Update

AvinandanBose · AvinandanBose · commit 627b74649cf3 · 2022-05-20T15:27:10.000+05:30
diff --git a/Update 15 (Refactoration)-2/ReadMe.md b/Update 15 (Refactoration)-2/ReadMe.md
diff --git a/android/app/build.gradle b/android/app/build.gradle
@@ -22,6 +22,7 @@ if (flutterVersionName == null) {
 }
 
 apply plugin: 'com.android.application'
+apply plugin: 'com.google.gms.google-services'
 apply plugin: 'kotlin-android'
 apply from: "$flutterRoot/packages/flutter_tools/gradle/flutter.gradle"
 
@@ -43,11 +44,12 @@ android {
 
     defaultConfig {
         // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId "com.example.flash_chat_flutter_firebase"
+        applicationId "com.MyChat.flash_chat_flutter_firebase"
         minSdkVersion flutter.minSdkVersion
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        multiDexEnabled true
     }
 
     buildTypes {
@@ -65,4 +67,7 @@ flutter {
 
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation platform('com.google.firebase:firebase-bom:30.0.1')
+    implementation 'com.google.firebase:firebase-analytics'
+    implementation 'com.google.firebase:firebase-analytics-ktx'
 }
diff --git a/android/app/google-services.json b/android/app/google-services.json
@@ -0,0 +1,39 @@
+{
+  "project_info": {
+    "project_number": "831044757364",
+    "project_id": "my-flash-chat-109c0",
+    "storage_bucket": "my-flash-chat-109c0.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:831044757364:android:fd95e5e9e181736901ae21",
+        "android_client_info": {
+          "package_name": "com.MyChat.flash_chat_flutter_firebase"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "831044757364-vqt7lf02krp5jilbmjsn1dmji3it081h.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBxwX-2iTDNvkr8OveEBii_uXfnLaFf1vM"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "831044757364-vqt7lf02krp5jilbmjsn1dmji3it081h.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
diff --git a/android/build.gradle b/android/build.gradle
@@ -8,6 +8,7 @@ buildscript {
     dependencies {
         classpath 'com.android.tools.build:gradle:4.1.0'
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath 'com.google.gms:google-services:4.3.10'
     }
 }
 
diff --git a/lib/main.dart b/lib/main.dart
@@ -1,10 +1,15 @@
+import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'package:flash_chat_flutter_firebase/screens/welcome_screen.dart';
 import 'package:flash_chat_flutter_firebase/screens/login_screen.dart';
 import 'package:flash_chat_flutter_firebase/screens/registration_screen.dart';
 import 'package:flash_chat_flutter_firebase/screens/chat_screen.dart';
 
-void main() => runApp(FlashChat());
+void main()async{
+  WidgetsFlutterBinding.ensureInitialized();
+  await Firebase.initializeApp();
+  runApp(FlashChat());
+}
 
 class FlashChat extends StatelessWidget {
   @override
diff --git a/lib/screens/chat_screen.dart b/lib/screens/chat_screen.dart
@@ -1,3 +1,4 @@
+import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:flash_chat_flutter_firebase/constants.dart';
 
@@ -8,6 +9,27 @@ class ChatScreen extends StatefulWidget {
 }
 
 class _ChatScreenState extends State<ChatScreen> {
+  final _auth = FirebaseAuth.instance;
+  User? loggedInUser;
+
+  void getCurrentUser() async {
+    try {
+      final user = await _auth.currentUser;
+      if (user != null) {
+        loggedInUser = user;
+        print(loggedInUser);
+
+      }
+    } catch (e) {
+      print(e);
+    }
+  }
+  @override
+  void initState() {
+    super.initState();
+
+    getCurrentUser();
+  }
   @override
   Widget build(BuildContext context) {
     return Scaffold(
diff --git a/lib/screens/login_screen.dart b/lib/screens/login_screen.dart
@@ -1,13 +1,18 @@
+import 'package:flash_chat_flutter_firebase/screens/chat_screen.dart';
 import 'package:flutter/material.dart';
 import 'package:flash_chat_flutter_firebase/components/rounded_button.dart';
 import 'package:flash_chat_flutter_firebase/constants.dart';
+import 'package:firebase_auth/firebase_auth.dart';
 class LoginScreen extends StatefulWidget {
   static const String id = 'login_screen';
   @override
   _LoginScreenState createState() => _LoginScreenState();
 }
 
