How to use

invalidate

method

in

android.view.SurfaceView

@Override
public void invalidate() {
 super.invalidate();
 requestRepaintGPU();
}

private void setSubtitlesSurfaceView(SurfaceView surfaceView) {
  mSubtitlesView = surfaceView;
  mSubtitlesView.setZOrderMediaOverlay(true);
  mSubtitlesView.getHolder().setFormat(PixelFormat.TRANSLUCENT);
  mSubtitlesView.invalidate();
}

lp.height = finalHeight;
mSurface.setLayoutParams(lp);
mSurface.invalidate();

lp.height = vidH;
mSurface.setLayoutParams(lp);
mSurface.invalidate();

lp.height = vidH;
mSurface.setLayoutParams(lp);
mSurface.invalidate();

lp.height = (int) Math.floor(dh);
getSwipeContainer().setLayoutParams(lp);
getSurface().invalidate();
if (mSubtitlesSurface != null)
  mSubtitlesSurface.invalidate();