some changes

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

@@ -25,7 +25,6 @@ import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
 import android.graphics.Point;
-import android.graphics.PorterDuff;
 import android.graphics.drawable.ColorDrawable;
 import android.net.Uri;
 import android.os.Build;
@@ -41,6 +40,7 @@ import android.widget.LinearLayout;
 import android.widget.TextView;
 
 import androidx.appcompat.app.ActionBar;
+import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
@@ -152,7 +152,7 @@ public class SlideMediaActivity extends BaseFragmentActivity implements OnDownlo
             TextView toolbar_title = actionBar.getCustomView().findViewById(R.id.toolbar_title);
             ImageView media_save = actionBar.getCustomView().findViewById(R.id.media_save);
             ImageView media_share = actionBar.getCustomView().findViewById(R.id.media_share);
-            toolbar_close.setOnClickListener(v -> finish());
+            toolbar_close.setOnClickListener(v -> ActivityCompat.finishAfterTransition(this));
             media_save.setOnClickListener(view12 -> {
                 int position = mPager.getCurrentItem();
                 Attachment attachment = attachments.get(position);

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

@@ -118,6 +118,7 @@ public class MediaSliderFragment extends Fragment implements MediaPlayer.OnCompl
     private SlidrInterface slidrInterface;
     private boolean swipeEnabled;
     private int bgColor;
+    private RelativeLayout media_fragment_container;
 
     public MediaSliderFragment() {
     }
@@ -185,7 +186,7 @@ public class MediaSliderFragment extends Fragment implements MediaPlayer.OnCompl
             url = attachment.getRemote_url();
             attachment.setType(type);
         }
-        RelativeLayout media_fragment_container = rootView.findViewById(R.id.media_fragment_container);
+        media_fragment_container = rootView.findViewById(R.id.media_fragment_container);
         switch (type.toLowerCase()) {
             case "image":
                 pbar_inf.setScaleY(1f);
@@ -540,7 +541,12 @@ public class MediaSliderFragment extends Fragment implements MediaPlayer.OnCompl
 
                         @Override
                         public void onSlideChange(float percent) {
-                            ((SlideMediaActivity) context).setFullscreen(true);
+                            if( percent < 0.80 && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                                ActivityCompat.finishAfterTransition((AppCompatActivity) context);
+                            }else{
+                                ((SlideMediaActivity) context).setFullscreen(true);
+                            }
+
                         }
 
                         @Override
@@ -550,12 +556,7 @@ public class MediaSliderFragment extends Fragment implements MediaPlayer.OnCompl
 
                         @Override
                         public boolean onSlideClosed() {
-                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+                            return false;
-                                ActivityCompat.finishAfterTransition((Activity) context);
-                            }else{
-                                ((Activity)context).finish();
-                            }
-                            return true;
                         }
                     })
                     .build());

app/src/main/res/values/styles.xml

@@ -27,7 +27,7 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
+
     </style>
     <style name="Cyanea.PopupMenu.Light" parent="@style/Widget.AppCompat.PopupMenu">
         <item name="android:popupBackground">@color/cyanea_primary_dark_reference</item>
@@ -48,7 +48,7 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
+
     </style>
     <!-- BLACK theme -->
     <style name="AppThemeBlack" parent="Theme.Cyanea.Dark">
@@ -67,7 +67,7 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
+
     </style>
     <style name="Cyanea.PopupMenu.black" parent="@style/Widget.AppCompat.PopupMenu">
         <item name="android:popupBackground">@color/cyanea_primary_dark_reference</item>
@@ -88,7 +88,7 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
+
     </style>
 
 
@@ -109,7 +109,7 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
+
     </style>
     <style name="Cyanea.PopupMenu.Dark" parent="@style/Widget.AppCompat.PopupMenu">
         <item name="android:popupBackground">@color/cyanea_primary_dark_reference</item>
@@ -130,7 +130,7 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
+
     </style>
 
 
@@ -180,7 +180,6 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
     </style>
 
     <style name="TransparentDark" parent="Theme.Cyanea.Dark">
@@ -194,7 +193,6 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
     </style>
 
     <style name="TransparentBlack" parent="Theme.Cyanea.Dark">
@@ -209,7 +207,6 @@
         <item name="android:windowContentTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowActivityTransitions" tools:targetApi="lollipop">true</item>
         <item name="android:windowSharedElementEnterTransition" tools:ignore="NewApi">@transition/anim</item>
-        <item name="android:windowSharedElementExitTransition" tools:targetApi="lollipop">@transition/anim</item>
     </style>
 
     <style name="Fedilab.PopupMenu.Light" parent="Cyanea.PopupMenu.Light">