Migrate to AndroidX (#2424)

* Migrate to AndroidX (automatic conversion by Android Studio)

* AndroidX dependency code updates

* Fix source preference reparenting

* fixes the androidx prefererences icon spacing issue

(cherry picked from commit b76a15d960ec2cdf771be16377db0348b66b3179)

* Fix source preference screen heading size/list padding

Co-authored-by: Carlos <cargo8005@gmail.com>

app/src/main/java/eu/kanade/tachiyomi/data/cache/ChapterCache.kt

@@ -10,7 +10,8 @@ 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 okio.buffer
+import okio.sink
 import rx.Observable
 import uy.kohesive.injekt.injectLazy
 import java.io.File
@@ -126,7 +127,7 @@ class ChapterCache(private val context: Context) {
             editor = diskCache.edit(key) ?: return
 
             // Write chapter urls to cache.
-            Okio.buffer(Okio.sink(editor.newOutputStream(0))).use {
+            editor.newOutputStream(0).sink().buffer().use {
                 it.write(cachedValue.toByteArray())
                 it.flush()
             }
@@ -170,7 +171,7 @@ class ChapterCache(private val context: Context) {
 
     /**
      * Add image to cache.
-     * 
+     *
      * @param imageUrl url of image.
      * @param response http response from page.
      * @throws IOException image error.
@@ -186,12 +187,12 @@ class ChapterCache(private val context: Context) {
             editor = diskCache.edit(key) ?: throw IOException("Unable to edit key")
 
             // Get OutputStream and write image with Okio.
-            response.body()!!.source().saveTo(editor.newOutputStream(0))
+            response.body!!.source().saveTo(editor.newOutputStream(0))
 
             diskCache.flush()
             editor.commit()
         } finally {
-            response.body()?.close()
+            response.body?.close()
             editor?.abortUnlessCommitted()
         }
     }

app/src/main/java/eu/kanade/tachiyomi/data/database/DatabaseHelper.kt

@@ -1,6 +1,6 @@
 package eu.kanade.tachiyomi.data.database
 
-import android.arch.persistence.db.SupportSQLiteOpenHelper
+import androidx.sqlite.db.SupportSQLiteOpenHelper
 import android.content.Context
 import com.pushtorefresh.storio.sqlite.impl.DefaultStorIOSQLite
 import eu.kanade.tachiyomi.data.database.mappers.*

app/src/main/java/eu/kanade/tachiyomi/data/database/DbOpenCallback.kt

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.database
 
-import android.arch.persistence.db.SupportSQLiteDatabase
-import android.arch.persistence.db.SupportSQLiteOpenHelper
+import androidx.sqlite.db.SupportSQLiteDatabase
+import androidx.sqlite.db.SupportSQLiteOpenHelper
 import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper

app/src/main/java/eu/kanade/tachiyomi/data/database/resolvers/HistoryLastReadPutResolver.kt

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.database.resolvers
 
 import android.content.ContentValues
-import android.support.annotation.NonNull
+import androidx.annotation.NonNull
 import com.pushtorefresh.storio.sqlite.StorIOSQLite
 import com.pushtorefresh.storio.sqlite.operations.put.PutResult
 import com.pushtorefresh.storio.sqlite.queries.Query

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadNotifier.kt

@@ -2,7 +2,7 @@ package eu.kanade.tachiyomi.data.download
 
 import android.content.Context
 import android.graphics.BitmapFactory
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.download.model.Download
 import eu.kanade.tachiyomi.data.download.model.DownloadQueue

app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadService.kt

@@ -9,7 +9,7 @@ import android.net.NetworkInfo.State.DISCONNECTED
 import android.os.Build
 import android.os.IBinder
 import android.os.PowerManager
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
 import com.github.pwittchen.reactivenetwork.library.Connectivity
 import com.github.pwittchen.reactivenetwork.library.ReactiveNetwork
 import com.jakewharton.rxrelay.BehaviorRelay

