Testing foreground service notifications in Notifee with progress indicators.

foreground-service.ts

Notifee.registerForegroundService(notification => {
  console.warn('Foreground service started.');
  return new Promise(resolve => {
    /**
     * Cancel the notification and resolve the service promise so the Headless task quits.
     */
    async function stopService(): Promise<void> {
      console.warn('Stopping service.');
      if (notification?.id) {
        await Notifee.cancelNotification(notification?.id);
      }
      return resolve();
    }

    /**
     * Cancel our long running task if the user presses the 'stop' action.
     */
    async function handleStopActionEvent({ type, detail }: Event): Promise<void> {
      if (type != EventType.ACTION_PRESS) return;
      if (detail?.pressAction?.id === 'stop') {
        console.warn('Stop action was pressed');
        await stopService();
      }
    }

    Notifee.onForegroundEvent(handleStopActionEvent);
    Notifee.onBackgroundEvent(handleStopActionEvent);

    // A fake progress updater.
    let current = 1;
    const interval = setInterval(async () => {
      notification.android.progress.current = current;
      await Notifee.displayNotification(notification);
      current++;
    }, 125);

    setTimeout(async () => {
      clearInterval(interval);
      console.warn('Background work has completed.');
      await stopService();
    }, 15000);
  });
});