Clean code

app/src/main/java/com/fongmi/android/tv/player/Players.java

@@ -235,7 +235,7 @@ public class Players implements Player.Listener, ParseCallback, DrawHandler.Call
     }
 
     public boolean isDanmakuPrepared() {
-        return (danmaku != null && danmaku.isPrepared());
+        return danmaku != null && danmaku.isPrepared();
     }
 
     public boolean isPlaying() {

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

@@ -914,11 +914,11 @@ public class VideoActivity extends BaseActivity implements Clock.Callback, Custo
     }
 
     private void showDanmaku() {
-        mBinding.danmaku.setVisibility(Setting.isDanmakuShow() ? View.VISIBLE : View.GONE);
+        mBinding.danmaku.setVisibility(Setting.isDanmakuShow() ? View.VISIBLE : View.INVISIBLE);
     }
 
     private void hideDanmaku() {
-        mBinding.danmaku.setVisibility(View.GONE);
+        mBinding.danmaku.setVisibility(View.INVISIBLE);
     }
 
     private void showControl() {