Mastering Firebase for Android Development

Facebook login

The Facebook configuration that we carried out in the FirebaseUI method is very similar, but here we will have to do all the customization according the application. We need the app id and and app protocol scheme ID. Before all of this, we need to add a valid hash key to the Facebook developer console. Once we have done all this configuration, we have to add the meta tag to the manifest: 

<meta-data android:name="com.facebook.sdk.ApplicationId"android:value="@string/facebook_application_id"/>

Add the Firebase dependency to your app's Gradle file. 

implementation 'com.facebook.android:facebook-android-sdk:[4,5)'

After the library is synced with the project, we will have access to the following button class, which has the button  ...