unity3d - How to adjust music volume in android ear speaker mode

Question

With music playing from the ear speakers When you operate the volume key The call volume is controlled instead of the music volume. How do I focus on the Music volume in Ear Speaker mode?

The current code is here

am = (AudioManager)context.getSystemService(Context.AUDIO_SERVICE);
ac.setVolumeControlStream(AudioManager.STREAM_MUSIC);
am.setMode(AudioManager.MODE_IN_COMMUNICATION);
am.setSpeakerphoneOn(false);

// PlayMusic~

question from:https://stackoverflow.com/questions/65861954/how-to-adjust-music-volume-in-android-ear-speaker-mode

Answer 1

Waitting for answers