public class IPCActivity extends Activity {
	Messenger messenger = null;
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);

        Intent i = new Intent();
        i.setClassName("com.fm.ipcservice", "com.fm.ipcservice.MessengerService");
        this.bindService(i, new ServiceConnection() {

			@Override
			public void onServiceConnected(ComponentName paramComponentName,
					IBinder binder) {
				Log.d("FM", "messenger bind");
				messenger = new Messenger(binder);
			}

			@Override
			public void onServiceDisconnected(ComponentName paramComponentName) {
				messenger = null;
			}

        }, Context.BIND_AUTO_CREATE);

        Button button1 = ((Button)findViewById(R.id.Button01));
        Button button2 = ((Button)findViewById(R.id.Button02));

        button1.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View paramView) {
				if(messenger != null) {
					Message msg = Message.obtain();
					msg.what = 1;
					try {
						messenger.send(msg);
					} catch (RemoteException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
				}
			}

        });

        button2.setOnClickListener(new OnClickListener() {

			@Override
			public void onClick(View paramView) {
				if(messenger != null) {
					Message msg = Message.obtain();
					msg.what = 2;
					try {
						messenger.send(msg);
					} catch (RemoteException e) {
						// TODO Auto-generated catch block
						e.printStackTrace();
					}
				}
			}

        });
    }
}