sol

lib/main.dart

@@ -70,10 +70,17 @@ class Home extends StatelessWidget {
 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 
 class Add extends StatelessWidget {
-  const Add({Key? key}) : super(key: key);
+  Add({Key? key}) : super(key: key);
+
+  static TextEditingController imageController = TextEditingController();
+  static TextEditingController descriptionController = TextEditingController();
+  static TextEditingController nameController = TextEditingController();
+  static TextEditingController authController = TextEditingController();
+  static TextEditingController priceController = TextEditingController();
 
   @override
   Widget build(BuildContext context) {
+
     return MaterialApp(
       home:Scaffold(
         appBar: AppBar(
@@ -90,16 +97,16 @@ class Add extends StatelessWidget {
           padding: const EdgeInsets.symmetric(vertical: 8, horizontal: 10),
           child: Column(
             mainAxisAlignment: MainAxisAlignment.spaceEvenly,
-            children: const [
-            BackBar(),
-              AddBook(),
-              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Book Name', suffixIcon: null),
-              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Author Name', suffixIcon: null),
-              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Price', suffixIcon: null),
-              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Image Link', suffixIcon: null),
-              MyTextField(myWidth: 320, myHeight: 140, lines: 5, hint: 'Description', suffixIcon: null),
-              AddButton(),
-              SizedBox(height: 50,)
+            children: [
+            const BackBar(),
+              const AddBook(),
+              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Book Name', suffixIcon: null, myController: nameController),
+              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Author Name', suffixIcon: null, myController: authController),
+              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Price', suffixIcon: null, myController: priceController),
+              MyTextField(myWidth: 320, myHeight: 50, lines: 1, hint: 'Image Link', suffixIcon: null, myController: imageController),
+              MyTextField(myWidth: 320, myHeight: 140, lines: 5, hint: 'Description', suffixIcon: null, myController: descriptionController),
+              const AddButton(),
+              const SizedBox(height: 50,)
             ],
           ),
         )
@@ -149,34 +156,25 @@ class Cart extends StatelessWidget {
                         height: 622,
                         child: Expanded(
                           child: ListView(
-                              children: MyBooks.book.map((e) => TextButton(
-                                onPressed: () {
-                                  Navigator.push(context, MaterialPageRoute(builder: (context) => BookDetails(myBook: e,)));
-                                },
-
-                                style: TextButton.styleFrom(
-                                    padding: EdgeInsets.zero
-                                ),
-                                child: Padding(
-                                  padding: const EdgeInsets.symmetric(vertical: 8),
-                                  child: Row(
-                                    children: [
-                                      Padding(
-                                        padding: const EdgeInsets.only(right: 35),
-                                        child: Image.network(e.imageLink,
-                                          width: 80, height: 130,),
-                                      ),
-                                      Column(
-                                        crossAxisAlignment: CrossAxisAlignment.start,
-                                        children: [
-                                          Text(e.bookName, style: const TextStyle(color: Colors.black, fontSize: 16, fontWeight: FontWeight.bold),),
-                                          Text(e.bookAuth, style: const TextStyle(color: Colors.black87, fontSize: 12,height: 2),),
-                                          Text(e.price, style: const TextStyle(color: Colors.black, fontSize: 20,height: 2),),
-                                          const Stars(),
-                                        ],
-                                      )
-                                    ],
-                                  ),
+                              children: MyBooks.book.where((element) => element.condition.value == true).map((e) => Padding(
+                                padding: const EdgeInsets.symmetric(vertical: 8),
+                                child: Row(
+                                  children: [
+                                    Padding(
+                                      padding: const EdgeInsets.only(right: 35),
+                                      child: Image.network(e.imageLink,
+                                        width: 80, height: 130,),
+                                    ),
+                                    Column(
+                                      crossAxisAlignment: CrossAxisAlignment.start,
+                                      children: [
+                                        Text(e.bookName, style: const TextStyle(color: Colors.black, fontSize: 16, fontWeight: FontWeight.bold),),
+                                        Text(e.bookAuth, style: const TextStyle(color: Colors.black87, fontSize: 12,height: 2),),
+                                        Text(e.price, style: const TextStyle(color: Colors.black, fontSize: 20,height: 2),),
+                                        const Stars(),
+                                      ],
+                                    )
+                                  ],
                                 ),
                               ),).toList()
                           ),

lib/modules.dart

@@ -25,6 +25,10 @@ class MyBooks {
     MyBooks(imageLink: 'https://i.harperapps.com/hcanz/covers/9780008563790/x293.jpg', bookName: 'fire and blood8', bookAuth: 'George RR Martin', price: r'$49.99', description: 'good book\ngood book\ngood book\n'),
   ];
 
