feat:removed warnings

lib/feedback.dart

@@ -8,8 +8,8 @@ class FeedbackPage extends StatefulWidget {
 
 class _FeedbackPageState extends State<FeedbackPage> {
   TextEditingController _commentController = TextEditingController();
-  double _rating = 0.0;
-  bool _alreadyRated = false;
+  double rating = 0.0;
+  bool alreadyRated = false;
 
   @override
   void initState() {
@@ -21,13 +21,13 @@ class _FeedbackPageState extends State<FeedbackPage> {
     SharedPreferences prefs = await SharedPreferences.getInstance();
     bool alreadyRated = prefs.getBool('already_rated') ?? false;
     setState(() {
-      _alreadyRated = alreadyRated;
+      alreadyRated = alreadyRated;
     });
   }
 
   void _submitFeedback() {
     // Submit the feedback to your backend service or database
-    String comment = _commentController.text;
+    // String comment = _commentController.text;
     // Store the feedback and rating
 
     // Update the alreadyRated flag
@@ -71,7 +71,7 @@ class _FeedbackPageState extends State<FeedbackPage> {
             RatingBar(
               onRatingChanged: (rating) {
                 setState(() {
-                  _rating = rating;
+                  rating = rating;
                 });
               },
             ),
@@ -118,4 +118,4 @@ class _RatingBarState extends State<RatingBar> {
       children: List.generate(5, (index) => _buildStar(index + 1)),
     );
   }
-}
+}

lib/screens/contact_us_screen.dart

@@ -39,6 +39,7 @@ class _ContactUsScreenState extends State<ContactUsScreen> {
         physics: AlwaysScrollableScrollPhysics(parent: BouncingScrollPhysics()),
         child: Consumer<UserInfoServices>(
           builder: (context, userInfo, _) {
+            // ignore: unused_local_variable
             Users user;
             if (userInfo.hasData) user = userInfo.user!;
             return Stack(alignment: Alignment.center, children: [

lib/screens/faqs_screen.dart

@@ -19,6 +19,7 @@ class FAQScreen extends StatelessWidget {
         physics: AlwaysScrollableScrollPhysics(parent: BouncingScrollPhysics()),
         child: Consumer<UserInfoServices>(
           builder: (context, userInfo, _) {
+            // ignore: unused_local_variable
             Users _user;
             if (userInfo.hasData) _user = userInfo.user!;
             return Stack(alignment: Alignment.center, children: [

lib/screens/help_screen.dart

@@ -21,6 +21,7 @@ class HelpScreen extends StatelessWidget {
         physics: AlwaysScrollableScrollPhysics(parent: BouncingScrollPhysics()),
         child: Consumer<UserInfoServices>(
           builder: (context, userInfo, _) {
+            // ignore: unused_local_variable
             Users _user;
             if (userInfo.hasData) _user = userInfo.user!;
             return Stack(alignment: Alignment.center, children: [

lib/screens/profile_screen.dart

@@ -127,6 +127,7 @@ class _ProfileScreenState extends State<ProfileScreen> {
         physics: AlwaysScrollableScrollPhysics(parent: BouncingScrollPhysics()),
         child: Consumer<UserInfoServices>(
           builder: (context, userInfo, _) {
+            // ignore: unused_local_variable
             Users _user;
             if (userInfo.hasData) _user = userInfo.user!;
             return Stack(

lib/screens/settings_screen.dart

@@ -24,22 +24,20 @@ class _SettingsScreenState extends State<SettingsScreen> {
   bool modeval = false;
 
   late bool? notification;
-  ThemeData? _currentTheme;
+  ThemeData? currentTheme;
 
   void _setTheme(ThemeData? theme) {
     if (theme != null) {
       setState(() {
-        _currentTheme = theme;
+        currentTheme = theme;
       });
     }
   }
 
   @override
   void initState() {
-    // TODO: implement initState
     checknotify();
-    _currentTheme =
-        ThemeMode.system == ThemeMode.light ? lightTheme : darkTheme;
+    currentTheme = ThemeMode.system == ThemeMode.light ? lightTheme : darkTheme;
     super.initState();
   }
 
