Merge branch 'master' into refactor-view-image

16 files changed, 156 insertions, 339 deletions

diff --git a/app/build.gradle b/app/build.gradle
index d44a17d9..8b7abdaf 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -40,7 +40,7 @@ dependencies {
     implementation "androidx.room:room-runtime:$roomVersion"
     annotationProcessor "androidx.room:room-compiler:$roomVersion"
     implementation 'androidx.work:work-runtime:2.3.4'
-    implementation 'com.google.android.material:material:1.2.0-alpha05'
+    implementation 'com.google.android.material:material:1.3.0-alpha01'
 
     implementation 'com.google.android.exoplayer:exoplayer-core:2.10.4'
     implementation 'com.google.android.exoplayer:exoplayer-hls:2.10.4'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 829f2f2b..f26d5ef7 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -75,10 +75,6 @@
             android:theme="@style/AppTheme.NoActionBar"
             android:windowSoftInputMode="adjustResize" />
         <activity
-            android:name=".Activity.ViewSidebarActivity"
-            android:parentActivityName=".Activity.MainActivity"
-            android:theme="@style/AppTheme.NoActionBar" />
-        <activity
             android:name=".Activity.ViewMultiRedditDetailActivity"
             android:parentActivityName=".Activity.MainActivity"
             android:theme="@style/AppTheme.NoActionBar" />
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/LinkResolverActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/LinkResolverActivity.java
index e6fb7c3d..45c310c0 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/LinkResolverActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/LinkResolverActivity.java
@@ -159,8 +159,9 @@ public class LinkResolverActivity extends AppCompatActivity {
                                 intent.putExtra(ViewUserDetailActivity.EXTRA_NEW_ACCOUNT_NAME, newAccountName);
                                 startActivity(intent);
                             } else if (path.matches(SIDEBAR_PATTERN)) {
-                                Intent intent = new Intent(this, ViewSidebarActivity.class);
-                                intent.putExtra(ViewSidebarActivity.EXTRA_SUBREDDIT_NAME, path.substring(3, path.length() - 14));
+                                Intent intent = new Intent(this, ViewSubredditDetailActivity.class);
+                                intent.putExtra(ViewSubredditDetailActivity.EXTRA_SUBREDDIT_NAME_KEY, path.substring(3, path.length() - 14));
+                                intent.putExtra(ViewSubredditDetailActivity.EXTRA_VIEW_SIDEBAR, true);
                                 startActivity(intent);
                             } else if (path.matches(MULTIREDDIT_PATTERN)) {
                                 Intent intent = new Intent(this, ViewMultiRedditDetailActivity.class);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java
index 03deb8ff..ee4ecb8d 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImageOrGifActivity.java
@@ -36,6 +36,7 @@ import com.bumptech.glide.request.RequestListener;
 import com.bumptech.glide.request.target.CustomTarget;
 import com.bumptech.glide.request.target.Target;
 import com.bumptech.glide.request.transition.Transition;
+import com.thefuntasty.hauler.DragDirection;
 import com.thefuntasty.hauler.HaulerView;
 
 import java.io.File;
@@ -150,6 +151,12 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
             setTitle("");
         }
 
+        mHaulerView.setOnDragDismissedListener(dragDirection -> {
+            int slide = dragDirection == DragDirection.UP ? R.anim.slide_out_up : R.anim.slide_out_down;
+            finish();
+            overridePendingTransition(0, slide);
+        });
+
         mLoadErrorLinearLayout.setOnClickListener(view -> {
             mProgressBar.setVisibility(View.VISIBLE);
             mLoadErrorLinearLayout.setVisibility(View.GONE);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImgurMediaActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImgurMediaActivity.java
index d14886ff..bf56ffac 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImgurMediaActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewImgurMediaActivity.java
@@ -19,6 +19,7 @@ import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentStatePagerAdapter;
 import androidx.viewpager.widget.ViewPager;
 
+import com.thefuntasty.hauler.DragDirection;
 import com.thefuntasty.hauler.HaulerView;
 
 import org.json.JSONArray;
@@ -130,7 +131,11 @@ public class ViewImgurMediaActivity extends AppCompatActivity implements SetAsWa
             images = savedInstanceState.getParcelableArrayList(IMGUR_IMAGES_STATE);
         }
 
