updated Files

android/app/src/main/AndroidManifest.xml

@@ -10,6 +10,8 @@
             android:exported="true"
             android:launchMode="singleTop"
             android:theme="@style/LaunchTheme"
+            android:showWhenLocked="true"
+            android:turnScreenOn="true"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
             android:windowSoftInputMode="adjustResize">

ios/Runner/AppDelegate.swift

@@ -10,4 +10,7 @@ import Flutter
     GeneratedPluginRegistrant.register(with: self)
     return super.application(application, didFinishLaunchingWithOptions: launchOptions)
   }
+  if #available(iOS 10.0, *) {
+  UNUserNotificationCenter.current().delegate = self as? UNUserNotificationCenterDelegate
+  }
 }

lib/Screens/AB/Login.dart → lib/AB/Screens/Common/Auth/Login.dart

-import 'dart:io';
 import 'dart:ui';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
-import 'package:ifarm/Screens/AB/register.dart';
+import 'package:ifarm/AB/Screens/Common/Auth/register.dart';
+import 'package:ifarm/AB/Utils/Colors.dart';
+import 'package:ifarm/AB/widget/customizedTextField.dart';
 import 'package:ifarm/functions/authFunctions.dart';
-import 'package:ifarm/widget/customizedTextField.dart';
 
 class Login extends StatefulWidget {
-  Login({Key? key}) : super(key: key);
+  Login({Key key}) : super(key: key);
 
   @override
   State<Login> createState() => _LoginState();
@@ -36,7 +36,7 @@ class _LoginState extends State<Login> {
     Size size = MediaQuery.of(context).size;
     return Scaffold(
       appBar: AppBar(
-        backgroundColor: const Color(0xff024F8E),
+        backgroundColor: backgroundColor,
         elevation: 0,
         toolbarHeight: 0,
       ),
@@ -46,7 +46,7 @@ class _LoginState extends State<Login> {
             Container(
               height: size.height,
               width: size.width,
-              color: const Color(0xff024F8E),
+              color: backgroundColor,
               child: Transform.translate(
                 offset: const Offset(0, -190),
                 child: Image.asset(
@@ -72,7 +72,7 @@ class _LoginState extends State<Login> {
                       decoration: BoxDecoration(
                         border: Border.all(
                             color: const Color.fromARGB(255, 241, 246, 255)),
-                        color: const Color(0xff06375F).withOpacity(0.37),
+                        color: backgroundColor.withOpacity(0.37),
                         borderRadius: BorderRadius.circular(20),
                       ),
                       child: Column(
@@ -133,9 +133,9 @@ class _LoginState extends State<Login> {
                                 Checkbox(
                                     checkColor: Colors.white,
                                     value: isChecked,
-                                    onChanged: (bool? value) {
+                                    onChanged: (bool value) {
                                       setState(() {
-                                        isChecked = value!;
+                                        isChecked = value;
                                       });
                                     }),
                                 const Text(
@@ -165,8 +165,7 @@ class _LoginState extends State<Login> {
                                     padding: const EdgeInsets.symmetric(
                                         horizontal: 20, vertical: 10),
                                     decoration: BoxDecoration(
-                                        border: Border.all(
-                                            color: const Color(0xffFEC427)),
+                                        border: Border.all(color: yellowButton),
                                         borderRadius:
                                             BorderRadius.circular(10)),
                                     child: const Padding(
@@ -180,6 +179,9 @@ class _LoginState extends State<Login> {
                                       ),
                                     ),
                                   )),
+                              const SizedBox(
+                                width: 10,
+                              ),
                               GestureDetector(
                                   onTap: () {
                                     print(emailController.text);
@@ -203,7 +205,7 @@ class _LoginState extends State<Login> {
                                     padding: const EdgeInsets.symmetric(
                                         horizontal: 20, vertical: 10),
                                     decoration: BoxDecoration(
-                                        color: const Color(0xffFEC427),
+                                        color: yellowButton,
                                         borderRadius:
                                             BorderRadius.circular(10)),
                                     child: const Padding(
@@ -211,7 +213,9 @@ class _LoginState extends State<Login> {
                                           horizontal: 5, vertical: 1),
                                       child: Text(
                                         'Login',
-                                        style: TextStyle(fontFamily: 'poppins'),
+                                        style: TextStyle(
+                                            fontFamily: 'poppins',
+                                            color: blacktxtColor),
                                       ),
                                     ),
                                   )),

