocking()
+                category.id = result.insertedId()?.toInt()
+            }
+        }
+    }
+
+    /**
+     * Restores the categories a manga is in.
+     *
+     * @param manga the manga whose categories have to be restored.
+     * @param categories the categories to restore.
+     */
+    internal fun restoreCategoriesForManga(manga: Manga, categories: List<String>) {
+        val dbCategories = databaseHelper.getCategories().executeAsBlocking()
+        val mangaCategoriesToUpdate = ArrayList<MangaCategory>()
+        for (backupCategoryStr in categories) {
+            for (dbCategory in dbCategories) {
+                if (backupCategoryStr.toLowerCase() == dbCategory.nameLower) {
+                    mangaCategoriesToUpdate.add(MangaCategory.create(manga, dbCategory))
+                    break
+                }
+            }
+        }
+
+        // Update database
+        if (!mangaCategoriesToUpdate.isEmpty()) {
+            val mangaAsList = ArrayList<Manga>()
+            mangaAsList.add(manga)
+            databaseHelper.deleteOldMangasCategories(mangaAsList).executeAsBlocking()
+            databaseHelper.insertMangasCategories(mangaCategoriesToUpdate).executeAsBlocking()
+        }
+    }
+
+    /**
+     * Restore history from Json
+     *
+     * @param history list containing history to be restored
+     */
+    internal fun restoreHistoryForManga(history: List<DHistory>) {
+        // List containing history to be updated
+        val historyToBeUpdated = ArrayList<History>()
+        for ((url, lastRead) in history) {
+            val dbHistory = databaseHelper.getHistoryByChapterUrl(url).executeAsBlocking()
+            // Check if history already in database and update
+            if (dbHistory != null) {
+                dbHistory.apply {
+                    last_read = Math.max(lastRead, dbHistory.last_read)
+                }
+                historyToBeUpdated.add(dbHistory)
+            } else {
+                // If not in database create
+                databaseHelper.getChapter(url).executeAsBlocking()?.let {
+                    val historyToAdd = History.create(it).apply {
+                        last_read = lastRead
+                    }
+                    historyToBeUpdated.add(historyToAdd)
+                }
+            }
+        }
+        databaseHelper.updateHistoryLastRead(historyToBeUpdated).executeAsBlocking()
+    }
+
+    /**
+     * Restores the sync of a manga.
+     *
+     * @param manga the manga whose sync have to be restored.
+     * @param tracks the track list to restore.
+     */
+    internal fun restoreTrackForManga(manga: Manga, tracks: List<Track>) {
+        // Fix foreign keys with the current manga id
+        tracks.map { it.manga_id = manga.id!! }
+
+        // Get tracks from database
+        val dbTracks = databaseHelper.getTracks(manga).executeAsBlocking()
+        val trackToUpdate = ArrayList<Track>()
+
+        for (track in tracks) {
+            val service = trackManager.getService(track.sync_id)
+            if (service != null && service.isLogged) {
+                var isInDatabase = false
+                for (dbTrack in dbTracks) {
+                    if (track.sync_id == dbTrack.sync_id) {
+                        // The sync is already in the db, only update its fields
+                        if (track.media_id != dbTrack.media_id) {
+                            dbTrack.media_id = track.media_id
+                        }
+                        if (track.library_id != dbTrack.library_id) {
+                            dbTrack.library_id = track.library_id
+                        }
+                        dbTrack.last_chapter_read = Math.max(dbTrack.last_chapter_read, track.last_chapter_read)
+                        isInDatabase = true
+                        trackToUpdate.add(dbTrack)
+                        break
+                    }
+                }
+                if (!isInDatabase) {
+                    // Insert new sync. Let the db assign the id
+                    track.id = null
+                    trackToUpdate.add(track)
+                }
+            }
+        }
+        // Update database
+        if (!trackToUpdate.isEmpty()) {
+            databaseHelper.insertTracks(trackToUpdate).executeAsBlocking()
+        }
+    }
+
+    /**
+     * Restore the chapters for manga if chapters already in database
+     *
+     * @param manga manga of chapters
+     * @param chapters list containing chapters that get restored
+     * @return boolean answering if chapter fetch is not needed
+     */
+    internal fun restoreChaptersForManga(manga: Manga, chapters: List<Chapter>): Boolean {
+        val dbChapters = databaseHelper.getChapters(manga).executeAsBlocking()
+
+        // Return if fetch is needed
+        if (dbChapters.isEmpty() || dbChapters.size < chapters.size)
+            return false
+
+        for (chapter in chapters) {
+            val pos = dbChapters.indexOf(chapter)
+            if (pos != -1) {
+                val dbChapter = dbChapters[pos]
+                chapter.id = dbChapter.id
+                chapter.copyFrom(dbChapter)
+                break
+            }
+        }
+        // Filter the chapters that couldn't be found.
+        chapters.filter { it.id != null }
+        chapters.map { it.manga_id = manga.id }
+
+        insertChapters(chapters)
+        return true
+    }
+
+    /**
+     * Returns manga
+     *
+     * @return [Manga], null if not found
+     */
+    internal fun getMangaFromDatabase(manga: Manga): Manga? =
+            databaseHelper.getManga(manga.url, manga.source).executeAsBlocking()
+
+    /**
+     * Returns list containing manga from library
+     *
+     * @return [Manga] from library
+     */
+    internal fun getFavoriteManga(): List<Manga> =
+            databaseHelper.getFavoriteMangas().executeAsBlocking()
+
+    /**
+     * Inserts manga and returns id
+     *
+     * @return id of [Manga], null if not found
+     */
+    internal fun insertManga(manga: Manga): Long? =
+            databaseHelper.insertManga(manga).executeAsBlocking().insertedId()
+
+    /**
+     * Inserts list of chapters
+     */
+    private fun insertChapters(chapters: List<Chapter>) {
+        databaseHelper.updateChaptersBackup(chapters).executeAsBlocking()
+    }
+
+    /**
+     * Return number of backups.
+     *
+     * @return number of backups selected by user
+     */
+    fun numberOfBackups(): Int = preferences.numberOfBackups().getOrDefault()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreService.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/BackupRestoreService.kt
@ -0,0 +1,445 @@
+package eu.kanade.tachiyomi.data.backup
+
+import android.app.Service
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.IBinder
+import android.os.PowerManager
+import com.github.salomonbrys.kotson.fromJson
+import com.google.gson.JsonArray
+import com.google.gson.JsonParser
+import com.google.gson.stream.JsonReader
+import eu.kanade.tachiyomi.R
+import eu.kanade.tachiyomi.data.backup.models.Backup.CATEGORIES
+import eu.kanade.tachiyomi.data.backup.models.Backup.CHAPTERS
+import eu.kanade.tachiyomi.data.backup.models.Backup.HISTORY
+import eu.kanade.tachiyomi.data.backup.models.Backup.MANGA
+import eu.kanade.tachiyomi.data.backup.models.Backup.MANGAS
+import eu.kanade.tachiyomi.data.backup.models.Backup.TRACK
+import eu.kanade.tachiyomi.data.backup.models.Backup.VERSION
+import eu.kanade.tachiyomi.data.backup.models.DHistory
+import eu.kanade.tachiyomi.data.database.DatabaseHelper
+import eu.kanade.tachiyomi.data.database.models.*
+import eu.kanade.tachiyomi.data.track.TrackManager
+import eu.kanade.tachiyomi.source.Source
+import eu.kanade.tachiyomi.util.chop
+import eu.kanade.tachiyomi.util.isServiceRunning
+import eu.kanade.tachiyomi.util.sendLocalBroadcast
+import rx.Observable
+import rx.Subscription
+import rx.schedulers.Schedulers
+import timber.log.Timber
+import uy.kohesive.injekt.injectLazy
+import java.io.File
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.Locale
+import java.util.concurrent.ExecutorService
+import java.util.concurrent.Executors
+
+/**
+ * Restores backup from json file
+ */
+class BackupRestoreService : Service() {
+
+    companion object {
+
+        /**
+         * Returns the status of the service.
+         *
+         * @param context the application context.
+         * @return true if the service is running, false otherwise.
+         */
+        private fun isRunning(context: Context): Boolean =
+                context.isServiceRunning(BackupRestoreService::class.java)
+
+        /**
+         * Starts a service to restore a backup from Json
+         *
+         * @param context context of application
+         * @param uri path of Uri
+         */
+        fun start(context: Context, uri: Uri) {
+            if (!isRunning(context)) {
+                val intent = Intent(context, BackupRestoreService::class.java).apply {
+                    putExtra(BackupConst.EXTRA_URI, uri)
+                }
+                context.startService(intent)
+            }
+        }
+
+        /**
+         * Stops the service.
+         *
+         * @param context the application context.
+         */
+        fun stop(context: Context) {
+            context.stopService(Intent(context, BackupRestoreService::class.java))
+        }
+    }
+
+    /**
+     * Wake lock that will be held until the service is destroyed.
+     */
+    private lateinit var wakeLock: PowerManager.WakeLock
+
+    /**
+     * Subscription where the update is done.
+     */
+    private var subscription: Subscription? = null
+
+    /**
+     * The progress of a backup restore
+     */
+    private var restoreProgress = 0
+
+    /**
+     * Amount of manga in Json file (needed for restore)
+     */
+    private var restoreAmount = 0
+
+    /**
+     * List containing errors
+     */
+    private val errors = mutableListOf<Pair<Date, String>>()
+
+    /**
+     * Backup manager
+     */
+    private lateinit var backupManager: BackupManager
+
+    /**
+     * Database
+     */
+    private val db: DatabaseHelper by injectLazy()
+
+    /**
+     * Tracking manager
+     */
+    internal val trackManager: TrackManager by injectLazy()
+
+
+    private lateinit var executor: ExecutorService
+
+    /**
+     * Method called when the service is created. It injects dependencies and acquire the wake lock.
+     */
+    override fun onCreate() {
+        super.onCreate()
+        wakeLock = (getSystemService(Context.POWER_SERVICE) as PowerManager).newWakeLock(
+                PowerManager.PARTIAL_WAKE_LOCK, "BackupRestoreService:WakeLock")
+        wakeLock.acquire()
+        executor = Executors.newSingleThreadExecutor()
+    }
+
+    /**
+     * Method called when the service is destroyed. It destroys the running subscription and
+     * releases the wake lock.
+     */
+    override fun onDestroy() {
+        subscription?.unsubscribe()
+        executor.shutdown() // must be called after unsubscribe
+        if (wakeLock.isHeld) {
+            wakeLock.release()
+        }
+        super.onDestroy()
+    }
+
+    /**
+     * This method needs to be implemented, but it's not used/needed.
+     */
+    override fun onBind(intent: Intent): IBinder? = null
+
+    /**
+     * Method called when the service receives an intent.
+     *
+     * @param intent the start intent from.
+     * @param flags the flags of the command.
+     * @param startId the start id of this command.
+     * @return the start value of the command.
+     */
+    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
+        if (intent == null) return Service.START_NOT_STICKY
+
+        val uri = intent.getParcelableExtra<Uri>(BackupConst.EXTRA_URI)
+
+        // Unsubscribe from any previous subscription if needed.
+        subscription?.unsubscribe()
+
+        subscription = Observable.using(
+                { db.lowLevel().beginTransaction() },
+                { getRestoreObservable(uri).doOnNext { db.lowLevel().setTransactionSuccessful() } },
+                { executor.execute { db.lowLevel().endTransaction() } })
+                .doAfterTerminate { stopSelf(startId) }
+                .subscribeOn(Schedulers.from(executor))
+                .subscribe()
+
+        return Service.START_NOT_STICKY
+    }
+
+    /**
+     * Returns an [Observable] containing restore process.
+     *
+     * @param uri restore file
+     * @return [Observable<Manga>]
+     */
+    private fun getRestoreObservable(uri: Uri): Observable<List<Manga>> {
+        val startTime = System.currentTimeMillis()
+
+        return Observable.just(Unit)
+                .map {
+                    val reader = JsonReader(contentResolver.openInputStream(uri).bufferedReader())
+                    val json = JsonParser().parse(reader).asJsonObject
+
+                    // Get parser version
+                    val version = json.get(VERSION)?.asInt ?: 1
+
+                    // Initialize manager
+                    backupManager = BackupManager(this, version)
+
+                    val mangasJson = json.get(MANGAS).asJsonArray
+
+                    restoreAmount = mangasJson.size() + 1 // +1 for categories
+                    restoreProgress = 0
+                    errors.clear()
+
+                    // Restore categories
+                    json.get(CATEGORIES)?.let {
+                        backupManager.restoreCategories(it.asJsonArray)
+                        restoreProgress += 1
+                        showRestoreProgress(restoreProgress, restoreAmount, "Categories added", errors.size)
+                    }
+
+                    mangasJson
+                }
+                .flatMap { Observable.from(it) }
+                .concatMap {
+                    val obj = it.asJsonObject
+                    val manga = backupManager.parser.fromJson<MangaImpl>(obj.get(MANGA))
+                    val chapters = backupManager.parser.fromJson<List<ChapterImpl>>(obj.get(CHAPTERS) ?: JsonArray())
+                    val categories = backupManager.parser.fromJson<List<String>>(obj.get(CATEGORIES) ?: JsonArray())
+                    val history = backupManager.parser.fromJson<List<DHistory>>(obj.get(HISTORY) ?: JsonArray())
+                    val tracks = backupManager.parser.fromJson<List<TrackImpl>>(obj.get(TRACK) ?: JsonArray())
+
+                    val observable = getMangaRestoreObservable(manga, chapters, categories, history, tracks)
+                    if (observable != null) {
+                        observable
+                    } else {
+                        errors.add(Date() to "${manga.title} - ${getString(R.string.source_not_found)}")
+                        restoreProgress += 1
+                        val content = getString(R.string.dialog_restoring_source_not_found, manga.title.chop(15))
+                        showRestoreProgress(restoreProgress, restoreAmount, manga.title, errors.size, content)
+                        Observable.just(manga)
+                    }
+                }
+                .toList()
+                .doOnNext {
+                    val endTime = System.currentTimeMillis()
+                    val time = endTime - startTime
+                    val logFile = writeErrorLog()
+                    val completeIntent = Intent(BackupConst.INTENT_FILTER).apply {
+                        putExtra(BackupConst.EXTRA_TIME, time)
+                        putExtra(BackupConst.EXTRA_ERRORS, errors.size)
+                        putExtra(BackupConst.EXTRA_ERROR_FILE_PATH, logFile.parent)
+                        putExtra(BackupConst.EXTRA_ERROR_FILE, logFile.name)
+                        putExtra(BackupConst.ACTION, BackupConst.ACTION_RESTORE_COMPLETED_DIALOG)
+                    }
+                    sendLocalBroadcast(completeIntent)
+
+                }
+                .doOnError { error ->
+                    Timber.e(error)
+                    writeErrorLog()
+                    val errorIntent = Intent(BackupConst.INTENT_FILTER).apply {
+                        putExtra(BackupConst.ACTION, BackupConst.ACTION_ERROR_RESTORE_DIALOG)
+                        putExtra(BackupConst.EXTRA_ERROR_MESSAGE, error.message)
+                    }
+                    sendLocalBroadcast(errorIntent)
+                }
+                .onErrorReturn { emptyList() }
+    }
+
+    /**
+     * Write errors to error log
+     */
+    private fun writeErrorLog(): File {
+        try {
+            if (errors.isNotEmpty()) {
+                val destFile = File(externalCacheDir, "tachiyomi_restore.log")
+                val sdf = SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS", Locale.getDefault())
+
+                destFile.bufferedWriter().use { out ->
+                    errors.forEach { (date, message) ->
+                        out.write("[${sdf.format(date)}] $message\n")
+                    }
+                }
+                return destFile
+            }
+        } catch (e: Exception) {
+            // Empty
+        }
+        return File("")
+    }
+
+    /**
+     * Returns a manga restore observable
+     *
+     * @param manga manga data from json
+     * @param chapters chapters data from json
+     * @param categories categories data from json
+     * @param history history data from json
+     * @param tracks tracking data from json
+     * @return [Observable] containing manga restore information
+     */
+    private fun getMangaRestoreObservable(manga: Manga, chapters: List<Chapter>,
+                                          categories: List<String>, history: List<DHistory>,
+                                          tracks: List<Track>): Observable<Manga>? {
+        // Get source
+        val source = backupManager.sourceManager.getOrStub(manga.source)
+        val dbManga = backupManager.getMangaFromDatabase(manga)
+
+        return if (dbManga == null) {
+            // Manga not in database
+            mangaFetchObservable(source, manga, chapters, categories, history, tracks)
+        } else { // Manga in database
+            // Copy information from manga already in database
+            backupManager.restoreMangaNoFetch(manga, dbManga)
+            // Fetch rest of manga information
+            mangaNoFetchObservable(source, manga, chapters, categories, history, tracks)
+        }
+    }
+
+    /**
+     * [Observable] that fetches manga information
+     *
+     * @param manga manga that needs updating
+     * @param chapters chapters of manga that needs updating
+     * @param categories categories that need updating
+     */
+    private fun mangaFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>,
+                                     categories: List<String>, history: List<DHistory>,
+                                     tracks: List<Track>): Observable<Manga> {
+        return backupManager.restoreMangaFetchObservable(source, manga)
+                .onErrorReturn {
+                    errors.add(Date() to "${manga.title} - ${it.message}")
+                    manga
+                }
+                .filter { it.id != null }
+                .flatMap {
+                    chapterFetchObservable(source, it, chapters)
+                            // Convert to the manga that contains new chapters.
