-------------------------------------------------------------------------------------------------------------------------- MainActivity.java public class SoundEffectsInAndroidActivity extends Activity implements OnClickListener { private Button button; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); // init Effects class Effects.getInstance().init(this); button = (Button)findViewById(R.id.button1); button.setOnClickListener(this); } @Override public void onClick(View v) { Effects.getInstance().playSound(Effects.SOUND_1); ...