lib/Screens/AB/register.dart → lib/AB/Screens/Common/Auth/register.dart

-import 'dart:ui';
-
-import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
-import 'package:ifarm/Screens/AB/Login.dart';
-
+import 'package:ifarm/AB/Screens/Common/Auth/Login.dart';
 import 'package:ifarm/functions/authFunctions.dart';
-import 'package:ifarm/widget/customizedTextField.dart';
+import 'package:ifarm/AB/widget/customizedTextField.dart';
 
 class register extends StatefulWidget {
-  register({Key? key}) : super(key: key);
+  register({Key key}) : super(key: key);
 
   @override
   State<register> createState() => _registerState();

lib/Screens/AB/NetworkErrorPage.dart → lib/AB/Screens/Common/NetworkErrorPage.dart

 import 'package:flutter/material.dart';
-import 'package:ifarm/Screens/AB/SplashScreen.dart';
+
+import 'SplashScreen.dart';
 
 class networkError extends StatefulWidget {
-  networkError({Key? key}) : super(key: key);
+  networkError({Key key}) : super(key: key);
 
   @override
   State<networkError> createState() => _networkErrorState();

lib/Screens/AB/SplashScreen.dart → lib/AB/Screens/Common/SplashScreen.dart

 import 'dart:async';
-import 'dart:io';
-
 import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:flutter/material.dart';
-import 'package:ifarm/Screens/AB/Login.dart';
-import 'package:ifarm/Screens/AB/Navbar.dart';
-import 'package:ifarm/Screens/AB/NetworkErrorPage.dart';
+import 'package:ifarm/AB/Screens/Common/Auth/Login.dart';
+import 'package:ifarm/AB/Screens/NavBar/Navbar.dart';
 import 'package:ifarm/functions/Network.dart';
-import 'package:provider/provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class splashScreen extends StatefulWidget {
-  splashScreen({Key? key}) : super(key: key);
+  splashScreen({Key key}) : super(key: key);
 
   @override
   State<splashScreen> createState() => _splashScreenState();
 }
 
-int? logged;
+int logged;
 
 class _splashScreenState extends State<splashScreen>
     with TickerProviderStateMixin {
   bool isoffline = false;
-  Map _source = {ConnectivityResult.none: false};
+  final Map _source = {ConnectivityResult.none: false};
   final NetworkConnectivity _networkConnectivity = NetworkConnectivity.instance;
   String string = '';
-  late AnimationController _controller;
   void initState() {
     getdata();
     savedata();
     super.initState();
-    _controller = AnimationController(vsync: this);
-    _controller.addListener(() {
-      print(_controller.value);
-      //  if the full duration of the animation is 8 secs then 0.5 is 4 secs
-      if (_controller.value > 1) {
-// When it gets there hold it there.
-        _controller.value = 1;
-      }
-    });
-    //set time to load the new page
-
-    super.initState();
   }
 
   @override

lib/Screens/AB/Food.dart → lib/AB/Screens/FoodBucket/FoodBucketList.dart

@@ -4,11 +4,12 @@ import 'package:firebase_database/firebase_database.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
-import 'package:ifarm/Screens/AB/data.dart';
+import 'package:ifarm/AB/Screens/FoodBucket/SingleFoodBucketData.dart';
+import 'package:ifarm/AB/Utils/Colors.dart';
 import 'package:ifarm/functions/firebaseFunctions.dart';
 
 class foodbuckets extends StatefulWidget {
-  foodbuckets({Key? key}) : super(key: key);
+  foodbuckets({Key key}) : super(key: key);
 
