MediaPlayer mp1, mp2;mp1 = MediaPlayer.create(this, R.drawable.file1);mp1.setLooping(false);mp2 = MediaPlayer.create(this, R.drawable.file2);mp2.setLooping(false);Button btn1 = (Button)findViewById(R.id.button1);btn1.setOnClickLisener(this);Button btn2 = (Button)findViewById(R.id.button2);btn2.setOn...