+                            .map { manga }
+                }
+                .doOnNext {
+                    restoreExtraForManga(it, categories, history, tracks)
+                }
+                .flatMap {
+                    trackingFetchObservable(it, tracks)
+                            // Convert to the manga that contains new chapters.
+                            .map { manga }
+                }
+                .doOnCompleted {
+                    restoreProgress += 1
+                    showRestoreProgress(restoreProgress, restoreAmount, manga.title, errors.size)
+                }
+    }
+
+    private fun mangaNoFetchObservable(source: Source, backupManga: Manga, chapters: List<Chapter>,
+                                       categories: List<String>, history: List<DHistory>,
+                                       tracks: List<Track>): Observable<Manga> {
+
+        return Observable.just(backupManga)
+                .flatMap { manga ->
+                    if (!backupManager.restoreChaptersForManga(manga, chapters)) {
+                        chapterFetchObservable(source, manga, chapters)
+                                .map { manga }
+                    } else {
+                        Observable.just(manga)
+                    }
+                }
+                .doOnNext {
+                    restoreExtraForManga(it, categories, history, tracks)
+                }
+                .flatMap { manga ->
+                    trackingFetchObservable(manga, tracks)
+                            // Convert to the manga that contains new chapters.
+                            .map { manga }
+                }
+                .doOnCompleted {
+                    restoreProgress += 1
+                    showRestoreProgress(restoreProgress, restoreAmount, backupManga.title, errors.size)
+                }
+    }
+
+    private fun restoreExtraForManga(manga: Manga, categories: List<String>, history: List<DHistory>, tracks: List<Track>) {
+        // Restore categories
+        backupManager.restoreCategoriesForManga(manga, categories)
+
+        // Restore history
+        backupManager.restoreHistoryForManga(history)
+
+        // Restore tracking
+        backupManager.restoreTrackForManga(manga, tracks)
+    }
+
+    /**
+     * [Observable] that fetches chapter information
+     *
+     * @param source source of manga
+     * @param manga manga that needs updating
+     * @return [Observable] that contains manga
+     */
+    private fun chapterFetchObservable(source: Source, manga: Manga, chapters: List<Chapter>): Observable<Pair<List<Chapter>, List<Chapter>>> {
+        return backupManager.restoreChapterFetchObservable(source, manga, chapters)
+                // If there's any error, return empty update and continue.
+                .onErrorReturn {
+                    errors.add(Date() to "${manga.title} - ${it.message}")
+                    Pair(emptyList(), emptyList())
+                }
+    }
+
+    /**
+     * [Observable] that refreshes tracking information
+     * @param manga manga that needs updating.
+     * @param tracks list containing tracks from restore file.
+     * @return [Observable] that contains updated track item
+     */
+    private fun trackingFetchObservable(manga: Manga, tracks: List<Track>): Observable<Track> {
+        return Observable.from(tracks)
+                .concatMap { track ->
+                    val service = trackManager.getService(track.sync_id)
+                    if (service != null && service.isLogged) {
+                        service.refresh(track)
+                                .doOnNext { db.insertTrack(it).executeAsBlocking() }
+                                .onErrorReturn {
+                                    errors.add(Date() to "${manga.title} - ${it.message}")
+                                    track
+                                }
+                    } else {
+                        errors.add(Date() to "${manga.title} - ${service?.name} not logged in")
+                        Observable.empty()
+                    }
+                }
+    }
+
+    /**
+     * Called to update dialog in [BackupConst]
+     *
+     * @param progress restore progress
+     * @param amount total restoreAmount of manga
+     * @param title title of restored manga
+     */
+    private fun showRestoreProgress(progress: Int, amount: Int, title: String, errors: Int,
+                                    content: String = getString(R.string.dialog_restoring_backup, title.chop(15))) {
+        val intent = Intent(BackupConst.INTENT_FILTER).apply {
+            putExtra(BackupConst.EXTRA_PROGRESS, progress)
+            putExtra(BackupConst.EXTRA_AMOUNT, amount)
+            putExtra(BackupConst.EXTRA_CONTENT, content)
+            putExtra(BackupConst.EXTRA_ERRORS, errors)
+            putExtra(BackupConst.ACTION, BackupConst.ACTION_SET_PROGRESS_DIALOG)
+        }
+        sendLocalBroadcast(intent)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/Backup.kt
@ -0,0 +1,23 @@
+package eu.kanade.tachiyomi.data.backup.models
+
+import java.text.SimpleDateFormat
+import java.util.*
+
+/**
+ * Json values
+ */
+object Backup {
+    const val CURRENT_VERSION = 2
+    const val MANGA = "manga"
+    const val MANGAS = "mangas"
+    const val TRACK = "track"
+    const val CHAPTERS = "chapters"
+    const val CATEGORIES = "categories"
+    const val HISTORY = "history"
+    const val VERSION = "version"
+
+    fun getDefaultFilename(): String {
+        val date = SimpleDateFormat("yyyy-MM-dd_HH-mm", Locale.getDefault()).format(Date())
+        return "tachiyomi_$date.json"
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/DHistory.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/models/DHistory.kt
@ -0,0 +1,3 @@
+package eu.kanade.tachiyomi.data.backup.models
+
+data class DHistory(val url: String,val lastRead: Long)
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/CategoryTypeAdapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/CategoryTypeAdapter.kt
@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import eu.kanade.tachiyomi.data.database.models.CategoryImpl
+
+/**
+ * JSON Serializer used to write / read [CategoryImpl] to / from json
+ */
+object CategoryTypeAdapter {
+
+    fun build(): TypeAdapter<CategoryImpl> {
+        return typeAdapter {
+            write {
+                beginArray()
+                value(it.name)
+                value(it.order)
+                endArray()
+            }
+
+            read {
+                beginArray()
+                val category = CategoryImpl()
+                category.name = nextString()
+                category.order = nextInt()
+                endArray()
+                category
+            }
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/ChapterTypeAdapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/ChapterTypeAdapter.kt
@ -0,0 +1,61 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import com.google.gson.stream.JsonToken
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+
+/**
+ * JSON Serializer used to write / read [ChapterImpl] to / from json
+ */
+object ChapterTypeAdapter {
+
+    private const val URL = "u"
+    private const val READ = "r"
+    private const val BOOKMARK = "b"
+    private const val LAST_READ = "l"
+
+    fun build(): TypeAdapter<ChapterImpl> {
+        return typeAdapter {
+            write {
+                if (it.read || it.bookmark || it.last_page_read != 0) {
+                    beginObject()
+                    name(URL)
+                    value(it.url)
+                    if (it.read) {
+                        name(READ)
+                        value(1)
+                    }
+                    if (it.bookmark) {
+                        name(BOOKMARK)
+                        value(1)
+                    }
+                    if (it.last_page_read != 0) {
+                        name(LAST_READ)
+                        value(it.last_page_read)
+                    }
+                    endObject()
+                }
+            }
+
+            read {
+                val chapter = ChapterImpl()
+                beginObject()
+                while (hasNext()) {
+                    if (peek() == JsonToken.NAME) {
+                        val name = nextName()
+
+                        when (name) {
+                            URL -> chapter.url = nextString()
+                            READ -> chapter.read = nextInt() == 1
+                            BOOKMARK -> chapter.bookmark = nextInt() == 1
+                            LAST_READ -> chapter.last_page_read = nextInt()
+                        }
+                    }
+                }
+                endObject()
+                chapter
+            }
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/HistoryTypeAdapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/HistoryTypeAdapter.kt
@ -0,0 +1,32 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import eu.kanade.tachiyomi.data.backup.models.DHistory
+
+/**
+ * JSON Serializer used to write / read [DHistory] to / from json
+ */
+object HistoryTypeAdapter {
+
+    fun build(): TypeAdapter<DHistory> {
+        return typeAdapter {
+            write {
+                if (it.lastRead != 0L) {
+                    beginArray()
+                    value(it.url)
+                    value(it.lastRead)
+                    endArray()
+                }
+            }
+
+            read {
+                beginArray()
+                val url = nextString()
+                val lastRead = nextLong()
+                endArray()
+                DHistory(url, lastRead)
+            }
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/MangaTypeAdapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/MangaTypeAdapter.kt
@ -0,0 +1,37 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+
+/**
+ * JSON Serializer used to write / read [MangaImpl] to / from json
+ */
+object MangaTypeAdapter {
+
+    fun build(): TypeAdapter<MangaImpl> {
+        return typeAdapter {
+            write {
+                beginArray()
+                value(it.url)
+                value(it.title)
+                value(it.source)
+                value(it.viewer)
+                value(it.chapter_flags)
+                endArray()
+            }
+
+            read {
+                beginArray()
+                val manga = MangaImpl()
+                manga.url = nextString()
+                manga.title = nextString()
+                manga.source = nextLong()
+                manga.viewer = nextInt()
+                manga.chapter_flags = nextInt()
+                endArray()
+                manga
+            }
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/TrackTypeAdapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/backup/serializer/TrackTypeAdapter.kt
@ -0,0 +1,62 @@
+package eu.kanade.tachiyomi.data.backup.serializer
+
+import android.telecom.DisconnectCause.REMOTE
+import com.github.salomonbrys.kotson.typeAdapter
+import com.google.gson.TypeAdapter
+import com.google.gson.stream.JsonToken
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+
+/**
+ * JSON Serializer used to write / read [TrackImpl] to / from json
+ */
+object TrackTypeAdapter {
+
+    private const val SYNC = "s"
+    private const val MEDIA = "r"
+    private const val LIBRARY = "ml"
+    private const val TITLE = "t"
+    private const val LAST_READ = "l"
+    private const val TRACKING_URL = "u"
+
+    fun build(): TypeAdapter<TrackImpl> {
+        return typeAdapter {
+            write {
+                beginObject()
+                name(TITLE)
+                value(it.title)
+                name(SYNC)
+                value(it.sync_id)
+                name(MEDIA)
+                value(it.media_id)
+                name(LIBRARY)
+                value(it.library_id)
+                name(LAST_READ)
+                value(it.last_chapter_read)
+                name(TRACKING_URL)
+                value(it.tracking_url)
+                endObject()
+            }
+
+            read {
+                val track = TrackImpl()
+                beginObject()
+                while (hasNext()) {
+                    if (peek() == JsonToken.NAME) {
+                        val name = nextName()
+
+                        when (name) {
+                            TITLE -> track.title = nextString()
+                            SYNC -> track.sync_id = nextInt()
+                            MEDIA -> track.media_id = nextInt()
+                            LIBRARY -> track.library_id = nextLong()
+                            LAST_READ -> track.last_chapter_read = nextInt()
+                            TRACKING_URL -> track.tracking_url = nextString()
+                        }
+                    }
+                }
+                endObject()
+                track
+            }
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.java
@ -1,197 +0,0 @@
-package eu.kanade.tachiyomi.data.cache;
-
-import android.content.Context;
-import android.text.format.Formatter;
-
-import com.google.gson.Gson;
-import com.google.gson.reflect.TypeToken;
-import com.jakewharton.disklrucache.DiskLruCache;
-import com.squareup.okhttp.Response;
-
-import java.io.BufferedOutputStream;
-import java.io.File;
-import java.io.IOException;
-import java.io.OutputStream;
-import java.lang.reflect.Type;
-import java.util.List;
-
-import eu.kanade.tachiyomi.data.source.model.Page;
-import eu.kanade.tachiyomi.util.DiskUtils;
-import okio.BufferedSink;
-import okio.Okio;
-import rx.Observable;
-
-public class ChapterCache {
-
-    private static final String PARAMETER_CACHE_DIRECTORY = "chapter_disk_cache";
-    private static final int PARAMETER_APP_VERSION = 1;
-    private static final int PARAMETER_VALUE_COUNT = 1;
-    private static final int PARAMETER_CACHE_SIZE = 75 * 1024 * 1024;
-
-    private Context context;
-    private Gson gson;
-
-    private DiskLruCache diskCache;
-
-    public ChapterCache(Context context) {
-        this.context = context;
-        gson = new Gson();
-
-        try {
-            diskCache = DiskLruCache.open(
-                    new File(context.getCacheDir(), PARAMETER_CACHE_DIRECTORY),
-                    PARAMETER_APP_VERSION,
-                    PARAMETER_VALUE_COUNT,
-                    PARAMETER_CACHE_SIZE
-            );
-        } catch (IOException e) {
-            // Do Nothing.
-        }
-    }
-
-    public boolean remove(String file) {
-        if (file.equals("journal") || file.startsWith("journal."))
-            return false;
-
-        try {
-            String key = file.substring(0, file.lastIndexOf("."));
-            return diskCache.remove(key);
-        } catch (IOException e) {
-            return false;
-        }
-    }
-
-    public File getCacheDir() {
-        return diskCache.getDirectory();
-    }
-
-    public long getRealSize() {
-        return DiskUtils.getDirectorySize(getCacheDir());
-    }
-
-    public String getReadableSize() {
-        return Formatter.formatFileSize(context, getRealSize());
-    }
-
-    public void setSize(int value) {
-        diskCache.setMaxSize(value * 1024 * 1024);
-    }
-
-    public Observable<List<Page>> getPageUrlsFromDiskCache(final String chapterUrl) {
-        return Observable.create(subscriber -> {
-            try {
-                List<Page> pages = getPageUrlsFromDiskCacheImpl(chapterUrl);
-                subscriber.onNext(pages);
-                subscriber.onCompleted();
-            } catch (Throwable e) {
-                subscriber.onError(e);
-            }
-        });
-    }
-
-    private List<Page> getPageUrlsFromDiskCacheImpl(String chapterUrl) throws IOException {
-        DiskLruCache.Snapshot snapshot = null;
-        List<Page> pages = null;
-
-        try {
-            String key = DiskUtils.hashKeyForDisk(chapterUrl);
-            snapshot = diskCache.get(key);
-
-            Type collectionType = new TypeToken<List<Page>>() {}.getType();
-            pages = gson.fromJson(snapshot.getString(0), collectionType);
-        } catch (IOException e) {
-            // Do Nothing.
-        } finally {
-            if (snapshot != null) {
-                snapshot.close();
-            }
-        }
-        return pages;
-    }
-
-    public void putPageUrlsToDiskCache(final String chapterUrl, final List<Page> pages) {
-        String cachedValue = gson.toJson(pages);
-
-        DiskLruCache.Editor editor = null;
-        OutputStream outputStream = null;
-        try {
-            String key = DiskUtils.hashKeyForDisk(chapterUrl);
-            editor = diskCache.edit(key);
-            if (editor == null) {
-                return;
-            }
-
-            outputStream = new BufferedOutputStream(editor.newOutputStream(0));
-            outputStream.write(cachedValue.getBytes());
-            outputStream.flush();
-
-            diskCache.flush();
-            editor.commit();
-        } catch (Exception e) {
-            // Do Nothing.
-        } finally {
-            if (editor != null) {
-                editor.abortUnlessCommitted();
-            }
-            if (outputStream != null) {
-                try {
-                    outputStream.close();
-                } catch (IOException ignore) {
-                    // Do Nothing.
