Use bottom toolbar in ViewRedditGalleryImageOrGifFragment is available.

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

@@ -55,6 +55,7 @@ public class ViewRedditGalleryActivity extends AppCompatActivity implements SetA
     private SectionsPagerAdapter sectionsPagerAdapter;
     private ArrayList<Post.Gallery> gallery;
     private String subredditName;
+    private boolean useBottomAppBar;
     @Inject
     @Named("default")
     SharedPreferences sharedPreferences;
@@ -91,10 +92,17 @@ public class ViewRedditGalleryActivity extends AppCompatActivity implements SetA
 
         ButterKnife.bind(this);
 
-        ActionBar actionBar = getSupportActionBar();
+        useBottomAppBar = sharedPreferences.getBoolean(SharedPreferencesUtils.USE_BOTTOM_TOOLBAR_IN_MEDIA_VIEWER, false);
-        Drawable upArrow = getResources().getDrawable(R.drawable.ic_arrow_back_white_24dp);
+
-        actionBar.setHomeAsUpIndicator(upArrow);
+        if (!useBottomAppBar) {
-        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.transparentActionBarAndExoPlayerControllerColor)));
+            ActionBar actionBar = getSupportActionBar();
+            Drawable upArrow = getResources().getDrawable(R.drawable.ic_arrow_back_white_24dp);
+            actionBar.setHomeAsUpIndicator(upArrow);
+            actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.transparentActionBarAndExoPlayerControllerColor)));
+            setTitle(" ");
+        } else {
+            getSupportActionBar().hide();
+        }
 
         setTitle(" ");
 
@@ -118,6 +126,10 @@ public class ViewRedditGalleryActivity extends AppCompatActivity implements SetA
         setupViewPager();
     }
 
+    public boolean isUseBottomAppBar() {
+        return useBottomAppBar;
+    }
+
     private void setupViewPager() {
         setToolbarTitle(0);
         sectionsPagerAdapter = new SectionsPagerAdapter(getSupportFragmentManager());

app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewRedditGalleryImageOrGifFragment.java

@@ -16,8 +16,10 @@ import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
+import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
@@ -41,6 +43,7 @@ import com.github.piasy.biv.loader.ImageLoader;
 import com.github.piasy.biv.loader.glide.GlideImageLoader;
 import com.github.piasy.biv.view.BigImageView;
 import com.github.piasy.biv.view.GlideImageViewFactory;
+import com.google.android.material.bottomappbar.BottomAppBar;
 
 import java.io.File;
 import java.util.concurrent.Executor;
@@ -72,6 +75,16 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
     BigImageView imageView;
     @BindView(R.id.load_image_error_linear_layout_view_reddit_gallery_image_or_gif_fragment)
     LinearLayout errorLinearLayout;
+    @BindView(R.id.bottom_navigation_view_reddit_gallery_image_or_gif_fragment)
+    BottomAppBar bottomAppBar;
+    @BindView(R.id.title_text_view_view_reddit_gallery_image_or_gif_fragment)
+    TextView titleTextView;
+    @BindView(R.id.download_image_view_view_reddit_gallery_image_or_gif_fragment)
+    ImageView downloadImageView;
+    @BindView(R.id.share_image_view_view_reddit_gallery_image_or_gif_fragment)
+    ImageView shareImageView;
+    @BindView(R.id.wallpaper_image_view_view_reddit_gallery_image_or_gif_fragment)
+    ImageView wallpaperImageView;
     @Inject
     Executor mExecutor;
 
@@ -192,6 +205,9 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
                                 | View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
                                 | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
                 isActionBarHidden = false;
+                if (activity.isUseBottomAppBar()) {
+                    bottomAppBar.setVisibility(View.VISIBLE);
+                }
             } else {
                 activity.getWindow().getDecorView().setSystemUiVisibility(
                         View.SYSTEM_UI_FLAG_LAYOUT_STABLE
@@ -201,6 +217,9 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
                                 | View.SYSTEM_UI_FLAG_FULLSCREEN
                                 | View.SYSTEM_UI_FLAG_IMMERSIVE);
                 isActionBarHidden = true;
+                if (activity.isUseBottomAppBar()) {
+                    bottomAppBar.setVisibility(View.GONE);
+                }
             }
         });
 
@@ -210,6 +229,27 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
             loadImage();
         });
 
+        if (activity.isUseBottomAppBar()) {
+            bottomAppBar.setVisibility(View.VISIBLE);
+            downloadImageView.setOnClickListener(view -> {
+                if (isDownloading) {
+                    return;
+                }
+                isDownloading = true;
+                requestPermissionAndDownload();
+            });
+            shareImageView.setOnClickListener(view -> {
+                if (media.mediaType == Post.Gallery.TYPE_GIF) {
+                    shareGif();
+                } else {
+                    shareImage();
+                }
+            });
+            wallpaperImageView.setOnClickListener(view -> {
+                setWallpaper();
+            });
+        }
+
         return rootView;
     }
 
