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Xamarin.Social Facebook Authentication Error: Expected access_token

Authentication Error

Expected access_token in response, but did not receive one.

This message started to appear today when the user is presented with the "Log In To Facebook" view. It appears on Android as well as iOS.

In iOS6 it just pops up and the authentication is still successful which would only be a major annoyance. In iOS7 and on Android however the message appears in an endless loop rendering the app useless...


  • RockMeAmadeusRockMeAmadeus USMember ✭✭

    I solved the issue by providing a proper RedirectUrl to the FacebookService instance. The proposed default URL is not in service anymore... (The same thing that broke every other social service in Xamarin.Social)

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