-                }
-            }
-        }
-    }
-
-    public boolean isImageInCache(final String imageUrl) {
-        try {
-            return diskCache.get(DiskUtils.hashKeyForDisk(imageUrl)) != null;
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return false;
-    }
-
-    public String getImagePath(final String imageUrl) {
-        try {
-            String imageName = DiskUtils.hashKeyForDisk(imageUrl) + ".0";
-            File file = new File(diskCache.getDirectory(), imageName);
-            return file.getCanonicalPath();
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public void putImageToDiskCache(final String imageUrl, final Response response) throws IOException {
-        DiskLruCache.Editor editor = null;
-        BufferedSink sink = null;
-
-        try {
-            String key = DiskUtils.hashKeyForDisk(imageUrl);
-            editor = diskCache.edit(key);
-            if (editor == null) {
-                throw new IOException("Unable to edit key");
-            }
-
-            OutputStream outputStream = new BufferedOutputStream(editor.newOutputStream(0));
-            sink = Okio.buffer(Okio.sink(outputStream));
-            sink.writeAll(response.body().source());
-
-            diskCache.flush();
-            editor.commit();
-        } catch (Exception e) {
-            throw new IOException("Unable to save image");
-        } finally {
-            if (editor != null) {
-                editor.abortUnlessCommitted();
-            }
-            if (sink != null) {
-                sink.close();
-            }
-        }
-
-    }
-
-}
-
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt
@ -0,0 +1,203 @@
+package eu.kanade.tachiyomi.data.cache
+
+import android.content.Context
+import android.text.format.Formatter
+import com.github.salomonbrys.kotson.fromJson
+import com.google.gson.Gson
+import com.jakewharton.disklrucache.DiskLruCache
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.source.model.Page
+import eu.kanade.tachiyomi.util.DiskUtil
+import eu.kanade.tachiyomi.util.saveTo
+import okhttp3.Response
+import okio.Okio
+import rx.Observable
+import uy.kohesive.injekt.injectLazy
+import java.io.File
+import java.io.IOException
+
+/**
+ * Class used to create chapter cache
+ * For each image in a chapter a file is created
+ * For each chapter a Json list is created and converted to a file.
+ * The files are in format *md5key*.0
+ *
+ * @param context the application context.
+ * @constructor creates an instance of the chapter cache.
+ */
+class ChapterCache(private val context: Context) {
+
+    companion object {
+        /** Name of cache directory.  */
+        const val PARAMETER_CACHE_DIRECTORY = "chapter_disk_cache"
+
+        /** Application cache version.  */
+        const val PARAMETER_APP_VERSION = 1
+
+        /** The number of values per cache entry. Must be positive.  */
+        const val PARAMETER_VALUE_COUNT = 1
+
+        /** The maximum number of bytes this cache should use to store.  */
+        const val PARAMETER_CACHE_SIZE = 75L * 1024 * 1024
+    }
+
+    /** Google Json class used for parsing JSON files.  */
+    private val gson: Gson by injectLazy()
+
+    /** Cache class used for cache management.  */
+    private val diskCache = DiskLruCache.open(File(context.cacheDir, PARAMETER_CACHE_DIRECTORY),
+            PARAMETER_APP_VERSION,
+            PARAMETER_VALUE_COUNT,
+            PARAMETER_CACHE_SIZE)
+
+    /**
+     * Returns directory of cache.
+     */
+    val cacheDir: File
+        get() = diskCache.directory
+
+    /**
+     * Returns real size of directory.
+     */
+    private val realSize: Long
+        get() = DiskUtil.getDirectorySize(cacheDir)
+
+    /**
+     * Returns real size of directory in human readable format.
+     */
+    val readableSize: String
+        get() = Formatter.formatFileSize(context, realSize)
+
+    /**
+     * Remove file from cache.
+     *
+     * @param file name of file "md5.0".
+     * @return status of deletion for the file.
+     */
+    fun removeFileFromCache(file: String): Boolean {
+        // Make sure we don't delete the journal file (keeps track of cache).
+        if (file == "journal" || file.startsWith("journal."))
+            return false
+
+        try {
+            // Remove the extension from the file to get the key of the cache
+            val key = file.substringBeforeLast(".")
+            // Remove file from cache.
+            return diskCache.remove(key)
+        } catch (e: Exception) {
+            return false
+        }
+    }
+
+    /**
+     * Get page list from cache.
+     *
+     * @param chapter the chapter.
+     * @return an observable of the list of pages.
+     */
+    fun getPageListFromCache(chapter: Chapter): Observable<List<Page>> {
+        return Observable.fromCallable {
+            // Get the key for the chapter.
+            val key = DiskUtil.hashKeyForDisk(getKey(chapter))
+
+            // Convert JSON string to list of objects. Throws an exception if snapshot is null
+            diskCache.get(key).use {
+                gson.fromJson<List<Page>>(it.getString(0))
+            }
+        }
+    }
+
+    /**
+     * Add page list to disk cache.
+     *
+     * @param chapter the chapter.
+     * @param pages list of pages.
+     */
+    fun putPageListToCache(chapter: Chapter, pages: List<Page>) {
+        // Convert list of pages to json string.
+        val cachedValue = gson.toJson(pages)
+
+        // Initialize the editor (edits the values for an entry).
+        var editor: DiskLruCache.Editor? = null
+
+        try {
+            // Get editor from md5 key.
+            val key = DiskUtil.hashKeyForDisk(getKey(chapter))
+            editor = diskCache.edit(key) ?: return
+
+            // Write chapter urls to cache.
+            Okio.buffer(Okio.sink(editor.newOutputStream(0))).use {
+                it.write(cachedValue.toByteArray())
+                it.flush()
+            }
+
+            diskCache.flush()
+            editor.commit()
+            editor.abortUnlessCommitted()
+
+        } catch (e: Exception) {
+            // Ignore.
+        } finally {
+            editor?.abortUnlessCommitted()
+        }
+    }
+
+    /**
+     * Returns true if image is in cache.
+     *
+     * @param imageUrl url of image.
+     * @return true if in cache otherwise false.
+     */
+    fun isImageInCache(imageUrl: String): Boolean {
+        try {
+            return diskCache.get(DiskUtil.hashKeyForDisk(imageUrl)) != null
+        } catch (e: IOException) {
+            return false
+        }
+    }
+
+    /**
+     * Get image file from url.
+     *
+     * @param imageUrl url of image.
+     * @return path of image.
+     */
+    fun getImageFile(imageUrl: String): File {
+        // Get file from md5 key.
+        val imageName = DiskUtil.hashKeyForDisk(imageUrl) + ".0"
+        return File(diskCache.directory, imageName)
+    }
+
+    /**
+     * Add image to cache.
+     * 
+     * @param imageUrl url of image.
+     * @param response http response from page.
+     * @throws IOException image error.
+     */
+    @Throws(IOException::class)
+    fun putImageToCache(imageUrl: String, response: Response) {
+        // Initialize editor (edits the values for an entry).
+        var editor: DiskLruCache.Editor? = null
+
+        try {
+            // Get editor from md5 key.
+            val key = DiskUtil.hashKeyForDisk(imageUrl)
+            editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
+
+            // Get OutputStream and write image with Okio.
+            response.body()!!.source().saveTo(editor.newOutputStream(0))
+
+            diskCache.flush()
+            editor.commit()
+        } finally {
+            response.body()?.close()
+            editor?.abortUnlessCommitted()
+        }
+    }
+
+    private fun getKey(chapter: Chapter): String {
+        return "${chapter.manga_id}${chapter.url}"
+    }
+}
+
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.java
@ -1,148 +0,0 @@
-package eu.kanade.tachiyomi.data.cache;
-
-import android.content.Context;
-import android.text.TextUtils;
-import android.widget.ImageView;
-
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.load.engine.DiskCacheStrategy;
-import com.bumptech.glide.load.model.GlideUrl;
-import com.bumptech.glide.load.model.LazyHeaders;
-import com.bumptech.glide.request.animation.GlideAnimation;
-import com.bumptech.glide.request.target.SimpleTarget;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-
-import eu.kanade.tachiyomi.util.DiskUtils;
-
-public class CoverCache {
-
-    private static final String PARAMETER_CACHE_DIRECTORY = "cover_disk_cache";
-
-    private Context context;
-    private File cacheDir;
-
-    public CoverCache(Context context) {
-        this.context = context;
-        cacheDir = new File(context.getCacheDir(), PARAMETER_CACHE_DIRECTORY);
-        createCacheDir();
-    }
-
-    private boolean createCacheDir() {
-        return !cacheDir.exists() && cacheDir.mkdirs();
-    }
-
-    public void save(String thumbnailUrl, LazyHeaders headers) {
-        save(thumbnailUrl, headers, null);
-    }
-
-    // Download the cover with Glide (it can avoid repeating requests) and save the file on this cache
-    // Optionally, load the image in the given image view when the resource is ready, if not null
-    public void save(String thumbnailUrl, LazyHeaders headers, ImageView imageView) {
-        if (TextUtils.isEmpty(thumbnailUrl))
-            return;
-
-        GlideUrl url = new GlideUrl(thumbnailUrl, headers);
-        Glide.with(context)
-                .load(url)
-                .downloadOnly(new SimpleTarget<File>() {
-                    @Override
-                    public void onResourceReady(File resource, GlideAnimation<? super File> anim) {
-                        try {
-                            add(thumbnailUrl, resource);
-                            if (imageView != null) {
-                                loadFromCache(imageView, resource);
-                            }
-                        } catch (IOException e) {
-                            e.printStackTrace();
-                        }
-                    }
-                });
-    }
-
-    // Copy the cover from Glide's cache to this cache
-    public void add(String thumbnailUrl, File source) throws IOException {
-        createCacheDir();
-        File dest = new File(cacheDir, DiskUtils.hashKeyForDisk(thumbnailUrl));
-        if (dest.exists())
-            dest.delete();
-
-        InputStream in = new FileInputStream(source);
-        try {
-            OutputStream out = new FileOutputStream(dest);
-            try {
-                // Transfer bytes from in to out
-                byte[] buf = new byte[1024];
-                int len;
-                while ((len = in.read(buf)) > 0) {
-                    out.write(buf, 0, len);
-                }
-            } finally {
-                out.close();
-            }
-        } finally {
-            in.close();
-        }
-    }
-
-    // Get the cover from cache
-    public File get(String thumbnailUrl) {
-        return new File(cacheDir, DiskUtils.hashKeyForDisk(thumbnailUrl));
-    }
-
-    // Delete the cover from cache
-    public boolean delete(String thumbnailUrl) {
-        if (TextUtils.isEmpty(thumbnailUrl))
-            return false;
-
-        File file = new File(cacheDir, DiskUtils.hashKeyForDisk(thumbnailUrl));
-        return file.exists() && file.delete();
-    }
-
-    // Save and load the image from cache
-    public void saveAndLoadFromCache(ImageView imageView, String thumbnailUrl, LazyHeaders headers) {
-        File localCover = get(thumbnailUrl);
-        if (localCover.exists()) {
-            loadFromCache(imageView, localCover);
-        } else {
-            save(thumbnailUrl, headers, imageView);
-        }
-    }
-
-    // If the image is already in our cache, use it. If not, load it with glide
-    public void loadFromCacheOrNetwork(ImageView imageView, String thumbnailUrl, LazyHeaders headers) {
-        File localCover = get(thumbnailUrl);
-        if (localCover.exists()) {
-            loadFromCache(imageView, localCover);
-        } else {
-            loadFromNetwork(imageView, thumbnailUrl, headers);
-        }
-    }
-
-    // Helper method to load the cover from the cache directory into the specified image view
-    // The file must exist
-    private void loadFromCache(ImageView imageView, File file) {
-        Glide.with(context)
-                .load(file)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .centerCrop()
-                .into(imageView);
-    }
-
-    // Helper method to load the cover from network into the specified image view.
-    // It does NOT save the image in cache
-    public void loadFromNetwork(ImageView imageView, String thumbnailUrl, LazyHeaders headers) {
-        GlideUrl url = new GlideUrl(thumbnailUrl, headers);
-        Glide.with(context)
-                .load(url)
-                .diskCacheStrategy(DiskCacheStrategy.SOURCE)
-                .centerCrop()
-                .into(imageView);
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverCache.kt
@ -0,0 +1,67 @@
+package eu.kanade.tachiyomi.data.cache
+
+import android.content.Context
+import eu.kanade.tachiyomi.util.DiskUtil
+import java.io.File
+import java.io.IOException
+import java.io.InputStream
+
+/**
+ * Class used to create cover cache.
+ * It is used to store the covers of the library.
+ * Makes use of Glide (which can avoid repeating requests) to download covers.
+ * Names of files are created with the md5 of the thumbnail URL.
+ *
+ * @param context the application context.
+ * @constructor creates an instance of the cover cache.
+ */
+class CoverCache(private val context: Context) {
+
+    /**
+     * Cache directory used for cache management.
+     */
+    private val cacheDir = context.getExternalFilesDir("covers") ?:
+            File(context.filesDir, "covers").also { it.mkdirs() }
+
+    /**
+     * Returns the cover from cache.
+     *
+     * @param thumbnailUrl the thumbnail url.
+     * @return cover image.
+     */
+    fun getCoverFile(thumbnailUrl: String): File {
+        return File(cacheDir, DiskUtil.hashKeyForDisk(thumbnailUrl))
+    }
+
+    /**
+     * Copy the given stream to this cache.
+     *
+     * @param thumbnailUrl url of the thumbnail.
+     * @param inputStream  the stream to copy.
+     * @throws IOException if there's any error.
+     */
+    @Throws(IOException::class)
+    fun copyToCache(thumbnailUrl: String, inputStream: InputStream) {
+        // Get destination file.
+        val destFile = getCoverFile(thumbnailUrl)
+
+        destFile.outputStream().use { inputStream.copyTo(it) }
+    }
+
+    /**
+     * Delete the cover file from the cache.
+     *
+     * @param thumbnailUrl the thumbnail url.
+     * @return status of deletion.
+     */
+    fun deleteFromCache(thumbnailUrl: String?): Boolean {
+        // Check if url is empty.
+        if (thumbnailUrl.isNullOrEmpty())
+            return false
+
+        // Remove file.
+        val file = getCoverFile(thumbnailUrl!!)
+        return file.exists() && file.delete()
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverGlideModule.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/cache/CoverGlideModule.java
@ -1,21 +0,0 @@
-package eu.kanade.tachiyomi.data.cache;
-
-import android.content.Context;
-
-import com.bumptech.glide.Glide;
-import com.bumptech.glide.GlideBuilder;
-import com.bumptech.glide.load.DecodeFormat;
-import com.bumptech.glide.module.GlideModule;
-
-public class CoverGlideModule implements GlideModule {
-
-    @Override
-    public void applyOptions(Context context, GlideBuilder builder) {
-        builder.setDecodeFormat(DecodeFormat.PREFER_ARGB_8888);
-    }
-
-    @Override
-    public void registerComponents(Context context, Glide glide) {
-
-    }
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.java
@ -1,408 +0,0 @@
-package eu.kanade.tachiyomi.data.database;
-
-import android.content.Context;
-import android.util.Pair;
-
-import com.pushtorefresh.storio.Queries;
-import com.pushtorefresh.storio.sqlite.StorIOSQLite;
-import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite;
-import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteByQuery;
-import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteCollectionOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.delete.PreparedDeleteObject;
-import com.pushtorefresh.storio.sqlite.operations.get.PreparedGetListOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.get.PreparedGetObject;
-import com.pushtorefresh.storio.sqlite.operations.put.PreparedPutCollectionOfObjects;
-import com.pushtorefresh.storio.sqlite.operations.put.PreparedPutObject;
-import com.pushtorefresh.storio.sqlite.queries.DeleteQuery;
-import com.pushtorefresh.storio.sqlite.queries.Query;
-import com.pushtorefresh.storio.sqlite.queries.RawQuery;
-
-import java.util.Date;
-import java.util.List;
-
-import eu.kanade.tachiyomi.data.database.models.Category;
-import eu.kanade.tachiyomi.data.database.models.CategorySQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.Chapter;
-import eu.kanade.tachiyomi.data.database.models.ChapterSQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.Manga;
-import eu.kanade.tachiyomi.data.database.models.MangaCategory;
-import eu.kanade.tachiyomi.data.database.models.MangaCategorySQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.MangaChapter;
-import eu.kanade.tachiyomi.data.database.models.MangaSQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.models.MangaSync;
-import eu.kanade.tachiyomi.data.database.models.MangaSyncSQLiteTypeMapping;
-import eu.kanade.tachiyomi.data.database.resolvers.LibraryMangaGetResolver;
-import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterGetResolver;
-import eu.kanade.tachiyomi.data.database.tables.CategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaSyncTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-import eu.kanade.tachiyomi.data.mangasync.base.MangaSyncService;
-import eu.kanade.tachiyomi.util.ChapterRecognition;
-import rx.Observable;
-
-public class DatabaseHelper {
-
-    private StorIOSQLite db;
-
-    public DatabaseHelper(Context context) {
-
-        db = DefaultStorIOSQLite.builder()
-                .sqliteOpenHelper(new DbOpenHelper(context))
-                .addTypeMapping(Manga.class, new MangaSQLiteTypeMapping())
-                .addTypeMapping(Chapter.class, new ChapterSQLiteTypeMapping())
-                .addTypeMapping(MangaSync.class, new MangaSyncSQLiteTypeMapping())
-                .addTypeMapping(Category.class, new CategorySQLiteTypeMapping())
-                .addTypeMapping(MangaCategory.class, new MangaCategorySQLiteTypeMapping())
-                .build();
-    }
-
-    // Mangas related queries
-
-    public PreparedGetListOfObjects<Manga> getMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<Manga> getLibraryMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(RawQuery.builder()
-                        .query(LibraryMangaGetResolver.QUERY)
-                        .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE)
-                        .build())
-                .withGetResolver(LibraryMangaGetResolver.INSTANCE)
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<Manga> getFavoriteMangas() {
-        return db.get()
-                .listOfObjects(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_FAVORITE + "=?")