@@ -86,6 +84,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
         physics: AlwaysScrollableScrollPhysics(parent: BouncingScrollPhysics()),
         child: Consumer<UserInfoServices>(
           builder: (context, userInfo, _) {
+            // ignore: unused_local_variable
             Users _user;
             if (userInfo.hasData) _user = userInfo.user!;
             return Stack(

lib/services/auth_error_msg_toast.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 
 void showErrToast(String errorMsg, FToast errToast) {
+  // ignore: unnecessary_null_comparison
   if (errorMsg == null) return;
   Widget toast = Container(
     padding: const EdgeInsets.symmetric(horizontal: 15.0, vertical: 10.0),

lib/services/authentication.dart

@@ -21,12 +21,12 @@ class AuthenticationService {
       return OnboardingPage();
     } else {
       return AuthHandlingWidget(
-      key: UniqueKey(),
-      name: _currUser.displayName ?? '',
-      email: _currUser.email?? '',
-    );
+        key: UniqueKey(),
+        name: _currUser.displayName ?? '',
+        email: _currUser.email ?? '',
+      );
+    }
   }
-}
 
   /// Handles Authentication Login
   static Future<String> handleLogin(
@@ -41,6 +41,7 @@ class AuthenticationService {
       final User? currentUser = auth.currentUser;
 
       if (user!.emailVerified) {
+        // ignore: unnecessary_null_comparison
         if ((user != null) &&
             (currentUser != null) &&
             (user.uid == currentUser.uid)) {
@@ -177,10 +178,7 @@ class AuthenticationService {
             .signOut(); // Without that, If User Sign-Up, then close and reopen the app, can navigate to the
         //bottom_navigation screen
 
-        Navigator.push(
-          context,
-          MaterialPageRoute(builder: (_) => LoginPage())
-        );
+        Navigator.push(context, MaterialPageRoute(builder: (_) => LoginPage()));
       } else {
         print("SignUp Error: Undefined Error!");
         errorMsg = "Undefined Error Occurred";
@@ -201,6 +199,7 @@ class AuthenticationService {
     final FirebaseAuth auth = FirebaseAuth.instance;
     User? _currUser = auth.currentUser;
     print("Signing Out: " + _currUser!.uid);
+    // ignore: unnecessary_null_comparison
     if (_currUser != null) {
       await auth.signOut();
       // Navigate to Onboarding Page

lib/services/chats_db.dart

@@ -48,8 +48,8 @@ Future<void> searchUsersByIdAndPerformActions(
       .get();
 
   if (snapshot.docs.isNotEmpty) {
-    DocumentSnapshot userSnapshot = snapshot.docs.first;
-    String userName = userSnapshot['name'];
+    // DocumentSnapshot userSnapshot = snapshot.docs.first;
+    // String userName = userSnapshot['name'];
 
     // Create a new group
     createGroup(groupId, userId).then((groupId) {

lib/services/phone_number_verification_db.dart

@@ -2,12 +2,13 @@ import 'package:firebase_auth/firebase_auth.dart';
 
 class PhoneNumberVerificationDb {
   final FirebaseAuth _auth = FirebaseAuth.instance;
-  
+
   var verificationCallback;
 
   PhoneNumberVerificationDb({required this.verificationCallback});
 
-  Future<void> verifyPhoneNumber(String phoneNumber, verifyCodeScreenCallback) async {
+  Future<void> verifyPhoneNumber(
+      String phoneNumber, verifyCodeScreenCallback) async {
     await _auth.verifyPhoneNumber(
       phoneNumber: phoneNumber,
       verificationCompleted: (PhoneAuthCredential credential) async {
@@ -18,10 +19,9 @@ class PhoneNumberVerificationDb {
       },
       codeSent: (String verificationId, int? resendToken) {
         print('Verification Code Sent to $phoneNumber');
-        // Call a function in VerifyCodeScreen to pass the verification ID
-        // and navigate to the VerifyCodeScreen.
-        codeSent: (String verificationId, int? resendToken) {
-           print('Verification Code Sent to $phoneNumber');
+        // ignore: unnecessary_statements
+        (String verificationId, int? resendToken) {
+          print('Verification Code Sent to $phoneNumber');
         };
       },
       codeAutoRetrievalTimeout: (String verificationId) {
@@ -41,7 +41,8 @@ class PhoneNumberVerificationDb {
 
