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我在我的应用程序中使用mediacontroller,但它只显示3秒钟。我搜索了很多,但在每个文档中,我只看到了显示功能,设置超时,但它没有效果。我怎样才能始终显示媒体控制器?
你可以创建内联匿名类并重写某些方法。你需要重写隐藏方法,否则在后面按控制器不会隐藏,并且活动不能关闭:
mediaController = new MediaController(this){
@Override
public void hide() {
// TODO Auto-generated method stub
//do nothing
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
if(event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
if (mediaPlayer != null) {
mediaPlayer.reset();
mediaPlayer.release();
mediaPlayer = null;
}
super.hide();
Activity a = (Activity)getContext();
a.finish();
}
return true;
}
};
你可以扩展MediaController类并以编程方式将其实例设置为VideoView类:
import android.content.Context;
import android.util.AttributeSet;
import android.widget.MediaController;
public class MyMediaController extends MediaController {
public MyMediaController(Context context, AttributeSet attrs) {
super(context, attrs);
}
public MyMediaController(Context context, boolean useFastForward) {
super(context, useFastForward);
}
public MyMediaController(Context context) {
super(context);
}
@Override
public void show(int timeout) {
super.show(0);
}
}
用法如下:
VideoView myVideoView = (VideoView) findViewById(R.id.my_video_view);
MediaController mc = new MyMediaController(myVideoView.getContext());
mc.setMediaPlayer(myVideoView);
myVideoView.setMediaController(mc);