-                        .whereArgs(1)
-                        .orderBy(MangaTable.COLUMN_TITLE)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Manga> getManga(String url, int sourceId) {
-        return db.get()
-                .object(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_URL + "=? AND " + MangaTable.COLUMN_SOURCE + "=?")
-                        .whereArgs(url, sourceId)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Manga> getManga(long id) {
-        return db.get()
-                .object(Manga.class)
-                .withQuery(Query.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_ID + "=?")
-                        .whereArgs(id)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<Manga> insertManga(Manga manga) {
-        return db.put()
-                .object(manga)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<Manga> insertMangas(List<Manga> mangas) {
-        return db.put()
-                .objects(mangas)
-                .prepare();
-    }
-
-    public PreparedDeleteObject<Manga> deleteManga(Manga manga) {
-        return db.delete()
-                .object(manga)
-                .prepare();
-    }
-
-    public PreparedDeleteCollectionOfObjects<Manga> deleteMangas(List<Manga> mangas) {
-        return db.delete()
-                .objects(mangas)
-                .prepare();
-    }
-
-    public PreparedDeleteByQuery deleteMangasNotInLibrary() {
-        return db.delete()
-                .byQuery(DeleteQuery.builder()
-                        .table(MangaTable.TABLE)
-                        .where(MangaTable.COLUMN_FAVORITE + "=?")
-                        .whereArgs(0)
-                        .build())
-                .prepare();
-    }
-
-
-    // Chapters related queries
-
-    public PreparedGetListOfObjects<Chapter> getChapters(Manga manga) {
-        return db.get()
-                .listOfObjects(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=?")
-                        .whereArgs(manga.id)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<MangaChapter> getRecentChapters(Date date) {
-        return db.get()
-                .listOfObjects(MangaChapter.class)
-                .withQuery(RawQuery.builder()
-                        .query(MangaChapterGetResolver.getRecentChaptersQuery(date))
-                        .observesTables(ChapterTable.TABLE)
-                        .build())
-                .withGetResolver(MangaChapterGetResolver.INSTANCE)
-                .prepare();
-    }
-
-    public PreparedGetObject<Chapter> getNextChapter(Chapter chapter) {
-        // Add a delta to the chapter number, because binary decimal representation
-        // can retrieve the same chapter again
-        double chapterNumber = chapter.chapter_number + 0.00001;
-
-        return db.get()
-                .object(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + ">? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + "<=?")
-                        .whereArgs(chapter.manga_id, chapterNumber, chapterNumber + 1)
-                        .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER)
-                        .limit(1)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Chapter> getPreviousChapter(Chapter chapter) {
-        // Add a delta to the chapter number, because binary decimal representation
-        // can retrieve the same chapter again
-        double chapterNumber = chapter.chapter_number - 0.00001;
-
-        return db.get()
-                .object(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + "<? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + ">=?")
-                        .whereArgs(chapter.manga_id, chapterNumber, chapterNumber - 1)
-                        .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER + " DESC")
-                        .limit(1)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetObject<Chapter> getNextUnreadChapter(Manga manga) {
-        return db.get()
-                .object(Chapter.class)
-                .withQuery(Query.builder()
-                        .table(ChapterTable.TABLE)
-                        .where(ChapterTable.COLUMN_MANGA_ID + "=? AND " +
-                                ChapterTable.COLUMN_READ + "=? AND " +
-                                ChapterTable.COLUMN_CHAPTER_NUMBER + ">=?")
-                        .whereArgs(manga.id, 0, 0)
-                        .orderBy(ChapterTable.COLUMN_CHAPTER_NUMBER)
-                        .limit(1)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<Chapter> insertChapter(Chapter chapter) {
-        return db.put()
-                .object(chapter)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<Chapter> insertChapters(List<Chapter> chapters) {
-        return db.put()
-                .objects(chapters)
-                .prepare();
-    }
-
-    // Add new chapters or delete if the source deletes them
-    public Observable<Pair<Integer, Integer>> insertOrRemoveChapters(Manga manga, List<Chapter> sourceChapters) {
-        List<Chapter> dbChapters = getChapters(manga).executeAsBlocking();
-
-        Observable<List<Chapter>> newChapters = Observable.from(sourceChapters)
-                .filter(c -> !dbChapters.contains(c))
-                .doOnNext(c -> {
-                    c.manga_id = manga.id;
-                    ChapterRecognition.parseChapterNumber(c, manga);
-                })
-                .toList();
-
-        Observable<List<Chapter>> deletedChapters = Observable.from(dbChapters)
-                .filter(c -> !sourceChapters.contains(c))
-                .toList();
-
-        return Observable.zip(newChapters, deletedChapters, (toAdd, toDelete) -> {
-            int added = 0;
-            int deleted = 0;
-            db.internal().beginTransaction();
-            try {
-                if (!toAdd.isEmpty()) {
-                    // Set the date fetch for new items in reverse order to allow another sorting method.
-                    // Sources MUST return the chapters from most to less recent, which is common.
-                    long now = new Date().getTime();
-
-                    for (int i = toAdd.size() - 1; i >= 0; i--) {
-                        toAdd.get(i).date_fetch = now++;
-                    }
-                    added = insertChapters(toAdd).executeAsBlocking().numberOfInserts();
-                }
-
-                if (!toDelete.isEmpty()) {
-                    deleted = deleteChapters(toDelete).executeAsBlocking().results().size();
-                }
-
-                db.internal().setTransactionSuccessful();
-            } finally {
-                db.internal().endTransaction();
-            }
-            return Pair.create(added, deleted);
-        });
-    }
-
-    public PreparedDeleteObject<Chapter> deleteChapter(Chapter chapter) {
-        return db.delete()
-                .object(chapter)
-                .prepare();
-    }
-
-    public PreparedDeleteCollectionOfObjects<Chapter> deleteChapters(List<Chapter> chapters) {
-        return db.delete()
-                .objects(chapters)
-                .prepare();
-    }
-
-    // Manga sync related queries
-
-    public PreparedGetObject<MangaSync> getMangaSync(Manga manga, MangaSyncService sync) {
-        return db.get()
-                .object(MangaSync.class)
-                .withQuery(Query.builder()
-                        .table(MangaSyncTable.TABLE)
-                        .where(MangaSyncTable.COLUMN_MANGA_ID + "=? AND " +
-                                MangaSyncTable.COLUMN_SYNC_ID + "=?")
-                        .whereArgs(manga.id, sync.getId())
-                        .build())
-                .prepare();
-    }
-
-    public PreparedGetListOfObjects<MangaSync> getMangasSync(Manga manga) {
-        return db.get()
-                .listOfObjects(MangaSync.class)
-                .withQuery(Query.builder()
-                        .table(MangaSyncTable.TABLE)
-                        .where(MangaSyncTable.COLUMN_MANGA_ID + "=?")
-                        .whereArgs(manga.id)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<MangaSync> insertMangaSync(MangaSync manga) {
-        return db.put()
-                .object(manga)
-                .prepare();
-    }
-
-    public PreparedDeleteObject<MangaSync> deleteMangaSync(MangaSync manga) {
-        return db.delete()
-                .object(manga)
-                .prepare();
-    }
-
-    // Categories related queries
-
-    public PreparedGetListOfObjects<Category> getCategories() {
-        return db.get()
-                .listOfObjects(Category.class)
-                .withQuery(Query.builder()
-                        .table(CategoryTable.TABLE)
-                        .orderBy(CategoryTable.COLUMN_ORDER)
-                        .build())
-                .prepare();
-    }
-
-    public PreparedPutObject<Category> insertCategory(Category category) {
-        return db.put()
-                .object(category)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<Category> insertCategories(List<Category> categories) {
-        return db.put()
-                .objects(categories)
-                .prepare();
-    }
-
-    public PreparedDeleteObject<Category> deleteCategory(Category category) {
-        return db.delete()
-                .object(category)
-                .prepare();
-    }
-
-    public PreparedDeleteCollectionOfObjects<Category> deleteCategories(List<Category> categories) {
-        return db.delete()
-                .objects(categories)
-                .prepare();
-    }
-
-    public PreparedPutObject<MangaCategory> insertMangaCategory(MangaCategory mangaCategory) {
-        return db.put()
-                .object(mangaCategory)
-                .prepare();
-    }
-
-    public PreparedPutCollectionOfObjects<MangaCategory> insertMangasCategories(List<MangaCategory> mangasCategories) {
-        return db.put()
-                .objects(mangasCategories)
-                .prepare();
-    }
-
-    public PreparedDeleteByQuery deleteOldMangasCategories(List<Manga> mangas) {
-        List<Long> mangaIds = Observable.from(mangas)
-                .map(manga -> manga.id)
-                .toList().toBlocking().single();
-
-        return db.delete()
-                .byQuery(DeleteQuery.builder()
-                        .table(MangaCategoryTable.TABLE)
-                        .where(MangaCategoryTable.COLUMN_MANGA_ID + " IN ("
-                                + Queries.placeholders(mangas.size()) + ")")
-                        .whereArgs(mangaIds.toArray())
-                        .build())
-                .prepare();
-    }
-
-    public void setMangaCategories(List<MangaCategory> mangasCategories, List<Manga> mangas) {
-        db.internal().beginTransaction();
-        try {
-            deleteOldMangasCategories(mangas).executeAsBlocking();
-            insertMangasCategories(mangasCategories).executeAsBlocking();
-            db.internal().setTransactionSuccessful();
-        } finally {
-            db.internal().endTransaction();
-        }
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt
@ -0,0 +1,36 @@
+package eu.kanade.tachiyomi.data.database
+
+import android.arch.persistence.db.SupportSQLiteOpenHelper
+import android.content.Context
+import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
+import eu.kanade.tachiyomi.data.database.mappers.*
+import eu.kanade.tachiyomi.data.database.models.*
+import eu.kanade.tachiyomi.data.database.queries.*
+import io.requery.android.database.sqlite.RequerySQLiteOpenHelperFactory
+
+/**
+ * This class provides operations to manage the database through its interfaces.
+ */
+open class DatabaseHelper(context: Context)
+: MangaQueries, ChapterQueries, TrackQueries, CategoryQueries, MangaCategoryQueries, HistoryQueries {
+
+    private val configuration = SupportSQLiteOpenHelper.Configuration.builder(context)
+        .name(DbOpenCallback.DATABASE_NAME)
+        .callback(DbOpenCallback())
+        .build()
+
+    override val db = DefaultStorIOSQLite.builder()
+            .sqliteOpenHelper(RequerySQLiteOpenHelperFactory().create(configuration))
+            .addTypeMapping(Manga::class.java, MangaTypeMapping())
+            .addTypeMapping(Chapter::class.java, ChapterTypeMapping())
+            .addTypeMapping(Track::class.java, TrackTypeMapping())
+            .addTypeMapping(Category::class.java, CategoryTypeMapping())
+            .addTypeMapping(MangaCategory::class.java, MangaCategoryTypeMapping())
+            .addTypeMapping(History::class.java, HistoryTypeMapping())
+            .build()
+
+    inline fun inTransaction(block: () -> Unit) = db.inTransaction(block)
+
+    fun lowLevel() = db.lowLevel()
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbExtensions.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbExtensions.kt
@ -0,0 +1,25 @@
+package eu.kanade.tachiyomi.data.database
+
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+
+inline fun StorIOSQLite.inTransaction(block: () -> Unit) {
+    lowLevel().beginTransaction()
+    try {
+        block()
+        lowLevel().setTransactionSuccessful()
+    } finally {
+        lowLevel().endTransaction()
+    }
+}
+
+inline fun <T> StorIOSQLite.inTransactionReturn(block: () -> T): T {
+    lowLevel().beginTransaction()
+    try {
+        val result = block()
+        lowLevel().setTransactionSuccessful()
+        return result
+    } finally {
+        lowLevel().endTransaction()
+    }
+}
+
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt
@ -0,0 +1,76 @@
+package eu.kanade.tachiyomi.data.database
+
+import android.arch.persistence.db.SupportSQLiteDatabase
+import android.arch.persistence.db.SupportSQLiteOpenHelper
+import android.content.Context
+import android.database.sqlite.SQLiteDatabase
+import android.database.sqlite.SQLiteOpenHelper
+import eu.kanade.tachiyomi.data.database.tables.*
+
+class DbOpenCallback : SupportSQLiteOpenHelper.Callback(DATABASE_VERSION) {
+
+    companion object {
+        /**
+         * Name of the database file.
+         */
+        const val DATABASE_NAME = "tachiyomi.db"
+
+        /**
+         * Version of the database.
