If notifications have no priority set, they will take normal priority and that will result in notification delay during Doze and App Standby on Android device. To overcome this priority has to be set to high for notifications that have to be received at some exact time.
If notifications have no priority set, they will take normal priority and that will result in notification delay during Doze and App Standby on Android device. To overcome this priority has to be set to high for notifications that have to be received at some exact time.
Documentation on this: https://developers.google.com/cloud-messaging/concept-options#setting-the-priority-of-a-message