Start adding submitting gallery posts support.

app/src/main/AndroidManifest.xml

@@ -18,7 +18,8 @@
         android:maxSdkVersion="22" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
 
-    <uses-permission-sdk-23 android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+    <uses-permission-sdk-23
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
         android:maxSdkVersion="28" />
 
     <uses-permission android:name="android.permission.WAKE_LOCK" />
@@ -33,7 +34,9 @@
         android:theme="@style/AppTheme"
         android:usesCleartextTraffic="true"
         tools:replace="android:label">
-        <activity android:name=".activities.RPANActivity"
+        <activity android:name=".activities.PostGalleryActivity"></activity>
+        <activity
+            android:name=".activities.RPANActivity"
             android:configChanges="orientation|screenSize|layoutDirection"
             android:label="@string/rpan_activity_label"
             android:parentActivityName=".activities.MainActivity"

app/src/main/java/ml/docilealligator/infinityforreddit/RedditGalleryPayload.java

@@ -0,0 +1,56 @@
+package ml.docilealligator.infinityforreddit;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.util.List;
+
+public class RedditGalleryPayload {
+    @SerializedName("sr")
+    public String subredditName;
+    @SerializedName("submit_type")
+    public String submitType;
+    @SerializedName("api_type")
+    public String apiType = "json";
+    @SerializedName("show_error_list")
+    public boolean showErrorList = true;
+    public String title;
+    @SerializedName("spoiler")
+    public boolean isSpoiler;
+    @SerializedName("nsfw")
+    public boolean isNSFW;
+    public String kind = "self";
+    @SerializedName("original_content")
+    public boolean originalContent = false;
+    @SerializedName("post_to_twitter")
+    public boolean postToTwitter = false;
+    public boolean sendReplies;
+    @SerializedName("validate_on_submit")
+    public boolean validateOnSubmit = true;
+    public List<Item> items;
+
+    public RedditGalleryPayload(String subredditName, String submitType, String kind, String title,
+                                boolean isSpoiler, boolean isNSFW, boolean sendReplies, List<Item> items) {
+        this.subredditName = subredditName;
+        this.submitType = submitType;
+        this.title = title;
+        this.isSpoiler = isSpoiler;
+        this.isNSFW = isNSFW;
+        this.kind = kind;
+        this.sendReplies = sendReplies;
+        this.items = items;
+    }
+
+    public class Item {
+        public String caption;
+        @SerializedName("outbound_url")
+        public String outboundUrl;
+        @SerializedName("media_id")
+        public String mediaId;
+
+        public Item(String caption, String outboundUrl, String mediaId) {
+            this.caption = caption;
+            this.outboundUrl = outboundUrl;
+            this.mediaId = mediaId;
+        }
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/activities/PostGalleryActivity.java

