crash fixes

common/src/main/java/com/liskovsoft/smartyoutubetv2/common/app/models/playback/controllers/VideoStateController.java

@@ -162,6 +162,10 @@ public class VideoStateController extends BasePlayerController {
 
     @Override
     public void onEngineError(int type, int rendererIndex, Throwable error) {
+        if (getPlayer() == null) {
+            return;
+        }
+
         // Oops. Error happens while playing (network lost etc).
         if (getPlayer().getPositionMs() > 1_000) {
             saveState();

smarttubetv/src/main/java/com/liskovsoft/smartyoutubetv2/tv/ui/browse/video/MultiVideoGridFragment.java

@@ -122,9 +122,26 @@ public class MultiVideoGridFragment extends MultiGridFragment implements VideoSe
     public void update(VideoGroup group) {
         if (group.getPosition() == 0) {
             addSearchHeader();
+            freeze1(true);
             updateGroup1(group);
+            freeze1(false);
         } else if (group.getPosition() == 1) {
+            int action = group.getAction();
+
+            // Attempt to fix: IllegalStateException: Cannot call this method while RecyclerView is computing a layout or scrolling
+            if (action == VideoGroup.ACTION_SYNC && getBrowseGrid2() != null && getBrowseGrid2().isComputingLayout()) {
+                return;
+            }
+
+            // Smooth remove animation
+            if (action == VideoGroup.ACTION_REMOVE) {
+                updateGroup2(group);
+                return;
+            }
+
+            freeze2(true);
             updateGroup2(group);
+            freeze2(false);
         }
     }
 
@@ -240,12 +257,8 @@ public class MultiVideoGridFragment extends MultiGridFragment implements VideoSe
             return;
         }
 
-        freeze1(true);
-
         mGridAdapter1.add(group);
 
-        freeze1(false);
-
         restorePosition1();
     }
 
@@ -271,12 +284,8 @@ public class MultiVideoGridFragment extends MultiGridFragment implements VideoSe
             return;
         }
 
-        freeze2(true);
-
         mGridAdapter2.add(group);
 
-        freeze2(false);
-
         // TODO: Do we need to restore position on second group?
         //restorePosition2();
     }

smarttubetv/src/main/java/com/liskovsoft/smartyoutubetv2/tv/ui/browse/video/MultipleRowsFragment.java

@@ -204,6 +204,14 @@ public abstract class MultipleRowsFragment extends RowsSupportFragment implement
             return;
         }
 
+        int action = group.getAction();
+
+        // Smooth remove animation
+        if (action == VideoGroup.ACTION_REMOVE) {
+            updateInt(group);
+            return;
+        }
+
         freeze(true);
 
         updateInt(group);

smarttubetv/src/main/java/com/liskovsoft/smartyoutubetv2/tv/ui/browse/video/VideoGridFragment.java

@@ -141,7 +141,7 @@ public class VideoGridFragment extends GridFragment implements VideoSection {
         int action = group.getAction();
 
         // Attempt to fix: IllegalStateException: Cannot call this method while RecyclerView is computing a layout or scrolling
-        if (action == VideoGroup.ACTION_SYNC && getBrowseGrid() != null && getBrowseGrid().isComputingLayout()) {
+        if ((action == VideoGroup.ACTION_SYNC || action == VideoGroup.ACTION_REPLACE) && getBrowseGrid() != null && getBrowseGrid().isComputingLayout()) {
             return;
         }