@@ -230,26 +270,8 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
             if (isDownloading) {
                 return false;
             }
-
             isDownloading = true;
-
+            requestPermissionAndDownload();
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
-                if (ContextCompat.checkSelfPermission(activity,
-                        Manifest.permission.WRITE_EXTERNAL_STORAGE)
-                        != PackageManager.PERMISSION_GRANTED) {
-
-                    // Permission is not granted
-                    // No explanation needed; request the permission
-                    requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
-                            PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE);
-                } else {
-                    // Permission has already been granted
-                    download();
-                }
-            } else {
-                download();
-            }
-
             return true;
         } else if (itemId == R.id.action_share_view_reddit_gallery_image_or_gif_fragment) {
             if (media.mediaType == Post.Gallery.TYPE_GIF) {
@@ -259,21 +281,32 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
             }
             return true;
         } else if (itemId == R.id.action_set_wallpaper_view_reddit_gallery_image_or_gif_fragment) {
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            setWallpaper();
-                SetAsWallpaperBottomSheetFragment setAsWallpaperBottomSheetFragment = new SetAsWallpaperBottomSheetFragment();
-                Bundle bundle = new Bundle();
-                bundle.putInt(SetAsWallpaperBottomSheetFragment.EXTRA_VIEW_PAGER_POSITION, activity.getCurrentPagePosition());
-                setAsWallpaperBottomSheetFragment.setArguments(bundle);
-                setAsWallpaperBottomSheetFragment.show(activity.getSupportFragmentManager(), setAsWallpaperBottomSheetFragment.getTag());
-            } else {
-                ((SetAsWallpaperCallback) activity).setToBoth(activity.getCurrentPagePosition());
-            }
             return true;
         }
 
         return false;
     }
 
+    private void requestPermissionAndDownload() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+            if (ContextCompat.checkSelfPermission(activity,
+                    Manifest.permission.WRITE_EXTERNAL_STORAGE)
+                    != PackageManager.PERMISSION_GRANTED) {
+
+                // Permission is not granted
+                // No explanation needed; request the permission
+                requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},
+                        PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE);
+            } else {
+                // Permission has already been granted
+                download();
+            }
+        } else {
+            download();
+        }
+    }
+
     private void download() {
         isDownloading = false;
 
@@ -366,6 +399,20 @@ public class ViewRedditGalleryImageOrGifFragment extends Fragment {
         }).submit();
     }
 
+    private void setWallpaper() {
+        if (media.mediaType != Post.Gallery.TYPE_GIF) {
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+                SetAsWallpaperBottomSheetFragment setAsWallpaperBottomSheetFragment = new SetAsWallpaperBottomSheetFragment();
+                Bundle bundle = new Bundle();
+                bundle.putInt(SetAsWallpaperBottomSheetFragment.EXTRA_VIEW_PAGER_POSITION, activity.getCurrentPagePosition());
+                setAsWallpaperBottomSheetFragment.setArguments(bundle);
+                setAsWallpaperBottomSheetFragment.show(activity.getSupportFragmentManager(), setAsWallpaperBottomSheetFragment.getTag());
+            } else {
+                ((SetAsWallpaperCallback) activity).setToBoth(activity.getCurrentPagePosition());
+            }
+        }
+    }
+
     @Override
     public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         if (requestCode == PERMISSION_REQUEST_WRITE_EXTERNAL_STORAGE && grantResults.length > 0) {

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/constraintLayout"
@@ -11,7 +11,7 @@
         android:id="@+id/progress_bar_view_reddit_gallery_image_or_gif_fragment"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true" />
+        android:layout_gravity="center" />
 
     <com.github.piasy.biv.view.BigImageView
         android:id="@+id/image_view_view_reddit_gallery_image_or_gif_fragment"
@@ -39,4 +39,61 @@
 
     </LinearLayout>
 
-</RelativeLayout>
+    <com.google.android.material.bottomappbar.BottomAppBar
+        android:id="@+id/bottom_navigation_view_reddit_gallery_image_or_gif_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom"
+        android:backgroundTint="#80000000"
+        android:visibility="gone"
+        style="@style/Widget.MaterialComponents.BottomAppBar">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/title_text_view_view_reddit_gallery_image_or_gif_fragment"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:layout_gravity="center_vertical"
+                android:gravity="center_vertical"
+                android:paddingTop="8dp"
+                android:paddingBottom="8dp"
+                android:textColor="#FFFFFF"
+                android:textSize="?attr/font_20"
+                android:fontFamily="?attr/font_family"
+                android:maxLines="1"
+                android:ellipsize="end" />
+
+            <ImageView
+                android:id="@+id/download_image_view_view_reddit_gallery_image_or_gif_fragment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="16dp"
+                android:src="@drawable/ic_file_download_toolbar_white_24dp"
+                android:background="?attr/selectableItemBackgroundBorderless" />
+
+            <ImageView
+                android:id="@+id/share_image_view_view_reddit_gallery_image_or_gif_fragment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:padding="16dp"
+                android:src="@drawable/ic_share_toolbar_white_24dp"
+                android:background="?attr/selectableItemBackgroundBorderless" />
+
+            <ImageView
+                android:id="@+id/wallpaper_image_view_view_reddit_gallery_image_or_gif_fragment"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_marginEnd="16dp"
+                android:padding="16dp"
+                android:src="@drawable/ic_wallpaper_white_24dp"
+                android:background="?attr/selectableItemBackgroundBorderless" />
+
+        </LinearLayout>
+
+    </com.google.android.material.bottomappbar.BottomAppBar>
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>