android: onSeekCompleteListener 与 VideoView

Question

我正在使用 VideoView 播放视频文件。我正在使用eekTo函数来从中断的地方播放视频。但是，我想在查找操作完成后执行一些操作。为此，我需要使用 onSeekCompleteListener;但是，VideoView 不支持 onSeekCompleteListener；它可以与 MediaPlayer 一起使用。我的问题是“有什么方法可以将 onSeekCompleteListener 与 VideoView 一起使用吗？”

多谢

Answer 1

无需创建自定义VideoView。

您可以从 VideoView 的 onPrepared 方法访问 MediaPlayer，然后设置 OnSeekCompleteListener，如下所示：

mVideoView.setOnPreparedListener(new OnPreparedListener() {
    @Override
    public void onPrepared(MediaPlayer mp) {

        mp.setOnSeekCompleteListener(new OnSeekCompleteListener() {
            @Override
            public void onSeekComplete(MediaPlayer mp) {
                //TODO: Your code here
            }
        });

    }
});

Answer 2

public class ObservableVideoView extends VideoView
{

private IVideoViewActionListener mVideoViewListener;
private boolean mIsOnPauseMode = false;

public interface IVideoViewActionListener
{
    void onPause();
    void onResume();
    void onTimeBarSeekChanged(int currentTime);
}

public void setVideoViewListener(IVideoViewActionListener listener)
{
    mVideoViewListener = listener;
}

@Override
public void pause()
{
    super.pause();

    if (mVideoViewListener != null)
    {
        mVideoViewListener.onPause();
    }

    mIsOnPauseMode = true;
}

@Override
public void start()
{
    super.start();

    if (mIsOnPauseMode)
    {
        if (mVideoViewListener != null)
        {
            mVideoViewListener.onResume();
        }

        mIsOnPauseMode = false;
    }
}

@Override
public void seekTo(int msec)
{
    super.seekTo(msec);

    if (mVideoViewListener != null)
    {
        mVideoViewListener.onTimeBarSeekChanged(msec);
    }
}

public ObservableVideoView(Context context, AttributeSet attrs)
{
    super(context, attrs);
}

public ObservableVideoView(Context context)
{
    super(context);
}

public ObservableVideoView(Context context, AttributeSet attrs, int defStyle) 
{
    super(context, attrs, defStyle);
}

}

你可以监听这样的事件

public class VideoPlayerActivity extends Activity
{
public static final String VIDEO_URL = "VideoUrl";
private String path = "";
private ObservableVideoView mVideoView;

@Override
public void onCreate(Bundle icicle)
{
    super.onCreate(icicle);
    setContentView(R.layout.video_player_activity_layout);
    mVideoView = (ObservableVideoView) findViewById(R.id.videoView1);
    mVideoView.setMediaController(new MediaController(this));
    mVideoView.setVideoViewListener(mVideoViewListener);


    path = getIntent().getStringExtra(VIDEO_URL);       
    if (path == "")
    {
        Toast.makeText(this, "Please edit VideoViewDemo Activity, and set path" + " variable to your media file URL/path", Toast.LENGTH_LONG)
                .show();
    }
    else
    {   
        mVideoView.setVideoPath(path);
        mVideoView.requestFocus();
        mVideoView.start();
    }
}

private IVideoViewActionListener mVideoViewListener = new IVideoViewActionListener()
{
    @Override
    public void onTimeBarSeekChanged(int currentTime)
    {
        //TODO what you want
    }

    @Override
    public void onResume()
    {
        //TODO what you want
    }

    @Override
    public void onPause()
    {
        //TODO what you want
    }
};

：

Answer 3

Farhan，你是对的，VideoView 不支持 onSeekCompleteListener。

但您可以复制并本地自定义 VideoView 类以自行添加此支持。

我在我对7990784的回答。