package com.edupointbd.amirul.firebase;
import android.content.Intent;
import android.os.Bundle;
import android.service.carrier.CarrierMessagingService;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
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.Result;
import com.google.android.gms.common.api.ResultCallback;
import com.google.android.gms.common.api.Status;
import com.google.android.gms.tasks.OnCompleteListener;
import com.google.android.gms.tasks.Task;
import com.google.firebase.auth.AuthCredential;
import com.google.firebase.auth.FirebaseAuth;
import com.google.firebase.auth.FirebaseUser;
import com.google.firebase.auth.GoogleAuthProvider;
public class MainActivity extends AppCompatActivity {
// TAG is for show some tag logs in LOG screen. public static final String TAG = "MainActivity";
// Request sing in code. Could be anything as you required. public static final int RequestSignInCode = 7;
// Firebase Auth Object. public FirebaseAuth firebaseAuth;
// Google API Client object. public GoogleApiClient googleApiClient;
// Sing out button. Button SignOutButton;
// Google Sign In button . com.google.android.gms.common.SignInButton signInButton;
// TextView to Show Login User Email and Name. TextView LoginUserName, LoginUserEmail;
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
signInButton = (SignInButton) findViewById(R.id.sign_in_button);
SignOutButton= (Button) findViewById(R.id.sign_out);
LoginUserName = (TextView) findViewById(R.id.textViewName);
LoginUserEmail = (TextView) findViewById(R.id.textViewEmail);
signInButton = (com.google.android.gms.common.SignInButton)findViewById(R.id.sign_in_button);
// Getting Firebase Auth Instance into firebaseAuth object. firebaseAuth = FirebaseAuth.getInstance();
// Hiding the TextView on activity start up time. LoginUserEmail.setVisibility(View.GONE);
LoginUserName.setVisibility(View.GONE);
// Creating and Configuring Google Sign In object. GoogleSignInOptions googleSignInOptions = new GoogleSignInOptions.Builder(GoogleSignInOptions.DEFAULT_SIGN_IN)
.requestIdToken(getString(R.string.default_web_client_id))
.requestEmail()
.build();
// Creating and Configuring Google Api Client. googleApiClient = new GoogleApiClient.Builder(MainActivity.this)
.enableAutoManage(MainActivity.this , new GoogleApiClient.OnConnectionFailedListener() {
@Override public void onConnectionFailed(@NonNull ConnectionResult connectionResult) {
}
} /* OnConnectionFailedListener */)
.addApi(Auth.GOOGLE_SIGN_IN_API, googleSignInOptions)
.build();
// Adding Click listener to User Sign in Google button. signInButton.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
UserSignInMethod();
}
});
// Adding Click Listener to User Sign Out button. SignOutButton.setOnClickListener(new View.OnClickListener() {
@Override public void onClick(View view) {
UserSignOutFunction();
}
});
}
// Sign In function Starts From Here. public void UserSignInMethod(){
// Passing Google Api Client into Intent. Intent AuthIntent = Auth.GoogleSignInApi.getSignInIntent(googleApiClient);
startActivityForResult(AuthIntent, RequestSignInCode);
}
@Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RequestSignInCode){
GoogleSignInResult googleSignInResult = Auth.GoogleSignInApi.getSignInResultFromIntent(data);
if (googleSignInResult.isSuccess()){
GoogleSignInAccount googleSignInAccount = googleSignInResult.getSignInAccount();
FirebaseUserAuth(googleSignInAccount);
}
}
}
public void FirebaseUserAuth(GoogleSignInAccount googleSignInAccount) {
AuthCredential authCredential = GoogleAuthProvider.getCredential(googleSignInAccount.getIdToken(), null);
Toast.makeText(MainActivity.this,""+ authCredential.getProvider(),Toast.LENGTH_LONG).show();
firebaseAuth.signInWithCredential(authCredential)
.addOnCompleteListener(MainActivity.this, new OnCompleteListener() {
@Override public void onComplete(@NonNull Task AuthResultTask) {
if (AuthResultTask.isSuccessful()){
// Getting Current Login user details. FirebaseUser firebaseUser = firebaseAuth.getCurrentUser();
// Showing Log out button. SignOutButton.setVisibility(View.VISIBLE);
