Enable Null Safety

android/gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.2-all.zip

lib/animation/RotationRoute.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 class RotationRoute extends PageRouteBuilder {
   final Widget page;
 
-  RotationRoute({this.page})
+  RotationRoute({required this.page})
       : super(
           pageBuilder: (
             BuildContext context,

lib/animation/ScaleRoute.dart

@@ -3,7 +3,7 @@ import 'package:flutter/material.dart';
 class ScaleRoute extends PageRouteBuilder {
   final Widget page;
 
-  ScaleRoute({this.page})
+  ScaleRoute({required this.page})
       : super(
           pageBuilder: (
             BuildContext context,

lib/main.dart

@@ -1,9 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_app/pages/FoodDetailsPage.dart';
-import 'package:flutter_app/pages/FoodOrderPage.dart';
 import 'package:flutter_app/pages/HomePage.dart';
-import 'package:flutter_app/pages/SignInPage.dart';
-import 'package:flutter_app/pages/SignUpPage.dart';
 
 void main() => runApp(MaterialApp(
       debugShowCheckedModeBanner: false,

lib/pages/FoodDetailsPage.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_app/animation/ScaleRoute.dart';
 import 'package:flutter_app/pages/FoodOrderPage.dart';
-import 'package:flutter_app/widgets/FoodDetailsSlider.dart';
 
 class FoodDetailsPage extends StatefulWidget {
   @override
@@ -25,7 +25,7 @@ class _FoodDetailsPageState extends State<FoodDetailsPage> {
             ),
             onPressed: () => Navigator.of(context).pop(),
           ),
-          brightness: Brightness.light,
+          systemOverlayStyle: SystemUiOverlayStyle.light,
           actions: <Widget>[
             IconButton(
                 icon: Icon(
@@ -121,15 +121,15 @@ class _FoodDetailsPageState extends State<FoodDetailsPage> {
 }
 
 class FoodTitleWidget extends StatelessWidget {
-  String productName;
-  String productPrice;
-  String productHost;
+  final String productName;
+  final String productPrice;
+  final String productHost;
 
   FoodTitleWidget({
-    Key key,
-    @required this.productName,
-    @required this.productPrice,
-    @required this.productHost,
+    Key? key,
+    required this.productName,
+    required this.productPrice,
+    required this.productHost,
   }) : super(key: key);
 
   @override

lib/pages/FoodOrderPage.dart

@@ -1,5 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
+import 'package:flutter/services.dart';
 
 class FoodOrderPage extends StatefulWidget {
   @override
@@ -32,7 +32,7 @@ class _FoodOrderPageState extends State<FoodOrderPage> {
               textAlign: TextAlign.center,
             ),
           ),
-          brightness: Brightness.light,
+          systemOverlayStyle: SystemUiOverlayStyle.light,
           actions: <Widget>[
             CartIconWithBadge(),
           ],
@@ -303,17 +303,17 @@ class PromoCodeWidget extends StatelessWidget {
 }
 
 class CartItem extends StatelessWidget {
-  String productName;
-  String productPrice;
-  String productImage;
-  String productCartQuantity;
+  final String productName;
+  final String productPrice;
+  final String productImage;
+  final String productCartQuantity;
 
   CartItem({
-    Key key,
-    @required this.productName,
-    @required this.productPrice,
-    @required this.productImage,
-    @required this.productCartQuantity,
+    Key? key,
+    required this.productName,
+    required this.productPrice,
+    required this.productImage,
+    required this.productCartQuantity,
   }) : super(key: key);
 
   @override
@@ -420,7 +420,7 @@ class CartItem extends StatelessWidget {
 }
 
 class CartIconWithBadge extends StatelessWidget {
-  int counter = 3;
+  final int counter = 3;
 
   @override
   Widget build(BuildContext context) {
@@ -463,7 +463,7 @@ class CartIconWithBadge extends StatelessWidget {
 }
 
 class AddToCartMenu extends StatelessWidget {
-  int productCounter;
+  final int productCounter;
 
   AddToCartMenu(this.productCounter);
 

lib/pages/HomePage.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_app/animation/ScaleRoute.dart';
 import 'package:flutter_app/pages/SignInPage.dart';
 import 'package:flutter_app/widgets/BestFoodWidget.dart';
@@ -25,7 +26,7 @@ class _HomePageState extends State<HomePage> {
               fontSize: 16,
               fontWeight: FontWeight.w500),
         ),
-        brightness: Brightness.light,
+        systemOverlayStyle: SystemUiOverlayStyle.light,
         actions: <Widget>[
           IconButton(
               icon: Icon(

lib/pages/SignInPage.dart

@@ -1,7 +1,5 @@
 import 'package:flutter/material.dart';
-import 'package:flutter/rendering.dart';
 import 'package:flutter_app/animation/ScaleRoute.dart';
-import 'package:flutter_app/pages/FoodDetailsPage.dart';
 import 'package:flutter_app/pages/SignUpPage.dart';
 import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 

lib/widgets/BestFoodWidget.dart

@@ -45,21 +45,21 @@ class BestFoodTitle extends StatelessWidget {
 }
 
 class BestFoodTiles extends StatelessWidget {
-  String name;
-  String imageUrl;
-  String rating;
-  String numberOfRating;
-  String price;
-  String slug;
+  final String name;
+  final String imageUrl;
+  final String rating;
+  final String numberOfRating;
+  final String price;
+  final String slug;
 