+  buy(){
+    condition.value = true;
+  }
+
 }
 
 class Navigation {

lib/my_text_field.dart

@@ -4,14 +4,14 @@ import 'package:get/get.dart';
 
 class MyTextField extends StatelessWidget {
 
-  static TextEditingController myController = TextEditingController();///
+  final TextEditingController? myController;///
   final double? myWidth;
   final double? myHeight;
-  final int lines ;
+  final int lines;
   final String hint;
   final IconData? suffixIcon;
   const MyTextField({
-    Key? key,required this.myWidth, required this.myHeight, required this.lines, required this.hint, required this.suffixIcon,
+    Key? key,required this.myWidth, required this.myHeight, required this.lines, required this.hint, required this.suffixIcon, required this.myController,
   }) : super(key: key);
 
   @override

lib/page_1/card_2.dart

@@ -11,7 +11,7 @@ class Card2 extends StatelessWidget {
   Widget build(BuildContext context) {
     return Padding(
       padding: EdgeInsets.symmetric(vertical: 20),
-      child: MyTextField(myWidth: double.maxFinite, myHeight: 50, lines: 1, hint: 'Search...', suffixIcon: Icons.search_rounded, ),
+      child: MyTextField(myWidth: double.maxFinite, myHeight: 50, lines: 1, hint: 'Search...', suffixIcon: Icons.search_rounded, myController: null, ),
     );
   }
 }

lib/page_1/card_4.dart

@@ -8,7 +8,6 @@ import 'package:get/get.dart';
 
 class Card4 extends StatelessWidget {
 
-  static RxString search = MyTextField.myController.text.obs;///
   const Card4({
     Key? key,
   }) : super(key: key);
@@ -22,10 +21,10 @@ class Card4 extends StatelessWidget {
       child: Expanded(
         child: ListView(
             children: MyBooks.book.map((e) => TextButton(
-              onPressed: () {
+              onPressed: (){
+                e.buy();
                 Navigator.push(context, MaterialPageRoute(builder: (context) => BookDetails(myBook: e,)));
               },
-
               style: TextButton.styleFrom(
                   padding: EdgeInsets.zero
               ),

lib/page_1/card_5.dart

@@ -28,7 +28,7 @@ class Card5 extends StatelessWidget {
                 onPressed: (){
                   if(e.icon == Icons.add){
                     MyBooks.selectedIcon.value = Icons.add;
-                    Navigator.push(context, MaterialPageRoute(builder: (context) => const Add()));
+                    Navigator.push(context, MaterialPageRoute(builder: (context) => Add()));
                   }else if(e.icon == Icons.shopping_cart){
                     MyBooks.selectedIcon.value = Icons.shopping_cart;
                     Navigator.push(context, MaterialPageRoute(builder: (context) => const Cart()));

lib/page_3/card_3.dart

@@ -1,4 +1,6 @@
 
+import 'package:book_store_app/main.dart';
+import 'package:book_store_app/modules.dart';
 import 'package:flutter/material.dart';
 
 class AddButton extends StatelessWidget {
@@ -9,7 +11,10 @@ class AddButton extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return TextButton(
-      onPressed: (){},
+      onPressed: (){
+        MyBooks.book.add(MyBooks(imageLink: Add.imageController.text, bookName: Add.nameController.text,
+            bookAuth: Add.authController.text, price: Add.priceController.text, description: Add.descriptionController.text));
+      },
       style: TextButton.styleFrom(
           padding: EdgeInsets.zero
       ),