   @override
   State<foodbuckets> createState() => _foodbucketsState();
@@ -65,7 +66,7 @@ class _foodbucketsState extends State<foodbuckets> {
                   return const Center(child: CircularProgressIndicator());
                 }
                 final storedata = [];
-                snapshot.data!.docs.map((DocumentSnapshot document) {
+                snapshot.data.docs.map((DocumentSnapshot document) {
                   Map a = document.data() as Map<String, dynamic>;
                   storedata.add(a);
                 }).toList();
@@ -87,14 +88,15 @@ class _foodbucketsState extends State<foodbuckets> {
                               Navigator.push(
                                   context,
                                   MaterialPageRoute(
-                                      builder: (context) => datafromfirebase(
+                                      builder: (context) =>
+                                          SingleFoodBucketData(
                                             bucketId: storedata[0]['Buckets']
                                                 [index],
                                           )));
                             },
                             child: Container(
                               decoration: BoxDecoration(
-                                  color: Colors.white,
+                                  color: cardColor,
                                   borderRadius: BorderRadius.circular(15)),
                               margin: const EdgeInsets.symmetric(vertical: 5),
                               padding: const EdgeInsets.symmetric(

lib/Screens/AB/data.dart → lib/AB/Screens/FoodBucket/SingleFoodBucketData.dart

@@ -4,12 +4,12 @@ import 'package:flutter/material.dart';
 import 'package:liquid_progress_indicator/liquid_progress_indicator.dart';
 import 'package:switcher_button/switcher_button.dart';
 
-class datafromfirebase extends StatefulWidget {
+class SingleFoodBucketData extends StatefulWidget {
   String bucketId;
-  datafromfirebase({Key? key, required this.bucketId}) : super(key: key);
+  SingleFoodBucketData({Key key, this.bucketId}) : super(key: key);
 
   @override
-  State<datafromfirebase> createState() => _datafromfirebaseState();
+  State<SingleFoodBucketData> createState() => _SingleFoodBucketDataState();
 }
 
 String d = '100';
@@ -17,7 +17,7 @@ String m = '250';
 int s = 0;
 bool svalue = false;
 
-class _datafromfirebaseState extends State<datafromfirebase> {
+class _SingleFoodBucketDataState extends State<SingleFoodBucketData> {
   @override
   void initState() {
     super.initState();
@@ -27,7 +27,7 @@ class _datafromfirebaseState extends State<datafromfirebase> {
     servovalueinbool();
   }
 
-  Timer? timer;
+  Timer timer;
   void runTimer() {
     timer = Timer.periodic(const Duration(seconds: 2), (_) {
       getData();
@@ -85,7 +85,7 @@ class _datafromfirebaseState extends State<datafromfirebase> {
           icon: const Icon(Icons.arrow_back, color: Colors.white),
           onPressed: () {
             Navigator.pop(context);
-            timer!.cancel();
+            timer.cancel();
           },
         ),
         backgroundColor: const Color(0xff024F8E),

lib/AB/Screens/NavBar/FoodBucketSchedule.dart

+import 'package:flutter/material.dart';
+
+class FoodBucketSchedule extends StatefulWidget {
+  FoodBucketSchedule({Key key}) : super(key: key);
+
+  @override
+  State<FoodBucketSchedule> createState() => _FoodBucketScheduleState();
+}
+
+class _FoodBucketScheduleState extends State<FoodBucketSchedule> {
+  @override
+  Widget build(BuildContext context) {
+    return Container();
+  }
+}

lib/Screens/AB/Home.dart → lib/AB/Screens/NavBar/Home.dart

+import 'dart:async';
+
+import 'package:firebase_database/firebase_database.dart';
 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-import 'package:ifarm/Screens/AB/Food.dart';
+import 'package:ifarm/AB/Screens/FoodBucket/FoodBucketList.dart';
+import 'package:ifarm/AB/Utils/Colors.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
 class Home extends StatefulWidget {
-  Home({Key? key}) : super(key: key);
+  Home({Key key}) : super(key: key);
 
   @override
   State<Home> createState() => _HomeState();
@@ -25,6 +29,18 @@ class _HomeState extends State<Home> {
     super.initState();
   }
 