@@ -0,0 +1,163 @@
+package ml.docilealligator.infinityforreddit.activities;
+
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.net.Uri;
+import android.os.Bundle;
+import android.view.Menu;
+import android.view.View;
+import android.widget.EditText;
+import android.widget.LinearLayout;
+import android.widget.TextView;
+
+import androidx.appcompat.widget.Toolbar;
+import androidx.coordinatorlayout.widget.CoordinatorLayout;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.RequestManager;
+import com.google.android.material.appbar.AppBarLayout;
+import com.google.android.material.button.MaterialButton;
+import com.google.android.material.snackbar.Snackbar;
+import com.google.android.material.switchmaterial.SwitchMaterial;
+import com.libRG.CustomTextView;
+
+import java.util.concurrent.Executor;
+
+import javax.inject.Inject;
+import javax.inject.Named;
+
+import butterknife.BindView;
+import ml.docilealligator.infinityforreddit.Flair;
+import ml.docilealligator.infinityforreddit.R;
+import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
+import ml.docilealligator.infinityforreddit.bottomsheetfragments.FlairBottomSheetFragment;
+import ml.docilealligator.infinityforreddit.customtheme.CustomThemeWrapper;
+import pl.droidsonroids.gif.GifImageView;
+import retrofit2.Retrofit;
+
+public class PostGalleryActivity extends BaseActivity implements FlairBottomSheetFragment.FlairSelectionCallback {
+
+    static final String EXTRA_SUBREDDIT_NAME = "ESN";
+
+    private static final String SUBREDDIT_NAME_STATE = "SNS";
+    private static final String SUBREDDIT_ICON_STATE = "SIS";
+    private static final String SUBREDDIT_SELECTED_STATE = "SSS";
+    private static final String SUBREDDIT_IS_USER_STATE = "SIUS";
+    private static final String LOAD_SUBREDDIT_ICON_STATE = "LSIS";
+    private static final String IS_POSTING_STATE = "IPS";
+    private static final String FLAIR_STATE = "FS";
+    private static final String IS_SPOILER_STATE = "ISS";
+    private static final String IS_NSFW_STATE = "INS";
+
+    private static final int SUBREDDIT_SELECTION_REQUEST_CODE = 0;
+    private static final int PICK_IMAGE_REQUEST_CODE = 1;
+    private static final int CAPTURE_IMAGE_REQUEST_CODE = 2;
+
+    @BindView(R.id.coordinator_layout_post_gallery_activity)
+    CoordinatorLayout coordinatorLayout;
+    @BindView(R.id.appbar_layout_post_gallery_activity)
+    AppBarLayout appBarLayout;
+    @BindView(R.id.toolbar_post_gallery_activity)
+    Toolbar toolbar;
+    @BindView(R.id.subreddit_icon_gif_image_view_post_gallery_activity)
+    GifImageView iconGifImageView;
+    @BindView(R.id.subreddit_name_text_view_post_gallery_activity)
+    TextView subredditNameTextView;
+    @BindView(R.id.rules_button_post_gallery_activity)
+    MaterialButton rulesButton;
+    @BindView(R.id.divider_1_post_gallery_activity)
+    View divider1;
+    @BindView(R.id.flair_custom_text_view_post_gallery_activity)
+    CustomTextView flairTextView;
+    @BindView(R.id.spoiler_custom_text_view_post_gallery_activity)
+    CustomTextView spoilerTextView;
+    @BindView(R.id.nsfw_custom_text_view_post_gallery_activity)
+    CustomTextView nsfwTextView;
+    @BindView(R.id.divider_2_post_gallery_activity)
+    View divider2;
+    @BindView(R.id.receive_post_reply_notifications_linear_layout_post_gallery_activity)
+    LinearLayout receivePostReplyNotificationsLinearLayout;
+    @BindView(R.id.receive_post_reply_notifications_text_view_post_gallery_activity)
+    TextView receivePostReplyNotificationsTextView;
+    @BindView(R.id.receive_post_reply_notifications_switch_material_post_gallery_activity)
+    SwitchMaterial receivePostReplyNotificationsSwitchMaterial;
+    @BindView(R.id.divider_3_post_gallery_activity)
+    View divider3;
+    @BindView(R.id.post_title_edit_text_post_gallery_activity)
+    EditText titleEditText;
+    @BindView(R.id.divider_4_post_gallery_activity)
+    View divider4;
+    @BindView(R.id.images_recycler_view_post_gallery_activity)
+    RecyclerView imagesRecyclerView;
+    @Inject
+    @Named("no_oauth")
+    Retrofit mRetrofit;
+    @Inject
+    @Named("oauth")
+    Retrofit mOauthRetrofit;
+    @Inject
+    @Named("upload_media")
+    Retrofit mUploadMediaRetrofit;
+    @Inject
+    RedditDataRoomDatabase mRedditDataRoomDatabase;
+    @Inject
+    @Named("default")
+    SharedPreferences mSharedPreferences;
+    @Inject
+    @Named("current_account")
+    SharedPreferences mCurrentAccountSharedPreferences;
+    @Inject
+    CustomThemeWrapper mCustomThemeWrapper;
+    @Inject
+    Executor mExecutor;
+    private String mAccessToken;
+    private String mAccountName;
+    private String iconUrl;
+    private String subredditName;
+    private boolean subredditSelected = false;
+    private boolean subredditIsUser;
+    private boolean loadSubredditIconSuccessful = true;
+    private boolean isPosting;
+    private Uri imageUri;
+    private int primaryTextColor;
+    private int flairBackgroundColor;
+    private int flairTextColor;
+    private int spoilerBackgroundColor;
+    private int spoilerTextColor;
+    private int nsfwBackgroundColor;
+    private int nsfwTextColor;
+    private Flair flair;
+    private boolean isSpoiler = false;
+    private boolean isNSFW = false;
+    private Resources resources;
+    private Menu mMemu;
+    private RequestManager mGlide;
+    private FlairBottomSheetFragment flairSelectionBottomSheetFragment;
+    private Snackbar mPostingSnackbar;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_post_gallery);
+    }
+
+    @Override
+    protected SharedPreferences getDefaultSharedPreferences() {
+        return null;
+    }
+
+    @Override
+    protected CustomThemeWrapper getCustomThemeWrapper() {
+        return null;
+    }
+
+    @Override
+    protected void applyCustomTheme() {
+
+    }
+
+    @Override
+    public void flairSelected(Flair flair) {
+
+    }
+}

app/src/main/java/ml/docilealligator/infinityforreddit/apis/RedditAPI.java

@@ -5,6 +5,7 @@ import java.util.Map;
 import okhttp3.MultipartBody;
 import okhttp3.RequestBody;
 import retrofit2.Call;
+import retrofit2.http.Body;
 import retrofit2.http.DELETE;
 import retrofit2.http.FieldMap;
 import retrofit2.http.FormUrlEncoded;
@@ -356,4 +357,7 @@ public interface RedditAPI {
     @GET("/api/subreddit_autocomplete_v2?typeahead_active=true&include_profiles=false&raw_json=1")
     Call<String> subredditAutocomplete(@HeaderMap Map<String ,String> headers, @Query("query") String query,
                                        @Query("include_over_18") boolean nsfw);
+
+    @POST("/api/submit_gallery_post.json?resubmit=true&raw_json=1")
+    Call<String> submitGalleryPost(@HeaderMap Map<String, String> headers, @Body String body);
 }