-        haulerView.setOnDragDismissedListener(dragDirection -> finish());
+        haulerView.setOnDragDismissedListener(dragDirection -> {
+            int slide = dragDirection == DragDirection.UP ? R.anim.slide_out_up : R.anim.slide_out_down;
+            finish();
+            overridePendingTransition(0, slide);
+        });
 
         if (images == null) {
             fetchImgurMedia(imgurId);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSidebarActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSidebarActivity.java
deleted file mode 100644
index 826ba33d..00000000
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSidebarActivity.java
+++ /dev/null
@@ -1,251 +0,0 @@
-package ml.docilealligator.infinityforreddit.Activity;
-
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.net.Uri;
-import android.os.Build;
-import android.os.Bundle;
-import android.text.Spanned;
-import android.text.style.SuperscriptSpan;
-import android.text.util.Linkify;
-import android.util.TypedValue;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.Window;
-import android.view.WindowManager;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.widget.Toolbar;
-import androidx.coordinatorlayout.widget.CoordinatorLayout;
-import androidx.lifecycle.ViewModelProvider;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-import androidx.swiperefreshlayout.widget.SwipeRefreshLayout;
-
-import com.google.android.material.appbar.AppBarLayout;
-
-import org.commonmark.ext.gfm.tables.TableBlock;
-
-import javax.inject.Inject;
-import javax.inject.Named;
-
-import butterknife.BindView;
-import butterknife.ButterKnife;
-import io.noties.markwon.AbstractMarkwonPlugin;
-import io.noties.markwon.Markwon;
-import io.noties.markwon.MarkwonConfiguration;
-import io.noties.markwon.ext.strikethrough.StrikethroughPlugin;
-import io.noties.markwon.linkify.LinkifyPlugin;
-import io.noties.markwon.recycler.MarkwonAdapter;
-import io.noties.markwon.recycler.table.TableEntry;
-import io.noties.markwon.recycler.table.TableEntryPlugin;
-import io.noties.markwon.simple.ext.SimpleExtPlugin;
-import io.noties.markwon.urlprocessor.UrlProcessorRelativeToAbsolute;
-import ml.docilealligator.infinityforreddit.ActivityToolbarInterface;
-import ml.docilealligator.infinityforreddit.AsyncTask.InsertSubredditDataAsyncTask;
-import ml.docilealligator.infinityforreddit.CustomTheme.CustomThemeWrapper;
-import ml.docilealligator.infinityforreddit.FetchSubredditData;
-import ml.docilealligator.infinityforreddit.Infinity;
-import ml.docilealligator.infinityforreddit.R;
-import ml.docilealligator.infinityforreddit.RedditDataRoomDatabase;
-import ml.docilealligator.infinityforreddit.SubredditDatabase.SubredditData;
-import ml.docilealligator.infinityforreddit.SubredditDatabase.SubredditViewModel;
-import retrofit2.Retrofit;
-
-public class ViewSidebarActivity extends BaseActivity implements ActivityToolbarInterface {
-
-    public static final String EXTRA_SUBREDDIT_NAME = "ESN";
-    @BindView(R.id.coordinator_layout_view_sidebar_activity)
-    CoordinatorLayout coordinatorLayout;
-    @BindView(R.id.appbar_layout_view_sidebar_activity)
-    AppBarLayout appBarLayout;
-    @BindView(R.id.toolbar_view_sidebar_activity)
-    Toolbar toolbar;
-    @BindView(R.id.swipe_refresh_layout_view_sidebar_activity)
-    SwipeRefreshLayout swipeRefreshLayout;
-    @BindView(R.id.markdown_recycler_view_view_sidebar_activity)
-    RecyclerView markdownRecyclerView;
-    @Inject
-    @Named("no_oauth")
-    Retrofit mRetrofit;
-    @Inject
-    RedditDataRoomDatabase mRedditDataRoomDatabase;
-    @Inject
-    @Named("default")
-    SharedPreferences mSharedPreferences;
-    @Inject
-    CustomThemeWrapper mCustomThemeWrapper;
-    public SubredditViewModel mSubredditViewModel;
-    private LinearLayoutManager mLinearLayoutManager;
