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我在这个问题上已经阅读了大约100个问题和答案,但我似乎无法让这个工作.我正试图Service从一个开始Activity.我的清单文件似乎没问题,我启动的方式Service似乎也是正确的.LogCat中显示以下错误:

ActivityManager(1296): Unable to start service Intent
{ cmp=com.exercise.AndroidClient/com.client.Communication }: not found

我试图通过在我的调用中启动该服务Activity:

startService(new Intent(getApplicationContext(), Communication.class));

该Service如下:

public class Communication extends Service {
    public Communication() {
        super();
    }
    @Override
    public void onCreate() {
        super.onCreate();
        Log.i("Service", "Created service");
    }
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        Log.i("Service", "onStartCommand called");
        return START_STICKY;
    }
    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }
}

我的清单文件中的条目是:

<?xml version="1.0" encoding="utf-8" ?>
<manifest …