initial commit

+*.iml
+.gradle
+/local.properties
+/.idea/workspace.xml
+/.idea/libraries
+.DS_Store
+/build
+/captures
+.externalNativeBuild

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="CompilerConfiguration">
+    <resourceExtensions />
+    <wildcardResourcePatterns>
+      <entry name="!?*.java" />
+      <entry name="!?*.form" />
+      <entry name="!?*.class" />
+      <entry name="!?*.groovy" />
+      <entry name="!?*.scala" />
+      <entry name="!?*.flex" />
+      <entry name="!?*.kt" />
+      <entry name="!?*.clj" />
+      <entry name="!?*.aj" />
+    </wildcardResourcePatterns>
+    <annotationProcessing>
+      <profile default="true" name="Default" enabled="false">
+        <processorPath useClasspath="true" />
+      </profile>
+    </annotationProcessing>
+  </component>
+</project>
\ No newline at end of file

+<component name="CopyrightManager">
+  <settings default="" />
+</component>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveModulePerSourceSet" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>
\ No newline at end of file

+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="AndroidLintMissingConstraints" enabled="false" level="ERROR" enabled_by_default="false" />
+    <inspection_tool class="LoggerInitializedWithForeignClass" enabled="false" level="WARNING" enabled_by_default="false">
+      <option name="loggerClassName" value="org.apache.log4j.Logger,org.slf4j.LoggerFactory,org.apache.commons.logging.LogFactory,java.util.logging.Logger" />
+      <option name="loggerFactoryMethodName" value="getLogger,getLogger,getLog,getLogger" />
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file

+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="PROJECT_PROFILE" value="Project Default" />
+    <option name="USE_PROJECT_PROFILE" value="true" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="EntryPointsManager">
+    <entry_points version="2.0" />
+  </component>
+  <component name="NullableNotNullManager">
+    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
+    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
+    <option name="myNullables">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
+        </list>
+      </value>
+    </option>
+    <option name="myNotNulls">
+      <value>
+        <list size="4">
+          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
+          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
+          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
+          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
+        </list>
+      </value>
+    </option>
+  </component>
+  <component name="ProjectLevelVcsManager" settingsEditedManually="false">
+    <OptionsSetting value="true" id="Add" />
+    <OptionsSetting value="true" id="Remove" />
+    <OptionsSetting value="true" id="Checkout" />
+    <OptionsSetting value="true" id="Update" />
+    <OptionsSetting value="true" id="Status" />
+    <OptionsSetting value="true" id="Edit" />
+    <ConfirmationsSetting value="0" id="Add" />
+    <ConfirmationsSetting value="0" id="Remove" />
+  </component>
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" assert-keyword="true" jdk-15="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/FirebaseAuthDemo.iml" filepath="$PROJECT_DIR$/FirebaseAuthDemo.iml" />
+      <module fileurl="file://$PROJECT_DIR$/app/app.iml" filepath="$PROJECT_DIR$/app/app.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file

+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RunConfigurationProducerService">
+    <option name="ignoredProducers">
+      <set>
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
+        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
+      </set>
+    </option>
+  </component>
+</project>
\ No newline at end of file

+/build

+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 25
+    buildToolsVersion "26.0.1"
+    defaultConfig {
+        applicationId "com.example.user.firebaseauthdemo"
+        minSdkVersion 15
+        targetSdkVersion 25
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+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.android.support.constraint:constraint-layout:1.0.2'
+    compile 'com.google.firebase:firebase-auth:10.2.6'
+    compile 'com.google.firebase:firebase-database:10.2.6'
+    testCompile 'junit:junit:4.12'
+}
+
+
+
+apply plugin: 'com.google.gms.google-services'
\ No newline at end of file