-    private String subredditName;
-    private int markdownColor;
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        ((Infinity) getApplication()).getAppComponent().inject(this);
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_view_sidebar);
-
-        ButterKnife.bind(this);
-
-        applyCustomTheme();
-
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            Window window = getWindow();
-
-            if (isChangeStatusBarIconColor()) {
-                addOnOffsetChangedListener(appBarLayout);
-            }
-
-            if (isImmersiveInterface()) {
-                window.setFlags(WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS, WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
-                adjustToolbar(toolbar);
-
-                int navBarHeight = getNavBarHeight();
-                if (navBarHeight > 0) {
-                    int px = (int) TypedValue.applyDimension(
-                            TypedValue.COMPLEX_UNIT_DIP,
-                            16,
-                            getResources().getDisplayMetrics()
-                    );
-                    markdownRecyclerView.setPadding(px, px, px, navBarHeight);
-                }
-            }
-        }
-
-        subredditName = getIntent().getStringExtra(EXTRA_SUBREDDIT_NAME);
-        if (subredditName == null) {
-            Toast.makeText(this, R.string.error_getting_subreddit_name, Toast.LENGTH_SHORT).show();
-            finish();
-            return;
-        }
-
-        toolbar.setTitle("r/" + subredditName);
-        setSupportActionBar(toolbar);
-        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
-        setToolbarGoToTop(toolbar);
-
-        Markwon markwon = Markwon.builder(this)
-                .usePlugin(new AbstractMarkwonPlugin() {
-                    @Override
-                    public void beforeSetText(@NonNull TextView textView, @NonNull Spanned markdown) {
-                        textView.setTextColor(markdownColor);
-                    }
-
-                    @Override
-                    public void configureConfiguration(@NonNull MarkwonConfiguration.Builder builder) {
-                        builder.linkResolver((view, link) -> {
-                            Intent intent = new Intent(ViewSidebarActivity.this, LinkResolverActivity.class);
-                            Uri uri = Uri.parse(link);
-                            if (uri.getScheme() == null && uri.getHost() == null) {
-                                intent.setData(LinkResolverActivity.getRedditUriByPath(link));
-                            } else {
-                                intent.setData(uri);
-                            }
-                            ViewSidebarActivity.this.startActivity(intent);
-                        }).urlProcessor(new UrlProcessorRelativeToAbsolute("https://www.reddit.com"));
-                    }
-                })
-                .usePlugin(StrikethroughPlugin.create())
-                .usePlugin(LinkifyPlugin.create(Linkify.WEB_URLS))
-                .usePlugin(SimpleExtPlugin.create(plugin ->
-                                plugin.addExtension(1, '^', (configuration, props) -> {
-                                    return new SuperscriptSpan();
-                                })
-                        )
-                )
-                .usePlugin(TableEntryPlugin.create(this))
-                .build();
-        MarkwonAdapter markwonAdapter = MarkwonAdapter.builder(R.layout.adapter_default_entry, R.id.text)
-                .include(TableBlock.class, TableEntry.create(builder -> builder
-                        .tableLayout(R.layout.adapter_table_block, R.id.table_layout)
-                        .textLayoutIsRoot(R.layout.view_table_entry_cell)))
-                .build();
-
-        mLinearLayoutManager = new LinearLayoutManager(this);
