If you’re having trouble with notifications on your Android device, this article will walk you through troubleshooting steps.  Please note that the names of some settings and sections may vary across Android devices.

First, please check that notification settings are set correctly at the Astro and system level.

In-App Notification Settings

  • Follow these steps to check if your in-app notifications settings are enabled:
  • In Astro’s Settings, go to “Notifications” and enable them
  • Then, go to “Highest Priority” and toggle that on (this will cause Astro notifications to appear at the top of the notification tray)
  • Then go to the “Incoming Emails” section and select the account on which you’re not receiving notifications
  • Make sure you’ve selected the correct notification level
  • Test to see if you receive an email notification

System Notification Settings

  • Follow these steps to check if your device notifications settings are enabled:
  • In your device’s Settings, go to “Notifications” and select Astro
  • Make sure that “Block All” and “Show Silently” are turned off
  • Test to see if you receive an email notification

You should receive notifications if notification settings are appropriately set in Astro and on your device.  However, if you’re still not receiving notifications, it’s possible that certain optimization features on your device may be interfering.  The next part of this document will go over each of the four features and show how to modify the settings to best allow Astro to show notifications.  Please note, the side effect of modifying these features is that the app will use more battery and cellular data.

Data Saver

For the best possible notifications experience with Astro, you should disable Data Saver.

Follow these steps to disable Data Saver:

  • Go to Settings
  • If Data Saver is enabled, you should see a banner that says “Data Saver is on”
  • Tap “Data Usage” and then “Unrestricted data access”
  • In the list of apps that appears, find Astro and toggle on

Data Saver is a feature that could potentially restrict your device’s cellular network when apps are in the background (note that it only restricts cellular data, not wifi).  Most of the time, Astro syncs your mail while in the background, and will send you a push notification when you receive new email.  But, if Astro doesn’t receive communication that you have new email, you won’t receive a notification.  Enabling Data Saver for Astro could prevent Astro from being notified that you have new email.

Access to Cellular Data in the Background

For the best possible notifications experience with Astro, you should enable Background Data.

Follow these steps to enable access to cellular data in the background:

  • Go to Settings, select “Apps”, select Astro, and then select “Data Usage”
  • Toggle Background Data on (the other option you may see if “Unrestricted Data usage--the item we mentioned above. Make sure that it toggled on for Astro).

This is another Android feature that can be viewed as a more extreme version of Data Saver, where you can disable all background cellular data usage.  As opposed to Data Saver, this will prevent the app from having any access to cellular data (or providing notifications) unless you are actively using the app (please note, if you are connected to wifi and the app is in the background, it will still refresh and should still provide notifications).  Astro needs to access cellular data while in the background to sync new email and provide notifications.

The next 2 features only have impact if the device is running on battery and not being charged.

Battery Saver

For the best possible notifications experience with Astro, you should disable Battery Saver.

Follow these steps to disable Battery Saver:

  • Open Settings, open the “Battery” section, click the “Battery Saver” label, and toggle off

Battery Saver is a feature that can disable many features that require battery.  This includes apps (like Astro) that use background data.  This is a potential problem for Astro, as no background data means no mail sync and no notifications.  Battery Saver is a feature that is global across all apps and cannot be whitelisted on an app-by-app basis.  

Doze Mode/Optimize Battery/App Standby

For the best possible notifications experience with Astro, you should disable Doze Mode.

Follow these steps to disable Doze Mode:

  • Open Settings, open the “Battery” section, and then tap into the overflow menu in the top righthand corner and select “Battery Optimization”
  • Then, you will see a list of apps that are installed on the device.  In the menu at the top, make sure that “All Apps” is selected.
  • Tap Astro and select “Don’t optimize.” This will disable battery optimization for Astro and will prevent Astro from entering Doze Mode.

Doze Mode, otherwise known as “Optimize Battery” or “App Standby” on other platforms, causes apps to go to sleep, especially if the device is on but not in use. If the device is not being used (as determined by the system), this limits Astro functionality and could result in unreliable mail syncing and notifications.

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