Android Workmanger PeriodicWorkRequest API work only once?

Android Workmanger PeriodicWorkRequest API work only once?

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Android Workmanger PeriodicWorkRequest API work only once?
Tag : android , By : user119605
Date : November 19 2020, 04:01 AM

Any of those help Work Manager Not not based on system time. You can make a periodic work request of 15 minutes. This way you can test your code.
here's an example:
private static final String TAG = "PeriodicWorkTag";
private static final int PERIODIC_WORK_INTERVAL = 15;

public static void schedulePeriodicWork() {
    androidx.work.PeriodicWorkRequest periodicWorkRequest = new androidx.work.PeriodicWorkRequest.Builder(PeriodicWorkRequest.class, PERIODIC_WORK_INTERVAL,
    WorkManager.getInstance().enqueueUniquePeriodicWork(TAG, ExistingPeriodicWorkPolicy.KEEP, periodicWorkRequest);

public static void cancelPeriodicWork() {
public static final String CHANNEL_ID = "VERBOSE_NOTIFICATION" ;
public PeriodicWorkRequest(@NonNull Context context, @NonNull WorkerParameters workerParams) {
    super(context, workerParams);

public Result doWork() {
    return Result.SUCCESS;

private void showNotification(Context context) {
    NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(context, CHANNEL_ID)
            .setContentTitle("My notification")
            .setStyle(new NotificationCompat.BigTextStyle()
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
        CharSequence name = "Channel_name";
        String description = "description";
        int importance = NotificationManager.IMPORTANCE_DEFAULT;
        NotificationChannel channel = new NotificationChannel(CHANNEL_ID, name, importance);
        NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
    NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
    notificationManager.notify(100, mBuilder.build());

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Android Workmanager PeriodicWorkRequest is not unique

Tag : development , By : Nickolas
Date : March 29 2020, 07:55 AM
help you fix your problem The IllegalStateException you see was a bug we fixed in alpha01. Use the alpha02 library, and you won't see that problem. For more information, take a look at the release notes here.

How to register a periodic work request with WorkManger system-wide once (i.e. after boot or installation)

Tag : android , By : jbcrail
Date : March 29 2020, 07:55 AM
To fix the issue you can do In the first part, I simply present the solution as snippets of code without much explanation. In the second part, I elaborate on the solution, explain why it is not an exact solution, but the best possible one and point out some errors in Google documentation which led me to the question in the first place.
The Solution
public class WatchDogWorker extends Worker {
  private static final String uniqueWorkName = "my.package.name.watch_dog_worker";
  private static final long repeatIntervalMin = 30;
  private static final long flexIntervalMin = 10;

  public WatchDogWorker( @NonNull Context context, @NonNull WorkerParameters params) {
    super( context, params );

  private static PeriodicWorkRequest getOwnWorkRequest() {
    return new PeriodicWorkRequest.Builder(
      WatchDogWorker.class, repeatIntervalMin, TimeUnit.MINUTES, flexIntervalMin, TimeUnit.MINUTES

  public static void enqueueSelf() {
    WorkManager.getInstance().enqueueUniquePeriodicWork( uniqueWorkName, ExistingPeriodicWorkPolicy.KEEP, getOwnWorkRequest() );

  public Worker.Result doWork() {
    // Put the actual code of the watchdog that needs to be run every 30mins here
    return Result.SUCCESS;
public class BootCompleteReceiver extends BroadcastReceiver {
  public void onReceive( Context context, Intent intent ) {
    if( intent.getAction() == null || !intent.getAction().equals( "android.intent.action.BOOT_COMPLETED" ) ) return;
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"


        <action android:name="android.intent.action.BOOT_COMPLETED"/>
public class MainActivity extends AppCompatActivity {
  protected void onCreate(Bundle savedInstanceState) {

    // Schedule WatchDogWorker (after a fresh install we must not rely on the BootCompleteReceiver)

PeriodicWorkRequest Does not Work No Matter What

Tag : android , By : nagre
Date : March 29 2020, 07:55 AM
this will help You are setting the repetition interval to 900000 minutes, to set it 15 minutes, if you use PeriodicWorkRequest.MIN_PERIODIC_INTERVAL_MILLI then use TimeUnit.MILLISECONDS:
val oneTimeADayReq: PeriodicWorkRequest = PeriodicWorkRequest.Builder(

WorkManager - PeriodicWorkRequest not working on android api 21

Tag : android , By : Arnaud Goudsmit
Date : March 29 2020, 07:55 AM
This might help you Sorry, I just verified that this is a bug on our end. We should have a fix in alpha04. Stay tuned.

WorkManger in Android is executing doWork() more than once

Tag : android , By : kaart
Date : March 29 2020, 07:55 AM
wish helps you When you enqueue a PeriodicWorkRequest, that does not cancel any existing PeriodicWorkRequest that you have previously enqueued. Therefore as you have written your app, every time your activity starts, you add yet periodic work request, slowly going from 1 to 2 to 3 onward.
You instead want to use enqueueUniquePeriodicWork():
final PeriodicWorkRequest pwr = new PeriodicWorkRequest
        .Builder(MyWorker.class, 16, TimeUnit.MINUTES)

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