+{
+  "project_info": {
+    "project_number": "650248608909",
+    "firebase_url": "https://myfirebaseauthapp-bc28e.firebaseio.com",
+    "project_id": "myfirebaseauthapp-bc28e",
+    "storage_bucket": "myfirebaseauthapp-bc28e.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:650248608909:android:40da2d4f194c6ed6",
+        "android_client_info": {
+          "package_name": "com.example.user.firebaseauthdemo"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "650248608909-hdue5s7mau87ansut50cjnruf9o7gg5b.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAoVCpBjQ1EfVPGDNdhnQ4EpSdyOIvqrsM"
+        }
+      ],
+      "services": {
+        "analytics_service": {
+          "status": 1
+        },
+        "appinvite_service": {
+          "status": 1,
+          "other_platform_oauth_client": []
+        },
+        "ads_service": {
+          "status": 2
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file

+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in C:\Users\user\AppData\Local\Android\Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

+package com.example.user.firebaseauthdemo;
+
+import android.content.Context;
+import android.support.test.InstrumentationRegistry;
+import android.support.test.runner.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumentation test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() throws Exception {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getTargetContext();
+
+        assertEquals("com.example.user.firebaseauthdemo", appContext.getPackageName());
+    }
+}

+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.user.firebaseauthdemo">
+
+    <user-permission android:name="android.permission.INTERNET" />
+
+
+    <application
+        android:allowBackup="true"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name=".LoginActivity" />
+        <activity android:name=".ProfileActivity"></activity>
+    </application>
+
+
+</manifest>

+package com.example.user.firebaseauthdemo;
+
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.auth.AuthResult;
+import com.google.firebase.auth.FirebaseAuth;
+
+public class LoginActivity extends AppCompatActivity implements View.OnClickListener {
+
+    private Button buttonSignIn;
+    private EditText editTextEmail;
+    private EditText editTextPassword;
+    private TextView textViewSignUp;
+
+    private ProgressDialog progressDialog;
+    private FirebaseAuth firebaseAuth;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+
+        firebaseAuth = firebaseAuth.getInstance();
+
+        if(firebaseAuth.getCurrentUser() != null){
+            //profile activity here
+            finish();
+            startActivity(new Intent(getApplicationContext(), ProfileActivity.class));
+        }
+
+        editTextEmail = (EditText)findViewById(R.id.editTextEmail);
+        editTextPassword = (EditText)findViewById(R.id.editTextPassword);
+        buttonSignIn = (Button) findViewById(R.id.buttonSignIn);
+        textViewSignUp = (TextView)findViewById(R.id.textViewSignUp);
+
+        progressDialog = new ProgressDialog(this);
+        buttonSignIn.setOnClickListener(this);
+        textViewSignUp.setOnClickListener(this);
+    }
+
+    private void userLogin(){
+        String email = editTextEmail.getText().toString().trim();
+        String password = editTextPassword.getText().toString().trim();
+
+        if(TextUtils.isEmpty(email)){
+            //email is empty
+            Toast.makeText(this, "Please enter email", Toast.LENGTH_SHORT).show();
+            //stopping the function execution further
+            return;
+        }
+
+        if(TextUtils.isEmpty(password)) {
+            //password is empty
+            Toast.makeText(this, "Please enter password", Toast.LENGTH_SHORT).show();
+            //stopping the function execution further
+            return;
+        }
+        //if validation are ok
+        //we will first show a progressbar
+
+        progressDialog.setTitle("Loading...");
+        progressDialog.setMessage("Registering User...");
+        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
+        progressDialog.show();
+
+        firebaseAuth.signInWithEmailAndPassword(email, password)
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
+                    @Override
+                    public void onComplete(@NonNull Task<AuthResult> task) {
+                        progressDialog.dismiss();
+                        if(task.isSuccessful()){
+                            //start the profile activity
+                            finish();
+                            startActivity(new Intent(getApplicationContext(), ProfileActivity.class));
+                        }
+                    }
+                });
+    }
+
+    @Override
+    public void onClick(View view){
+        if(view == buttonSignIn){
+            userLogin();
+        }
+        if(view == textViewSignUp){
+            finish();
+            startActivity(new Intent(this, MainActivity.class));
+        }
+    }
+
+}