+  gettemp() {
+    FirebaseDatabase.instance
+        .ref()
+        .child('sensor_data/temperature')
+        .onValue
+        .listen((event) {
+      setState(() {
+        t = event.snapshot.value.toString();
+      });
+    });
+  }
+
   getdata() async {
     print('login');
     SharedPreferences localStorage = await SharedPreferences.getInstance();
@@ -45,21 +61,16 @@ class _HomeState extends State<Home> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: const Color(0xff024F8E),
+      backgroundColor: backgroundColor,
       body: Container(
           margin: const EdgeInsets.symmetric(horizontal: 15),
           child: Column(
             crossAxisAlignment: CrossAxisAlignment.start,
             children: [
-              const SizedBox(
-                height: 50,
-              ),
               Container(
-                width: 150,
-                padding: const EdgeInsets.all(15),
+                padding: const EdgeInsets.all(25),
                 decoration: BoxDecoration(
-                    color: Colors.white12,
-                    borderRadius: BorderRadius.circular(20)),
+                    color: cardColor, borderRadius: BorderRadius.circular(20)),
                 child: Column(
                   crossAxisAlignment: CrossAxisAlignment.start,
                   children: [
@@ -121,10 +132,10 @@ class _HomeState extends State<Home> {
                                 }
                               : null,
                           child: Container(
-                            height: 100,
-                            padding: const EdgeInsets.all(15),
+                            padding: const EdgeInsets.symmetric(
+                                horizontal: 15, vertical: 40),
                             decoration: BoxDecoration(
-                                color: Colors.white24,
+                                color: cardColor,
                                 borderRadius: BorderRadius.circular(20)),
                             child: Row(
                               crossAxisAlignment: CrossAxisAlignment.center,
@@ -153,10 +164,10 @@ class _HomeState extends State<Home> {
                         child: GestureDetector(
                           onTap: () {},
                           child: Container(
-                            height: 100,
-                            padding: const EdgeInsets.all(15),
+                            padding: const EdgeInsets.symmetric(
+                                horizontal: 15, vertical: 40),
                             decoration: BoxDecoration(
-                                color: Colors.white24,
+                                color: cardColor,
                                 borderRadius: BorderRadius.circular(20)),
                             child: Row(
                               crossAxisAlignment: CrossAxisAlignment.center,
@@ -192,10 +203,10 @@ class _HomeState extends State<Home> {
                         child: GestureDetector(
                           onTap: () {},
                           child: Container(
-                            height: 100,
-                            padding: const EdgeInsets.all(15),
+                            padding: const EdgeInsets.symmetric(
+                                horizontal: 15, vertical: 40),
                             decoration: BoxDecoration(
-                                color: Colors.white24,
+                                color: cardColor,
                                 borderRadius: BorderRadius.circular(20)),
                             child: Row(
                               crossAxisAlignment: CrossAxisAlignment.center,
@@ -226,10 +237,10 @@ class _HomeState extends State<Home> {
                             print('water');
                           },
                           child: Container(
-                            height: 100,
-                            padding: const EdgeInsets.all(15),
+                            padding: const EdgeInsets.symmetric(
+                                horizontal: 15, vertical: 40),
                             decoration: BoxDecoration(
-                                color: Colors.white24,
+                                color: cardColor,
                                 borderRadius: BorderRadius.circular(20)),
                             child: Row(
                               crossAxisAlignment: CrossAxisAlignment.center,

lib/Screens/AB/Navbar.dart → lib/AB/Screens/NavBar/Navbar.dart

 import 'package:flutter/material.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
-
-import 'package:ifarm/Screens/AB/Home.dart';
-import 'package:ifarm/Screens/AB/Profile.dart';
-import 'package:ifarm/Screens/AB/settings.dart';
-import 'package:ifarm/Screens/AB/shop.dart';
+import 'package:ifarm/AB/Screens/NavBar/FoodBucketSchedule.dart';
+import 'package:ifarm/AB/Screens/NavBar/Home.dart';
+import 'package:ifarm/AB/Screens/NavBar/Profile.dart';
+import 'package:ifarm/AB/Screens/NavBar/settings.dart';
+import 'package:ifarm/AB/Utils/Colors.dart';
 
 class Navbar extends StatefulWidget {
   Navbar({
-    Key? key,
+    Key key,
   }) : super(key: key);
 