app/src/main/java/eu/kanade/tachiyomi/data/download/Downloader.kt

@@ -351,7 +351,7 @@ class Downloader(
                 .map { response ->
                     val file = tmpDir.createFile("$filename.tmp")
                     try {
-                        response.body()!!.source().saveTo(file.openOutputStream())
+                        response.body!!.source().saveTo(file.openOutputStream())
                         val extension = getImageExtension(response, file)
                         file.renameTo("$filename.$extension")
                     } catch (e: Exception) {
@@ -374,7 +374,7 @@ class Downloader(
      */
     private fun getImageExtension(response: Response, file: UniFile): String {
         // Read content type if available.
-        val mime = response.body()?.contentType()?.let { ct -> "${ct.type()}/${ct.subtype()}" }
+        val mime = response.body?.contentType()?.let { ct -> "${ct.type}/${ct.subtype}" }
             // Else guess from the uri.
             ?: context.contentResolver.getType(file.uri)
             // Else read magic numbers.

app/src/main/java/eu/kanade/tachiyomi/data/library/LibraryUpdateService.kt

@@ -9,7 +9,7 @@ import android.graphics.BitmapFactory
 import android.os.Build
 import android.os.IBinder
 import android.os.PowerManager
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.database.DatabaseHelper
 import eu.kanade.tachiyomi.data.database.models.Category

app/src/main/java/eu/kanade/tachiyomi/data/preference/EmptyPreferenceDataStore.kt

@@ -1,6 +1,6 @@
 package eu.kanade.tachiyomi.data.preference
 
-import android.support.v7.preference.PreferenceDataStore
+import androidx.preference.PreferenceDataStore
 
 class EmptyPreferenceDataStore : PreferenceDataStore() {
 
@@ -45,4 +45,4 @@ class EmptyPreferenceDataStore : PreferenceDataStore() {
 
     override fun putStringSet(key: String?, values: Set<String>?) {
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/preference/SharedPreferencesDataStore.kt

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.preference
 
 import android.content.SharedPreferences
-import android.support.v7.preference.PreferenceDataStore
+import androidx.preference.PreferenceDataStore
 
 class SharedPreferencesDataStore(private val prefs: SharedPreferences) : PreferenceDataStore() {
 

app/src/main/java/eu/kanade/tachiyomi/data/track/TrackService.kt

@@ -1,7 +1,7 @@
 package eu.kanade.tachiyomi.data.track
 
-import android.support.annotation.CallSuper
-import android.support.annotation.DrawableRes
+import androidx.annotation.CallSuper
+import androidx.annotation.DrawableRes
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.data.preference.PreferencesHelper

app/src/main/java/eu/kanade/tachiyomi/data/track/anilist/AnilistApi.kt

@@ -1,13 +1,18 @@
 package eu.kanade.tachiyomi.data.track.anilist
 
 import android.net.Uri
-import com.github.salomonbrys.kotson.*
+import com.github.salomonbrys.kotson.array
+import com.github.salomonbrys.kotson.get
+import com.github.salomonbrys.kotson.jsonObject
+import com.github.salomonbrys.kotson.nullInt
+import com.github.salomonbrys.kotson.nullString
+import com.github.salomonbrys.kotson.obj
 import com.google.gson.JsonObject
 import com.google.gson.JsonParser
 import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.network.asObservableSuccess
-import okhttp3.MediaType
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.OkHttpClient
 import okhttp3.Request
 import okhttp3.RequestBody
@@ -18,7 +23,7 @@ import java.util.Calendar
 class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
 
     private val parser = JsonParser()
-    private val jsonMime = MediaType.parse("application/json; charset=utf-8")
+    private val jsonMime = "application/json; charset=utf-8".toMediaTypeOrNull()
     private val authClient = client.newBuilder().addInterceptor(interceptor).build()
 
