[Q] Volume buttons sound, annoying beep how to change it ? - Android Q&A, Help & Troubleshooting

I cant find the answer on whole net, starting to think that it isnt possible.
I have tried adding many variates of volume.mp3 and ogg's to /system/media/ui but it doesnt work, have searched for ogg mp3 wav's and raw files in system files but can't find a think that matches that awful beep sound.
Someone on a forum said that he saw rom with Piano sounds when he was changing volume.
i hope that someone figure it out already
thanks in advance

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RE: Volume buttons sound, annoying beep how to change it ?
Here is my code to force volume keys to change media volume (instead of ringer volume) and then change the beep to a click.
Code:
//Volume controls changed to media volume
@Override public boolean onKeyDown(int keyCode, KeyEvent keyEvent) {
AudioManager audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); // Get audioManager
switch (keyCode) {
case (KeyEvent.KEYCODE_VOLUME_UP):
{
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_RAISE, 0);
return true;
}
case (KeyEvent.KEYCODE_VOLUME_DOWN):
{
audioManager.adjustStreamVolume(AudioManager.STREAM_MUSIC, AudioManager.ADJUST_LOWER, 0);
return true;
}
}
return super.onKeyDown(keyCode, keyEvent);
}
@Override public boolean onKeyUp(int keyCode, KeyEvent keyEvent) {
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP || keyCode == KeyEvent.KEYCODE_VOLUME_DOWN)
{
MediaPlayer clickPlayer = MediaPlayer.create(this, R.raw.click);
try {
clickPlayer.prepare();
} catch (IllegalStateException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
clickPlayer.start();
}
return super.onKeyDown(keyCode, keyEvent);
}

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Hi cardinalfib,
thansk for your code - it is exactly what I need.
I'm not an expert - could you tell me how I've to use this code?
What file have I to change?
Thanks a lot!
Tim