+         */
+        const val DATABASE_VERSION = 8
+    }
+
+    override fun onCreate(db: SupportSQLiteDatabase) = with(db) {
+        execSQL(MangaTable.createTableQuery)
+        execSQL(ChapterTable.createTableQuery)
+        execSQL(TrackTable.createTableQuery)
+        execSQL(CategoryTable.createTableQuery)
+        execSQL(MangaCategoryTable.createTableQuery)
+        execSQL(HistoryTable.createTableQuery)
+
+        // DB indexes
+        execSQL(MangaTable.createUrlIndexQuery)
+        execSQL(MangaTable.createLibraryIndexQuery)
+        execSQL(ChapterTable.createMangaIdIndexQuery)
+        execSQL(ChapterTable.createUnreadChaptersIndexQuery)
+        execSQL(HistoryTable.createChapterIdIndexQuery)
+    }
+
+    override fun onUpgrade(db: SupportSQLiteDatabase, oldVersion: Int, newVersion: Int) {
+        if (oldVersion < 2) {
+            db.execSQL(ChapterTable.sourceOrderUpdateQuery)
+
+            // Fix kissmanga covers after supporting cloudflare
+            db.execSQL("""UPDATE mangas SET thumbnail_url =
+                    REPLACE(thumbnail_url, '93.174.95.110', 'kissmanga.com') WHERE source = 4""")
+        }
+        if (oldVersion < 3) {
+            // Initialize history tables
+            db.execSQL(HistoryTable.createTableQuery)
+            db.execSQL(HistoryTable.createChapterIdIndexQuery)
+        }
+        if (oldVersion < 4) {
+            db.execSQL(ChapterTable.bookmarkUpdateQuery)
+        }
+        if (oldVersion < 5) {
+            db.execSQL(ChapterTable.addScanlator)
+        }
+        if (oldVersion < 6) {
+            db.execSQL(TrackTable.addTrackingUrl)
+        }
+        if (oldVersion < 7) {
+            db.execSQL(TrackTable.addLibraryId)
+        }
+        if (oldVersion < 8) {
+            db.execSQL("DROP INDEX IF EXISTS mangas_favorite_index")
+            db.execSQL(MangaTable.createLibraryIndexQuery)
+            db.execSQL(ChapterTable.createUnreadChaptersIndexQuery)
+        }
+    }
+
+    override fun onConfigure(db: SupportSQLiteDatabase) {
+        db.setForeignKeyConstraintsEnabled(true)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenHelper.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenHelper.java
@ -1,47 +0,0 @@
-package eu.kanade.tachiyomi.data.database;
-
-import android.content.Context;
-import android.database.sqlite.SQLiteDatabase;
-import android.database.sqlite.SQLiteOpenHelper;
-import android.support.annotation.NonNull;
-
-import eu.kanade.tachiyomi.data.database.tables.CategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaSyncTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-
-public class DbOpenHelper extends SQLiteOpenHelper {
-
-    public static final String DATABASE_NAME = "tachiyomi.db";
-    public static final int DATABASE_VERSION = 1;
-
-    public DbOpenHelper(@NonNull Context context) {
-        super(context, DATABASE_NAME, null, DATABASE_VERSION);
-    }
-
-    @Override
-    public void onCreate(@NonNull SQLiteDatabase db) {
-        db.execSQL(MangaTable.getCreateTableQuery());
-        db.execSQL(ChapterTable.getCreateTableQuery());
-        db.execSQL(MangaSyncTable.getCreateTableQuery());
-        db.execSQL(CategoryTable.getCreateTableQuery());
-        db.execSQL(MangaCategoryTable.getCreateTableQuery());
-
-        // DB indexes
-        db.execSQL(MangaTable.getCreateUrlIndexQuery());
-        db.execSQL(MangaTable.getCreateFavoriteIndexQuery());
-        db.execSQL(ChapterTable.getCreateMangaIdIndexQuery());
-    }
-
-    @Override
-    public void onUpgrade(@NonNull SQLiteDatabase db, int oldVersion, int newVersion) {
-
-    }
-
-    @Override
-    public void onConfigure(@NonNull SQLiteDatabase db) {
-        db.setForeignKeyConstraintsEnabled(true);
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/DbProvider.kt
@ -0,0 +1,9 @@
+package eu.kanade.tachiyomi.data.database
+
+import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
+
+interface DbProvider {
+
+    val db: DefaultStorIOSQLite
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/CategoryTypeMapping.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/CategoryTypeMapping.kt
@ -0,0 +1,63 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.CategoryImpl
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_FLAGS
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_NAME
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.COL_ORDER
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable.TABLE
+
+class CategoryTypeMapping : SQLiteTypeMapping<Category>(
+        CategoryPutResolver(),
+        CategoryGetResolver(),
+        CategoryDeleteResolver()
+)
+
+class CategoryPutResolver : DefaultPutResolver<Category>() {
+
+    override fun mapToInsertQuery(obj: Category) = InsertQuery.builder()
+            .table(TABLE)
+            .build()
+
+    override fun mapToUpdateQuery(obj: Category) = UpdateQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+
+    override fun mapToContentValues(obj: Category) = ContentValues(4).apply {
+        put(COL_ID, obj.id)
+        put(COL_NAME, obj.name)
+        put(COL_ORDER, obj.order)
+        put(COL_FLAGS, obj.flags)
+    }
+}
+
+class CategoryGetResolver : DefaultGetResolver<Category>() {
+
+    override fun mapFromCursor(cursor: Cursor): Category = CategoryImpl().apply {
+        id = cursor.getInt(cursor.getColumnIndex(COL_ID))
+        name = cursor.getString(cursor.getColumnIndex(COL_NAME))
+        order = cursor.getInt(cursor.getColumnIndex(COL_ORDER))
+        flags = cursor.getInt(cursor.getColumnIndex(COL_FLAGS))
+    }
+}
+
+class CategoryDeleteResolver : DefaultDeleteResolver<Category>() {
+
+    override fun mapToDeleteQuery(obj: Category) = DeleteQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/ChapterTypeMapping.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/ChapterTypeMapping.kt
@ -0,0 +1,88 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.ChapterImpl
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_BOOKMARK
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_CHAPTER_NUMBER
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_DATE_FETCH
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_DATE_UPLOAD
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_LAST_PAGE_READ
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_MANGA_ID
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_NAME
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_READ
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_SCANLATOR
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_SOURCE_ORDER
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.COL_URL
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable.TABLE
+
+class ChapterTypeMapping : SQLiteTypeMapping<Chapter>(
+        ChapterPutResolver(),
+        ChapterGetResolver(),
+        ChapterDeleteResolver()
+)
+
+class ChapterPutResolver : DefaultPutResolver<Chapter>() {
+
+    override fun mapToInsertQuery(obj: Chapter) = InsertQuery.builder()
+            .table(TABLE)
+            .build()
+
+    override fun mapToUpdateQuery(obj: Chapter) = UpdateQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+
+    override fun mapToContentValues(obj: Chapter) = ContentValues(11).apply {
+        put(COL_ID, obj.id)
+        put(COL_MANGA_ID, obj.manga_id)
+        put(COL_URL, obj.url)
+        put(COL_NAME, obj.name)
+        put(COL_READ, obj.read)
+        put(COL_SCANLATOR, obj.scanlator)
+        put(COL_BOOKMARK, obj.bookmark)
+        put(COL_DATE_FETCH, obj.date_fetch)
+        put(COL_DATE_UPLOAD, obj.date_upload)
+        put(COL_LAST_PAGE_READ, obj.last_page_read)
+        put(COL_CHAPTER_NUMBER, obj.chapter_number)
+        put(COL_SOURCE_ORDER, obj.source_order)
+    }
+}
+
+class ChapterGetResolver : DefaultGetResolver<Chapter>() {
+
+    override fun mapFromCursor(cursor: Cursor): Chapter = ChapterImpl().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        manga_id = cursor.getLong(cursor.getColumnIndex(COL_MANGA_ID))
+        url = cursor.getString(cursor.getColumnIndex(COL_URL))
+        name = cursor.getString(cursor.getColumnIndex(COL_NAME))
+        scanlator = cursor.getString(cursor.getColumnIndex(COL_SCANLATOR))
+        read = cursor.getInt(cursor.getColumnIndex(COL_READ)) == 1
+        bookmark = cursor.getInt(cursor.getColumnIndex(COL_BOOKMARK)) == 1
+        date_fetch = cursor.getLong(cursor.getColumnIndex(COL_DATE_FETCH))
+        date_upload = cursor.getLong(cursor.getColumnIndex(COL_DATE_UPLOAD))
+        last_page_read = cursor.getInt(cursor.getColumnIndex(COL_LAST_PAGE_READ))
+        chapter_number = cursor.getFloat(cursor.getColumnIndex(COL_CHAPTER_NUMBER))
+        source_order = cursor.getInt(cursor.getColumnIndex(COL_SOURCE_ORDER))
+    }
+}
+
+class ChapterDeleteResolver : DefaultDeleteResolver<Chapter>() {
+
+    override fun mapToDeleteQuery(obj: Chapter) = DeleteQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+}
+
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/HistoryTypeMapping.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/HistoryTypeMapping.kt
@ -0,0 +1,63 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.HistoryImpl
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_CHAPTER_ID
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_LAST_READ
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.COL_TIME_READ
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable.TABLE
+
+class HistoryTypeMapping : SQLiteTypeMapping<History>(
+        HistoryPutResolver(),
+        HistoryGetResolver(),
+        HistoryDeleteResolver()
+)
+
+open class HistoryPutResolver : DefaultPutResolver<History>() {
+
+    override fun mapToInsertQuery(obj: History) = InsertQuery.builder()
+            .table(TABLE)
+            .build()
+
+    override fun mapToUpdateQuery(obj: History) = UpdateQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+
+    override fun mapToContentValues(obj: History) = ContentValues(4).apply {
+        put(COL_ID, obj.id)
+        put(COL_CHAPTER_ID, obj.chapter_id)
+        put(COL_LAST_READ, obj.last_read)
+        put(COL_TIME_READ, obj.time_read)
+    }
+}
+
+class HistoryGetResolver : DefaultGetResolver<History>() {
+
+    override fun mapFromCursor(cursor: Cursor): History = HistoryImpl().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        chapter_id = cursor.getLong(cursor.getColumnIndex(COL_CHAPTER_ID))
+        last_read = cursor.getLong(cursor.getColumnIndex(COL_LAST_READ))
+        time_read = cursor.getLong(cursor.getColumnIndex(COL_TIME_READ))
+    }
+}
+
+class HistoryDeleteResolver : DefaultDeleteResolver<History>() {
+
+    override fun mapToDeleteQuery(obj: History) = DeleteQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaCategoryTypeMapping.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaCategoryTypeMapping.kt
@ -0,0 +1,59 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_CATEGORY_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.COL_MANGA_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable.TABLE
+
+class MangaCategoryTypeMapping : SQLiteTypeMapping<MangaCategory>(
+        MangaCategoryPutResolver(),
+        MangaCategoryGetResolver(),
+        MangaCategoryDeleteResolver()
+)
+
+class MangaCategoryPutResolver : DefaultPutResolver<MangaCategory>() {
+
+    override fun mapToInsertQuery(obj: MangaCategory) = InsertQuery.builder()
+            .table(TABLE)
+            .build()
+
+    override fun mapToUpdateQuery(obj: MangaCategory) = UpdateQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+
+    override fun mapToContentValues(obj: MangaCategory) = ContentValues(3).apply {
+        put(COL_ID, obj.id)
+        put(COL_MANGA_ID, obj.manga_id)
+        put(COL_CATEGORY_ID, obj.category_id)
+    }
+}
+
+class MangaCategoryGetResolver : DefaultGetResolver<MangaCategory>() {
+
+    override fun mapFromCursor(cursor: Cursor): MangaCategory = MangaCategory().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        manga_id = cursor.getLong(cursor.getColumnIndex(COL_MANGA_ID))
+        category_id = cursor.getInt(cursor.getColumnIndex(COL_CATEGORY_ID))
+    }
+}
+
+class MangaCategoryDeleteResolver : DefaultDeleteResolver<MangaCategory>() {
+
+    override fun mapToDeleteQuery(obj: MangaCategory) = DeleteQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaTypeMapping.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/MangaTypeMapping.kt
@ -0,0 +1,102 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaImpl
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_ARTIST
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_AUTHOR
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_CHAPTER_FLAGS
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_DESCRIPTION
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_FAVORITE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_GENRE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_INITIALIZED
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_LAST_UPDATE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_SOURCE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_STATUS
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_THUMBNAIL_URL
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_TITLE
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_URL
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.COL_VIEWER
+import eu.kanade.tachiyomi.data.database.tables.MangaTable.TABLE
+
+class MangaTypeMapping : SQLiteTypeMapping<Manga>(
+        MangaPutResolver(),
+        MangaGetResolver(),
+        MangaDeleteResolver()
+)
+
+class MangaPutResolver : DefaultPutResolver<Manga>() {
+
+    override fun mapToInsertQuery(obj: Manga) = InsertQuery.builder()
+            .table(TABLE)
+            .build()
+
+    override fun mapToUpdateQuery(obj: Manga) = UpdateQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+
+    override fun mapToContentValues(obj: Manga) = ContentValues(15).apply {
+        put(COL_ID, obj.id)
+        put(COL_SOURCE, obj.source)
+        put(COL_URL, obj.url)
+        put(COL_ARTIST, obj.artist)
+        put(COL_AUTHOR, obj.author)
+        put(COL_DESCRIPTION, obj.description)
+        put(COL_GENRE, obj.genre)
+        put(COL_TITLE, obj.title)
+        put(COL_STATUS, obj.status)
+        put(COL_THUMBNAIL_URL, obj.thumbnail_url)
+        put(COL_FAVORITE, obj.favorite)
+        put(COL_LAST_UPDATE, obj.last_update)
+        put(COL_INITIALIZED, obj.initialized)
+        put(COL_VIEWER, obj.viewer)
+        put(COL_CHAPTER_FLAGS, obj.chapter_flags)
+    }
+}
+
+interface BaseMangaGetResolver {
+    fun mapBaseFromCursor(manga: Manga, cursor: Cursor) = manga.apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        source = cursor.getLong(cursor.getColumnIndex(COL_SOURCE))
+        url = cursor.getString(cursor.getColumnIndex(COL_URL))
+        artist = cursor.getString(cursor.getColumnIndex(COL_ARTIST))
+        author = cursor.getString(cursor.getColumnIndex(COL_AUTHOR))
+        description = cursor.getString(cursor.getColumnIndex(COL_DESCRIPTION))
+        genre = cursor.getString(cursor.getColumnIndex(COL_GENRE))
+        title = cursor.getString(cursor.getColumnIndex(COL_TITLE))
+        status = cursor.getInt(cursor.getColumnIndex(COL_STATUS))
+        thumbnail_url = cursor.getString(cursor.getColumnIndex(COL_THUMBNAIL_URL))
+        favorite = cursor.getInt(cursor.getColumnIndex(COL_FAVORITE)) == 1
+        last_update = cursor.getLong(cursor.getColumnIndex(COL_LAST_UPDATE))
+        initialized = cursor.getInt(cursor.getColumnIndex(COL_INITIALIZED)) == 1
+        viewer = cursor.getInt(cursor.getColumnIndex(COL_VIEWER))
+        chapter_flags = cursor.getInt(cursor.getColumnIndex(COL_CHAPTER_FLAGS))
+    }
+}
+
+open class MangaGetResolver : DefaultGetResolver<Manga>(), BaseMangaGetResolver {
+
+    override fun mapFromCursor(cursor: Cursor): Manga {
+        return mapBaseFromCursor(MangaImpl(), cursor)
+    }
+}
+
+class MangaDeleteResolver : DefaultDeleteResolver<Manga>() {
+
+    override fun mapToDeleteQuery(obj: Manga) = DeleteQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/TrackTypeMapping.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/mappers/TrackTypeMapping.kt
@ -0,0 +1,85 @@
+package eu.kanade.tachiyomi.data.database.mappers
+
+import android.content.ContentValues
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.SQLiteTypeMapping
+import com.pushtorefresh.storio.sqlite.operations.delete.DefaultDeleteResolver
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import com.pushtorefresh.storio.sqlite.operations.put.DefaultPutResolver
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.InsertQuery
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.models.TrackImpl
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_LAST_CHAPTER_READ
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_LIBRARY_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_MANGA_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_MEDIA_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_SCORE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_STATUS
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_SYNC_ID
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TITLE
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TOTAL_CHAPTERS
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.COL_TRACKING_URL
+import eu.kanade.tachiyomi.data.database.tables.TrackTable.TABLE
+
+class TrackTypeMapping : SQLiteTypeMapping<Track>(
+        TrackPutResolver(),
+        TrackGetResolver(),
+        TrackDeleteResolver()
+)
+
+class TrackPutResolver : DefaultPutResolver<Track>() {
+
+    override fun mapToInsertQuery(obj: Track) = InsertQuery.builder()
+            .table(TABLE)
+            .build()
+
+    override fun mapToUpdateQuery(obj: Track) = UpdateQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+
+    override fun mapToContentValues(obj: Track) = ContentValues(10).apply {
+        put(COL_ID, obj.id)
+        put(COL_MANGA_ID, obj.manga_id)
+        put(COL_SYNC_ID, obj.sync_id)
+        put(COL_MEDIA_ID, obj.media_id)
+        put(COL_LIBRARY_ID, obj.library_id)
+        put(COL_TITLE, obj.title)
+        put(COL_LAST_CHAPTER_READ, obj.last_chapter_read)
+        put(COL_TOTAL_CHAPTERS, obj.total_chapters)
+        put(COL_STATUS, obj.status)
+        put(COL_TRACKING_URL, obj.tracking_url)
+        put(COL_SCORE, obj.score)
+
+    }
+}
+
+class TrackGetResolver : DefaultGetResolver<Track>() {
+
+    override fun mapFromCursor(cursor: Cursor): Track = TrackImpl().apply {
+        id = cursor.getLong(cursor.getColumnIndex(COL_ID))
+        manga_id = cursor.getLong(cursor.getColumnIndex(COL_MANGA_ID))
+        sync_id = cursor.getInt(cursor.getColumnIndex(COL_SYNC_ID))
+        media_id = cursor.getInt(cursor.getColumnIndex(COL_MEDIA_ID))
+        library_id = cursor.getLong(cursor.getColumnIndex(COL_LIBRARY_ID))
+        title = cursor.getString(cursor.getColumnIndex(COL_TITLE))
+        last_chapter_read = cursor.getInt(cursor.getColumnIndex(COL_LAST_CHAPTER_READ))
+        total_chapters = cursor.getInt(cursor.getColumnIndex(COL_TOTAL_CHAPTERS))
+        status = cursor.getInt(cursor.getColumnIndex(COL_STATUS))
+        score = cursor.getFloat(cursor.getColumnIndex(COL_SCORE))
+        tracking_url = cursor.getString(cursor.getColumnIndex(COL_TRACKING_URL))
+    }
+}
+
+class TrackDeleteResolver : DefaultDeleteResolver<Track>() {
+
+    override fun mapToDeleteQuery(obj: Track) = DeleteQuery.builder()
+            .table(TABLE)
+            .where("$COL_ID = ?")
+            .whereArgs(obj.id)
+            .build()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.java
@ -1,38 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.data.database.tables.CategoryTable;
-
-@StorIOSQLiteType(table = CategoryTable.TABLE)
-public class Category implements Serializable {
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_ID, key = true)
-    public Integer id;
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_NAME)
-    public String name;
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_ORDER)
-    public int order;
-
-    @StorIOSQLiteColumn(name = CategoryTable.COLUMN_FLAGS)
-    public int flags;
-
-    public Category() {}
-
-    public static Category create(String name) {
-        Category c = new Category();
-        c.name = name;
-        return c;
-    }
-
-    public static Category createDefault() {
-        Category c = create("Default");
-        c.id = 0;
-        return c;
-    }
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Category.kt
@ -0,0 +1,27 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import java.io.Serializable
+
+interface Category : Serializable {
+
+    var id: Int?