   @override
@@ -21,7 +21,7 @@ class _NavbarState extends State<Navbar> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: const Color(0xff024F8E),
+      backgroundColor: backgroundColor,
       appBar: AppBar(
         title: const SizedBox(
             width: 100,
@@ -70,7 +70,7 @@ class _NavbarState extends State<Navbar> {
   Widget buildPages() {
     switch (_selectedIndex) {
       case 1:
-        return shop();
+        return FoodBucketSchedule();
       case 2:
         return profile();
       case 3:

lib/Screens/AB/Profile.dart → lib/AB/Screens/NavBar/Profile.dart

@@ -2,7 +2,7 @@ import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 
 class profile extends StatefulWidget {
-  profile({Key? key}) : super(key: key);
+  profile({Key key}) : super(key: key);
 
   @override
   State<profile> createState() => _profileState();

lib/Screens/AB/settings.dart → lib/AB/Screens/NavBar/settings.dart

 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
-import 'package:ifarm/Screens/AB/Login.dart';
-import 'package:ifarm/Screens/AB/SplashScreen.dart';
+import 'package:ifarm/AB/Utils/ThemeProvider.dart';
 
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:switcher_button/switcher_button.dart';
 
+import '../Common/SplashScreen.dart';
+
 class settings extends StatefulWidget {
   settings({
-    Key? key,
+    Key key,
   }) : super(key: key);
 
   @override
@@ -28,22 +29,6 @@ class _settingsState extends State<settings> {
     super.initState();
   }
 
-  getdata() async {
-    print('login');
-    SharedPreferences localStorage = await SharedPreferences.getInstance();
-    var foodswitch1 = localStorage.getBool('food') as bool;
-    var waterswitch1 = localStorage.getBool('water') as bool;
-    var environmentswitch1 = localStorage.getBool('env') as bool;
-    var securityswitch1 = localStorage.getBool('security') as bool;
-
-    setState(() {
-      foodswitch = foodswitch1;
-      waterswitch1 = waterswitch1;
-      environmentswitch = environmentswitch1;
-      securityswitch = securityswitch1;
-    });
-  }
-
   @override
   Widget build(BuildContext context) {
     return Container(
@@ -60,7 +45,25 @@ class _settingsState extends State<settings> {
                 color: Colors.white, fontSize: 30, fontWeight: FontWeight.bold),
           )),
           const SizedBox(
-            height: 70,
+            height: 10,
+          ),
+          Row(
+            mainAxisAlignment: MainAxisAlignment.spaceBetween,
+            children: [
+              const Expanded(
+                  child: Text(
+                'Theme',
+                style: TextStyle(color: Colors.white, fontSize: 17),
+              )),
+              // Switch(
+              //     value: _themeManager.themeMode == ThemeMode.dark,
+              //     onChanged: (value) {
+              //       _themeManager.toggleTheme(value);
+              //     })
+            ],
+          ),
+          const SizedBox(
+            height: 40,
           ),
           Row(
             mainAxisAlignment: MainAxisAlignment.spaceBetween,
@@ -221,4 +224,20 @@ class _settingsState extends State<settings> {
     localStorage.setBool('security', value);
     print('save');
   }
+
+  getdata() async {
+    print('login');
+    SharedPreferences localStorage = await SharedPreferences.getInstance();
+    var foodswitch1 = localStorage.getBool('food') as bool;
+    var waterswitch1 = localStorage.getBool('water') as bool;
+    var environmentswitch1 = localStorage.getBool('env') as bool;
+    var securityswitch1 = localStorage.getBool('security') as bool;
+
+    setState(() {
+      foodswitch = foodswitch1;
+      waterswitch1 = waterswitch1;
+      environmentswitch = environmentswitch1;
+      securityswitch = securityswitch1;
+    });
+  }
 }

lib/AB/Utils/Colors.dart

+import 'package:flutter/material.dart';
+
+const backgroundColor = Color(0xff024F8E);
+const backgroundColorDark = Color.fromARGB(255, 27, 27, 27);
+const cardColor = Color.fromARGB(54, 255, 255, 255);
+const textColor = Color.fromARGB(255, 255, 255, 255);
+const subtextColor = Color.fromARGB(255, 223, 223, 223);
+const naviconSelectedColor = Color.fromARGB(255, 255, 255, 255);
+const naviconUnselectedColor = Color.fromARGB(255, 170, 170, 170);
+const yellowButton = Color(0xffFEC427);
+const blacktxtColor = Color.fromARGB(255, 0, 0, 0);