 class _LoginScreenState extends State<LoginScreen> {
+  final _auth = FirebaseAuth.instance;
+  String? email;
+  String? password;
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -25,28 +30,42 @@ class _LoginScreenState extends State<LoginScreen> {
                 child: Image.asset('images/logo.png'),
               ),
             ),
-            SizedBox(
+            const SizedBox(
               height: 48.0,
             ),
             TextField(
+              textAlign: TextAlign.center,
               onChanged: (value) {
-                //Do something with the user input.
+                email = value;
               },
               decoration: kInputDecoration.copyWith(hintText: 'Enter your email'),
             ),
-            SizedBox(
+            const SizedBox(
               height: 8.0,
             ),
             TextField(
+              textAlign: TextAlign.center,
+              obscureText: true,
               onChanged: (value) {
-                //Do something with the user input.
+                password = value;
               },
               decoration: kInputDecoration.copyWith(hintText: 'Enter your password'),
             ),
-            SizedBox(
+            const SizedBox(
               height: 24.0,
             ),
-            RoundButton(title: 'Log In' , color: Colors.blueAccent, onPressed: (){})
+            RoundButton(title: 'Log In' , color: Colors.blueAccent, onPressed: (){
+              try {
+                final user = _auth.signInWithEmailAndPassword(
+                    email: email!, password: password!);
+                if (user != null) {
+                  Navigator.pushNamed(context, ChatScreen.id);
+                }
+              }on Error catch(e){
+                print(e);
+              }
+
+            })
           ],
         ),
       ),
diff --git a/lib/screens/registration_screen.dart b/lib/screens/registration_screen.dart
@@ -1,13 +1,22 @@
 import 'package:flash_chat_flutter_firebase/constants.dart';
 import 'package:flutter/material.dart';
 
+import '../components/rounded_button.dart';
+
+import 'package:firebase_auth/firebase_auth.dart';
+
+import 'chat_screen.dart';
+
 class RegistrationScreen extends StatefulWidget {
   static const String id = 'registration_screen';
   @override
   _RegistrationScreenState createState() => _RegistrationScreenState();
 }
 
 class _RegistrationScreenState extends State<RegistrationScreen> {
+  final _auth = FirebaseAuth.instance;
+  String? email;
+  String? password;
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -25,46 +34,45 @@ class _RegistrationScreenState extends State<RegistrationScreen> {
                 child: Image.asset('images/logo.png'),
               ),
             ),
-            SizedBox(
+            const SizedBox(
               height: 48.0,
             ),
             TextField(
+              keyboardType: TextInputType.emailAddress,
+              textAlign:TextAlign.center,
               onChanged: (value) {
-                //Do something with the user input.
+                email = value;
               },
               decoration: kInputDecoration.copyWith(hintText: "Enter your Email"),
             ),
-            SizedBox(
+            const SizedBox(
               height: 8.0,
             ),
             TextField(
+              keyboardType: TextInputType.visiblePassword,
+              textAlign:TextAlign.center,
+              obscureText: true,
               onChanged: (value) {
-                //Do something with the user input.
+                password = value;
               },
               decoration: kInputDecoration.copyWith(hintText: "Enter your password"),
             ),
-            SizedBox(
+            const SizedBox(
               height: 24.0,
             ),
-            Padding(
-              padding: EdgeInsets.symmetric(vertical: 16.0),
-              child: Material(
-                color: Colors.blueAccent,
-                borderRadius: BorderRadius.all(Radius.circular(30.0)),
-                elevation: 5.0,
-                child: MaterialButton(
-                  onPressed: () {
-                    //Implement registration functionality.
-                  },
-                  minWidth: 200.0,
-                  height: 42.0,
-                  child: Text(
-                    'Register',
-                    style: TextStyle(color: Colors.white),
-                  ),
-                ),
-              ),
-            ),
+            RoundButton(title:'Register', color: Colors.blueAccent, onPressed: ()async{
+              try {
+                final newUser = await _auth.createUserWithEmailAndPassword(
+                    email: email!, password: password!);
+                if(newUser != null){
+                  Navigator.pushNamed(context, ChatScreen.id);
+                }
+              }on Error catch(e){
+                print(e);
+              }
+              // print(email);
+              // print(password);
+            },),
           ],
         ),
       ),
diff --git a/pubspec.lock b/pubspec.lock
diff --git a/pubspec.yaml b/pubspec.yaml

Original file line number	Diff line number	Diff line change
`@@ -8,6 +8,7 @@ buildscript {`
`8`	`8`	`dependencies {`
`9`	`9`	`classpath 'com.android.tools.build:gradle:4.1.0'`
`10`	`10`	`classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"`
	`11`	`+ classpath 'com.google.gms:google-services:4.3.10'`
`11`	`12`	`}`
`12`	`13`	`}`
`13`	`14`