Issue
I'm trying to do authentication on my Android application using Xamarin.Auth. Some time ago, Google made the policy that you cannot do this in an embedded web view (for totally valid reasons).
I'm trying to open the account authentication page in a browser, but keep getting the embedded web view. I understand that isUsingNativeUI
needs to be true
in the following code:
_auth = new OAuth2Authenticator(clientId, string.Empty, scope,
new Uri(Constant.AuthorizeUrl),
new Uri(redirectUrl),
new Uri(Constant.AccessTokenUrl),
null,
isUsingNativeUI = true);
At every point in my application, this always equals true.
Elsewhere, I have code that redirects to what should be a browser:
var authenticator = Auth.GetAuthenticator();
Intent intent = authenticator.GetUI(this);
this.StartActivity(intent);
Regardless, I keep getting a dreaded 403 disallowed_useragent error whenever I try to run the project. Is there another element to this that I'm missing?
To my knowledge, setting auth.IsUsingNativeUI = true
in the constructor should dictate that it must open in a browser. I've been following this example to try and debug with no success. I even pulled the guy's repo down to my machine and ran it - the Intent
variable at the moment of redirection is almost identical.
Could there be something stupid that I'm missing? What else might be going wrong?
Solution
I realize this is an old question, but I had the same issue.
You have to install version 1.5.0.3 of the Xamarin.Auth Nuget package. The newest one (version 1.7.0 right now) doesn't work. You'll have to also install the PCLCrypto nuget package in order to get that version to work.
Answered By - Strabbi
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