lib/AB/Utils/ThemeProvider.dart

+import 'package:flutter/material.dart';
+import 'package:ifarm/AB/Utils/Colors.dart';
+
+class ThemeProvider with ChangeNotifier {
+  ThemeMode _themeMode = ThemeMode.light;
+
+  bool get themeMode => _themeMode == ThemeMode.light;
+}
+
+ThemeData lightTheme = ThemeData(
+    scaffoldBackgroundColor: backgroundColor,
+    colorScheme: const ColorScheme.light(
+      primary: backgroundColor,
+      brightness: Brightness.light,
+    ));
+ThemeData darkTheme = ThemeData(
+    scaffoldBackgroundColor: backgroundColorDark,
+    colorScheme: const ColorScheme.dark(
+      primary: backgroundColorDark,
+      brightness: Brightness.dark,
+    ));

lib/Screens/AB/shop.dart → lib/AB/widget/ChangeThemeButtonWidget.dart

 import 'package:flutter/material.dart';
 
-class shop extends StatefulWidget {
-  shop({Key? key}) : super(key: key);
+class ChangeThemeButtonWidget extends StatelessWidget {
+  const ChangeThemeButtonWidget({Key key}) : super(key: key);
 
-  @override
-  State<shop> createState() => _shopState();
-}
-
-class _shopState extends State<shop> {
   @override
   Widget build(BuildContext context) {
     return Container();

lib/Screens/AB/QRCodeScanner.dart → lib/AB/widget/QRCodeScanner.dart

@@ -3,7 +3,7 @@ import 'package:flutter/services.dart';
 import 'package:flutter_barcode_scanner/flutter_barcode_scanner.dart';
 
 class QRScanner extends StatefulWidget {
-  QRScanner({Key? key}) : super(key: key);
+  QRScanner({Key key}) : super(key: key);
 
   @override
   State<QRScanner> createState() => _QRScannerState();

lib/widget/customizedTextField.dart → lib/AB/widget/customizedTextField.dart

 import 'package:flutter/material.dart';
 
 class customizedTextField extends StatefulWidget {
-  final TextEditingController? mycontroller;
-  final String? lableText, empty;
-  final bool? isPassword;
+  final TextEditingController mycontroller;
+  final String lableText, empty;
+  final bool isPassword;
   customizedTextField(
-      {Key? key,
-      this.mycontroller,
-      this.lableText,
-      this.isPassword,
-      this.empty})
+      {Key key, this.mycontroller, this.lableText, this.isPassword, this.empty})
       : super(key: key);
 
   @override
@@ -36,7 +32,7 @@ class _customizedTextFieldState extends State<customizedTextField> {
         padding: const EdgeInsets.symmetric(horizontal: 20),
         child: TextFormField(
           validator: (value) {
-            if (value!.isEmpty) {
+            if (value.isEmpty) {
               return widget.empty;
             }
           },
@@ -45,7 +41,7 @@ class _customizedTextFieldState extends State<customizedTextField> {
           style: const TextStyle(color: Color.fromARGB(255, 0, 0, 0)),
           cursorColor: const Color.fromARGB(255, 0, 0, 0),
           decoration: InputDecoration(
-              suffixIcon: widget.isPassword!
+              suffixIcon: widget.isPassword
                   ? GestureDetector(
                       onTap: () {
                         _toggle();

lib/Screens/AB/Bucket.dart

-import 'package:cloud_firestore/cloud_firestore.dart';
-
-class Bucket {
-  final List<String>? bucketId;
-
-  Bucket({this.bucketId});
-  factory Bucket.fromFirestore(
-    DocumentSnapshot<Map<String, dynamic>> snapshot,
-  ) {
-    final data = snapshot.data();
-    return Bucket(
-        bucketId:
-            data?['Buckets'] is Iterable ? List.from(data?['regions']) : null);
-  }
-}

