Override back button in android

Question

I have to play a mp3 file and when click on back button on the device then automatically the song should stop. So I tried below given method. But it is not working.

Answer 1

for Handleing All key use

@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
    if ((keyCode == KeyEvent.KEYCODE_BACK)) { //Back key pressed
       //Things to Do
        return true;
    }
    return super.onKeyDown(keyCode, event);
}