+package com.example.user.firebaseauthdemo;
+
+import android.app.ProgressDialog;
+import android.content.Intent;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.google.android.gms.tasks.OnCompleteListener;
+import com.google.android.gms.tasks.Task;
+import com.google.firebase.auth.AuthResult;
+import com.google.firebase.auth.FirebaseAuth;
+
+public class MainActivity extends AppCompatActivity implements View.OnClickListener{
+
+    private Button buttonRegister;
+    private EditText editTextEmail;
+    private EditText editTextPassword;
+    private TextView textViewSignIn;
+
+    private ProgressDialog progressDialog;
+
+    private FirebaseAuth firebaseAuth;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        progressDialog = new ProgressDialog(MainActivity.this);
+        firebaseAuth = FirebaseAuth.getInstance();
+
+        if(firebaseAuth.getCurrentUser() != null){
+            //profile activity here
+            finish();
+            startActivity(new Intent(getApplicationContext(), ProfileActivity.class));
+        }
+
+        buttonRegister = (Button) findViewById(R.id.buttonRegister);
+
+        editTextEmail = (EditText) findViewById(R.id.editTextEmail);
+        editTextPassword = (EditText) findViewById(R.id.editTextPassword);
+
+        textViewSignIn = (TextView) findViewById(R.id.textViewSignIn);
+
+        buttonRegister.setOnClickListener(this);
+        textViewSignIn.setOnClickListener(this);
+    }
+
+    private void registerUser(){
+        String email = editTextEmail.getText().toString().trim();
+        String password = editTextPassword.getText().toString().trim();
+
+        if(TextUtils.isEmpty(email)){
+            //email is empty
+            Toast.makeText(this, "Please enter email", Toast.LENGTH_SHORT).show();
+            //stopping the function execution further
+            return;
+        }
+
+        if(TextUtils.isEmpty(password)) {
+            //password is empty
+            Toast.makeText(this, "Please enter password", Toast.LENGTH_SHORT).show();
+            //stopping the function execution further
+            return;
+        }
+        //if validation are ok
+        //we will first show a progressbar
+
+        progressDialog.setTitle("Loading...");
+        progressDialog.setMessage("Registering User...");
+        progressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
+        progressDialog.show();
+        //creating a new user
+        firebaseAuth.createUserWithEmailAndPassword(email,password)
+                .addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
+                    @Override
+                    public void onComplete(@NonNull Task<AuthResult> task) {
+                        if(task.isSuccessful()){
+                                finish();
+                                startActivity(new Intent(getApplicationContext(), ProfileActivity.class));
+                        }else{
+                            Toast.makeText(MainActivity.this, "Could not register.. Try again", Toast.LENGTH_SHORT).show();
+                        }
+                        progressDialog.dismiss();
+                    }
+                });
+    }
+
+    @Override
+    public void onClick(View view) {
+        if(view == buttonRegister){
+            registerUser();
+        }
+
+        if(view == textViewSignIn){
+            //will open login activity here
+            startActivity(new Intent(this, LoginActivity.class));
+        }
+    }
+}