   BestFoodTiles(
-      {Key key,
-      @required this.name,
-      @required this.imageUrl,
-      @required this.rating,
-      @required this.numberOfRating,
-      @required this.price,
-      @required this.slug})
+      {Key? key,
+      required this.name,
+      required this.imageUrl,
+      required this.rating,
+      required this.numberOfRating,
+      required this.price,
+      required this.slug})
       : super(key: key);
 
   @override

lib/widgets/BottomNavBarWidget.dart

@@ -22,31 +22,19 @@ class _BottomNavBarWidgetState extends State<BottomNavBarWidget> {
       items: const <BottomNavigationBarItem>[
         BottomNavigationBarItem(
           icon: Icon(Icons.home),
-          title: Text(
-            'Home',
-            style: TextStyle(color: Color(0xFF2c2b2b)),
-          ),
+          label: 'Home',
         ),
         BottomNavigationBarItem(
           icon: Icon(Icons.near_me),
-          title: Text(
-            'Near By',
-            style: TextStyle(color: Color(0xFF2c2b2b)),
-          ),
+          label: 'Near By',
         ),
         BottomNavigationBarItem(
           icon: Icon(Icons.card_giftcard),
-          title: Text(
-            'Cart',
-            style: TextStyle(color: Color(0xFF2c2b2b)),
-          ),
+          label: 'Cart',
         ),
         BottomNavigationBarItem(
           icon: Icon(FontAwesomeIcons.user),
-          title: Text(
-            'Account',
-            style: TextStyle(color: Color(0xFF2c2b2b)),
-          ),
+          label: 'Account',
         ),
       ],
       currentIndex: _selectedIndex,

lib/widgets/FoodDetailsSlider.dart

@@ -1,49 +1,40 @@
-import 'package:carousel_pro/carousel_pro.dart';
+import 'package:another_carousel_pro/another_carousel_pro.dart';
 import 'package:flutter/material.dart';
 
 class FoodDetailsSlider extends StatelessWidget {
-  String slideImage1;
-  String slideImage2;
-  String slideImage3;
+  final String slideImage1;
+  final String slideImage2;
+  final String slideImage3;
 
   FoodDetailsSlider(
-      {Key key,
-      @required this.slideImage1,
-      @required this.slideImage2,
-      @required this.slideImage3})
+      {Key? key,
+      required this.slideImage1,
+      required this.slideImage2,
+      required this.slideImage3})
       : super(key: key);
 
   @override
   Widget build(BuildContext context) {
     return Padding(
       padding: EdgeInsets.only(left: 10, right: 10),
       child: Container(
-          child: Carousel(
-            images: [
-              Image.asset(
-                slideImage1,
-              ),
-              /* Image.asset(
-                slideImage2,
-                height: double.infinity,
-                width: double.infinity,
-              ),
-              Image.asset(
-                slideImage3,
-                height: double.infinity,
-                width: double.infinity,
-              ),*/
-            ],
-            dotSize: 4.0,
-            dotSpacing: 15.0,
-            dotColor: Colors.purple,
-            indicatorBgPadding: 5.0,
-            dotBgColor: Colors.black54.withOpacity(0),
-            borderRadius: true,
-            radius: Radius.circular(20),
-            moveIndicatorFromBottom: 180.0,
-            noRadiusForIndicator: true,
-          )),
+          child: AnotherCarousel(
+        images: [
+          Image.asset(slideImage1),
+          // Uncomment and include these if you have more images
+          // Image.asset(slideImage2),
+          // Image.asset(slideImage3),
+        ],
+        dotSize: 4.0,
+        dotSpacing: 15.0,
+        dotColor: Colors.purple,
+        indicatorBgPadding: 5.0,
+        dotBgColor: Colors.black54.withOpacity(0),
+        borderRadius: true,
+        radius: const Radius.circular(20),
+        moveIndicatorFromBottom: 180.0,
+        noRadiusForIndicator: true,
+      )),
     );
   }
 }

lib/widgets/PopularFoodsWidget.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:flutter_app/animation/RotationRoute.dart';
 import 'package:flutter_app/animation/ScaleRoute.dart';
 import 'package:flutter_app/pages/FoodDetailsPage.dart';
 
@@ -27,21 +26,21 @@ class _PopularFoodsWidgetState extends State<PopularFoodsWidget> {
 }
 
 class PopularFoodTiles extends StatelessWidget {
-  String name;
-  String imageUrl;
-  String rating;
-  String numberOfRating;
-  String price;
-  String slug;
+  final String name;
+  final String imageUrl;
+  final String rating;
+  final String numberOfRating;
+  final String price;
+  final String slug;
 
   PopularFoodTiles(
-      {Key key,
-      @required this.name,
-      @required this.imageUrl,
-      @required this.rating,
-      @required this.numberOfRating,
-      @required this.price,
-      @required this.slug})
+      {Key? key,
+      required this.name,
+      required this.imageUrl,
+      required this.rating,
+      required this.numberOfRating,
+      required this.price,
+      required this.slug})
       : super(key: key);
 
   @override