title: BroadcastReceiver TTS and Volume
body: <p>I have a BroadCastReceiver that starts a background service. This service speaks some text using TTS. Since it all starts with a BroadcastReceiver, there is no UI. </p>
  
  <p>I want to give the user an opportunity to mute when he presses volume down key.</p>
  
  <p>Please guide me how this is possible. I have seen few other related questions but did not get any clear idea. Is it possible to do or not. Please suggest.</p>
  
  <p>Your response is highly appreciated.</p>
  
  <p>Thanks</p>