+
+    var name: String
+
+    var order: Int
+
+    var flags: Int
+
+    val nameLower: String
+        get() = name.toLowerCase()
+
+    companion object {
+
+        fun create(name: String): Category = CategoryImpl().apply {
+            this.name = name
+        }
+
+        fun createDefault(): Category = create("Default").apply { id = 0 }
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/CategoryImpl.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/CategoryImpl.kt
@ -0,0 +1,26 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class CategoryImpl : Category {
+
+    override var id: Int? = null
+
+    override lateinit var name: String
+
+    override var order: Int = 0
+
+    override var flags: Int = 0
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        val category = other as Category
+
+        return name == category.name
+    }
+
+    override fun hashCode(): Int {
+        return name.hashCode()
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.java
@ -1,71 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.util.UrlUtil;
-
-@StorIOSQLiteType(table = ChapterTable.TABLE)
-public class Chapter implements Serializable {
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_MANGA_ID)
-    public Long manga_id;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_URL)
-    public String url;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_NAME)
-    public String name;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_READ)
-    public boolean read;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_LAST_PAGE_READ)
-    public int last_page_read;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_DATE_FETCH)
-    public long date_fetch;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_DATE_UPLOAD)
-    public long date_upload;
-
-    @StorIOSQLiteColumn(name = ChapterTable.COLUMN_CHAPTER_NUMBER)
-    public float chapter_number;
-
-    public int status;
-
-    public Chapter() {}
-
-    public void setUrl(String url) {
-        this.url = UrlUtil.getPath(url);
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        Chapter chapter = (Chapter) o;
-
-        return url.equals(chapter.url);
-
-    }
-
-    @Override
-    public int hashCode() {
-        return url.hashCode();
-    }
-
-    public static Chapter create() {
-        Chapter chapter = new Chapter();
-        chapter.chapter_number = -1;
-        return chapter;
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Chapter.kt
@ -0,0 +1,31 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import eu.kanade.tachiyomi.source.model.SChapter
+import java.io.Serializable
+
+interface Chapter : SChapter, Serializable {
+
+    var id: Long?
+
+    var manga_id: Long?
+
+    var read: Boolean
+
+    var bookmark: Boolean
+
+    var last_page_read: Int
+
+    var date_fetch: Long
+
+    var source_order: Int
+
+    val isRecognizedNumber: Boolean
+        get() = chapter_number >= 0f
+
+    companion object {
+
+        fun create(): Chapter = ChapterImpl().apply {
+            chapter_number = -1f
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/ChapterImpl.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/ChapterImpl.kt
@ -0,0 +1,41 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class ChapterImpl : Chapter {
+
+    override var id: Long? = null
+
+    override var manga_id: Long? = null
+
+    override lateinit var url: String
+
+    override lateinit var name: String
+
+    override var scanlator: String? = null
+
+    override var read: Boolean = false
+
+    override var bookmark: Boolean = false
+
+    override var last_page_read: Int = 0
+
+    override var date_fetch: Long = 0
+
+    override var date_upload: Long = 0
+
+    override var chapter_number: Float = 0f
+
+    override var source_order: Int = 0
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        val chapter = other as Chapter
+        return url == chapter.url
+    }
+
+    override fun hashCode(): Int {
+        return url.hashCode()
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/History.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/History.kt
@ -0,0 +1,42 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import java.io.Serializable
+
+/**
+ * Object containing the history statistics of a chapter
+ */
+interface History : Serializable {
+
+    /**
+     * Id of history object.
+     */
+    var id: Long?
+
+    /**
+     * Chapter id of history object.
+     */
+    var chapter_id: Long
+
+    /**
+     * Last time chapter was read in time long format
+     */
+    var last_read: Long
+
+    /**
+     * Total time chapter was read - todo not yet implemented
+     */
+    var time_read: Long
+
+    companion object {
+
+        /**
+         * History constructor
+         *
+         * @param chapter chapter object
+         * @return history object
+         */
+        fun create(chapter: Chapter): History =  HistoryImpl().apply {
+            this.chapter_id = chapter.id!!
+        }
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/HistoryImpl.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/HistoryImpl.kt
@ -0,0 +1,27 @@
+package eu.kanade.tachiyomi.data.database.models
+
+/**
+ * Object containing the history statistics of a chapter
+ */
+class HistoryImpl : History {
+
+    /**
+     * Id of history object.
+     */
+    override var id: Long? = null
+
+    /**
+     * Chapter id of history object.
+     */
+    override var chapter_id: Long = 0
+
+    /**
+     * Last time chapter was read in time long format
+     */
+    override var last_read: Long = 0
+
+    /**
+     * Total time chapter was read - todo not yet implemented
+     */
+    override var time_read: Long = 0
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/LibraryManga.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/LibraryManga.kt
@ -0,0 +1,9 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class LibraryManga : MangaImpl() {
+
+    var unread: Int = 0
+
+    var category: Int = 0
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.java
@ -1,154 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import android.content.Context;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.R;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-import eu.kanade.tachiyomi.util.UrlUtil;
-
-@StorIOSQLiteType(table = MangaTable.TABLE)
-public class Manga implements Serializable {
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_SOURCE)
-    public int source;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_URL)
-    public String url;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_ARTIST)
-    public String artist;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_AUTHOR)
-    public String author;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_DESCRIPTION)
-    public String description;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_GENRE)
-    public String genre;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_TITLE)
-    public String title;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_STATUS)
-    public int status;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_THUMBNAIL_URL)
-    public String thumbnail_url;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_FAVORITE)
-    public boolean favorite;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_LAST_UPDATE)
-    public long last_update;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_INITIALIZED)
-    public boolean initialized;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_VIEWER)
-    public int viewer;
-
-    @StorIOSQLiteColumn(name = MangaTable.COLUMN_CHAPTER_FLAGS)
-    public int chapter_flags;
-
-    public int unread;
-
-    public int category;
-
-    public static final int UNKNOWN = 0;
-    public static final int ONGOING = 1;
-    public static final int COMPLETED = 2;
-    public static final int LICENSED = 3;
-
-    public static final int SORT_AZ = 0;
-    public static final int SORT_ZA = 1;
-    public static final int SORT_MASK = 1;
-
-    public Manga() {}
-
-    public static Manga create(String pathUrl) {
-        Manga m = new Manga();
-        m.url = pathUrl;
-        return m;
-    }
-
-    public void setUrl(String url) {
-        this.url = UrlUtil.getPath(url);
-    }
-
-    public void copyFrom(Manga other) {
-        if (other.title != null)
-            title = other.title;
-
-        if (other.author != null)
-            author = other.author;
-
-        if (other.artist != null)
-            artist = other.artist;
-
-        if (other.url != null)
-            url = other.url;
-
-        if (other.description != null)
-            description = other.description;
-
-        if (other.genre != null)
-            genre = other.genre;
-
-        if (other.thumbnail_url != null)
-            thumbnail_url = other.thumbnail_url;
-
-        status = other.status;
-
-        initialized = true;
-    }
-
-    public String getStatus(Context context) {
-        switch (status) {
-            case ONGOING:
-                return context.getString(R.string.ongoing);
-            case COMPLETED:
-                return context.getString(R.string.completed);
-            case LICENSED:
-                return context.getString(R.string.licensed);
-            default:
-                return context.getString(R.string.unknown);
-        }
-    }
-
-    public void setFlags(int flag, int mask) {
-        chapter_flags = (chapter_flags & ~mask) | (flag & mask);
-    }
-
-    public boolean sortChaptersAZ () {
-        return (this.chapter_flags & SORT_MASK) == SORT_AZ;
-    }
-
-    public void setChapterOrder(int order) {
-        setFlags(order, SORT_MASK);
-    }
-
-    @Override
-    public boolean equals(Object o) {
-        if (this == o) return true;
-        if (o == null || getClass() != o.getClass()) return false;
-
-        Manga manga = (Manga) o;
-
-        return url.equals(manga.url);
-
-    }
-
-    @Override
-    public int hashCode() {
-        return url.hashCode();
-    }
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Manga.kt
@ -0,0 +1,92 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import eu.kanade.tachiyomi.source.model.SManga
+
+interface Manga : SManga {
+
+    var id: Long?
+
+    var source: Long
+
+    var favorite: Boolean
+
+    var last_update: Long
+
+    var viewer: Int
+
+    var chapter_flags: Int
+
+    fun setChapterOrder(order: Int) {
+        setFlags(order, SORT_MASK)
+    }
+
+    private fun setFlags(flag: Int, mask: Int) {
+        chapter_flags = chapter_flags and mask.inv() or (flag and mask)
+    }
+
+    fun sortDescending(): Boolean {
+        return chapter_flags and SORT_MASK == SORT_DESC
+    }
+
+    // Used to display the chapter's title one way or another
+    var displayMode: Int
+        get() = chapter_flags and DISPLAY_MASK
+        set(mode) = setFlags(mode, DISPLAY_MASK)
+
+    var readFilter: Int
+        get() = chapter_flags and READ_MASK
+        set(filter) = setFlags(filter, READ_MASK)
+
+    var downloadedFilter: Int
+        get() = chapter_flags and DOWNLOADED_MASK
+        set(filter) = setFlags(filter, DOWNLOADED_MASK)
+
+    var bookmarkedFilter: Int
+        get() = chapter_flags and BOOKMARKED_MASK
+        set(filter) = setFlags(filter, BOOKMARKED_MASK)
+
+    var sorting: Int
+        get() = chapter_flags and SORTING_MASK
+        set(sort) = setFlags(sort, SORTING_MASK)
+
+    companion object {
+
+        const val SORT_DESC = 0x00000000
+        const val SORT_ASC = 0x00000001
+        const val SORT_MASK = 0x00000001
+
+        // Generic filter that does not filter anything
+        const val SHOW_ALL = 0x00000000
+
+        const val SHOW_UNREAD = 0x00000002
+        const val SHOW_READ = 0x00000004
+        const val READ_MASK = 0x00000006
+
+        const val SHOW_DOWNLOADED = 0x00000008
+        const val SHOW_NOT_DOWNLOADED = 0x00000010
+        const val DOWNLOADED_MASK = 0x00000018
+
+        const val SHOW_BOOKMARKED = 0x00000020
+        const val SHOW_NOT_BOOKMARKED = 0x00000040
+        const val BOOKMARKED_MASK = 0x00000060
+
+        const val SORTING_SOURCE = 0x00000000
+        const val SORTING_NUMBER = 0x00000100
+        const val SORTING_MASK = 0x00000100
+
+        const val DISPLAY_NAME = 0x00000000
+        const val DISPLAY_NUMBER = 0x00100000
+        const val DISPLAY_MASK = 0x00100000
+
+        fun create(source: Long): Manga = MangaImpl().apply {
+            this.source = source
+        }
+
+        fun create(pathUrl: String, title: String, source: Long = 0): Manga = MangaImpl().apply {
+            url = pathUrl
+            this.title = title
+            this.source = source
+        }
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.java
@ -1,29 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-
-@StorIOSQLiteType(table = MangaCategoryTable.TABLE)
-public class MangaCategory {
-
-    @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_MANGA_ID)
-    public long manga_id;
-
-    @StorIOSQLiteColumn(name = MangaCategoryTable.COLUMN_CATEGORY_ID)
-    public int category_id;
-
-    public MangaCategory() {}
-
-    public static MangaCategory create(Manga manga, Category category) {
-        MangaCategory mc = new MangaCategory();
-        mc.manga_id = manga.id;
-        mc.category_id = category.id;
-        return mc;
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaCategory.kt
@ -0,0 +1,21 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class MangaCategory {
+
+    var id: Long? = null
+
+    var manga_id: Long = 0
+
+    var category_id: Int = 0
+
+    companion object {
+
+        fun create(manga: Manga, category: Category): MangaCategory {
+            val mc = MangaCategory()
+            mc.manga_id = manga.id!!
+            mc.category_id = category.id!!
+            return mc
+        }
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapter.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapter.java
@ -1,12 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-public class MangaChapter {
-
-    public Manga manga;
-    public Chapter chapter;
-
-    public MangaChapter(Manga manga, Chapter chapter) {
-        this.manga = manga;
-        this.chapter = chapter;
-    }
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapter.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapter.kt
@ -0,0 +1,3 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class MangaChapter(val manga: Manga, val chapter: Chapter)
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapterHistory.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaChapterHistory.kt
@ -0,0 +1,10 @@
+package eu.kanade.tachiyomi.data.database.models
+
+/**
+ * Object containing manga, chapter and history
+ *
+ * @param manga object containing manga
+ * @param chapter object containing chater
+ * @param history      object containing history
+ */
+data class MangaChapterHistory(val manga: Manga, val chapter: Chapter, val history: History)
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaImpl.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaImpl.kt
@ -0,0 +1,49 @@
+package eu.kanade.tachiyomi.data.database.models
+
+open class MangaImpl : Manga {
+
+    override var id: Long? = null
+
+    override var source: Long = -1
+
+    override lateinit var url: String
+
+    override lateinit var title: String
+
+    override var artist: String? = null
+
+    override var author: String? = null
+
+    override var description: String? = null
+
+    override var genre: String? = null
+
+    override var status: Int = 0
+
+    override var thumbnail_url: String? = null
+
+    override var favorite: Boolean = false
+
+    override var last_update: Long = 0
+
+    override var initialized: Boolean = false
+
+    override var viewer: Int = 0
+
+    override var chapter_flags: Int = 0
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        val manga = other as Manga
+
+        return url == manga.url
+
+    }
+
+    override fun hashCode(): Int {
+        return url.hashCode()
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaSync.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/MangaSync.java
@ -1,55 +0,0 @@
-package eu.kanade.tachiyomi.data.database.models;
-
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteColumn;
-import com.pushtorefresh.storio.sqlite.annotations.StorIOSQLiteType;
-
-import java.io.Serializable;
-
-import eu.kanade.tachiyomi.data.database.tables.MangaSyncTable;
-import eu.kanade.tachiyomi.data.mangasync.base.MangaSyncService;
-
-@StorIOSQLiteType(table = MangaSyncTable.TABLE)
-public class MangaSync implements Serializable {
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_ID, key = true)
-    public Long id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_MANGA_ID)
-    public long manga_id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_SYNC_ID)
-    public int sync_id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_REMOTE_ID)
-    public int remote_id;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_TITLE)
-    public String title;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_LAST_CHAPTER_READ)
-    public int last_chapter_read;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_TOTAL_CHAPTERS)
-    public int total_chapters;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_SCORE)
-    public float score;
-
-    @StorIOSQLiteColumn(name = MangaSyncTable.COLUMN_STATUS)
-    public int status;
-
-    public boolean update;
-
-    public static MangaSync create(MangaSyncService service) {
-        MangaSync mangasync = new MangaSync();
-        mangasync.sync_id = service.getId();
-        return mangasync;
-    }
-
-    public void copyPersonalFrom(MangaSync other) {
-        last_chapter_read = other.last_chapter_read;
-        score = other.score;
-        status = other.status;
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Track.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/Track.kt
@ -0,0 +1,41 @@
+package eu.kanade.tachiyomi.data.database.models
+
+import java.io.Serializable
+
+interface Track : Serializable {
+
+    var id: Long?
+
+    var manga_id: Long
+
+    var sync_id: Int
+
+    var media_id: Int
+
+    var library_id: Long?
