Inhibitor.java

public class MainActivity extends AppCompatActivity implements Updatable {

    private TextView textView;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textView = (TextView) findViewById(R.id.text);
        EventBus.getRepository().addUpdatable(this);
    }


    @Override public void update() {
        if (EventBus.getRepository().get() instanceof String) {
            Log.d("MainActivity", "update");
            textView.setText("呵呵, 我起来了. (黑月亮脸)");
        }
    }


    @Override protected void onDestroy() {
        super.onDestroy();
        EventBus.getRepository().removeUpdatable(this);
    }


    public static class EventBus {

        private static class LazyLoad {
            static final BusRepository bus = new BusRepository();
        }


        @NonNull
        public static MutableRepository<Object> getRepository() {
            return LazyLoad.bus;
        }
    }

    public static class Inhibitor extends IntentService {

        static final String UPDATE = "me.drakeet.Inhibitor.update";


        public Inhibitor() {
            super("Inhibitor");
        }


        @Override protected void onHandleIntent(Intent intent) {
            Log.d("Inhibitor", "呵呵, 我起来了");
            EventBus.getRepository().accept(UPDATE);
        }
    }

    public static class KeepAliveReceiver extends BroadcastReceiver {

        @Override public void onReceive(Context context, Intent intent) {
            Intent restart = new Intent(context, Inhibitor.class);
            context.startService(restart);
        }
    }
}