[android] Android에서 서비스 시작

특정 활동이 시작되면 서비스를 호출하고 싶습니다. 따라서 다음은 서비스 클래스입니다.

public class UpdaterServiceManager extends Service {

    private final int UPDATE_INTERVAL = 60 * 1000;
    private Timer timer = new Timer();
    private static final int NOTIFICATION_EX = 1;
    private NotificationManager notificationManager;

    public UpdaterServiceManager() {}

    @Override
    public IBinder onBind(Intent intent) {
        // TODO Auto-generated method stub
        return null;
    }

    @Override
    public void onCreate() {
        // Code to execute when the service is first created
    }

    @Override
    public void onDestroy() {
        if (timer != null) {
            timer.cancel();
        }
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startid) {
        notificationManager = (NotificationManager)
                getSystemService(Context.NOTIFICATION_SERVICE);
        int icon = android.R.drawable.stat_notify_sync;
        CharSequence tickerText = "Hello";
        long when = System.currentTimeMillis();
        Notification notification = new Notification(icon, tickerText, when);
        Context context = getApplicationContext();
        CharSequence contentTitle = "My notification";
        CharSequence contentText = "Hello World!";
        Intent notificationIntent = new Intent(this, Main.class);
        PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
                notificationIntent, 0);
        notification.setLatestEventInfo(context, contentTitle, contentText,
                contentIntent);
        notificationManager.notify(NOTIFICATION_EX, notification);
        Toast.makeText(this, "Started!", Toast.LENGTH_LONG);
        timer.scheduleAtFixedRate(new TimerTask() {

            @Override
            public void run() {
                // Check if there are updates here and notify if true
            }
        }, 0, UPDATE_INTERVAL);
        return START_STICKY;
    }

    private void stopService() {
        if (timer != null) timer.cancel();
    }
}

그리고 내가 그것을 부르는 방법은 다음과 같습니다.

Intent serviceIntent = new Intent();
serviceIntent.setAction("cidadaos.cidade.data.UpdaterServiceManager");
startService(serviceIntent);

문제는 아무 일도 일어나지 않는다는 것입니다. 위의 코드 블록은 활동의 onCreate. 이미 디버깅했으며 예외가 발생하지 않습니다.

어떤 생각?

답변

startService(new Intent(this, UpdaterServiceManager.class));

startService(new Intent(this, MyService.class));

<application
    android:icon="@drawable/ic_launcher"
    android:label="@string/app_name" >

    ...

    <service
        android:name=".MyService"
        android:label="My Service" >
    </service>
</application>

startService(new Intent(MyActivity.this, MyService.class));

getActivity().startService(new Intent(getActivity(), MyService.class));

import android.app.Service;
import android.content.Intent;
import android.os.Handler;
import android.os.IBinder;
import android.util.Log;

public class MyService extends Service {

    private static String TAG = "MyService";
    private Handler handler;
    private Runnable runnable;
    private final int runTime = 5000;

    @Override
    public void onCreate() {
        super.onCreate();
        Log.i(TAG, "onCreate");

        handler = new Handler();
        runnable = new Runnable() {
            @Override
            public void run() {

                handler.postDelayed(runnable, runTime);
            }
        };
        handler.post(runnable);
    }

    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    @Override
    public void onDestroy() {
        if (handler != null) {
            handler.removeCallbacks(runnable);
        }
        super.onDestroy();
    }

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        return START_STICKY;
    }

    @SuppressWarnings("deprecation")
    @Override
    public void onStart(Intent intent, int startId) {
        super.onStart(intent, startId);
        Log.i(TAG, "onStart");
    }

}

<service android:enabled="true" android:name="com.my.packagename.MyService" />

Class<?> serviceMonitor = MyService.class;


private void startMyService() { context.startService(new Intent(context, serviceMonitor)); }
private void stopMyService()  { context.stopService(new Intent(context, serviceMonitor));  }

<service android:enabled="true" android:name=".MyService.class" />

Intent serviceIntent = new Intent(this,YourActivity.class);

startService(serviceIntent);

<service android:enabled="true" android:name="YourActivity.class" />