问帮助-黑莓BrowserField2、媒体播放器和线程

EN

public void extendJavaScript() throws Exception
{        
    ScriptableFunction playVideo = new ScriptableFunction()
    {            
       public Object invoke(Object thiz, Object[] args) throws Exception
       {
          openMediaPlayer(args[0].toString());
          return Boolean.FALSE;
       }
    };
    _bf2.extendScriptEngine("bb.playVideo", playVideo);  
} 

private void openMediaPlayer(final String url){
UiApplication.getUiApplication().invokeAndWait(new Runnable() {

    public void run() {
    PlayerScreen _playerScreen = new PlayerScreen(url + ";deviceside=true");
    UiApplication.getUiApplication().pushScreen(_playerScreen);     
    }
}); 
}