Android Question default dialer and PhoneStateChanged then call record both in out

[invocker]

hello , I need to set my app as default dialer in redmi9 32 g and it is not work no thing happen and it not show any message dialog or error my code is

Dim intent As Intent   

 intent.Initialize("android.telecom.action.CHANGE_DEFAULT_DIALER", "")   

 intent.PutExtra("android.telecom.extra.CHANGE_DEFAULT_DIALER_PACKAGE_NAME", Application.PackageName) 

 StartActivity(intent)

second thing pe_PhoneStateChanged not called this is my code

Sub pe_PhoneStateChanged (State As String, IncomingNumber As String)
    Log(State & " " & IncomingNumber)

    Select Case State
        Case "RINGING"
            ToastMessageShow(" IncomingNumber, True)
            StartRecording

        Case "OFFHOOK"
            ToastMessageShow("start call", False)
            StartRecording

        Case "IDLE"
            ToastMessageShow("End call", False)
            StopRecording
    End Select
End Sub

third thing call record with AR.AudioSource = AR.AS_VOICE_COMMUNICATION work but no sound , AR.AudioSource = AR.AS_VOICE_CALL not work , AR.AudioSource = AR.AS_MIC record my sound not both sounds my v off android 12 i test acr phone and it not record call
I have added all the necessary permissions

 

[drgottjr]

you need to access the rolemanager and run startactivityforresult (among other things). explained clearly here: https://stackoverflow.com/questions...t-dialer-returns-result-canceled-on-huawei-p8. easily transmogrified to b4a. will launch the dialog. i have no comment on your second problem.

 

[invocker]

you need to access the rolemanager and run startactivityforresult (among other things). explained clearly here: https://stackoverflow.com/questions...t-dialer-returns-result-canceled-on-huawei-p8. easily transmogrified to b4a. will launch the dialog. i have no comment on your second problem.

thank you for replay i resolve the SetAsDefaultDialer need to advanced to resolve the other quest