Use bottom toolbar in ViewImgurImageFragment is available.

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

@@ -144,11 +144,6 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
 
         ButterKnife.bind(this);
 
-        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)));
-
         if (mSharedPreferences.getBoolean(SharedPreferencesUtils.SWIPE_VERTICALLY_TO_GO_BACK_FROM_MEDIA, true)) {
             Slidr.attach(this, new SlidrConfig.Builder().position(SlidrPosition.VERTICAL).distanceThreshold(0.125f).build());
         }
@@ -181,6 +176,7 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
 
         if (useBottomAppBar) {
             getSupportActionBar().hide();
+            bottomAppBar.setVisibility(View.VISIBLE);
             downloadImageView.setOnClickListener(view -> {
                 if (isDownloading) {
                     return;
@@ -198,7 +194,10 @@ public class ViewImageOrGifActivity extends AppCompatActivity implements SetAsWa
                 setWallpaper();
             });
         } else {
-            bottomAppBar.setVisibility(View.GONE);
+            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)));
         }
 
         mLoadErrorLinearLayout.setOnClickListener(view -> {

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

@@ -77,6 +77,7 @@ public class ViewImgurMediaActivity extends AppCompatActivity implements SetAsWa
     LinearLayout errorLinearLayout;
     private SectionsPagerAdapter sectionsPagerAdapter;
     private ArrayList<ImgurMedia> images;
+    private boolean useBottomAppBar;
     @Inject
     @Named("imgur")
     Retrofit imgurRetrofit;
@@ -116,12 +117,17 @@ public class ViewImgurMediaActivity extends AppCompatActivity implements SetAsWa
 
         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);
-        actionBar.setBackgroundDrawable(new ColorDrawable(getResources().getColor(R.color.transparentActionBarAndExoPlayerControllerColor)));
 
-        setTitle(" ");
+        if (!useBottomAppBar) {
+            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();
+        }
 
         String imgurId = getIntent().getStringExtra(EXTRA_IMGUR_ID);
         if (imgurId == null) {
@@ -153,6 +159,10 @@ public class ViewImgurMediaActivity extends AppCompatActivity implements SetAsWa
         errorLinearLayout.setOnClickListener(view -> fetchImgurMedia(imgurId));
     }
 
+    public boolean isUseBottomAppBar() {
+        return useBottomAppBar;
+    }
+
     private void fetchImgurMedia(String imgurId) {
         errorLinearLayout.setVisibility(View.GONE);
         progressBar.setVisibility(View.VISIBLE);

app/src/main/java/ml/docilealligator/infinityforreddit/fragments/ViewImgurImageFragment.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;
@@ -36,6 +38,7 @@ import com.bumptech.glide.request.target.Target;
 import com.bumptech.glide.request.transition.Transition;
 import com.davemorrissey.labs.subscaleview.ImageSource;
 import com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView;
+import com.google.android.material.bottomappbar.BottomAppBar;
 
 import java.io.File;
 import java.util.concurrent.Executor;
@@ -65,6 +68,16 @@ public class ViewImgurImageFragment extends Fragment {
     SubsamplingScaleImageView imageView;
     @BindView(R.id.load_image_error_linear_layout_view_imgur_image_fragment)
     LinearLayout errorLinearLayout;
+    @BindView(R.id.bottom_navigation_view_imgur_image_fragment)
+    BottomAppBar bottomAppBar;
+    @BindView(R.id.title_text_view_view_imgur_image_fragment)
+    TextView titleTextView;
+    @BindView(R.id.download_image_view_view_imgur_image_fragment)
+    ImageView downloadImageView;
+    @BindView(R.id.share_image_view_view_imgur_image_fragment)
+    ImageView shareImageView;
+    @BindView(R.id.wallpaper_image_view_view_imgur_image_fragment)
+    ImageView wallpaperImageView;
     @Inject
     Executor mExecutor;
 
@@ -81,7 +94,7 @@ public class ViewImgurImageFragment extends Fragment {
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        View rootView = inflater.inflate(R.layout.fragment_view_imgur_images, container, false);
+        View rootView = inflater.inflate(R.layout.fragment_view_imgur_image, container, false);
 
         ((Infinity) activity.getApplication()).getAppComponent().inject(this);
 
@@ -100,6 +113,9 @@ public class ViewImgurImageFragment 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
@@ -109,6 +125,9 @@ public class ViewImgurImageFragment extends Fragment {
                                 | View.SYSTEM_UI_FLAG_FULLSCREEN
                                 | View.SYSTEM_UI_FLAG_IMMERSIVE);
                 isActionBarHidden = true;
+                if (activity.isUseBottomAppBar()) {
+                    bottomAppBar.setVisibility(View.GONE);
+                }
             }
         });
         imageView.setMinimumDpi(80);
@@ -121,6 +140,23 @@ public class ViewImgurImageFragment extends Fragment {
             loadImage();
         });
 
+        if (activity.isUseBottomAppBar()) {
+            bottomAppBar.setVisibility(View.VISIBLE);
+            downloadImageView.setOnClickListener(view -> {
+                if (isDownloading) {
+                    return;
+                }
+                isDownloading = true;
+                requestPermissionAndDownload();
+            });
+            shareImageView.setOnClickListener(view -> {
+                shareImage();
+            });
+            wallpaperImageView.setOnClickListener(view -> {
+                setWallpaper();
+            });
+        }
+
         return rootView;
     }
 