+
+    var title: String
+
+    var last_chapter_read: Int
+
+    var total_chapters: Int
+
+    var score: Float
+
+    var status: Int
+
+    var tracking_url: String
+
+    fun copyPersonalFrom(other: Track) {
+        last_chapter_read = other.last_chapter_read
+        score = other.score
+        status = other.status
+    }
+
+    companion object {
+        fun create(serviceId: Int): Track = TrackImpl().apply {
+            sync_id = serviceId
+        }
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/models/TrackImpl.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/models/TrackImpl.kt
@ -0,0 +1,45 @@
+package eu.kanade.tachiyomi.data.database.models
+
+class TrackImpl : Track {
+
+    override var id: Long? = null
+
+    override var manga_id: Long = 0
+
+    override var sync_id: Int = 0
+
+    override var media_id: Int = 0
+
+    override var library_id: Long? = null
+
+    override lateinit var title: String
+
+    override var last_chapter_read: Int = 0
+
+    override var total_chapters: Int = 0
+
+    override var score: Float = 0f
+
+    override var status: Int = 0
+
+    override var tracking_url: String = ""
+
+    override fun equals(other: Any?): Boolean {
+        if (this === other) return true
+        if (other == null || javaClass != other.javaClass) return false
+
+        other as Track
+
+        if (manga_id != other.manga_id) return false
+        if (sync_id != other.sync_id) return false
+        return media_id == other.media_id
+    }
+
+    override fun hashCode(): Int {
+        var result = (manga_id xor manga_id.ushr(32)).toInt()
+        result = 31 * result + sync_id
+        result = 31 * result + media_id
+        return result
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/CategoryQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/CategoryQueries.kt
@ -0,0 +1,36 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Category
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable
+
+interface CategoryQueries : DbProvider {
+
+    fun getCategories() = db.get()
+            .listOfObjects(Category::class.java)
+            .withQuery(Query.builder()
+                    .table(CategoryTable.TABLE)
+                    .orderBy(CategoryTable.COL_ORDER)
+                    .build())
+            .prepare()
+
+    fun getCategoriesForManga(manga: Manga) = db.get()
+            .listOfObjects(Category::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getCategoriesForMangaQuery())
+                    .args(manga.id)
+                    .build())
+            .prepare()
+
+    fun insertCategory(category: Category) = db.put().`object`(category).prepare()
+
+    fun insertCategories(categories: List<Category>) = db.put().objects(categories).prepare()
+
+    fun deleteCategory(category: Category) = db.delete().`object`(category).prepare()
+
+    fun deleteCategories(categories: List<Category>) = db.delete().objects(categories).prepare()
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/ChapterQueries.kt
@ -0,0 +1,84 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaChapter
+import eu.kanade.tachiyomi.data.database.resolvers.ChapterBackupPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.ChapterProgressPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.ChapterSourceOrderPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterGetResolver
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+import java.util.*
+
+interface ChapterQueries : DbProvider {
+
+    fun getChapters(manga: Manga) = db.get()
+            .listOfObjects(Chapter::class.java)
+            .withQuery(Query.builder()
+                    .table(ChapterTable.TABLE)
+                    .where("${ChapterTable.COL_MANGA_ID} = ?")
+                    .whereArgs(manga.id)
+                    .build())
+            .prepare()
+
+    fun getRecentChapters(date: Date) = db.get()
+            .listOfObjects(MangaChapter::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getRecentsQuery())
+                    .args(date.time)
+                    .observesTables(ChapterTable.TABLE)
+                    .build())
+            .withGetResolver(MangaChapterGetResolver.INSTANCE)
+            .prepare()
+
+    fun getChapter(id: Long) = db.get()
+            .`object`(Chapter::class.java)
+            .withQuery(Query.builder()
+                    .table(ChapterTable.TABLE)
+                    .where("${ChapterTable.COL_ID} = ?")
+                    .whereArgs(id)
+                    .build())
+            .prepare()
+
+    fun getChapter(url: String) = db.get()
+            .`object`(Chapter::class.java)
+            .withQuery(Query.builder()
+                    .table(ChapterTable.TABLE)
+                    .where("${ChapterTable.COL_URL} = ?")
+                    .whereArgs(url)
+                    .build())
+            .prepare()
+
+
+    fun insertChapter(chapter: Chapter) = db.put().`object`(chapter).prepare()
+
+    fun insertChapters(chapters: List<Chapter>) = db.put().objects(chapters).prepare()
+
+    fun deleteChapter(chapter: Chapter) = db.delete().`object`(chapter).prepare()
+
+    fun deleteChapters(chapters: List<Chapter>) = db.delete().objects(chapters).prepare()
+
+    fun updateChaptersBackup(chapters: List<Chapter>) = db.put()
+            .objects(chapters)
+            .withPutResolver(ChapterBackupPutResolver())
+            .prepare()
+
+    fun updateChapterProgress(chapter: Chapter) = db.put()
+            .`object`(chapter)
+            .withPutResolver(ChapterProgressPutResolver())
+            .prepare()
+
+    fun updateChaptersProgress(chapters: List<Chapter>) = db.put()
+            .objects(chapters)
+            .withPutResolver(ChapterProgressPutResolver())
+            .prepare()
+
+    fun fixChaptersSourceOrder(chapters: List<Chapter>) = db.put()
+            .objects(chapters)
+            .withPutResolver(ChapterSourceOrderPutResolver())
+            .prepare()
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/HistoryQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/HistoryQueries.kt
@ -0,0 +1,86 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
+import eu.kanade.tachiyomi.data.database.resolvers.HistoryLastReadPutResolver
+import eu.kanade.tachiyomi.data.database.resolvers.MangaChapterHistoryGetResolver
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable
+import java.util.*
+
+interface HistoryQueries : DbProvider {
+
+    /**
+     * Insert history into database
+     * @param history object containing history information
+     */
+    fun insertHistory(history: History) = db.put().`object`(history).prepare()
+
+    /**
+     * Returns history of recent manga containing last read chapter
+     * @param date recent date range
+     */
+    fun getRecentManga(date: Date) = db.get()
+            .listOfObjects(MangaChapterHistory::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getRecentMangasQuery())
+                    .args(date.time)
+                    .observesTables(HistoryTable.TABLE)
+                    .build())
+            .withGetResolver(MangaChapterHistoryGetResolver.INSTANCE)
+            .prepare()
+
+    fun getHistoryByMangaId(mangaId: Long) = db.get()
+            .listOfObjects(History::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getHistoryByMangaId())
+                    .args(mangaId)
+                    .observesTables(HistoryTable.TABLE)
+                    .build())
+            .prepare()
+
+    fun getHistoryByChapterUrl(chapterUrl: String) = db.get()
+            .`object`(History::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getHistoryByChapterUrl())
+                    .args(chapterUrl)
+                    .observesTables(HistoryTable.TABLE)
+                    .build())
+            .prepare()
+
+    /**
+     * Updates the history last read.
+     * Inserts history object if not yet in database
+     * @param history history object
+     */
+    fun updateHistoryLastRead(history: History) = db.put()
+            .`object`(history)
+            .withPutResolver(HistoryLastReadPutResolver())
+            .prepare()
+
+    /**
+     * Updates the history last read.
+     * Inserts history object if not yet in database
+     * @param historyList history object list
+     */
+    fun updateHistoryLastRead(historyList: List<History>) = db.put()
+            .objects(historyList)
+            .withPutResolver(HistoryLastReadPutResolver())
+            .prepare()
+
+    fun deleteHistory() = db.delete()
+            .byQuery(DeleteQuery.builder()
+                    .table(HistoryTable.TABLE)
+                    .build())
+            .prepare()
+
+    fun deleteHistoryNoLastRead() = db.delete()
+            .byQuery(DeleteQuery.builder()
+                    .table(HistoryTable.TABLE)
+                    .where("${HistoryTable.COL_LAST_READ} = ?")
+                    .whereArgs(0)
+                    .build())
+            .prepare()
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaCategoryQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaCategoryQueries.kt
@ -0,0 +1,32 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.Queries
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.inTransaction
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.MangaCategory
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
+
+interface MangaCategoryQueries : DbProvider {
+
+    fun insertMangaCategory(mangaCategory: MangaCategory) = db.put().`object`(mangaCategory).prepare()
+
+    fun insertMangasCategories(mangasCategories: List<MangaCategory>) = db.put().objects(mangasCategories).prepare()
+
+    fun deleteOldMangasCategories(mangas: List<Manga>) = db.delete()
+            .byQuery(DeleteQuery.builder()
+                    .table(MangaCategoryTable.TABLE)
+                    .where("${MangaCategoryTable.COL_MANGA_ID} IN (${Queries.placeholders(mangas.size)})")
+                    .whereArgs(*mangas.map { it.id }.toTypedArray())
+                    .build())
+            .prepare()
+
+    fun setMangaCategories(mangasCategories: List<MangaCategory>, mangas: List<Manga>) {
+        db.inTransaction {
+            deleteOldMangasCategories(mangas).executeAsBlocking()
+            insertMangasCategories(mangasCategories).executeAsBlocking()
+        }
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/MangaQueries.kt
@ -0,0 +1,113 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.RawQuery
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.resolvers.*
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+interface MangaQueries : DbProvider {
+
+    fun getMangas() = db.get()
+            .listOfObjects(Manga::class.java)
+            .withQuery(Query.builder()
+                    .table(MangaTable.TABLE)
+                    .build())
+            .prepare()
+
+    fun getLibraryMangas() = db.get()
+            .listOfObjects(LibraryManga::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(libraryQuery)
+                    .observesTables(MangaTable.TABLE, ChapterTable.TABLE, MangaCategoryTable.TABLE, CategoryTable.TABLE)
+                    .build())
+            .withGetResolver(LibraryMangaGetResolver.INSTANCE)
+            .prepare()
+
+    fun getFavoriteMangas() = db.get()
+            .listOfObjects(Manga::class.java)
+            .withQuery(Query.builder()
+                    .table(MangaTable.TABLE)
+                    .where("${MangaTable.COL_FAVORITE} = ?")
+                    .whereArgs(1)
+                    .orderBy(MangaTable.COL_TITLE)
+                    .build())
+            .prepare()
+
+    fun getManga(url: String, sourceId: Long) = db.get()
+            .`object`(Manga::class.java)
+            .withQuery(Query.builder()
+                    .table(MangaTable.TABLE)
+                    .where("${MangaTable.COL_URL} = ? AND ${MangaTable.COL_SOURCE} = ?")
+                    .whereArgs(url, sourceId)
+                    .build())
+            .prepare()
+
+    fun getManga(id: Long) = db.get()
+            .`object`(Manga::class.java)
+            .withQuery(Query.builder()
+                    .table(MangaTable.TABLE)
+                    .where("${MangaTable.COL_ID} = ?")
+                    .whereArgs(id)
+                    .build())
+            .prepare()
+
+    fun insertManga(manga: Manga) = db.put().`object`(manga).prepare()
+
+    fun insertMangas(mangas: List<Manga>) = db.put().objects(mangas).prepare()
+
+    fun updateFlags(manga: Manga) = db.put()
+            .`object`(manga)
+            .withPutResolver(MangaFlagsPutResolver())
+            .prepare()
+
+    fun updateLastUpdated(manga: Manga) = db.put()
+            .`object`(manga)
+            .withPutResolver(MangaLastUpdatedPutResolver())
+            .prepare()
+
+    fun updateMangaFavorite(manga: Manga) = db.put()
+            .`object`(manga)
+            .withPutResolver(MangaFavoritePutResolver())
+            .prepare()
+
+    fun updateMangaViewer(manga: Manga) = db.put()
+            .`object`(manga)
+            .withPutResolver(MangaViewerPutResolver())
+            .prepare()
+
+    fun deleteManga(manga: Manga) = db.delete().`object`(manga).prepare()
+
+    fun deleteMangas(mangas: List<Manga>) = db.delete().objects(mangas).prepare()
+
+    fun deleteMangasNotInLibrary() = db.delete()
+            .byQuery(DeleteQuery.builder()
+                    .table(MangaTable.TABLE)
+                    .where("${MangaTable.COL_FAVORITE} = ?")
+                    .whereArgs(0)
+                    .build())
+            .prepare()
+
+    fun deleteMangas() = db.delete()
+            .byQuery(DeleteQuery.builder()
+                    .table(MangaTable.TABLE)
+                    .build())
+            .prepare()
+
+    fun getLastReadManga() = db.get()
+            .listOfObjects(Manga::class.java)
+            .withQuery(RawQuery.builder()
+                    .query(getLastReadMangaQuery())
+                    .observesTables(MangaTable.TABLE)
+                    .build())
+            .prepare()
+
+    fun getTotalChapterManga() = db.get().listOfObjects(Manga::class.java)
+            .withQuery(RawQuery.builder().query(getTotalChapterMangaQuery()).observesTables(MangaTable.TABLE).build()).prepare();
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/RawQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/RawQueries.kt
@ -0,0 +1,113 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import eu.kanade.tachiyomi.data.database.tables.CategoryTable as Category
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable as Chapter
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable as History
+import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable as MangaCategory
+import eu.kanade.tachiyomi.data.database.tables.MangaTable as Manga
+
+/**
+ * Query to get the manga from the library, with their categories and unread count.
+ */
+val libraryQuery = """
+    SELECT M.*, COALESCE(MC.${MangaCategory.COL_CATEGORY_ID}, 0) AS ${Manga.COL_CATEGORY}
+    FROM (
+        SELECT ${Manga.TABLE}.*, COALESCE(C.unread, 0) AS ${Manga.COL_UNREAD}
+        FROM ${Manga.TABLE}
+        LEFT JOIN (
+            SELECT ${Chapter.COL_MANGA_ID}, COUNT(*) AS unread
+            FROM ${Chapter.TABLE}
+            WHERE ${Chapter.COL_READ} = 0
+            GROUP BY ${Chapter.COL_MANGA_ID}
+        ) AS C
+        ON ${Manga.COL_ID} = C.${Chapter.COL_MANGA_ID}
+        WHERE ${Manga.COL_FAVORITE} = 1
+        GROUP BY ${Manga.COL_ID}
+        ORDER BY ${Manga.COL_TITLE}
+    ) AS M
+    LEFT JOIN (
+        SELECT * FROM ${MangaCategory.TABLE}) AS MC
+        ON MC.${MangaCategory.COL_MANGA_ID} = M.${Manga.COL_ID}
+"""
+
+/**
+ * Query to get the recent chapters of manga from the library up to a date.
+ */
+fun getRecentsQuery() = """
+    SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, * FROM ${Manga.TABLE} JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    WHERE ${Manga.COL_FAVORITE} = 1 AND ${Chapter.COL_DATE_UPLOAD} > ?
+    ORDER BY ${Chapter.COL_DATE_UPLOAD} DESC
+"""
+
+/**
+ * Query to get the recently read chapters of manga from the library up to a date.
+ * The max_last_read table contains the most recent chapters grouped by manga
+ * The select statement returns all information of chapters that have the same id as the chapter in max_last_read
+ * and are read after the given time period
+ * @return return limit is 25
+ */
+fun getRecentMangasQuery() = """
+    SELECT ${Manga.TABLE}.${Manga.COL_URL} as mangaUrl, ${Manga.TABLE}.*, ${Chapter.TABLE}.*, ${History.TABLE}.*
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    JOIN (
+    SELECT ${Chapter.TABLE}.${Chapter.COL_MANGA_ID},${Chapter.TABLE}.${Chapter.COL_ID} as ${History.COL_CHAPTER_ID}, MAX(${History.TABLE}.${History.COL_LAST_READ}) as ${History.COL_LAST_READ}
+    FROM ${Chapter.TABLE} JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    GROUP BY ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}) AS max_last_read
+    ON ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = max_last_read.${Chapter.COL_MANGA_ID}
+    WHERE ${History.TABLE}.${History.COL_LAST_READ} > ? AND max_last_read.${History.COL_CHAPTER_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    ORDER BY max_last_read.${History.COL_LAST_READ} DESC
+    LIMIT 25
+"""
+
+fun getHistoryByMangaId() = """
+    SELECT ${History.TABLE}.*
+    FROM ${History.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+    WHERE ${Chapter.TABLE}.${Chapter.COL_MANGA_ID} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+"""
+
+fun getHistoryByChapterUrl() = """
+    SELECT ${History.TABLE}.*
+    FROM ${History.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+    WHERE ${Chapter.TABLE}.${Chapter.COL_URL} = ? AND ${History.TABLE}.${History.COL_CHAPTER_ID} = ${Chapter.TABLE}.${Chapter.COL_ID}
+"""
+
+fun getLastReadMangaQuery() = """
+    SELECT ${Manga.TABLE}.*, MAX(${History.TABLE}.${History.COL_LAST_READ}) AS max
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    JOIN ${History.TABLE}
+    ON ${Chapter.TABLE}.${Chapter.COL_ID} = ${History.TABLE}.${History.COL_CHAPTER_ID}
+    WHERE ${Manga.TABLE}.${Manga.COL_FAVORITE} = 1
+    GROUP BY ${Manga.TABLE}.${Manga.COL_ID}
+    ORDER BY max DESC
+"""
+
+fun getTotalChapterMangaQuery()= """
+    SELECT ${Manga.TABLE}.*
+    FROM ${Manga.TABLE}
+    JOIN ${Chapter.TABLE}
+    ON ${Manga.TABLE}.${Manga.COL_ID} = ${Chapter.TABLE}.${Chapter.COL_MANGA_ID}
+    GROUP BY ${Manga.TABLE}.${Manga.COL_ID}
+    ORDER by COUNT(*)
+"""
+
+/**
+ * Query to get the categories for a manga.