-        markdownRecyclerView.setLayoutManager(mLinearLayoutManager);
-        markdownRecyclerView.setAdapter(markwonAdapter);
-
-        mSubredditViewModel = new ViewModelProvider(this,
-                new SubredditViewModel.Factory(getApplication(), mRedditDataRoomDatabase, subredditName))
-                .get(SubredditViewModel.class);
-        mSubredditViewModel.getSubredditLiveData().observe(this, subredditData -> {
-            if (subredditData != null) {
-                if (subredditData.getSidebarDescription() != null && !subredditData.getSidebarDescription().equals("")) {
-                    markwonAdapter.setMarkdown(markwon, subredditData.getSidebarDescription());
-                    markwonAdapter.notifyDataSetChanged();
-                }
-            } else {
-                fetchSubredditData();
-            }
-        });
-
-        swipeRefreshLayout.setOnRefreshListener(this::fetchSubredditData);
-    }
-
-    private void fetchSubredditData() {
-        swipeRefreshLayout.setRefreshing(true);
-        FetchSubredditData.fetchSubredditData(mRetrofit, subredditName, new FetchSubredditData.FetchSubredditDataListener() {
-            @Override
-            public void onFetchSubredditDataSuccess(SubredditData subredditData, int nCurrentOnlineSubscribers) {
-                swipeRefreshLayout.setRefreshing(false);
-                new InsertSubredditDataAsyncTask(mRedditDataRoomDatabase, subredditData, () -> swipeRefreshLayout.setRefreshing(false)).execute();
-            }
-
-            @Override
-            public void onFetchSubredditDataFail() {
-                swipeRefreshLayout.setRefreshing(false);
-                Toast.makeText(ViewSidebarActivity.this, R.string.cannot_fetch_sidebar, Toast.LENGTH_SHORT).show();
-            }
-        });
-    }
-
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        getMenuInflater().inflate(R.menu.view_sidebar_activity, menu);
-        applyMenuItemTheme(menu);
-        return true;
-    }
-
-    @Override
-    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
-        if (item.getItemId() == android.R.id.home) {
-            finish();
-            return true;
-        } else if (item.getItemId() == R.id.action_refresh_view_sidebar_activity) {
-            if (!swipeRefreshLayout.isRefreshing()) {
-                fetchSubredditData();
-            }
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public SharedPreferences getSharedPreferences() {
-        return mSharedPreferences;
-    }
-
-    @Override
-    protected CustomThemeWrapper getCustomThemeWrapper() {
-        return mCustomThemeWrapper;
-    }
-
-    @Override
-    protected void applyCustomTheme() {
-        coordinatorLayout.setBackgroundColor(mCustomThemeWrapper.getBackgroundColor());
-        applyAppBarLayoutAndToolbarTheme(appBarLayout, toolbar);
-        swipeRefreshLayout.setProgressBackgroundColorSchemeColor(mCustomThemeWrapper.getCircularProgressBarBackground());
-        swipeRefreshLayout.setColorSchemeColors(mCustomThemeWrapper.getColorAccent());
-        markdownColor = mCustomThemeWrapper.getSecondaryTextColor();
-    }
-
-    @Override
-    public void onLongPress() {
-        if (mLinearLayoutManager != null) {
-            mLinearLayoutManager.scrollToPositionWithOffset(0, 0);
-        }
-    }
-}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java
index 439c976e..1accdeec 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewSubredditDetailActivity.java
@@ -90,6 +90,7 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
     public static final String EXTRA_SUBREDDIT_NAME_KEY = "ESN";
     public static final String EXTRA_MESSAGE_FULLNAME = "ENF";
     public static final String EXTRA_NEW_ACCOUNT_NAME = "ENAN";
+    public static final String EXTRA_VIEW_SIDEBAR = "EVSB";
 