+package com.example.user.firebaseauthdemo;
+
+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.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+import com.google.firebase.database.DatabaseReference;
+import com.google.firebase.database.FirebaseDatabase;
+
+public class ProfileActivity extends AppCompatActivity implements View.OnClickListener{
+
+    private FirebaseAuth firebaseAuth;
+
+    private TextView textViewUserEmail;
+    private Button buttonLogout;
+
+    private DatabaseReference databaseReference;
+    private EditText editTextName, editTextAddress;
+    private Button buttonSave;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_profile);
+        firebaseAuth = FirebaseAuth.getInstance();
+        if(firebaseAuth.getCurrentUser() == null){
+            finish();
+            startActivity(new Intent(this,LoginActivity.class));
+        }
+        databaseReference = FirebaseDatabase.getInstance().getReference();
+        editTextAddress = (EditText) findViewById(R.id.editTextAddress);
+        editTextName = (EditText)findViewById(R.id.editTextName);
+        buttonSave = (Button)findViewById(R.id.buttonSave);
+
+        FirebaseUser user = firebaseAuth.getCurrentUser();
+
+        textViewUserEmail = (TextView) findViewById(R.id.textViewUserEmail);
+        textViewUserEmail.setText("Welcome " + user.getEmail());
+        buttonLogout = (Button)findViewById(R.id.buttonLogout);
+        buttonLogout.setOnClickListener(this);
+        buttonSave.setOnClickListener(this);
+    }
+
+    private void saveUserInformation(){
+        String name = editTextName.getText().toString().trim();
+        String add = editTextAddress.getText().toString().trim();
+
+        UserInformation userInformation = new UserInformation(name, add);
+
+        FirebaseUser user = firebaseAuth.getCurrentUser();
+        databaseReference.child(user.getUid()).setValue(userInformation);
+
+        Toast.makeText(this, "Information Saved...", Toast.LENGTH_LONG).show();
+
+    }
+
+    @Override
+    public void onClick(View view) {
+        if(view == buttonLogout){
+            firebaseAuth.signOut();
+            finish();
+            startActivity(new Intent(this, LoginActivity.class));
+        }
+
+        if(view == buttonSave){
+            saveUserInformation();
+        }
+    }
+}

+package com.example.user.firebaseauthdemo;
+
+/**
+ * Created by user on 2017-09-23.
+ */
+
+public class UserInformation {
+
+    public String name;
+    public String address;
+
+    public UserInformation(String name, String address) {
+        this.name = name;
+        this.address = address;
+    }
+
+    public UserInformation(String name) {
+    }
+}

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.example.user.firebaseauthdemo.LoginActivity">
+
+    <LinearLayout
+        android:layout_centerHorizontal="true"
+        android:layout_centerVertical="true"
+        android:orientation="vertical"
+        android:layout_width="368dp"
+        android:layout_height="wrap_content"
+        tools:layout_editor_absoluteY="0dp"
+        tools:layout_editor_absoluteX="8dp" >
+
+        <TextView
+            android:layout_margin="30dp"
+            android:text="User Login"
+            android:id="@+id/textView"
+            android:layout_width="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"/>
+
+        <EditText
+            android:layout_margin="15dp"
+            android:inputType="textEmailAddress"
+            android:hint="Enter your email"
+            android:id="@+id/editTextEmail"
+            android:layout_width="368dp"
+            android:layout_height="wrap_content"
+            tools:layout_editor_absoluteY="0dp"
+            tools:layout_editor_absoluteX="8dp" />
+
+        <EditText
+            android:layout_margin="15dp"
+            android:inputType="textPassword"
+            android:hint="Enter your password"
+            android:id="@+id/editTextPassword"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            tools:layout_editor_absoluteY="0dp"
+            tools:layout_editor_absoluteX="8dp" />
+
+        <Button
+            android:layout_margin="15dp"
+            android:id="@+id/buttonSignIn"
+            android:text="SignUp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <TextView
+            android:textAlignment="center"
+            android:text="Not have an account? Signup Here"
+            android:id="@+id/textViewSignUp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+    </LinearLayout>
+</android.support.constraint.ConstraintLayout>