app/src/main/res/layout/activity_post_gallery.xml

@@ -0,0 +1,199 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/coordinator_layout_post_gallery_activity"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:application=".PostImageActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:id="@+id/appbar_layout_post_gallery_activity"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/AppTheme.AppBarOverlay">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar_post_gallery_activity"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:minHeight="?attr/actionBarSize"
+            app:navigationIcon="?attr/homeAsUpIndicator"
+            app:popupTheme="@style/AppTheme.PopupOverlay" />
+
+    </com.google.android.material.appbar.AppBarLayout>
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:orientation="vertical">
+
+            <RelativeLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:paddingStart="16dp"
+                android:paddingTop="8dp"
+                android:paddingEnd="16dp"
+                android:paddingBottom="8dp">
+
+                <pl.droidsonroids.gif.GifImageView
+                    android:id="@+id/subreddit_icon_gif_image_view_post_gallery_activity"
+                    android:layout_width="24dp"
+                    android:layout_height="24dp"
+                    android:layout_alignParentStart="true"
+                    android:layout_centerVertical="true" />
+
+                <TextView
+                    android:id="@+id/subreddit_name_text_view_post_gallery_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_centerVertical="true"
+                    android:layout_marginStart="32dp"
+                    android:layout_marginEnd="16dp"
+                    android:layout_toStartOf="@id/rules_button_post_gallery_activity"
+                    android:layout_toEndOf="@id/subreddit_icon_gif_image_view_post_gallery_activity"
+                    android:text="@string/choose_a_subreddit"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family" />
+
+                <com.google.android.material.button.MaterialButton
+                    android:id="@+id/rules_button_post_gallery_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_alignParentEnd="true"
+                    android:layout_centerVertical="true"
+                    android:text="@string/rules"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family" />
+
+            </RelativeLayout>
+
+            <View
+                android:id="@+id/divider_1_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="1dp" />
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content">
+
+                <com.libRG.CustomTextView
+                    android:id="@+id/flair_custom_text_view_post_gallery_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_margin="16dp"
+                    android:padding="4dp"
+                    android:text="@string/flair"
+                    android:textColor="?attr/primaryTextColor"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family"
+                    android:visibility="gone"
+                    app:lib_setRadius="3dp"
+                    app:lib_setRoundedView="true"
+                    app:lib_setShape="rectangle" />
+
+                <com.libRG.CustomTextView
+                    android:id="@+id/spoiler_custom_text_view_post_gallery_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_margin="16dp"
+                    android:padding="4dp"
+                    android:text="@string/spoiler"
+                    android:textColor="?attr/primaryTextColor"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family"
+                    app:lib_setRadius="3dp"
+                    app:lib_setRoundedView="true"
+                    app:lib_setShape="rectangle" />
+
+                <com.libRG.CustomTextView
+                    android:id="@+id/nsfw_custom_text_view_post_gallery_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_margin="16dp"
+                    android:padding="4dp"
+                    android:text="@string/nsfw"
+                    android:textColor="?attr/primaryTextColor"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family"
+                    app:lib_setRadius="3dp"
+                    app:lib_setRoundedView="true"
+                    app:lib_setShape="rectangle" />
+
+            </LinearLayout>
+
+            <View
+                android:id="@+id/divider_2_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="1dp" />
+
+            <LinearLayout
+                android:id="@+id/receive_post_reply_notifications_linear_layout_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:padding="8dp"
+                android:paddingBottom="8dp"
+                android:paddingStart="16dp"
+                android:paddingEnd="16dp"
+                android:clickable="true"
+                android:focusable="true"
+                android:background="?attr/selectableItemBackground">
+
+                <TextView
+                    android:id="@+id/receive_post_reply_notifications_text_view_post_gallery_activity"
+                    android:layout_width="0dp"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="1"
+                    android:layout_gravity="center_vertical"
+                    android:layout_marginEnd="16dp"
+                    android:text="@string/receive_post_reply_notifications"
+                    android:textSize="?attr/font_default"
+                    android:fontFamily="?attr/font_family" />
+
+                <com.google.android.material.switchmaterial.SwitchMaterial
+                    android:id="@+id/receive_post_reply_notifications_switch_material_post_gallery_activity"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:layout_gravity="center_vertical"
+                    android:checked="true" />
+
+            </LinearLayout>
+
+            <View
+                android:id="@+id/divider_3_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="1dp" />
+
+            <EditText
+                android:id="@+id/post_title_edit_text_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="#00000000"
+                android:gravity="top"
+                android:hint="@string/post_title_hint"
+                android:inputType="textCapSentences|textMultiLine"
+                android:padding="16dp"
+                android:textColor="?attr/primaryTextColor"
+                android:textSize="?attr/title_font_18"
+                android:fontFamily="?attr/title_font_family" />
+
+            <View
+                android:id="@+id/divider_4_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="1dp" />
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/images_recycler_view_post_gallery_activity"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+        </LinearLayout>
+
+    </androidx.core.widget.NestedScrollView>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>