     private static final String FETCH_SUBREDDIT_INFO_STATE = "FSIS";
     private static final String CURRENT_ONLINE_SUBSCRIBERS_STATE = "COSS";
@@ -627,6 +628,12 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
         viewPager.setOffscreenPageLimit(2);
         tabLayout.setupWithViewPager(viewPager);
 
+
+        boolean viewSidebar = getIntent().getBooleanExtra(EXTRA_VIEW_SIDEBAR, false);
+        if (viewSidebar) {
+            viewPager.setCurrentItem(1, false);
+        }
+
         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
             @Override
             public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
@@ -726,11 +733,6 @@ public class ViewSubredditDetailActivity extends BaseActivity implements SortTyp
             case R.id.action_change_post_layout_view_subreddit_detail_activity:
                 postLayoutBottomSheetFragment.show(getSupportFragmentManager(), postLayoutBottomSheetFragment.getTag());
                 return true;
-            case R.id.action_view_side_bar_view_subreddit_detail_activity:
-                Intent sidebarIntent = new Intent(this, ViewSidebarActivity.class);
-                sidebarIntent.putExtra(ViewSidebarActivity.EXTRA_SUBREDDIT_NAME, subredditName);
-                startActivity(sidebarIntent);
-                return true;
             case R.id.action_share_view_subreddit_detail_activity:
                 Intent shareIntent = new Intent(Intent.ACTION_SEND);
                 shareIntent.setType("text/plain");
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
index 5bb95350..56e01c27 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Activity/ViewVideoActivity.java
@@ -44,6 +44,7 @@ import com.google.android.exoplayer2.upstream.DataSource;
 import com.google.android.exoplayer2.upstream.DefaultDataSourceFactory;
 import com.google.android.exoplayer2.upstream.DefaultHttpDataSourceFactory;
 import com.google.android.exoplayer2.util.Util;
+import com.thefuntasty.hauler.DragDirection;
 import com.thefuntasty.hauler.HaulerView;
 
 import javax.inject.Inject;
@@ -158,7 +159,13 @@ public class ViewVideoActivity extends AppCompatActivity {
             params.rightMargin = getResources().getDimensionPixelSize(resourceId);
         }
 
-        haulerView.setOnDragDismissedListener(dragDirection -> finish());
+        haulerView.setOnDragDismissedListener(dragDirection -> {
+            int slide = dragDirection == DragDirection.UP ? R.anim.slide_out_up : R.anim.slide_out_down;
+            finish();
+            overridePendingTransition(0, slide);
+        });
+
+        mediaDownloader = new MediaDownloaderImpl();
 
         mediaDownloader = new MediaDownloaderImpl();
 
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
index 97309123..9e763433 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AppComponent.java
@@ -37,7 +37,6 @@ import ml.docilealligator.infinityforreddit.Activity.ViewImgurMediaActivity;
 import ml.docilealligator.infinityforreddit.Activity.ViewMessageActivity;
 import ml.docilealligator.infinityforreddit.Activity.ViewMultiRedditDetailActivity;
 import ml.docilealligator.infinityforreddit.Activity.ViewPostDetailActivity;
-import ml.docilealligator.infinityforreddit.Activity.ViewSidebarActivity;
 import ml.docilealligator.infinityforreddit.Activity.ViewSubredditDetailActivity;
 import ml.docilealligator.infinityforreddit.Activity.ViewUserDetailActivity;
 import ml.docilealligator.infinityforreddit.Activity.ViewVideoActivity;
@@ -139,8 +138,6 @@ public interface AppComponent {
 
     void inject(ViewMultiRedditDetailActivity viewMultiRedditDetailActivity);
 
-    void inject(ViewSidebarActivity viewSidebarActivity);
-
     void inject(ViewVideoActivity viewVideoActivity);
 
