final

lib/widgets/mobile/mobile_coupons.dart

@@ -14,8 +14,7 @@ import '../../utils/utils.dart';
 
 class MobileCoupons extends StatefulWidget {
   final int contactId;
-  final Key key;
-  const MobileCoupons(this.contactId, {this.key});
+  const MobileCoupons(this.contactId, {Key? key});
 
   @override
   State<StatefulWidget> createState() {
@@ -24,7 +23,7 @@ class MobileCoupons extends StatefulWidget {
 }
 
 class MobileCouponsState extends State<MobileCoupons> {
-  List<Coupon> coupons;
+  List<Coupon>? coupons;
 
   @override
   Widget build(BuildContext context) {
@@ -54,10 +53,10 @@ class MobileCouponsState extends State<MobileCoupons> {
         ),
       ),
       body: ListView.builder(
-        itemCount: coupons.length > 0 ? coupons.length : 1,
+        itemCount: coupons!.length > 0 ? coupons!.length : 1,
         itemBuilder: (BuildContext context, int position) {
-          if (coupons.length > 0) {
-            Coupon coupon = coupons[position];
+          if (coupons!.length > 0) {
+            Coupon coupon = coupons![position];
             return Container(
               color: Colors.black12,
               child: couponWidget(coupon),
@@ -97,7 +96,7 @@ class MobileCouponsState extends State<MobileCoupons> {
                 Container(
                   padding: EdgeInsets.only(right: 5.0),
                   child: coupon.store != null ?
-                  Util.showImage('${coupon.store.picUrl}',
+                  Util.showImage('${coupon.store?.picUrl}',
                     fit: BoxFit.fill,
                     width: 40.0,
                   ) :
@@ -114,7 +113,7 @@ class MobileCouponsState extends State<MobileCoupons> {
                     crossAxisAlignment: CrossAxisAlignment.start,
                     children: <Widget>[
                       Text(
-                        coupon.store != null ? coupon.store.name : S.of(context).general_coupon,
+                        coupon.store != null ? coupon.store!.name : S.of(context).general_coupon,
                         style: TextStyle(
                           fontSize: 20.0,
                           fontWeight: FontWeight.bold,
@@ -248,7 +247,7 @@ class MobileCouponsState extends State<MobileCoupons> {
           Container(
             child: ElevatedButton(
               style: ElevatedButton.styleFrom(
-                primary: Theme.of(context).primaryColor,
+                backgroundColor: Theme.of(context).primaryColor,
                 shape: RoundedRectangleBorder(
                   borderRadius: BorderRadius.circular(20),
                 ),
@@ -261,7 +260,7 @@ class MobileCouponsState extends State<MobileCoupons> {
               ),
               onPressed: () {
                 if (coupon.store != null) {
-                  Routes.router.navigateTo(context, '/shop/${coupon.store.id}/na/na/na');
+                  Routes.router.navigateTo(context, '/shop/${coupon.store?.id}/na/na/na');
                 } else {
                   Routes.router.navigateTo(context, '/businesses');
                 }