Android service and activity question

[kevdliu]

Hi,
I am new to this whole app programming thing. I am trying to write a music player that can play music in the background. Therefore, I also need to write a service.

I already finished the music playing part but I dont know how to use the volume rocker to change the media volume when the app is running in the background.

I used: this.setVolumeControlStream(AudioManager.STREAM_MU SIC); to accomplish it in the app activity.

Any help would be appreciated!