@@ -164,83 +200,39 @@ public class ViewImgurImageFragment 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_imgur_image_fragment) {
-            glide.asBitmap().load(imgurMedia.getLink()).into(new CustomTarget<Bitmap>() {
+            shareImage();
-
-                @Override
-                public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
-                    if (activity.getExternalCacheDir() != null) {
-                        Toast.makeText(activity, R.string.save_image_first, Toast.LENGTH_SHORT).show();
-                        SaveBitmapImageToFile.SaveBitmapImageToFile(mExecutor, new Handler(), resource, activity.getExternalCacheDir().getPath(),
-                                imgurMedia.getFileName(),
-                                new SaveBitmapImageToFile.SaveBitmapImageToFileListener() {
-                                    @Override
-                                    public void saveSuccess(File imageFile) {
-                                        Uri uri = FileProvider.getUriForFile(activity,
-                                                BuildConfig.APPLICATION_ID + ".provider", imageFile);
-                                        Intent shareIntent = new Intent();
-                                        shareIntent.setAction(Intent.ACTION_SEND);
-                                        shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
-                                        shareIntent.setType("image/*");
-                                        shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-                                        startActivity(Intent.createChooser(shareIntent, getString(R.string.share)));
-                                    }
-
-                                    @Override
-                                    public void saveFailed() {
-                                        Toast.makeText(activity,
-                                                R.string.cannot_save_image, Toast.LENGTH_SHORT).show();
-                                    }
-                                });
-                    } else {
-                        Toast.makeText(activity,
-                                R.string.cannot_get_storage, Toast.LENGTH_SHORT).show();
-                    }
-                }
-
-                @Override
-                public void onLoadCleared(@Nullable Drawable placeholder) {
-
-                }
-            });
             return true;
         } else if (itemId == R.id.action_set_wallpaper_view_imgur_image_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;
 
@@ -252,6 +244,59 @@ public class ViewImgurImageFragment extends Fragment {
         Toast.makeText(activity, R.string.download_started, Toast.LENGTH_SHORT).show();
     }
 
+    private void shareImage() {
+        glide.asBitmap().load(imgurMedia.getLink()).into(new CustomTarget<Bitmap>() {
+
+            @Override
+            public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
+                if (activity.getExternalCacheDir() != null) {
+                    Toast.makeText(activity, R.string.save_image_first, Toast.LENGTH_SHORT).show();
+                    SaveBitmapImageToFile.SaveBitmapImageToFile(mExecutor, new Handler(), resource, activity.getExternalCacheDir().getPath(),
+                            imgurMedia.getFileName(),
+                            new SaveBitmapImageToFile.SaveBitmapImageToFileListener() {
+                                @Override
+                                public void saveSuccess(File imageFile) {
+                                    Uri uri = FileProvider.getUriForFile(activity,
+                                            BuildConfig.APPLICATION_ID + ".provider", imageFile);
+                                    Intent shareIntent = new Intent();
+                                    shareIntent.setAction(Intent.ACTION_SEND);
+                                    shareIntent.putExtra(Intent.EXTRA_STREAM, uri);
+                                    shareIntent.setType("image/*");
+                                    shareIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                                    startActivity(Intent.createChooser(shareIntent, getString(R.string.share)));
+                                }
+
+                                @Override
+                                public void saveFailed() {
+                                    Toast.makeText(activity,
+                                            R.string.cannot_save_image, Toast.LENGTH_SHORT).show();
+                                }
+                            });
+                } else {
+                    Toast.makeText(activity,
+                            R.string.cannot_get_storage, Toast.LENGTH_SHORT).show();
+                }
+            }
+
+            @Override
+            public void onLoadCleared(@Nullable Drawable placeholder) {
+
+            }
+        });
+    }
+
+    private void setWallpaper() {
+        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/activity_view_image_or_gif.xml

@@ -46,6 +46,7 @@
         android:layout_height="wrap_content"
         android:layout_gravity="bottom"
         android:backgroundTint="#80000000"
+        android:visibility="gone"
         style="@style/Widget.MaterialComponents.BottomAppBar">
 
         <LinearLayout

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

@@ -0,0 +1,97 @@
+<?xml version="1.0" encoding="utf-8"?>
+<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"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".fragments.ViewImgurImageFragment">
+
+    <ProgressBar
+        android:id="@+id/progress_bar_view_imgur_image_fragment"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center" />
+
+    <com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
+        android:id="@+id/image_view_view_imgur_image_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <LinearLayout
+        android:id="@+id/load_image_error_linear_layout_view_imgur_image_fragment"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+
+        <TextView
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:drawableTop="@drawable/ic_error_outline_white_24dp"
+            android:layout_gravity="center"
+            android:gravity="center"
+            android:textColor="@android:color/white"
+            android:text="@string/error_loading_image_tap_to_retry"
+            android:textSize="?attr/font_default"
+            android:fontFamily="?attr/font_family" />
+
+    </LinearLayout>
+
+    <com.google.android.material.bottomappbar.BottomAppBar
+        android:id="@+id/bottom_navigation_view_imgur_image_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_imgur_image_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_imgur_image_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_imgur_image_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_imgur_image_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>

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

@@ -1,40 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout 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"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".fragments.ViewImgurImageFragment">
-
-    <ProgressBar
-        android:id="@+id/progress_bar_view_imgur_image_fragment"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_centerInParent="true" />
-
-    <com.davemorrissey.labs.subscaleview.SubsamplingScaleImageView
-        android:id="@+id/image_view_view_imgur_image_fragment"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent" />
-
-    <LinearLayout
-        android:id="@+id/load_image_error_linear_layout_view_imgur_image_fragment"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:visibility="gone">
-
-        <TextView
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:drawableTop="@drawable/ic_error_outline_white_24dp"
-            android:layout_gravity="center"
-            android:gravity="center"
-            android:textColor="@android:color/white"
-            android:text="@string/error_loading_image_tap_to_retry"
-            android:textSize="?attr/font_default"
-            android:fontFamily="?attr/font_family" />
-
-    </LinearLayout>
-
-</RelativeLayout>