   Future<void> _signInWithCredential(PhoneAuthCredential credential) async {
     try {
-      final UserCredential userCredential = await _auth.signInWithCredential(credential);
+      final UserCredential userCredential =
+          await _auth.signInWithCredential(credential);
       final User? user = userCredential.user;
       if (user != null) {
         print('Phone Number Verified: ${user.phoneNumber}');

lib/widgets/bottom_navigation.dart

@@ -18,7 +18,7 @@ class BottomNavigation extends StatefulWidget {
 
 class _BottomNavigationState extends State<BottomNavigation> {
   int selectedTab = 0;
-  late Widget _currentPage;
+  late Widget currentPage;
   late List<Widget> _pages;
   late HomeScreen _homeScreen;
   late HomeworkScreen _homeworkScreen;
@@ -40,7 +40,8 @@ class _BottomNavigationState extends State<BottomNavigation> {
   void initState() {
     super.initState();
     _homeScreen = HomeScreen(
-      openHomeworkPage: openHomeworkPage, openSettingsPage: () {  },
+      openHomeworkPage: openHomeworkPage,
+      openSettingsPage: () {},
     );
     _classesScreen = ClassesScreen();
     _homeworkScreen = HomeworkScreen();
@@ -55,13 +56,13 @@ class _BottomNavigationState extends State<BottomNavigation> {
       _profileScreen,
       _settingsScreen
     ];
-    _currentPage = _homeScreen;
+    currentPage = _homeScreen;
   }
 
   void openHomeworkPage() {
     setState(() {
       selectedTab = 2;
-      _currentPage = _pages[2];
+      currentPage = _pages[2];
     });
   }
 
@@ -91,7 +92,7 @@ class _BottomNavigationState extends State<BottomNavigation> {
             selectedTab: selectedTab,
             onPressed: (int idx) {
               _setCurrentPage(index: idx);
-              _currentPage = _pages[idx];
+              currentPage = _pages[idx];
               print(selectedTab);
               // _selectedTab = idx;
             },

lib/widgets/recents_homeworks.dart

@@ -104,7 +104,6 @@ class _RecentHomeworksState extends State<RecentHomeworks> {
         },
       );
     }
-      return Text('NULL');
   }
 
   _todoButton(Homework homework) {
@@ -117,7 +116,8 @@ class _RecentHomeworksState extends State<RecentHomeworks> {
       style: ElevatedButton.styleFrom(
         shape: CircleBorder(
           side: BorderSide(color: Theme.of(context).colorScheme.secondary),
-        ), backgroundColor: homework.isDone
+        ),
+        backgroundColor: homework.isDone
             ? Theme.of(context).colorScheme.secondary
             : Colors.transparent,
       ),

lib/widgets/signup_form_essential_details.dart

@@ -212,7 +212,8 @@ class _SignUpFormEssentialDetailsState
                   ElevatedButton(
                     style: ElevatedButton.styleFrom(
                       padding:
-                          EdgeInsets.symmetric(vertical: 13, horizontal: 20), backgroundColor: kAuthThemeColor,
+                          EdgeInsets.symmetric(vertical: 13, horizontal: 20),
+                      backgroundColor: kAuthThemeColor,
                       shape: RoundedRectangleBorder(
                         borderRadius: BorderRadiusDirectional.circular(30),
                       ),
@@ -226,7 +227,7 @@ class _SignUpFormEssentialDetailsState
                       ),
                     ),
                     onPressed: () async {
-                       if (_formKey.currentState?.validate() ?? false) {
+                      if (_formKey.currentState?.validate() ?? false) {
                         _formKey.currentState!.save();
                         print(
                             "Validated: Name: ${_name.text} \n email: ${_email.text}");
@@ -239,16 +240,16 @@ class _SignUpFormEssentialDetailsState
                         });
                         // Authenticate user
                         errorMsg = await AuthenticationService.handleSignUp(
-                            email: _email.text,
-                            name: _name.text,
-                            password: _pswd.text,
-                            context: context,
-                            );
+                          email: _email.text,
+                          name: _name.text,
+                          password: _pswd.text,
+                          context: context,
+                        );
                         setState(() {
                           isProcessing = false;
                           _formKey.currentState?.reset();
                           //show error msg
-                            errorMsg != null
+                          errorMsg != ""
                               ? showErrToast(errorMsg, errToast)
                               : print("User Authenticated");
                         });