Hi all , can you help me solve this problem below ?
I have an app , when i install app , i register push notification app , Both on iOS and Android
And when i am deleted app , my device no longer get notification
But when i reinstall app in my device , because i have not unregister push notification yet so i received notification before.
How i can unregister push notification when i delete/uninstall app ? because can not even/listener to know an user delete app
Waiting for your help !