Some fixes

app/build.gradle

@@ -61,7 +61,6 @@ ext.evernoteLibraryVersion = '1.3.0-rc1'
 ext.gsonLibraryVersion = '2.8.2'
 ext.guavaLibraryVersion = '24.1-android'
 ext.photoViewLibraryVersion = '2.3.0'
-ext.swipebackLibraryVersion = '1.0.3'
 ext.ratethisappLibraryVersion = '1.2.0'
 ext.uploadServiceVersion = "3.5.2"
 ext.torrentstreamVersion = "2.5.0"

app/src/main/java/app/fedilab/android/activities/SlideMediaActivity.java

@@ -36,6 +36,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import androidx.appcompat.app.ActionBar;
@@ -80,7 +81,7 @@ public class SlideMediaActivity extends BaseActivity implements OnDownloadInterf
     private ViewPager mPager;
     private long downloadID;
     private boolean fullscreen;
-    public SlidrInterface slidrInterface;
+    private SlidrInterface slidrInterface;
     int flags;
     private TextView media_description;
     private Handler handler;
@@ -104,7 +105,7 @@ public class SlideMediaActivity extends BaseActivity implements OnDownloadInterf
                 setTheme(R.style.TransparentDark);
         }
         setContentView(R.layout.activity_media_pager);
-        CoordinatorLayout swipeBackLayout = findViewById(R.id.swipeBackLayout);
+        RelativeLayout swipeBackLayout = findViewById(R.id.swipeBackLayout);
         if (theme == Helper.THEME_LIGHT) {
             swipeBackLayout.setBackgroundResource(R.color.white);
         } else if (theme == Helper.THEME_BLACK) {
@@ -116,11 +117,7 @@ public class SlideMediaActivity extends BaseActivity implements OnDownloadInterf
         media_description = findViewById(R.id.media_description);
         flags = getWindow().getDecorView().getSystemUiVisibility();
 
-        if (getSupportActionBar() != null)
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
 
-        if (getSupportActionBar() != null)
-            getSupportActionBar().setDisplayHomeAsUpEnabled(true);
         ActionBar actionBar = getSupportActionBar();
         if (actionBar != null) {
             LayoutInflater inflater = (LayoutInflater) this.getSystemService(LAYOUT_INFLATER_SERVICE);
@@ -388,6 +385,14 @@ public class SlideMediaActivity extends BaseActivity implements OnDownloadInterf
         super.onPostResume();
     }
 
+
+    public void enableSliding(boolean enable){
+        if (enable)
+            slidrInterface.unlock();
+        else
+            slidrInterface.lock();
+    }
+
     public boolean getFullScreen(){
         return this.fullscreen;
     }

app/src/main/java/app/fedilab/android/drawers/PixelfedListAdapter.java

@@ -481,7 +481,7 @@ public class PixelfedListAdapter extends RecyclerView.Adapter implements OnPostA
                     Intent intent = new Intent(context, SlideMediaActivity.class);
                     Bundle b = new Bundle();
                     intent.putParcelableArrayListExtra("mediaArray", status.getMedia_attachments());
-                    b.putInt("position", 0);
+                    b.putInt("position", 1);
                     intent.putExtras(b);
                     context.startActivity(intent);
                 }

app/src/main/java/app/fedilab/android/fragments/MediaSliderFragment.java

@@ -164,6 +164,9 @@ public class MediaSliderFragment extends Fragment implements MediaPlayer.OnCompl
                     if( ! ((SlideMediaActivity)context).getFullScreen()) {
                         ((SlideMediaActivity) context).setFullscreen(true);
                     }
+                    ((SlideMediaActivity) context).enableSliding(false);
+                }else{
+                    ((SlideMediaActivity) context).enableSliding(true);
                 }
             }
         });

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

@@ -14,7 +14,7 @@
     You should have received a copy of the GNU General Public License along with Fedilab; if not,
     see <http://www.gnu.org/licenses>.
 -->
-<androidx.coordinatorlayout.widget.CoordinatorLayout
+<RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:animateLayoutChanges="true"
     android:id="@+id/swipeBackLayout"
@@ -37,4 +37,4 @@
         android:padding="12dp"
         android:background="#AA000000"
         android:textColor="#ffffffff" />
-</androidx.coordinatorlayout.widget.CoordinatorLayout>
+</RelativeLayout>