给出了以下源代码fragment:videoView.setOnPreparedListener(newMediaPlayer.OnPreparedListener(){@OverridepublicvoidonPrepared(MediaPlayermediaPlayer){mediaPlayer.setOnInfoListener(newMediaPlayer.OnInfoListener(){@OverridepublicbooleanonInfo(MediaPlayermp,intwhat,intextra){if(what==MediaPlayer.MEDIA_INFO_BU