     fun addLibManga(track: Track): Observable<Track> {
@@ -47,7 +52,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
         return authClient.newCall(request)
                 .asObservableSuccess()
                 .map { netResponse ->
-                    val responseBody = netResponse.body()?.string().orEmpty()
+                    val responseBody = netResponse.body?.string().orEmpty()
                     netResponse.close()
                     if (responseBody.isEmpty()) {
                         throw Exception("Null Response")
@@ -130,7 +135,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
         return authClient.newCall(request)
                 .asObservableSuccess()
                 .map { netResponse ->
-                    val responseBody = netResponse.body()?.string().orEmpty()
+                    val responseBody = netResponse.body?.string().orEmpty()
                     if (responseBody.isEmpty()) {
                         throw Exception("Null Response")
                     }
@@ -191,7 +196,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
         return authClient.newCall(request)
                 .asObservableSuccess()
                 .map { netResponse ->
-                    val responseBody = netResponse.body()?.string().orEmpty()
+                    val responseBody = netResponse.body?.string().orEmpty()
                     if (responseBody.isEmpty()) {
                         throw Exception("Null Response")
                     }
@@ -236,7 +241,7 @@ class AnilistApi(val client: OkHttpClient, interceptor: AnilistInterceptor) {
         return authClient.newCall(request)
                 .asObservableSuccess()
                 .map { netResponse ->
-                    val responseBody = netResponse.body()?.string().orEmpty()
+                    val responseBody = netResponse.body?.string().orEmpty()
                     if (responseBody.isEmpty()) {
                         throw Exception("Null Response")
                     }

app/src/main/java/eu/kanade/tachiyomi/data/track/bangumi/BangumiApi.kt

@@ -84,7 +84,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
     return authClient.newCall(request)
       .asObservableSuccess()
       .map { netResponse ->
-        val responseBody = netResponse.body()?.string().orEmpty()
+        val responseBody = netResponse.body?.string().orEmpty()
         if (responseBody.isEmpty()) {
           throw Exception("Null Response")
         }
@@ -127,7 +127,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
       .asObservableSuccess()
       .map { netResponse ->
         // get comic info
-        val responseBody = netResponse.body()?.string().orEmpty()
+        val responseBody = netResponse.body?.string().orEmpty()
         jsonToTrack(parser.parse(responseBody).obj)
       }
   }
@@ -144,7 +144,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
     return authClient.newCall(requestUserRead)
       .asObservableSuccess()
       .map { netResponse ->
-        val resp = netResponse.body()?.string()
+        val resp = netResponse.body?.string()
         val coll = gson.fromJson(resp, Collection::class.java)
         track.status = coll.status?.id!!
         track.last_chapter_read = coll.ep_status!!
@@ -154,7 +154,7 @@ class BangumiApi(private val client: OkHttpClient, interceptor: BangumiIntercept
 
   fun accessToken(code: String): Observable<OAuth> {
     return client.newCall(accessTokenRequest(code)).asObservableSuccess().map { netResponse ->
-      val responseBody = netResponse.body()?.string().orEmpty()
+      val responseBody = netResponse.body?.string().orEmpty()
       if (responseBody.isEmpty()) {
         throw Exception("Null Response")
       }

app/src/main/java/eu/kanade/tachiyomi/data/track/bangumi/BangumiInterceptor.kt

@@ -14,7 +14,7 @@ class BangumiInterceptor(val bangumi: Bangumi, val gson: Gson) : Interceptor {
 
   fun addTocken(tocken: String, oidFormBody: FormBody): FormBody {
     val newFormBody = FormBody.Builder()
-    for (i in 0 until oidFormBody.size()) {
+    for (i in 0 until oidFormBody.size) {
       newFormBody.add(oidFormBody.name(i), oidFormBody.value(i))
     }
     newFormBody.add("access_token", tocken)
@@ -29,18 +29,18 @@ class BangumiInterceptor(val bangumi: Bangumi, val gson: Gson) : Interceptor {
     if (currAuth.isExpired()) {
       val response = chain.proceed(BangumiApi.refreshTokenRequest(currAuth.refresh_token!!))
       if (response.isSuccessful) {
-        newAuth(gson.fromJson(response.body()!!.string(), OAuth::class.java))
+        newAuth(gson.fromJson(response.body!!.string(), OAuth::class.java))
       } else {
         response.close()
       }
     }
 