     void inject(GesturesAndButtonsPreferenceFragment gesturesAndButtonsPreferenceFragment);
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SetAsWallpaperAsyncTask.java b/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SetAsWallpaperAsyncTask.java
new file mode 100644
index 00000000..9e3aa8f5
--- /dev/null
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/AsyncTask/SetAsWallpaperAsyncTask.java
@@ -0,0 +1,98 @@
+package ml.docilealligator.infinityforreddit.AsyncTask;
+
+import android.app.WallpaperManager;
+import android.graphics.Bitmap;
+import android.graphics.Rect;
+import android.media.ThumbnailUtils;
+import android.os.AsyncTask;
+import android.os.Build;
+import android.util.DisplayMetrics;
+import android.view.WindowManager;
+
+import java.io.IOException;
+
+public class SetAsWallpaperAsyncTask extends AsyncTask<Void, Void, Void> {
+
+    private Bitmap bitmap;
+    private int setTo;
+    private WallpaperManager manager;
+    private WindowManager windowManager;
+    private SetAsWallpaperAsyncTaskListener setAsWallpaperAsyncTaskListener;
+    private boolean success = true;
+
+    public SetAsWallpaperAsyncTask(Bitmap bitmap, int setTo, WallpaperManager manager, WindowManager windowManager,
+                                   SetAsWallpaperAsyncTaskListener setAsWallpaperAsyncTaskListener) {
+        this.bitmap = bitmap;
+        this.setTo = setTo;
+        this.manager = manager;
+        this.windowManager = windowManager;
+        this.setAsWallpaperAsyncTaskListener = setAsWallpaperAsyncTaskListener;
+    }
+
+    public interface SetAsWallpaperAsyncTaskListener {
+        void success();
+        void failed();
+    }
+
+    @Override
+    protected Void doInBackground(Void... voids) {
+        DisplayMetrics metrics = new DisplayMetrics();
+        Rect rect = null;
+
+        if (windowManager != null) {
+            windowManager.getDefaultDisplay().getMetrics(metrics);
+            int height = metrics.heightPixels;
+            int width = metrics.widthPixels;
+
+            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
+                bitmap = ThumbnailUtils.extractThumbnail(bitmap, width, height);
+            }
+
+            float imageAR = (float) bitmap.getWidth() / (float) bitmap.getHeight();
+            float screenAR = (float) width / (float) height;
+
+            if (imageAR > screenAR) {
+                int desiredWidth = (int) (bitmap.getHeight() * screenAR);
+                rect = new Rect((bitmap.getWidth() - desiredWidth) / 2, 0, bitmap.getWidth(), bitmap.getHeight());
+            } else {
+                int desiredHeight = (int) (bitmap.getWidth() / screenAR);
+                rect = new Rect(0, (bitmap.getHeight() - desiredHeight) / 2, bitmap.getWidth(), (bitmap.getHeight() + desiredHeight) / 2);
+            }
+        }
+        try {
+            switch (setTo) {
+                case 0:
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                        manager.setBitmap(bitmap, rect, true, WallpaperManager.FLAG_SYSTEM);
+                    }
+                    break;
+                case 1:
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                        manager.setBitmap(bitmap, rect, true, WallpaperManager.FLAG_LOCK);
+                    }
+                    break;
+                case 2:
+                    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                        manager.setBitmap(bitmap, rect, true, WallpaperManager.FLAG_SYSTEM | WallpaperManager.FLAG_LOCK);
+                    } else {
+                        manager.setBitmap(bitmap);
+                    }
+                    break;
+            }
+        } catch (IOException e) {
+            success = false;
+        }
+
+        return null;
+    }
+
+    @Override
+    protected void onPostExecute(Void aVoid) {
+        super.onPostExecute(aVoid);
+        if (success) {
+            setAsWallpaperAsyncTaskListener.success();
+        } else {
+            setAsWallpaperAsyncTaskListener.failed();
+        }
+    }
+}
diff --git a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SidebarFragment.java b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SidebarFragment.java
index dbafed2d..9d9aa9b7 100644
--- a/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SidebarFragment.java
+++ b/app/src/main/java/ml/docilealligator/infinityforreddit/Fragment/SidebarFragment.java
@@ -50,9 +50,6 @@ import ml.docilealligator.infinityforreddit.SubredditDatabase.SubredditData;
 import ml.docilealligator.infinityforreddit.SubredditDatabase.SubredditViewModel;
 import retrofit2.Retrofit;
 
-/**
- * A simple {@link Fragment} subclass.
- */
 public class SidebarFragment extends Fragment {
 
