Optimize focus logic

app/src/leanback/java/com/fongmi/android/tv/ui/activity/VideoActivity.java

@@ -719,6 +719,7 @@ public class VideoActivity extends BaseActivity implements CustomKeyDownVod.List
         mArrayPresenter.setNextFocusUp(findFocusUp(3));
         mPartPresenter.setNextFocusUp(findFocusUp(5));
         notifyItemChanged(getEpisodeView(), mEpisodeAdapter);
+        notifyItemChanged(mBinding.quality, mQualityAdapter);
         notifyItemChanged(mBinding.array, mArrayAdapter);
         notifyItemChanged(mBinding.part, mPartAdapter);
         notifyItemChanged(mBinding.flag, mFlagAdapter);
@@ -1055,7 +1056,7 @@ public class VideoActivity extends BaseActivity implements CustomKeyDownVod.List
     }
 
     private void setR2Callback() {
-        App.post(mR2, 1000);
+        App.post(mR2, 500);
     }
 
     private void setArtwork(String url) {

app/src/leanback/java/com/fongmi/android/tv/ui/base/BaseActivity.java

@@ -79,6 +79,10 @@ public abstract class BaseActivity extends AppCompatActivity {
         if (!view.isComputingLayout()) adapter.notifyArrayItemRangeChanged(0, adapter.size());
     }
 
+    protected void notifyItemChanged(RecyclerView view, RecyclerView.Adapter<?> adapter) {
+        if (!view.isComputingLayout()) adapter.notifyItemRangeChanged(0, adapter.getItemCount());
+    }
+
     private void setBackCallback() {
         getOnBackPressedDispatcher().addCallback(this, new OnBackPressedCallback(handleBack()) {
             @Override