Facebook Login integration in Android App

One of the best uses of your Facebook account is using it for the Login purpose on other websites or Mobile App platforms. As Facebook Login provides a convenient and secure way to Login to an app or website without creating an account. Knowing the increase in the use of these Facebook features by developers, Facebook makes simple steps for integration in Mobile App using the latest version of Facebook’s SDK for Android.

In this How to Add Facebook Login to Android App tutorial, you will learn how to add a Facebook login feature to your android app with a few easily understandable steps.

Ingredients for Tutorial

Before you begin, make sure you have access to the following:

• the latest version of Android Studio
• a Facebook accounts

You need to have your developer account on Facebook and their Register Your App, you can read my tutorial to learn How to Create a Facebook developer account and Register Facebook App.

Now after creating Facebook App, navigate to Settings from the left and click the Add Platform button. From the pop-up, select Android.

Now add your App package name and Activity name wherever it is necessary for the form. If you are yet to create an app then remember these values so that whenever you create you must use these values for package name and Activity name.

How to get Key hashes ?

To get key hashes, open a terminal window and run the key tools command ( commands may differ with systems) to generate a key hash using the debug key store located at ~/.android/debug. Keystore.

keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64