title: How to detect alarm ringing or other apps using speaker?
body: <p>I am developing a music app. I want to detect that other apps using speaker or alarm ringing for play/pause music.</p>
  
  <p>For phone call i use PhoneStateListener. I tryed OnAudioFocusChangeListener for to detect other audios. But didn't work. </p>
  
  <p>I wondering how to solve this problem.</p>