sending message to a Handler on a dead thread

[TaifRaoof]

radio not work and this message appear

Handler (android.os.Handler) {38681ae} sending message to a Handler on a dead thread
at android.os.MessageQueue.enqueueMessage(MessageQueue.java:543)
at android.os.Handler.enqueueMessage(Handler.java:643)
at android.os.Handler.sendMessageAtTime(Handler.java:612)
at android.os.Handler.sendMessageDelayed(Handler.java:582)
at android.os.Handler.sendMessage(Handler.java:519)
at android.os.Message.sendToTarget(Message.java:416)
at com.google.android.exoplayer2.ExoPlayerImplInternal.prepare(ExoPlayerImplInternal.java:174)
at com.google.android.exoplayer2.ExoPlayerImpl.prepare(ExoPlayerImpl.java:162)
at com.google.android.exoplayer2.ExoPlayerImpl.prepare(ExoPlayerImpl.java:130)
at com.google.android.exoplayer2.SimpleExoPlayer.prepare(SimpleExoPlayer.java:617)
at com.example.example.radio.RadioService.play(RadioService.java:393)
at com.example.example.radio.RadioService.playOrPause(RadioService.java:443)
at com.example.example.radio.RadioManager.playOrPause(RadioManager.java:40)
at com.example.example.activities.MainActivity.playTrigger_click(MainActivity.java:723)

[gonpuga]

Add instance=null; in RadioManager.onUnbind() method.

[marcorealtime]

Thank so much. I almost lost my head loking a soluction

[harikrushn1412]

i am facing this issue when i try to stop the radio and try to start new radio that time showing this issue and radio not starting.
anyone having solution for this?

[harikrushn1412]

Add instance=null; in RadioManager.onUnbind() method.

i am not able to find this method in new package.
can you help me for this point.
thank you.