-    var authRequest = if (originalRequest.method() == "GET") originalRequest.newBuilder()
+    var authRequest = if (originalRequest.method == "GET") originalRequest.newBuilder()
       .header("User-Agent", "Tachiyomi")
-      .url(originalRequest.url().newBuilder()
+      .url(originalRequest.url.newBuilder()
         .addQueryParameter("access_token", currAuth.access_token).build())
       .build() else originalRequest.newBuilder()
-      .post(addTocken(currAuth.access_token, originalRequest.body() as FormBody))
+      .post(addTocken(currAuth.access_token, originalRequest.body as FormBody))
       .header("User-Agent", "Tachiyomi")
       .build()
 

app/src/main/java/eu/kanade/tachiyomi/data/track/kitsu/KitsuInterceptor.kt

@@ -22,7 +22,7 @@ class KitsuInterceptor(val kitsu: Kitsu, val gson: Gson) : Interceptor {
         if (currAuth.isExpired()) {
             val response = chain.proceed(KitsuApi.refreshTokenRequest(refreshToken))
             if (response.isSuccessful) {
-                newAuth(gson.fromJson(response.body()!!.string(), OAuth::class.java))
+                newAuth(gson.fromJson(response.body!!.string(), OAuth::class.java))
             } else {
                 response.close()
             }
@@ -43,4 +43,4 @@ class KitsuInterceptor(val kitsu: Kitsu, val gson: Gson) : Interceptor {
         kitsu.saveToken(oauth)
     }
 
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/track/kitsu/KitsuModels.kt

@@ -1,6 +1,6 @@
 package eu.kanade.tachiyomi.data.track.kitsu
 
-import android.support.annotation.CallSuper
+import androidx.annotation.CallSuper
 import com.github.salomonbrys.kotson.*
 import com.google.gson.JsonObject
 import eu.kanade.tachiyomi.data.database.models.Track

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyAnimeList.kt

@@ -7,10 +7,9 @@ import eu.kanade.tachiyomi.data.database.models.Track
 import eu.kanade.tachiyomi.data.preference.getOrDefault
 import eu.kanade.tachiyomi.data.track.TrackService
 import eu.kanade.tachiyomi.data.track.model.TrackSearch
-import okhttp3.HttpUrl
+import okhttp3.HttpUrl.Companion.toHttpUrlOrNull
 import rx.Completable
 import rx.Observable
-import java.lang.Exception
 
 class Myanimelist(private val context: Context, id: Int) : TrackService(id) {
 
@@ -138,7 +137,7 @@ class Myanimelist(private val context: Context, id: Int) : TrackService(id) {
     override fun logout() {
         super.logout()
         preferences.trackToken(this).delete()
-        networkService.cookieManager.remove(HttpUrl.parse(BASE_URL)!!)
+        networkService.cookieManager.remove(BASE_URL.toHttpUrlOrNull()!!)
     }
 
     val isAuthorized: Boolean
@@ -152,9 +151,9 @@ class Myanimelist(private val context: Context, id: Int) : TrackService(id) {
 
     private fun checkCookies(): Boolean {
         var ckCount = 0
-        val url = HttpUrl.parse(BASE_URL)!!
+        val url = BASE_URL.toHttpUrlOrNull()!!
         for (ck in networkService.cookieManager.get(url)) {
-            if (ck.name() == USER_SESSION_COOKIE || ck.name() == LOGGED_IN_COOKIE)
+            if (ck.name == USER_SESSION_COOKIE || ck.name == LOGGED_IN_COOKIE)
                 ckCount++
         }
 

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyAnimeListInterceptor.kt

@@ -15,7 +15,7 @@ class MyAnimeListInterceptor(private val myanimelist: Myanimelist): Interceptor
         val request = chain.request()
         var response = chain.proceed(updateRequest(request))
 
-        if (response.code() == 400){
+        if (response.code == 400){
             myanimelist.refreshLogin()
             response = chain.proceed(updateRequest(request))
         }
@@ -24,7 +24,7 @@ class MyAnimeListInterceptor(private val myanimelist: Myanimelist): Interceptor
     }
 
     private fun updateRequest(request: Request): Request {
-        return request.body()?.let {
+        return request.body?.let {
             val contentType = it.contentType().toString()
             val updatedBody = when {
                 contentType.contains("x-www-form-urlencoded") -> updateFormBody(it)
@@ -56,4 +56,4 @@ class MyAnimeListInterceptor(private val myanimelist: Myanimelist): Interceptor
 
         return RequestBody.create(requestBody.contentType(), newBody.toString())
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/track/myanimelist/MyanimelistApi.kt

