@@ -17,6 +17,7 @@ class CartPage extends StatefulWidget {
1717class _CartPageState extends State <CartPage > {
1818 List <dynamic > cartItems = [];
1919 List <int > cartItemCount = [1 , 1 , 1 , 1 ];
20+ int totalPrice = 0 ;
2021
2122 Future <void > fetchItems () async {
2223 final String response = await rootBundle.loadString ('assets/products.json' );
@@ -25,6 +26,14 @@ class _CartPageState extends State<CartPage> {
2526 setState (() {
2627 cartItems = data['products' ]
2728 .map ((data) => Product .fromJson (data)).toList ();
29+ 30+ sumTotal ();
31+ });
32+ }
33+ 34+ sumTotal () {
35+ cartItems.forEach ((item) {
36+ totalPrice = item.price + totalPrice;
2837 });
2938 }
3039
@@ -85,7 +94,7 @@ class _CartPageState extends State<CartPage> {
8594 mainAxisAlignment: MainAxisAlignment .spaceBetween,
8695 children: < Widget > [
8796 Text ('Total' , style: TextStyle (fontSize: 20 )),
88- Text ('\$ 200 ' , style: TextStyle (fontSize: 20 , fontWeight: FontWeight .bold))
97+ Text ('\$ ${ totalPrice + 5.99 } ' , style: TextStyle (fontSize: 20 , fontWeight: FontWeight .bold))
8998 ],
9099 ),
91100 )),
@@ -180,6 +189,7 @@ class _CartPageState extends State<CartPage> {
180189 setState (() {
181190 if (cartItemCount[index] > 1 ) {
182191 cartItemCount[index]-- ;
192+ totalPrice = totalPrice - product.price;
183193 }
184194 });
185195 },
@@ -194,6 +204,7 @@ class _CartPageState extends State<CartPage> {
194204 onPressed: () {
195205 setState (() {
196206 cartItemCount[index]++ ;
207+ totalPrice = totalPrice + product.price;
197208 });
198209 },
199210 shape: CircleBorder (),
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