Exploring: Social login implementation like Facebook, Google+ and Twitter in Android
1.Facebook Login and Share
Class Name: FacebookHelper.java
SDK Version: com.facebook.android:facebook-android-sdk:4.0.1
2.Google+ sign in and +1 Button
Class Name: GooglePlusHelper.java
SDK version: Play Service SDK: com.google.android.gms:play-services:7.8.0
3.Twitter Sign In
Class Name: TwitterHelper.java
SDK Version : com.twitter.sdk.android:twitter:1.8.0
Used Twitter's Fabric SDK: https://fabric.io
All the Implmentation using the helper is implemented in the MainActivity.java.