@@ -10,7 +10,11 @@ import eu.kanade.tachiyomi.network.asObservable
 import eu.kanade.tachiyomi.network.asObservableSuccess
 import eu.kanade.tachiyomi.util.selectInt
 import eu.kanade.tachiyomi.util.selectText
-import okhttp3.*
+import okhttp3.FormBody
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.OkHttpClient
+import okhttp3.RequestBody
+import okhttp3.Response
 import org.json.JSONObject
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Document
@@ -85,7 +89,7 @@ class MyanimelistApi(private val client: OkHttpClient, interceptor: MyAnimeListI
                 .map {response ->
                     var libTrack: Track? = null
                     response.use {
-                        if (it.priorResponse()?.isRedirect != true) {
+                        if (it.priorResponse?.isRedirect != true) {
                             val trackForm = Jsoup.parse(it.consumeBody())
 
                             libTrack = Track.create(TrackManager.MYANIMELIST).apply {
@@ -125,7 +129,7 @@ class MyanimelistApi(private val client: OkHttpClient, interceptor: MyAnimeListI
         val response = client.newCall(POST(url = loginUrl(), body = loginPostBody(username, password, csrf))).execute()
 
         response.use {
-            if (response.priorResponse()?.code() != 302) throw Exception("Authentication error")
+            if (response.priorResponse?.code != 302) throw Exception("Authentication error")
         }
     }
 
@@ -172,15 +176,15 @@ class MyanimelistApi(private val client: OkHttpClient, interceptor: MyAnimeListI
 
     private fun Response.consumeBody(): String? {
         use {
-            if (it.code() != 200) throw Exception("HTTP error ${it.code()}")
-            return it.body()?.string()
+            if (it.code != 200) throw Exception("HTTP error ${it.code}")
+            return it.body?.string()
         }
     }
 
     private fun Response.consumeXmlBody(): String? {
         use { res ->
-            if (res.code() != 200) throw Exception("Export list error")
-            BufferedReader(InputStreamReader(GZIPInputStream(res.body()?.source()?.inputStream()))).use { reader ->
+            if (res.code != 200) throw Exception("Export list error")
+            BufferedReader(InputStreamReader(GZIPInputStream(res.body?.source()?.inputStream()))).use { reader ->
                 val sb = StringBuilder()
                 reader.forEachLine { line ->
                     sb.append(line)
@@ -262,7 +266,7 @@ class MyanimelistApi(private val client: OkHttpClient, interceptor: MyAnimeListI
                     .put("score", track.score)
                     .put("num_read_chapters", track.last_chapter_read)
 
-            return RequestBody.create(MediaType.parse("application/json; charset=utf-8"), body.toString())
+            return RequestBody.create("application/json; charset=utf-8".toMediaTypeOrNull(), body.toString())
         }
 
         private fun Element.searchTitle() = select("strong").text()!!
@@ -298,4 +302,4 @@ class MyanimelistApi(private val client: OkHttpClient, interceptor: MyAnimeListI
             else -> 1
             }
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/track/shikimori/ShikimoriApi.kt

@@ -14,7 +14,11 @@ import eu.kanade.tachiyomi.data.track.model.TrackSearch
 import eu.kanade.tachiyomi.network.GET
 import eu.kanade.tachiyomi.network.POST
 import eu.kanade.tachiyomi.network.asObservableSuccess
-import okhttp3.*
+import okhttp3.FormBody
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import okhttp3.RequestBody
 import rx.Observable
 import uy.kohesive.injekt.injectLazy
 
