Gmail Integration
1) https://console.developers.google.com/home/dashboard
2) Create a project => select country => input package name => input sha1 key
3) download json file and paste it in the app folder in project (Android View)
4) paste on project level : classpath 'com.google.gms:google-services:3.0.0'
5) paste on app level on top or bottom: apply plugin: 'com.google.gms.google-services'
6) paste in app level dependencies: compile 'com.google.android.gms:play-services-auth:9.0.0'
compile 'com.mcxiaoke.volley:library-aar:1.0.0'
7) logout: private void signOut() {
Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
new ResultCallback<Status>() {
@Override
public void onResult(Status status) {
// ...
textViewName.setText("");
textViewEmail.setText("");
profilePhoto.setImageBitmap(null);
}
});
}
Full Source:
MainActivity.java
package com.codecube.sociallogin;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
import com.android.volley.toolbox.ImageLoader;
import com.android.volley.toolbox.NetworkImageView;
import com.google.android.gms.auth.api.Auth;
import com.google.android.gms.auth.api.signin.GoogleSignInAccount;
import com.google.android.gms.auth.api.signin.GoogleSignInOptions;
import com.google.android.gms.auth.api.signin.GoogleSignInResult;
import com.google.android.gms.common.ConnectionResult;
import com.google.android.gms.common.SignInButton;
import com.google.android.gms.common.api.GoogleApiClient;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.common.api.Status;
public class MainActivity extends AppCompatActivity implements View.OnClickListener, GoogleApiClient.OnConnectionFailedListener {
//Signin button
private SignInButton signInButton;
private Button btn_signOut;
private Button signInButtonFB;
private Button btn_signOutFB;
//Signing Options
private GoogleSignInOptions gso;
//google api client
private GoogleApiClient mGoogleApiClient;
//Signin constant to check the activity result
private int RC_SIGN_IN = 100;
//TextViews
private TextView textViewName;
private TextView textViewEmail;
private NetworkImageView profilePhoto;
//Image Loader
private ImageLoader imageLoader;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//Initializing Views
textViewName = (TextView) findViewById(R.id.textViewName);
textViewEmail = (TextView) findViewById(R.id.textViewEmail);
profilePhoto = (NetworkImageView) findViewById(R.id.profileImage);
//Initializing google signin option
gso = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestEmail()
.build();
//Initializing signinbutton
signInButton = (SignInButton) findViewById(R.id.sign_in_button);
btn_signOut = (Button) findViewById(R.id.btn_signOut);
signInButtonFB = (Button) findViewById(R.id.sign_in_buttonFB);
btn_signOutFB = (Button) findViewById(R.id.btn_signOutFB);
signInButton.setSize(SignInButton.SIZE_WIDE);
signInButton.setScopes(gso.getScopeArray());
//Initializing google api client
mGoogleApiClient = new GoogleApiClient.Builder(this)
.enableAutoManage(this /* FragmentActivity */, this /* OnConnectionFailedListener */)
.addApi(Auth.GOOGLE_SIGN_IN_API, gso)
.build();
//Setting onclick listener to signing button
signInButton.setOnClickListener(this);
btn_signOut.setOnClickListener(this);
}
//This function will option signing intent
private void signIn() {
//Creating an intent
Intent signInIntent = Auth.GoogleSignInApi.getSignInIntent(mGoogleApiClient);
//Starting intent for result
startActivityForResult(signInIntent, RC_SIGN_IN);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
//If signin
if (requestCode == RC_SIGN_IN) {
GoogleSignInResult result = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
//Calling a new function to handle signin
handleSignInResult(result);
}
}
//After the signing we are calling this function
private void handleSignInResult(GoogleSignInResult result) {
//If the login succeed
if (result.isSuccess()) {
//Getting google account
GoogleSignInAccount acct = result.getSignInAccount();
//Displaying name and email
textViewName.setText(acct.getDisplayName());
textViewEmail.setText(acct.getEmail());
//Initializing image loader
imageLoader = CustomVolleyRequest.getInstance(this.getApplicationContext()).getImageLoader();
try {
imageLoader.get(
acct.getPhotoUrl().toString(), /*1st parameter*/
ImageLoader.getImageListener(profilePhoto, /*2nd parameter - ImageView*/
R.mipmap.ic_launcher, /*3rd parameter - default image*/
R.mipmap.ic_launcher) /*4th parameter - error image*/
);
} catch (Exception e) {
e.printStackTrace();
}
//Loading image
try {
profilePhoto.setImageUrl(acct.getPhotoUrl().toString(), imageLoader);
} catch (Exception e) {
e.printStackTrace();
}
} else {
//If login fails
Toast.makeText(this, "Login Failed", Toast.LENGTH_LONG).show();
}
}
@Override
public void onClick(View v) {
if (v == signInButton) {
//Calling signin
signIn();
}
if (v == btn_signOut) {
signOut();
}
}
private void signOut() {
Auth.GoogleSignInApi.signOut(mGoogleApiClient).setResultCallback(
new ResultCallback<Status>() {
@Override
public void onResult(Status status) {
// ...
textViewName.setText("");
textViewEmail.setText("");
profilePhoto.setImageBitmap(null);
}
});
}
@Override
public void onConnectionFailed(ConnectionResult connectionResult) {
}
}
------------------------------------------------
CustomVolleyRequest.java
package com.codecube.sociallogin;
import android.content.Context;
import android.graphics.Bitmap;
import android.support.v4.util.LruCache;
import com.android.volley.Cache;
import com.android.volley.Network;
import com.android.volley.RequestQueue;
import com.android.volley.toolbox.BasicNetwork;
import com.android.volley.toolbox.DiskBasedCache;
import com.android.volley.toolbox.HurlStack;
import com.android.volley.toolbox.ImageLoader;
/**
* Created by Vinod on 22-04-2017.
*/
public class CustomVolleyRequest {
private static CustomVolleyRequest customVolleyRequest;
private static Context context;
private RequestQueue requestQueue;
private ImageLoader imageLoader;
private CustomVolleyRequest(Context context) {
this.context = context;
this.requestQueue = getRequestQueue();
imageLoader = new ImageLoader(requestQueue,
new ImageLoader.ImageCache() {
private final LruCache<String, Bitmap>
cache = new LruCache<String, Bitmap>(20);
@Override
public Bitmap getBitmap(String url) {
return cache.get(url);
}
@Override
public void putBitmap(String url, Bitmap bitmap) {
cache.put(url, bitmap);
}
});
}
public static synchronized CustomVolleyRequest getInstance(Context context) {
if (customVolleyRequest == null) {
customVolleyRequest = new CustomVolleyRequest(context);
}
return customVolleyRequest;
}
public RequestQueue getRequestQueue() {
if (requestQueue == null) {
Cache cache = new DiskBasedCache(context.getCacheDir(), 10 * 1024 * 1024);
Network network = new BasicNetwork(new HurlStack());
requestQueue = new RequestQueue(cache, network);
requestQueue.start();
}
return requestQueue;
}
public ImageLoader getImageLoader() {
return imageLoader;
}
}