Android Question Firebase messaging token

[Mehrzad238]

How many days takes until this SUB work

Sub fm_TokenRefresh (Token As String)
    Log("Token is :" & Token)
End Sub

And sometimes gives no token, is this code works for that?

If fm.Token.Length = 0  Then
    StopService(Me)
    StartServiceAt(Me,DateTime.Now + 200, False)
End If

Thanks everybody

 

[KZero]

1-According to google

The registration token may change when:

• The app deletes Instance ID
• The app is restored on a new device
• The user uninstalls/reinstall the app
• The user clears app data.

so don't expect that your token will change frequently
I use FirebaseMessaging service Create to get the token every time the application starts

Sub Service_Create
    fm.Initialize("fm")
    fmt=fm.Token
End Sub

2-where you put this code?

If fm.Token.Length = 0  Then
    StopService(Me)
    StartServiceAt(Me,DateTime.Now + 200, False)
End If

 

[Erel]

Why do you need the token? This is not needed in most cases.

 

[Mehrzad238]

1-According to google


so don't expect that your token will change frequently
I use FirebaseMessaging service Create to get the token every time the application starts

Sub Service_Create
    fm.Initialize("fm")
    fmt=fm.Token
End Sub

2-where you put this code?

Here :

Sub Service_Create
    fm.Initialize("fm")
    If fm.Token.Length = 0  Then
        StopService(Me)
        StartServiceAt(Me,DateTime.Now + 200, False)
    End If
End Sub

In FirebaseMessaging Service

 

[Mehrzad238]

Why do you need the token? This is not needed in most cases.

I'm developing a shopping app, and for that, I need to send a push to a user that makes shopping and not everyone

 

[KZero]

Here :

Sub Service_Create
    fm.Initialize("fm")
    If fm.Token.Length = 0  Then
        StopService(Me)
        StartServiceAt(Me,DateTime.Now + 200, False)
    End If
End Sub

In FirebaseMessaging Service

why you stop the firebasemessaging service and starting it at another time?!

 

[Mehrzad238]

why you stop the firebasemessaging service and starting it at another time?!

This exactly:

 If fm.Token.Length = 0  Then

and sometimes gives me nothing, no token
so I think that is a solution for having token no matter what

if it's wrong, so tell me the right one to know what I should do

this is why I start this thread and need guidance from experts

thanks, guys

 

[KMatle]

There are rare cases when you don't get a token at once. I've added a sleep(0) after fm.initialize which did the trick for me.

 

[Mehrzad238]

There are rare cases when you don't get a token at once. I've added a sleep(0) after fm.initialize which did the trick for me.

Alright I will try your way
I hope this trick of yours works for me as well