MSAL Android Xamarin Stuck Dialog - "Are you trying to sign in to {your_appname}"?

Question

MSAL Android Xamarin Stuck Dialog - "Are you trying to sign in to {your_appname}"?

joel schaubert 96

We are using MSAL through Azure Portal in single tenant mode.

This dialog comes up and pressing the buttons gives nothing.
Pressing "continue" does nothing and no output comes to the debugger
Pressing "cancel" does nothing and no output comes to the debugger

The app is authenticating, we can see it in the Azure Portal logs every time we click "continue"
If we click "continue" 3 times, we see 3 confirmed authentications in the Azure Portal logs.

Why does this dialog not respond to the button clicks?

Marilee Turscak-MSFT 24,231 Reputation points Microsoft Employee

2021-09-29T23:35:27.377+00:00

Just to confirm, you are only trying to sign in to the Azure portal?
joel schaubert 96 Reputation points

2021-09-30T20:00:37.867+00:00

We are using Azure to authenticate our Xamarin Android app using the MSAL libraries.

By checking the azure portal in "Azure active directory" -> "sign in logs"
we can see that the login request for authentication has succeeded on the Azure side of things
joel schaubert 96 Reputation points

2021-09-30T20:03:35.743+00:00

Digging deeper into the Azure "sign in logs" I can see that before the success logs there is always one failure which is an error

50199
For security reasons, user confirmation is required for this request. Please repeat the request allowing user interaction

And the Microsoft Learn give this explanation
AADSTS50199 CmsiInterrupt - For security reasons, user confirmation is required for this request. Because this is an "interaction_required" error, the client should do interactive auth. This occurs because a system webview has been used to request a token for a native application - the user must be prompted to ask if this was actually the app they meant to sign into. To avoid this prompt, the redirect URI should be part of the following safe list:
http://
https://
msauth://(iOS only)
msauthv2://(iOS only)
chrome-extension:// (desktop Chrome browser only)

https://learn.microsoft.com/en-us/azure/active-directory/develop/reference-aadsts-error-codes

Marilee Turscak-MSFT 24,231 Reputation points Microsoft Employee

2021-09-29T23:35:27.377+00:00

Just to confirm, you are only trying to sign in to the Azure portal?
joel schaubert 96 Reputation points

2021-09-30T20:00:37.867+00:00

We are using Azure to authenticate our Xamarin Android app using the MSAL libraries.

By checking the azure portal in "Azure active directory" -> "sign in logs"
we can see that the login request for authentication has succeeded on the Azure side of things
joel schaubert 96 Reputation points

2021-09-30T20:03:35.743+00:00

Digging deeper into the Azure "sign in logs" I can see that before the success logs there is always one failure which is an error

50199
For security reasons, user confirmation is required for this request. Please repeat the request allowing user interaction

And the Microsoft Learn give this explanation
AADSTS50199 CmsiInterrupt - For security reasons, user confirmation is required for this request. Because this is an "interaction_required" error, the client should do interactive auth. This occurs because a system webview has been used to request a token for a native application - the user must be prompted to ask if this was actually the app they meant to sign into. To avoid this prompt, the redirect URI should be part of the following safe list:
http://
https://
msauth://(iOS only)
msauthv2://(iOS only)
chrome-extension:// (desktop Chrome browser only)

https://learn.microsoft.com/en-us/azure/active-directory/develop/reference-aadsts-error-codes

Answer 1

joel schaubert 96

Problem was fixed by adding this
.WithUseEmbeddedWebView(true)

Now the dialog no longer comes up

            result = await authContext.AcquireTokenInteractive(Scopes)
                .WithAuthority(Authority)
                .WithUseEmbeddedWebView(true)
                .WithParentActivityOrWindow(pwindow)
                .ExecuteAsync();

Manuel Cota 1 Reputation point

2021-11-17T15:04:15.007+00:00

Dear JoelSchaubert 9141,

You are my new hero!

MSAL Android Xamarin Stuck Dialog - "Are you trying to sign in to {your_appname}"?

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