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.example.user.firebaseauthdemo.MainActivity">
+
+   <LinearLayout
+       android:layout_centerHorizontal="true"
+       android:layout_centerVertical="true"
+       android:orientation="vertical"
+       android:layout_width="368dp"
+       android:layout_height="wrap_content"
+       tools:layout_editor_absoluteY="0dp"
+       tools:layout_editor_absoluteX="8dp" >
+
+       <TextView
+           android:layout_margin="30dp"
+           android:text="User Registration"
+           android:id="@+id/textView"
+           android:layout_width="wrap_content"
+           android:textAppearance="?android:attr/textAppearanceLarge"
+           android:layout_height="wrap_content"
+           android:layout_gravity="center_horizontal"/>
+
+       <EditText
+        android:layout_margin="15dp"
+        android:inputType="textEmailAddress"
+        android:hint="Enter your email"
+        android:id="@+id/editTextEmail"
+        android:layout_width="368dp"
+        android:layout_height="wrap_content"
+        tools:layout_editor_absoluteY="0dp"
+        tools:layout_editor_absoluteX="8dp" />
+
+    <EditText
+        android:layout_margin="15dp"
+        android:inputType="textPassword"
+        android:hint="Enter your password"
+        android:id="@+id/editTextPassword"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        tools:layout_editor_absoluteY="0dp"
+        tools:layout_editor_absoluteX="8dp" />
+
+       <Button
+           android:layout_margin="15dp"
+           android:id="@+id/buttonRegister"
+           android:text="Register User"
+           android:layout_width="match_parent"
+           android:layout_height="wrap_content" />
+
+       <TextView
+           android:textAlignment="center"
+           android:text="Already Registered? Sign in here"
+           android:id="@+id/textViewSignIn"
+           android:layout_width="match_parent"
+           android:layout_height="wrap_content" />
+
+    </LinearLayout>
+</android.support.constraint.ConstraintLayout>
+

+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="com.example.user.firebaseauthdemo.ProfileActivity">
+
+    <LinearLayout
+        android:layout_width="368dp"
+        android:layout_height="495dp"
+        android:orientation="vertical"
+        tools:layout_editor_absoluteX="8dp"
+        tools:layout_editor_absoluteY="8dp">
+
+        <TextView
+            android:layout_margin="15dp"
+            android:id="@+id/textViewUserEmail"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:text="TextView"
+            android:layout_gravity="center_horizontal"/>
+
+        <EditText
+            android:id="@+id/editTextAddress"
+            android:hint="Enter Address"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <EditText
+            android:id="@+id/editTextName"
+            android:hint="Enter your Name"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
+
+        <Button
+            android:layout_margin="15dp"
+            android:id="@+id/buttonSave"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="Save information" />
+
+        <Button
+            android:id="@+id/buttonLogout"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center_horizontal"
+            android:text="Logout" />
+    </LinearLayout>
+</android.support.constraint.ConstraintLayout>

+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#3F51B5</color>
+    <color name="colorPrimaryDark">#303F9F</color>
+    <color name="colorAccent">#FF4081</color>
+</resources>

+<resources>
+    <string name="app_name">FirebaseAuthDemo</string>
+</resources>

+<resources>
+
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+
+</resources>

+package com.example.user.firebaseauthdemo;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() throws Exception {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file

+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+
+buildscript {
+    repositories {
+        jcenter()
+    }
+    dependencies {
+        classpath 'com.android.tools.build:gradle:2.3.3'
+        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
+    }
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+task clean(type: Delete) {
+    delete rootProject.buildDir
+}

+# Project-wide Gradle settings.
+
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx1536m
+
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true

+#Fri Sep 22 23:11:54 KST 2017
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-3.3-all.zip

+#!/usr/bin/env bash
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS=""
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn ( ) {
+    echo "$*"
+}
+
+die ( ) {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+esac
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin, switch paths to Windows format before running java
+if $cygwin ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=$((i+1))
+    done
+    case $i in
+        (0) set -- ;;
+        (1) set -- "$args0" ;;
+        (2) set -- "$args0" "$args1" ;;
+        (3) set -- "$args0" "$args1" "$args2" ;;
+        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
+function splitJvmOpts() {
+    JVM_OPTS=("$@")
+}
+eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
+JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
+
+exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"

+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS=
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto init
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto init
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:init
+@rem Get command-line arguments, handling Windowz variants
+
+if not "%OS%" == "Windows_NT" goto win9xME_args
+if "%@eval[2+2]" == "4" goto 4NT_args
+
+:win9xME_args
+@rem Slurp the command line arguments.
+set CMD_LINE_ARGS=
+set _SKIP=2
+
+:win9xME_args_slurp
+if "x%~1" == "x" goto execute
+
+set CMD_LINE_ARGS=%*
+goto execute
+
+:4NT_args
+@rem Get arguments from the 4NT Shell from JP Software
+set CMD_LINE_ARGS=%$
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

+include ':app'