Android Login with Google Plus Utility
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Join For FreePre-requisite
Official Document: https://developers.google.com/+/mobile/android/sign-in
Tutorial from AndroidHive : http://www.androidhive.info/2014/02/android-login-with-google-plus-account-1/
Note: Please read AndroidHive article for initial setup & other process
Usage
Step 1: Import "GooglePlusLoginUtils.java" class in your package
Step 2: Implement callback listener
public class LoginActivity extends Activity implements GooglePlusLoginUtils.GPlusLoginStatus
Step 3: Declare callback method
public void OnSuccessGPlusLogin(Bundle profile) { Log.i(TAG,profile.getString(GooglePlusLoginUtils.NAME)); Log.i(TAG,profile.getString(GooglePlusLoginUtils.EMAIL)); Log.i(TAG,profile.getString(GooglePlusLoginUtils.PHOTO)); Log.i(TAG,profile.getString(GooglePlusLoginUtils.PROFILE)); }
Step 4: Declare object of GooglePlusLoginUtils.java
private GooglePlusLoginUtils gLogin;
Step 5: Initialize object in onCreate method
gLogin = new GooglePlusLoginUtils(this, R.id.activity_login_gplus); // Id of login button gLogin.setLoginStatus(this);
Step 6: Declare few supporting methods
@Override protected void onStart() { super.onStart(); gLogin.connect(); } @Override protected void onStop() { super.onStop(); gLogin.disconnect(); } @Override protected void onActivityResult(int requestCode, int responseCode,Intent intent) { gLogin.onActivityResult(requestCode, responseCode, intent); }
FAQ
Q: What is the problem of above approach ?
A: You activity has a lot of scattered code for Google Plus login, It will be more complex and unmanageable when you will have another social network login like Facebook and Twitter.
Q: How I will receive a response for login success?
A: You need to implement interface "GPlusloginStatus", on successful login you will receive callback "OnSuccessGPlusLogin"
Q: What will be received on login success ?
A: You will have Display name, Email , Photo and Profile url.
Q: Do I need to handle login failure / error ?
A: No, GooglePlusLoginUtils.java will handle login failure, error and display appropriate message on screen.
Published at DZone with permission of Ketan Parmar, DZone MVB. See the original article here.
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