parahall

public class MyService extends Service {
  private static final String TAG = MyService.class.getSimpleName();
  private ArrayList<Object> objects;

  public MyService() {
  }

  @Override public IBinder onBind(Intent intent) {
    // TODO: Return the communication channel to the service.
    throw new UnsupportedOperationException("Not yet implemented");

parahall

public class MyIntentService extends IntentService {
  private static final String TAG = MyIntentService.class.getSimpleName();
  private ArrayList<Object> objects;
  private long timeMillisInBackground;

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

  @Override protected void onHandleIntent(Intent intent) {

parahall

<receiver
  android:name=".login.NetworkHttpUnauthorizedReceiver">
  <intent-filter>
    <action android:name="com.startup.network.http_unauthorized"/>
  </intent-filter>
</receiver> 

parahall

public class NetworkHttpUnauthorizedReceiver extends BroadcastReceiver {

  public void onReceive(Context context, Intent intent) {
    int httpCode = intent.getIntExtra(IntentExtras.HTTP_CODE, -1);
    if (httpCode == HttpURLConnection.HTTP_UNAUTHORIZED) {
      LoginActivity.logOut(context);
    }
  }
}

parahall

int threads = Runtime.getRuntime().availableProcessors();
ExecutorService executor = Executors.newFixedThreadPool(threads);
executor.submit(myWork);

parahall

ComponentName service = new ComponentName(this, MyJobService.class);
JobScheduler mJobScheduler = (JobScheduler)getSystemService(Context.JOB_SCHEDULER_SERVICE);
JobInfo.Builder builder = new JobInfo.Builder(jobId, serviceComponent)
 .setRequiredNetworkType(jobInfoNetworkType)
 .setRequiresCharging(false)
 .setRequiresDeviceIdle(false)
 .setExtras(extras).build();
mJobScheduler.schedule(jobInfo);

parahall

Job myJob = firebaseJobDispatcher.newJobBuilder()
 .setService(SmartService.class)
 .setTag(SmartService.LOCATION_SMART_JOB)
 .setReplaceCurrent(false)
 .setConstraints(ON_ANY_NETWORK)
 .build();
firebaseJobDispatcher.mustSchedule(myJob);

parahall

public class LocationUploadWorker extends Worker {
    @Override
    public WorkerResult doWork() {
        Location location = LocationRepository.getLastLocation();
        ServerReport serverReport = new ServerReport(location);
        FirebaseDatabase database = FirebaseDatabase.getInstance();
        DatabaseReference myRef =
                database.getReference("WorkerReport v" + android.os.Build.VERSION.SDK_INT);
        myRef.push().setValue(serverReport);
        return WorkerResult.SUCCESS;

parahall

//Create constraints
Constraints constraints = new Constraints.Builder().setRequiredNetworkType
        (NetworkType.CONNECTED).build();
//create work
Work uploadWork = new Work.Builder(LocationUploadWorker.class).withConstraints
        (constraints).build();
//schedule work
WorkManager.getInstance(this).enqueue(uploadWork);

parahall

WorkManager.getInstance(context).getStatusById(work.getId())
.observe(lifecycleOwner, status -> {
     // Do something with the status
     if (status != null && status.getState().isFinished()) { … }
});