     public static final String EXTRA_SUBREDDIT_NAME = "ESN";
@@ -152,7 +149,7 @@ public class SidebarFragment extends Fragment {
         mSubredditViewModel = new ViewModelProvider(this,
                 new SubredditViewModel.Factory(activity.getApplication(), mRedditDataRoomDatabase, subredditName))
                 .get(SubredditViewModel.class);
-        mSubredditViewModel.getSubredditLiveData().observe(this, subredditData -> {
+        mSubredditViewModel.getSubredditLiveData().observe(getViewLifecycleOwner(), subredditData -> {
             if (subredditData != null) {
                 if (subredditData.getSidebarDescription() != null && !subredditData.getSidebarDescription().equals("")) {
                     markwonAdapter.setMarkdown(markwon, subredditData.getSidebarDescription());
diff --git a/app/src/main/res/anim/slide_out_down.xml b/app/src/main/res/anim/slide_out_down.xml
new file mode 100644
index 00000000..4c64d6c4
--- /dev/null
+++ b/app/src/main/res/anim/slide_out_down.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="@android:integer/config_shortAnimTime"
+        android:fromYDelta="0"
+        android:toYDelta="+50%p" />
+    <alpha
+        android:duration="@android:integer/config_shortAnimTime"
+        android:fromAlpha="1.0"
+        android:toAlpha="0.0" />
+</set>
diff --git a/app/src/main/res/anim/slide_out_up.xml b/app/src/main/res/anim/slide_out_up.xml
new file mode 100644
index 00000000..945e2b7e
--- /dev/null
+++ b/app/src/main/res/anim/slide_out_up.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<set xmlns:android="http://schemas.android.com/apk/res/android">
+    <translate
+        android:duration="@android:integer/config_shortAnimTime"
+        android:fromYDelta="0"
+        android:toYDelta="-50%p" />
+    <alpha
+        android:duration="@android:integer/config_shortAnimTime"
+        android:fromAlpha="1.0"
+        android:toAlpha="0.0" />
+</set>
diff --git a/app/src/main/res/layout/activity_view_sidebar.xml b/app/src/main/res/layout/activity_view_sidebar.xml
deleted file mode 100644
index 94a120ef..00000000
--- a/app/src/main/res/layout/activity_view_sidebar.xml
+++ /dev/null
@@ -1,50 +0,0 @@
-<?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:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:id="@+id/coordinator_layout_view_sidebar_activity"
-    tools:context=".Activity.ViewSidebarActivity">
-
-    <com.google.android.material.appbar.AppBarLayout
-        android:id="@+id/appbar_layout_view_sidebar_activity"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:theme="@style/AppTheme.AppBarOverlay">
-
-        <com.google.android.material.appbar.CollapsingToolbarLayout
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            app:layout_scrollFlags="scroll|enterAlways"
-            app:titleEnabled="false"
-            app:toolbarId="@+id/toolbar_view_sidebar_activity">
-
-            <androidx.appcompat.widget.Toolbar
-                android:id="@+id/toolbar_view_sidebar_activity"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:minHeight="?attr/actionBarSize"
-                app:popupTheme="@style/AppTheme.PopupOverlay"
-                app:navigationIcon="?attr/homeAsUpIndicator" />
-
-        </com.google.android.material.appbar.CollapsingToolbarLayout>
-
-    </com.google.android.material.appbar.AppBarLayout>
-
-    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-        android:id="@+id/swipe_refresh_layout_view_sidebar_activity"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        app:layout_behavior="@string/appbar_scrolling_view_behavior">
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/markdown_recycler_view_view_sidebar_activity"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:padding="16dp"
-            android:clipToPadding="false" />
-
-    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
-
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/view_sidebar_activity.xml b/app/src/main/res/menu/view_sidebar_activity.xml
deleted file mode 100644
index fa5d9123..00000000
--- a/app/src/main/res/menu/view_sidebar_activity.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<menu xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto">
-    <item
-        android:id="@+id/action_refresh_view_sidebar_activity"
-        android:orderInCategory="1"
-        android:title="@string/action_refresh"
-        android:icon="@drawable/ic_refresh_toolbar_24dp"
-        app:showAsAction="ifRoom" />
-</menu>
\ No newline at end of file
diff --git a/app/src/main/res/menu/view_subreddit_detail_activity.xml b/app/src/main/res/menu/view_subreddit_detail_activity.xml
index 9365ed2e..daea0d09 100644
--- a/app/src/main/res/menu/view_subreddit_detail_activity.xml
+++ b/app/src/main/res/menu/view_subreddit_detail_activity.xml
@@ -35,14 +35,8 @@
         app:showAsAction="never" />
 
     <item
-        android:id="@+id/action_view_side_bar_view_subreddit_detail_activity"
-        android:orderInCategory="6"
-        android:title="@string/action_view_side_bar"
-        app:showAsAction="never" />
-
-    <item
         android:id="@+id/action_share_view_subreddit_detail_activity"
         android:orderInCategory="7"
         android:title="@string/action_share"
         app:showAsAction="never" />
-</menu>
\ No newline at end of file
+</menu>