Android - Facebook Integration Sample: Login and get User Profile

Authenticate Using Facebook Login on Android | Firebase

You can let your users authenticate with Firebase using their Facebook accounts by integrating Facebook Login into your app. Before you begin. Add Firebase to your Android project. If you haven't yet connected your app to your Firebase project, do so from the Firebase console.

Android Facebook sample app doesn't login when... - Stack Overflow

At first I thought this was my app but I get the exact same problem when using any of the FB sample apps. Take the HelloFacebookSample for example...

Facebook Login Implementation for Android Apps

Facebook Login In Android Application Sample

facebook/facebook-android-sdk: Used to integrate Android apps...

Android Studio Add Facebook Login using Facebook SDK 4 Tutorial...

Android - Facebook Login - Documentation - Facebook for Developers

Android Facebook sample app doesn't login when... - Stack Overflow

At first I thought this was my app but I get the exact same problem when using any of the FB sample apps. Take the HelloFacebookSample for example...