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I have done fcm registration and connection with hub and also i am able to register my device with tags but once the app is closed , i am not able to send push notifications to all older registered devices, i am getting error that registration id is no longer valid , my firebase notification OnMessage recieved doesn't call . So i want particular example where i can get help for this since many days i am working on this, i really want a good solution . Can any one help with working example or demo ??? I am doing this to send push notifications to android devices

Kshitij shah
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    If it happens while debugging, try release build. FCM isn't reliable in debug mode. – Mikalai Daronin Jul 25 '18 at 19:17
  • Check this https://stackoverflow.com/a/48089829/7462031 and this https://learn.microsoft.com/en-us/xamarin/android/data-cloud/google-messaging/remote-notifications-with-fcm?tabs=vswin – FreakyAli Jul 26 '18 at 05:42
  • What is the Error you are getting, Post the same Also Post the log it can help me find the issue, – Vivek Samele Jul 26 '18 at 07:08

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Check below link it will be helpful.

  1. Azure Push notification Implementation

  2. App Center Push notification Implementation

  3. Sample Code

Pratius Dubey
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