flask backend integrated and onboarding screens added

android/app/build.gradle

@@ -45,10 +45,11 @@ android {
         applicationId "com.example.anom_alert"
         // You can update the following values to match your application needs.
         // For more information, see: https://docs.flutter.dev/deployment/android#reviewing-the-gradle-build-configuration.
-        minSdkVersion flutter.minSdkVersion
+        minSdkVersion 21
         targetSdkVersion flutter.targetSdkVersion
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
+        multiDexEnabled true
     }
 
     buildTypes {
@@ -64,4 +65,6 @@ flutter {
     source '../..'
 }
 
-dependencies {}
+dependencies {
+    implementation 'com.android.support:multidex:2.0.1'
+}

android/app/src/main/AndroidManifest.xml

@@ -2,7 +2,8 @@
     <application
         android:label="anom_alert"
         android:name="${applicationName}"
-        android:icon="@mipmap/ic_launcher">
+        android:icon="@mipmap/launcher_icon"
+        android:enableOnBackInvokedCallback="true">
         <activity
             android:name=".MainActivity"
             android:exported="true"

android/build.gradle

@@ -7,6 +7,7 @@ buildscript {
 
     dependencies {
         classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        //implementation "androidx.activity:activity:1.8.2"
     }
 }
 

lib/main.dart

@@ -1,26 +1,46 @@
 import 'package:anom_alert/firebase_options.dart';
 import 'package:anom_alert/screens/auth/main_page.dart';
+import 'package:anom_alert/screens/auth/otp.dart';
+import 'package:anom_alert/screens/home_page.dart';
+import 'package:anom_alert/screens/onboarding/onboarding_main.dart';
 import 'package:anom_alert/theme.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_core/firebase_core.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:jwt_decoder/jwt_decoder.dart';
+import 'screens/onboarding/onboarding_content.dart';
 
 import 'screens/login_or_register.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
-  await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
-  runApp(const MyApp());
+  //await Firebase.initializeApp(options: DefaultFirebaseOptions.currentPlatform);
+  SharedPreferences preferences = await SharedPreferences.getInstance();
+
+  runApp(ProviderScope(
+    child: MyApp(
+      token: preferences.getString("token"),
+    ),
+  ));
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({super.key});
+  const MyApp({super.key, required this.token});
+
+  final token;
 
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
-      home: const MainPage(),
+      home: Scaffold(
+        body: const HomePage(),
+        // body: (JwtDecoder.isExpired(token)
+        //     ? const LoginOrRegisterScreen()
+        //     : HomePage(token: token)),
+      ),
       theme: AppTheme.theme,
     );
   }

lib/screens/auth/google_sign_in_auth.dart

@@ -0,0 +1,58 @@
+import 'dart:async';
+
+import 'package:anom_alert/screens/auth/main_page.dart';
+import 'package:flutter/material.dart';
+import 'package:google_sign_in/google_sign_in.dart';
+import 'package:google_fonts/google_fonts.dart';
+import 'package:firebase_auth/firebase_auth.dart';
+
+Future<UserCredential> signInWithGoogle() async {
+  // Trigger the authentication flow
+  final GoogleSignInAccount? googleUser = await GoogleSignIn().signIn();
+
+  // Obtain the auth details from the request
+  final GoogleSignInAuthentication? googleAuth =
+      await googleUser?.authentication;
+
+  // Create a new credential
+  final credential = GoogleAuthProvider.credential(
+    accessToken: googleAuth?.accessToken,
+    idToken: googleAuth?.idToken,
+  );
+
+  // Once signed in, return the UserCredential
+  const MainPage();
+  return await FirebaseAuth.instance.signInWithCredential(credential);
+}
+
+Future<void> _googleSignIn() async {
+  await signInWithGoogle();
+  const MainPage();
+}
+
+class GoogleSignInAuth extends StatelessWidget {
+  const GoogleSignInAuth({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return OutlinedButton(
+        onPressed: _googleSignIn,
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            const Image(
+              image: AssetImage("assets/images/google-logo.png"),
+              height: 24,
+              width: 24,
+            ),
+            const SizedBox(
+              width: 4,
+            ),
+            Text(
+              "Login with Google",
+              style: GoogleFonts.urbanist(),
+            ),
+          ],
+        ));
+  }
+}