@@ -22,7 +26,7 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
 
     private val gson: Gson by injectLazy()
     private val parser = JsonParser()
-    private val jsonime = MediaType.parse("application/json; charset=utf-8")
+    private val jsonime = "application/json; charset=utf-8".toMediaTypeOrNull()
     private val authClient = client.newBuilder().addInterceptor(interceptor).build()
 
     fun addLibManga(track: Track, user_id: String): Observable<Track> {
@@ -63,7 +67,7 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
         return authClient.newCall(request)
                 .asObservableSuccess()
                 .map { netResponse ->
-                    val responseBody = netResponse.body()?.string().orEmpty()
+                    val responseBody = netResponse.body?.string().orEmpty()
                     if (responseBody.isEmpty()) {
                         throw Exception("Null Response")
                     }
@@ -120,13 +124,13 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
         return authClient.newCall(requestMangas)
                 .asObservableSuccess()
                 .map { netResponse ->
-                    val responseBody = netResponse.body()?.string().orEmpty()
+                    val responseBody = netResponse.body?.string().orEmpty()
                     parser.parse(responseBody).obj
                 }.flatMap { mangas ->
                     authClient.newCall(request)
                             .asObservableSuccess()
                             .map { netResponse ->
-                                val responseBody = netResponse.body()?.string().orEmpty()
+                                val responseBody = netResponse.body?.string().orEmpty()
                                 if (responseBody.isEmpty()) {
                                     throw Exception("Null Response")
                                 }
@@ -143,13 +147,13 @@ class ShikimoriApi(private val client: OkHttpClient, interceptor: ShikimoriInter
     }
 
     fun getCurrentUser(): Int {
-        val user = authClient.newCall(GET("$apiUrl/users/whoami")).execute().body()?.string()
+        val user = authClient.newCall(GET("$apiUrl/users/whoami")).execute().body?.string()
         return parser.parse(user).obj["id"].asInt
     }
 
     fun accessToken(code: String): Observable<OAuth> {
         return client.newCall(accessTokenRequest(code)).asObservableSuccess().map { netResponse ->
-            val responseBody = netResponse.body()?.string().orEmpty()
+            val responseBody = netResponse.body?.string().orEmpty()
             if (responseBody.isEmpty()) {
                 throw Exception("Null Response")
             }

app/src/main/java/eu/kanade/tachiyomi/data/track/shikimori/ShikimoriInterceptor.kt

@@ -22,7 +22,7 @@ class ShikimoriInterceptor(val shikimori: Shikimori, val gson: Gson) : Intercept
         if (currAuth.isExpired()) {
             val response = chain.proceed(ShikimoriApi.refreshTokenRequest(refreshToken))
             if (response.isSuccessful) {
-                newAuth(gson.fromJson(response.body()!!.string(), OAuth::class.java))
+                newAuth(gson.fromJson(response.body!!.string(), OAuth::class.java))
             } else {
                 response.close()
             }

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterJob.kt

@@ -2,7 +2,7 @@ package eu.kanade.tachiyomi.data.updater
 
 import android.app.PendingIntent
 import android.content.Intent
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
 import com.evernote.android.job.Job
 import com.evernote.android.job.JobManager
 import com.evernote.android.job.JobRequest

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterNotifier.kt

@@ -2,7 +2,7 @@ package eu.kanade.tachiyomi.data.updater
 
 import android.content.Context
 import android.net.Uri
-import android.support.v4.app.NotificationCompat
+import androidx.core.app.NotificationCompat
 import eu.kanade.tachiyomi.R
 import eu.kanade.tachiyomi.data.notification.NotificationHandler
 import eu.kanade.tachiyomi.data.notification.NotificationReceiver
@@ -106,4 +106,4 @@ internal class UpdaterNotifier(private val context: Context) {
         }
         notification.show(Notifications.ID_UPDATER)
     }
-}
+}

app/src/main/java/eu/kanade/tachiyomi/data/updater/UpdaterService.kt

@@ -71,7 +71,7 @@ class UpdaterService : IntentService(UpdaterService::class.java.name) {
             val apkFile = File(externalCacheDir, "update.apk")
 
             if (response.isSuccessful) {
-                response.body()!!.source().saveTo(apkFile)
+                response.body!!.source().saveTo(apkFile)
             } else {
                 response.close()
                 throw Exception("Unsuccessful response")