lib/Screens/AB/Firebaselist.dart

-import 'package:firebase_database/firebase_database.dart';
-import 'package:firebase_database/ui/firebase_animated_list.dart';
-import 'package:flutter/material.dart';
-
-class firebaselist extends StatefulWidget {
-  firebaselist({Key? key}) : super(key: key);
-
-  @override
-  State<firebaselist> createState() => _firebaselistState();
-}
-
-class _firebaselistState extends State<firebaselist> {
-  final firebasedatalist = FirebaseDatabase.instance;
-
-  @override
-  Widget build(BuildContext context) {
-    Query ref = firebasedatalist.ref().child('Food');
-
-    return Scaffold(
-        appBar: AppBar(
-          centerTitle: true,
-          title: const Text(
-            'Device',
-            style: TextStyle(
-              fontSize: 30,
-            ),
-          ),
-          backgroundColor: Colors.indigo[900],
-        ),
-        body: FirebaseAnimatedList(
-            query: ref,
-            itemBuilder: (context, snapshot, animation, index) {
-              return GestureDetector(
-                onTap: () {},
-                child: Container(
-                  child: Padding(
-                    padding: const EdgeInsets.all(8.0),
-                    child: ListTile(
-                      shape: RoundedRectangleBorder(
-                        side: const BorderSide(
-                          color: Colors.white,
-                        ),
-                        borderRadius: BorderRadius.circular(10),
-                      ),
-                      tileColor: Colors.indigo[100],
-                      trailing: IconButton(
-                        icon: Icon(
-                          Icons.delete,
-                          color: Colors.red[900],
-                        ),
-                        onPressed: () {
-                          firebasedatalist
-                              .ref()
-                              .child('Food')
-                              .child(snapshot.key!)
-                              .remove();
-                        },
-                      ),
-                      title: Text(
-                        snapshot.key.toString(),
-                        style: const TextStyle(
-                          fontSize: 25,
-                          fontWeight: FontWeight.bold,
-                        ),
-                      ),
-                    ),
-                  ),
-                ),
-              );
-            }));
-  }
-}

lib/functions/authFunctions.dart

 import 'package:firebase_auth/firebase_auth.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
-import 'package:ifarm/Screens/AB/Navbar.dart';
-import 'package:ifarm/Screens/AB/SplashScreen.dart';
+import 'package:ifarm/AB/Screens/NavBar/Navbar.dart';
 import 'package:ifarm/functions/firebaseFunctions.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 
@@ -13,8 +12,8 @@ class AuthServices {
       UserCredential userCredential = await FirebaseAuth.instance
           .createUserWithEmailAndPassword(email: email, password: password);
 
-      await FirebaseAuth.instance.currentUser!.updateDisplayName(name);
-      await FirebaseAuth.instance.currentUser!.updateEmail(email);
+      await FirebaseAuth.instance.currentUser.updateDisplayName(name);
+      await FirebaseAuth.instance.currentUser.updateEmail(email);
       await FirestoreServices.saveUser(name, email);
       Fluttertoast.showToast(
           msg: 'Registration Successful',

lib/main.dart

@@ -2,8 +2,9 @@ import 'dart:io';
 
 import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
+import 'package:ifarm/AB/Utils/ThemeProvider.dart';
 
-import 'Screens/AB/SplashScreen.dart';
+import 'AB/Screens/Common/SplashScreen.dart';
 
 void main() async {
   WidgetsFlutterBinding.ensureInitialized();
@@ -13,16 +14,16 @@ void main() async {
 }
 
 class MyApp extends StatelessWidget {
-  const MyApp({Key? key}) : super(key: key);
+  const MyApp({Key key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       title: 'IFarm',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
+      theme: lightTheme,
+      darkTheme: darkTheme,
+      themeMode: ThemeMode.system,
       home: splashScreen(),
     );
   }

pubspec.yaml

@@ -7,7 +7,7 @@ publish_to: 'none'
 version: 1.0.0+1
 
 environment:
-  sdk: ">=2.16.2 <3.0.0"
+  sdk: ">=2.7.2 <3.0.0"
 
 dependencies:
   flutter: