How to Authenticate your Android Users Using Phone or Email

In this tutorial I will show how to use Facebook’s Account Kit Tool to allow users to log in or sign up using their phone number or email. You can find the completed project on Github.

After creating your project, please make sure that you add your Application to the Facebook’s Developers console and obtain your APP ID.

Once your Android Studio project has been set up, go to your Project/build.gradle and add mavenCentral() inside the repositories{ }

Also open your app/build.gradle file and add the Account Kit dependency:

compile 'com.facebook.android:account-kit-sdk:4.20.0'

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by Theodhor Pandeli via SitePoint