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i want to play two files one after another on a single click of Button.Files are in assets folder . if (play) { mp.stop(); mp.release(); mp = null; } btn1.setImageDrawable(getResources().getDrawable(R.drawable.key1)); mp = new MediaPlayer(); try { descriptor = getAssets().openFd("c1.mp3"); descriptor1 = getAssets().openFd("d2.mp3"); mp.setDataSource(descriptor.getFileDescriptor(), descriptor.getStartOffset(), descriptor.getLength()); mp.prepare(); mp.start(); mp.setDataSource(descriptor1.getFileDescriptor(), descriptor1.getStartOffset(), descriptor1.getLength()); mp.prepare(); mp.start(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } play = true