// Hiding Login in button. signInButton.setVisibility(View.GONE);
// Showing the TextView. LoginUserEmail.setVisibility(View.VISIBLE);
LoginUserName.setVisibility(View.VISIBLE);
Intent i = new Intent(getApplicationContext(),Welcome.class);
i.putExtra("name",firebaseUser.getDisplayName().toString());
i.putExtra("email",firebaseUser.getEmail().toString());
startActivity(i);
// Setting up name into TextView. // LoginUserName.setText("NAME = "+ firebaseUser.getDisplayName().toString());
// Setting up Email into TextView. // LoginUserEmail.setText("Email = "+ firebaseUser.getEmail().toString());
}else {
Toast.makeText(MainActivity.this,"Something Went Wrong",Toast.LENGTH_LONG).show();
}
}
});
}
public void UserSignOutFunction() {
// Sing Out the User. firebaseAuth.signOut();
Auth.GoogleSignInApi.signOut(googleApiClient).setResultCallback(
new ResultCallback() {
@Override public void onResult(@NonNull Result result) {
// Write down your any code here which you want to execute After Sign Out.
// Printing Logout toast message on screen. Toast.makeText(MainActivity.this, "Logout Successfully", Toast.LENGTH_LONG).show();
}
});
// After logout Hiding sign out button. SignOutButton.setVisibility(View.GONE);
// After logout setting up email and name to null. LoginUserName.setText(null);
LoginUserEmail.setText(null);
// After logout setting up login button visibility to visible. signInButton.setVisibility(View.VISIBLE);
}
}
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:padding="20dp" tools:context="com.edupointbd.amirul.firebase.MainActivity">
<com.google.android.gms.common.SignInButton android:id="@+id/sign_in_button" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_centerHorizontal="true" />
<Button android:id="@+id/sign_out" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="Click Here To Sign Out" android:layout_alignParentBottom="true" android:layout_alignParentLeft="true" android:layout_alignParentStart="true" android:visibility="gone" />
<TextView
android:id="@+id/textViewName" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:text="" android:gravity="center" android:textSize="20dp" android:textColor="#000" />
<TextView
android:id="@+id/textViewEmail" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerHorizontal="true" android:layout_below="@+id/textViewName" android:text="" android:gravity="center" android:textSize="20dp" android:textColor="#000" />
</RelativeLayout>
package com.edupointbd.amirul.firebase;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
public class Welcome extends AppCompatActivity {
@Override protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_welcome);
}
}
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_welcome" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom="@dimen/activity_vertical_margin" android:paddingLeft="@dimen/activity_horizontal_margin" android:paddingRight="@dimen/activity_horizontal_margin" android:paddingTop="@dimen/activity_vertical_margin" tools:context="com.edupointbd.amirul.firebase.Welcome">
<TextView android:id="@+id/name" android:text="amirul" android:textSize="22sp" android:layout_width="match_parent" android:layout_height="wrap_content" />
<TextView android:id="@+id/email" android:textSize="22sp" android:text="amirul@gmail.com" android:layout_width="match_parent" android:layout_height="wrap_content" />
</RelativeLayout>
dependencies {
classpath 'com.android.tools.build:gradle:2.2.3' classpath 'com.google.gms:google-services:3.1.0'
// NOTE: Do not place your application dependencies here; they belong // in the individual module build.gradle files }
}
packagingOptions{
exclude 'META-INF/LICENSE' exclude 'META-INF/LICENSE-FIREBASE.txt' exclude 'META-INF/NOTICE'
}
}
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
exclude group: 'com.android.support', module: 'support-annotations' })
compile 'com.android.support:appcompat-v7:25.3.1' compile 'com.google.firebase:firebase-core:9.8.0' compile 'com.google.firebase:firebase-auth:9.8.0' compile 'com.google.android.gms:play-services-auth:9.8.0' testCompile 'junit:junit:4.12'}
apply plugin: 'com.google.gms.google-services'
