/**
             * 暂停/播放
             * @param videoPlayer
             * @param isPlaying
             */
            @Override
            public void onChangePlay(NurVideoPlayer videoPlayer, boolean isPlaying) {
            
            }

            /**
             * 更改全屏-但屏
             * @param videoPlayer
             * @param isFullscreen
             */
            @Override
            public void onChangeFullscreen(NurVideoPlayer videoPlayer, boolean isFullscreen) {
                
            }

@Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        boolean b = nurVideoPlayer.setOnKeyDown(keyCode);
        return b || super.onKeyDown(keyCode, event);
    }