//Tombol Kembali
    public boolean onOptionsItemSelected(MenuItem item){
        int id = item.getItemId();
        mp = MediaPlayer.create(Activity_Surat_Al_Falak.this, R.raw.surat_al_falak);

        if (id == R.id.suara) {

            mp.start();

            item.setEnabled(false);
        }else {
            Intent myIntent = new Intent(Activity_Surat_Al_Falak.this, Activity_Surat_Pendek.class);
            startActivity(myIntent);
            finish();
        }

        return super.onOptionsItemSelected(item);
    }

    @Override
    protected void onStop() {
        super.onStop();

        if(mp!=null && mp.isPlaying())
        {
            mp.stop();
            mp.release();
            mp = null;
        }
    }
    @Override
    protected void onDestroy() {
        super.onDestroy();
        if(mp!=null && mp.isPlaying())
        {
            mp.stop();
            mp.release();
            mp = null;
        }
    }