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Is it possible to register a listener to listen for changes in the volume level of the music stream in Android?
I’m displaying the actual volume in a SeekBar and I would like to change the seekbar if the user changes the volume with the hardware volume keys. At the moment the correct volume is displayed until the user changes the volume with hardware keys.
One option would be to use registerMediaButtonEventReceiver and have your application handle the hardware keys. You could adjust the volume seekbar in your app and use AudioManager to adjust the volume.
Another possibility would be to create a service in your app that runs in the background and periodically checks the volume and adjusts your seekbar accordingly.