我已经创建了一个活动,其中包括在它。当媒体播放器,我开始活动,音乐开始play.But歌曲完成后,当我上单击模拟器上后退按钮,会显示一个错误(IllegellStateException
) 。如何在Android的停止活动?
这是我的代码。
谢谢先进。
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.audio);
init();
imgVw.setImageResource(R.raw.teddy_two);
prefs = PreferenceManager.getDefaultSharedPreferences(this);
mp=MediaPlayer.create(Audio_Activity.this,R.raw.ennamo_yadho);
Log.e("Song is playing","in Mediya Player ");
Log.e("Current ","Position -> " + length);
mp.setLooping(false);
mp.start();
btnChapter.setEnabled(false);
mp.setOnCompletionListener(new MediaPlayer.OnCompletionListener()
{
@Override
public void onCompletion(MediaPlayer mp)
{
// TODO Auto-generated method stub
mp.stop();
mp.release();
btnChapter.setEnabled(true);
System.out.println("Music is over and Button is enable !!!!!!");
}
});
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
// Checks the orientation of the screen
if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
Toast.makeText(this, "landscape", Toast.LENGTH_SHORT).show();
} else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT){
Toast.makeText(this, "portrait", Toast.LENGTH_SHORT).show();
}
}
@Override
public void onPause()
{
super.onStop();
SharedPreferences. Editor prefsEdit = prefs.edit();
int position = mp.getCurrentPosition();
prefsEdit.putInt("mediaPosition", position);
prefsEdit.commit();
}
@Override
protected void onResume()
{
super.onResume();
System.out.println("Activity is Resume !!!");
int position = prefs.getInt("mediaPosition", 0);
mp.seekTo(position);
mp.start();
}
#Override
public boolean onKeyDown(int keyCode, KeyEvent event)
{
if ((keyCode == KeyEvent.KEYCODE_BACK))
{
if(mp!= null)
{
mp.pause();
}
//finish();
return true;
}
return super.onKeyDown(keyCode, event);
}
}
把日志消息 –
这些答案都不够好吗? http://stackoverflow.com/questions/17522185/how-to-resume-my-audio-in-android http://stackoverflow.com/questions/17545166/how-to-resume-activity-with-audio-in -android http://stackoverflow.com/questions/17524681/resume-song-in-android –