+ */
+fun getCategoriesForMangaQuery() = """
+    SELECT ${Category.TABLE}.* FROM ${Category.TABLE}
+    JOIN ${MangaCategory.TABLE} ON ${Category.TABLE}.${Category.COL_ID} =
+    ${MangaCategory.TABLE}.${MangaCategory.COL_CATEGORY_ID}
+    WHERE ${MangaCategory.COL_MANGA_ID} = ?
+"""
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/TrackQueries.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/queries/TrackQueries.kt
@ -0,0 +1,34 @@
+package eu.kanade.tachiyomi.data.database.queries
+
+import com.pushtorefresh.storio.sqlite.queries.DeleteQuery
+import com.pushtorefresh.storio.sqlite.queries.Query
+import eu.kanade.tachiyomi.data.database.DbProvider
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.models.Track
+import eu.kanade.tachiyomi.data.database.tables.TrackTable
+import eu.kanade.tachiyomi.data.track.TrackService
+
+interface TrackQueries : DbProvider {
+
+    fun getTracks(manga: Manga) = db.get()
+            .listOfObjects(Track::class.java)
+            .withQuery(Query.builder()
+                    .table(TrackTable.TABLE)
+                    .where("${TrackTable.COL_MANGA_ID} = ?")
+                    .whereArgs(manga.id)
+                    .build())
+            .prepare()
+
+    fun insertTrack(track: Track) = db.put().`object`(track).prepare()
+
+    fun insertTracks(tracks: List<Track>) = db.put().objects(tracks).prepare()
+
+    fun deleteTrackForManga(manga: Manga, sync: TrackService) = db.delete()
+            .byQuery(DeleteQuery.builder()
+                    .table(TrackTable.TABLE)
+                    .where("${TrackTable.COL_MANGA_ID} = ? AND ${TrackTable.COL_SYNC_ID} = ?")
+                    .whereArgs(manga.id, sync.id)
+                    .build())
+            .prepare()
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterBackupPutResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterBackupPutResolver.kt
@ -0,0 +1,35 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+
+class ChapterBackupPutResolver : PutResolver<Chapter>() {
+
+    override fun performPut(db: StorIOSQLite, chapter: Chapter) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(chapter)
+        val contentValues = mapToContentValues(chapter)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
+            .table(ChapterTable.TABLE)
+            .where("${ChapterTable.COL_URL} = ?")
+            .whereArgs(chapter.url)
+            .build()
+
+    fun mapToContentValues(chapter: Chapter) = ContentValues(3).apply {
+        put(ChapterTable.COL_READ, chapter.read)
+        put(ChapterTable.COL_BOOKMARK, chapter.bookmark)
+        put(ChapterTable.COL_LAST_PAGE_READ, chapter.last_page_read)
+    }
+
+}
+
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterProgressPutResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterProgressPutResolver.kt
@ -0,0 +1,35 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+
+class ChapterProgressPutResolver : PutResolver<Chapter>() {
+
+    override fun performPut(db: StorIOSQLite, chapter: Chapter) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(chapter)
+        val contentValues = mapToContentValues(chapter)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
+            .table(ChapterTable.TABLE)
+            .where("${ChapterTable.COL_ID} = ?")
+            .whereArgs(chapter.id)
+            .build()
+
+    fun mapToContentValues(chapter: Chapter) = ContentValues(3).apply {
+        put(ChapterTable.COL_READ, chapter.read)
+        put(ChapterTable.COL_BOOKMARK, chapter.bookmark)
+        put(ChapterTable.COL_LAST_PAGE_READ, chapter.last_page_read)
+    }
+
+}
+
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterSourceOrderPutResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/ChapterSourceOrderPutResolver.kt
@ -0,0 +1,32 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Chapter
+import eu.kanade.tachiyomi.data.database.tables.ChapterTable
+
+class ChapterSourceOrderPutResolver : PutResolver<Chapter>() {
+
+    override fun performPut(db: StorIOSQLite, chapter: Chapter) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(chapter)
+        val contentValues = mapToContentValues(chapter)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(chapter: Chapter) = UpdateQuery.builder()
+            .table(ChapterTable.TABLE)
+            .where("${ChapterTable.COL_URL} = ? AND ${ChapterTable.COL_MANGA_ID} = ?")
+            .whereArgs(chapter.url, chapter.manga_id)
+            .build()
+
+    fun mapToContentValues(chapter: Chapter) = ContentValues(1).apply {
+        put(ChapterTable.COL_SOURCE_ORDER, chapter.source_order)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/HistoryLastReadPutResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/HistoryLastReadPutResolver.kt
@ -0,0 +1,64 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import android.support.annotation.NonNull
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.Query
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.mappers.HistoryPutResolver
+import eu.kanade.tachiyomi.data.database.models.History
+import eu.kanade.tachiyomi.data.database.tables.HistoryTable
+
+class HistoryLastReadPutResolver : HistoryPutResolver() {
+
+    /**
+     * Updates last_read time of chapter
+     */
+    override fun performPut(@NonNull db: StorIOSQLite, @NonNull history: History): PutResult = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(history)
+
+        val cursor = db.lowLevel().query(Query.builder()
+                .table(updateQuery.table())
+                .where(updateQuery.where())
+                .whereArgs(updateQuery.whereArgs())
+                .build())
+
+        val putResult: PutResult
+
+        try {
+            if (cursor.count == 0) {
+                val insertQuery = mapToInsertQuery(history)
+                val insertedId = db.lowLevel().insert(insertQuery, mapToContentValues(history))
+                putResult = PutResult.newInsertResult(insertedId, insertQuery.table())
+            } else {
+                val numberOfRowsUpdated = db.lowLevel().update(updateQuery, mapToUpdateContentValues(history))
+                putResult = PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+            }
+        } finally {
+            cursor.close()
+        }
+
+        putResult
+    }
+
+    /**
+     * Creates update query
+     * @param obj history object
+     */
+    override fun mapToUpdateQuery(obj: History) = UpdateQuery.builder()
+            .table(HistoryTable.TABLE)
+            .where("${HistoryTable.COL_CHAPTER_ID} = ?")
+            .whereArgs(obj.chapter_id)
+            .build()
+
+    /**
+     * Create content query
+     * @param history object
+     */
+    fun mapToUpdateContentValues(history: History) = ContentValues(1).apply {
+        put(HistoryTable.COL_LAST_READ, history.last_read)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/LibraryMangaGetResolver.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/LibraryMangaGetResolver.java
@ -1,61 +0,0 @@
-package eu.kanade.tachiyomi.data.database.resolvers;
-
-import android.database.Cursor;
-import android.support.annotation.NonNull;
-
-import eu.kanade.tachiyomi.data.database.models.Manga;
-import eu.kanade.tachiyomi.data.database.models.MangaStorIOSQLiteGetResolver;
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaCategoryTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-
-public class LibraryMangaGetResolver extends MangaStorIOSQLiteGetResolver {
-
-    public static final LibraryMangaGetResolver INSTANCE = new LibraryMangaGetResolver();
-
-    public static final String QUERY = String.format(
-            "SELECT M.*, COALESCE(MC.%10$s, 0) AS %12$s " +
-            "FROM (" +
-                "SELECT %1$s.*, COALESCE(C.unread, 0) AS %6$s " +
-                "FROM %1$s " +
-                "LEFT JOIN (" +
-                    "SELECT %5$s, COUNT(*) AS unread " +
-                    "FROM %2$s " +
-                    "WHERE %7$s = 0 " +
-                    "GROUP BY %5$s" +
-                ") AS C " +
-                "ON %4$s = C.%5$s " +
-                "WHERE %8$s = 1 " +
-                "GROUP BY %4$s " +
-                "ORDER BY %9$s" +
-            ") AS M " +
-            "LEFT JOIN (SELECT * FROM %3$s) AS MC ON MC.%11$s = M.%4$s",
-            MangaTable.TABLE,
-            ChapterTable.TABLE,
-            MangaCategoryTable.TABLE,
-            MangaTable.COLUMN_ID,
-            ChapterTable.COLUMN_MANGA_ID,
-            MangaTable.COLUMN_UNREAD,
-            ChapterTable.COLUMN_READ,
-            MangaTable.COLUMN_FAVORITE,
-            MangaTable.COLUMN_TITLE,
-            MangaCategoryTable.COLUMN_CATEGORY_ID,
-            MangaCategoryTable.COLUMN_MANGA_ID,
-            MangaTable.COLUMN_CATEGORY
-    );
-
-    @Override
-    @NonNull
-    public Manga mapFromCursor(@NonNull Cursor cursor) {
-        Manga manga = super.mapFromCursor(cursor);
-
-        int unreadColumn = cursor.getColumnIndex(MangaTable.COLUMN_UNREAD);
-        manga.unread = cursor.getInt(unreadColumn);
-
-        int categoryColumn = cursor.getColumnIndex(MangaTable.COLUMN_CATEGORY);
-        manga.category = cursor.getInt(categoryColumn);
-
-        return manga;
-    }
-
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/LibraryMangaGetResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/LibraryMangaGetResolver.kt
@ -0,0 +1,25 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.BaseMangaGetResolver
+import eu.kanade.tachiyomi.data.database.models.LibraryManga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class LibraryMangaGetResolver : DefaultGetResolver<LibraryManga>(), BaseMangaGetResolver {
+
+    companion object {
+        val INSTANCE = LibraryMangaGetResolver()
+    }
+
+    override fun mapFromCursor(cursor: Cursor): LibraryManga {
+        val manga = LibraryManga()
+
+        mapBaseFromCursor(manga, cursor)
+        manga.unread = cursor.getInt(cursor.getColumnIndex(MangaTable.COL_UNREAD))
+        manga.category = cursor.getInt(cursor.getColumnIndex(MangaTable.COL_CATEGORY))
+
+        return manga
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterGetResolver.java
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterGetResolver.java
@ -1,56 +0,0 @@
-package eu.kanade.tachiyomi.data.database.resolvers;
-
-import android.database.Cursor;
-import android.support.annotation.NonNull;
-
-import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver;
-
-import java.util.Date;
-
-import eu.kanade.tachiyomi.data.database.models.Chapter;
-import eu.kanade.tachiyomi.data.database.models.ChapterStorIOSQLiteGetResolver;
-import eu.kanade.tachiyomi.data.database.models.Manga;
-import eu.kanade.tachiyomi.data.database.models.MangaChapter;
-import eu.kanade.tachiyomi.data.database.models.MangaStorIOSQLiteGetResolver;
-import eu.kanade.tachiyomi.data.database.tables.ChapterTable;
-import eu.kanade.tachiyomi.data.database.tables.MangaTable;
-
-public class MangaChapterGetResolver extends DefaultGetResolver<MangaChapter> {
-
-    public static final MangaChapterGetResolver INSTANCE = new MangaChapterGetResolver();
-
-    public static final String QUERY = String.format(
-            "SELECT * FROM %1$s JOIN %2$s on %1$s.%3$s = %2$s.%4$s",
-            MangaTable.TABLE,
-            ChapterTable.TABLE,
-            MangaTable.COLUMN_ID,
-            ChapterTable.COLUMN_MANGA_ID);
-
-    public static String getRecentChaptersQuery(Date date) {
-        return QUERY + String.format(" WHERE %1$s = 1 AND %2$s > %3$d ORDER BY %2$s DESC",
-                MangaTable.COLUMN_FAVORITE,
-                ChapterTable.COLUMN_DATE_UPLOAD,
-                date.getTime());
-    }
-
-    @NonNull
-    private final MangaStorIOSQLiteGetResolver mangaGetResolver;
-
-    @NonNull
-    private final ChapterStorIOSQLiteGetResolver chapterGetResolver;
-
-    public MangaChapterGetResolver() {
-        this.mangaGetResolver = new MangaStorIOSQLiteGetResolver();
-        this.chapterGetResolver = new ChapterStorIOSQLiteGetResolver();
-    }
-
-    @NonNull
-    @Override
-    public MangaChapter mapFromCursor(@NonNull Cursor cursor) {
-        final Manga manga = mangaGetResolver.mapFromCursor(cursor);
-        final Chapter chapter = chapterGetResolver.mapFromCursor(cursor);
-        manga.id = chapter.manga_id;
-
-        return new MangaChapter(manga, chapter);
-    }
-}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterGetResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterGetResolver.kt
@ -0,0 +1,28 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.ChapterGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.MangaGetResolver
+import eu.kanade.tachiyomi.data.database.models.MangaChapter
+
+class MangaChapterGetResolver : DefaultGetResolver<MangaChapter>() {
+
+    companion object {
+        val INSTANCE = MangaChapterGetResolver()
+    }
+
+    private val mangaGetResolver = MangaGetResolver()
+
+    private val chapterGetResolver = ChapterGetResolver()
+
+    override fun mapFromCursor(cursor: Cursor): MangaChapter {
+        val manga = mangaGetResolver.mapFromCursor(cursor)
+        val chapter = chapterGetResolver.mapFromCursor(cursor)
+        manga.id = chapter.manga_id
+        manga.url = cursor.getString(cursor.getColumnIndex("mangaUrl"))
+
+        return MangaChapter(manga, chapter)
+    }
+
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterHistoryGetResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaChapterHistoryGetResolver.kt
@ -0,0 +1,51 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.database.Cursor
+import com.pushtorefresh.storio.sqlite.operations.get.DefaultGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.ChapterGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.HistoryGetResolver
+import eu.kanade.tachiyomi.data.database.mappers.MangaGetResolver
+import eu.kanade.tachiyomi.data.database.models.MangaChapterHistory
+
+class MangaChapterHistoryGetResolver : DefaultGetResolver<MangaChapterHistory>() {
+    companion object {
+        val INSTANCE = MangaChapterHistoryGetResolver()
+    }
+
+    /**
+     * Manga get resolver
+     */
+    private val mangaGetResolver = MangaGetResolver()
+
+    /**
+     * Chapter get resolver
+     */
+    private val chapterResolver = ChapterGetResolver()
+
+    /**
+     * History get resolver
+     */
+    private val historyGetResolver = HistoryGetResolver()
+
+    /**
+     * Map correct objects from cursor result
+     */
+    override fun mapFromCursor(cursor: Cursor): MangaChapterHistory {
+        // Get manga object
+        val manga = mangaGetResolver.mapFromCursor(cursor)
+
+        // Get chapter object
+        val chapter = chapterResolver.mapFromCursor(cursor)
+
+        // Get history object
+        val history = historyGetResolver.mapFromCursor(cursor)
+
+        // Make certain column conflicts are dealt with
+        manga.id = chapter.manga_id
+        manga.url = cursor.getString(cursor.getColumnIndex("mangaUrl"))
+        chapter.id = history.chapter_id
+
+        // Return result
+        return MangaChapterHistory(manga, chapter, history)
+    }
+}
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaFavoritePutResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaFavoritePutResolver.kt
@ -0,0 +1,33 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaFavoritePutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+            .table(MangaTable.TABLE)
+            .where("${MangaTable.COL_ID} = ?")
+            .whereArgs(manga.id)
+            .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_FAVORITE, manga.favorite)
+    }
+
+}
+
--- a/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaFlagsPutResolver.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/MangaFlagsPutResolver.kt
@ -0,0 +1,33 @@
+package eu.kanade.tachiyomi.data.database.resolvers
+
+import android.content.ContentValues
+import com.pushtorefresh.storio.sqlite.StorIOSQLite
+import com.pushtorefresh.storio.sqlite.operations.put.PutResolver
+import com.pushtorefresh.storio.sqlite.operations.put.PutResult
+import com.pushtorefresh.storio.sqlite.queries.UpdateQuery
+import eu.kanade.tachiyomi.data.database.inTransactionReturn
+import eu.kanade.tachiyomi.data.database.models.Manga
+import eu.kanade.tachiyomi.data.database.tables.MangaTable
+
+class MangaFlagsPutResolver : PutResolver<Manga>() {
+
+    override fun performPut(db: StorIOSQLite, manga: Manga) = db.inTransactionReturn {
+        val updateQuery = mapToUpdateQuery(manga)
+        val contentValues = mapToContentValues(manga)
+
+        val numberOfRowsUpdated = db.lowLevel().update(updateQuery, contentValues)
+        PutResult.newUpdateResult(numberOfRowsUpdated, updateQuery.table())
+    }
+
+    fun mapToUpdateQuery(manga: Manga) = UpdateQuery.builder()
+            .table(MangaTable.TABLE)
+            .where("${MangaTable.COL_ID} = ?")
+            .whereArgs(manga.id)
+            .build()
+
+    fun mapToContentValues(manga: Manga) = ContentValues(1).apply {
+        put(MangaTable.COL_CHAPTER_FLAGS, manga.chapter_flags)
+    }
+
+}
+
--- a/Show More
+++ b/Show More