updated new flutter version

lib/widgets/general/add_remove_button.dart

@@ -22,6 +22,7 @@ class AddRemoveButton extends StatefulWidget {
   final bool addOnly;
   final int cartLineItemIndex;
   final bool addToBasket;
+  final bool onHovor;
 
   AddRemoveButton({
     this.product,
@@ -29,6 +30,7 @@ class AddRemoveButton extends StatefulWidget {
     this.addOnly = false,
     this.cartLineItemIndex = -1,
     this.addToBasket = false,
+    this.onHovor = false,
   });
 
   @override
@@ -72,7 +74,7 @@ class AddRemoveButtonState extends State<AddRemoveButton> {
       return Container(
         padding: EdgeInsets.only(top: 5.0, bottom: 5.0, left: 32.0, right: 32.0),
         child: Text(
-          'x$_qty'
+            'x$_qty'
         ),
       );
     }
@@ -121,13 +123,16 @@ class AddRemoveButtonState extends State<AddRemoveButton> {
           padding: EdgeInsets.all(10),
           position: BadgePosition.topEnd(top: -15, end: -10),
           badgeColor: Colors.lightBlueAccent,
-          child: RaisedButton.icon(
-            padding: EdgeInsets.only(left: 32, right: 32, top: 20, bottom: 20),
-            elevation: 2.0,
-            shape: new RoundedRectangleBorder(
-              borderRadius: new BorderRadius.circular(10.0),
+          child: ElevatedButton.icon(
+            style: ElevatedButton.styleFrom(
+              primary: Colors.redAccent,
+              onPrimary: Colors.white,
+              padding: EdgeInsets.only(left: 32, right: 32, top: 20, bottom: 20),
+              elevation: 2.0,
+              shape: new RoundedRectangleBorder(
+                borderRadius: new BorderRadius.circular(10.0),
+              ),
             ),
-            color: Colors.redAccent,
             icon: Icon(
               Icons.shopping_basket_outlined,
               size: 32.0,
@@ -147,13 +152,15 @@ class AddRemoveButtonState extends State<AddRemoveButton> {
           ),
         );
       } else {
-        return RaisedButton.icon(
-          padding: EdgeInsets.only(left: 32, right: 32, top: 20, bottom: 20),
-          elevation: 2.0,
-          shape: new RoundedRectangleBorder(
-            borderRadius: new BorderRadius.circular(10.0),
+        return ElevatedButton.icon(
+          style: ElevatedButton.styleFrom(
+            primary: Colors.redAccent,
+            padding: EdgeInsets.only(left: 32, right: 32, top: 20, bottom: 20),
+            elevation: 2.0,
+            shape: new RoundedRectangleBorder(
+              borderRadius: new BorderRadius.circular(10.0),
+            ),
           ),
-          color: Colors.redAccent,
           icon: Icon(
             Icons.shopping_basket_outlined,
             size: 32.0,
@@ -172,7 +179,7 @@ class AddRemoveButtonState extends State<AddRemoveButton> {
           },
         );
       }
-    }else if (widget.addOnly) {
+    } else if (widget.addOnly) {
       return Container(
         key: startKey,
         padding: EdgeInsets.all(0.0),
@@ -235,6 +242,9 @@ class AddRemoveButtonState extends State<AddRemoveButton> {
           ],
         );
       } else {
+        if (!widget.onHovor && _qty == 0) {
+          return SizedBox.shrink();
+        }
         return new Row(
           key: startKey,
           crossAxisAlignment: CrossAxisAlignment.end,
@@ -337,28 +347,28 @@ class AddRemoveButtonState extends State<AddRemoveButton> {
     if (widget.cartLineItemIndex != -1) {
       if (cartInfo.productList[widget.cartLineItemIndex].quantity <= 1) {
         showDialog(
-          context: context,
-          builder: (BuildContext context) {
-            return AlertDialog(
-              title: Text(S.of(context).warning),
-              content: Text(S.of(context).are_you_sure_to_remove_the_item),
-              actions: <Widget>[
-                FlatButton(
-                  child: Text(S.of(context).cancel),
-                  onPressed: () {
-                    Navigator.of(context).pop();
-                  },
-                ),
-                FlatButton(
-                  child: Text(S.of(context).yes_i_am_sure),
-                  onPressed: () {
-                    _removeCartLineItem();
-                    Navigator.of(context).pop();
-                  },
-                ),
-              ],
-            );
-          }
+            context: context,
+            builder: (BuildContext context) {
+              return AlertDialog(
+                title: Text(S.of(context).warning),
+                content: Text(S.of(context).are_you_sure_to_remove_the_item),
+                actions: <Widget>[
+                  TextButton(
+                    child: Text(S.of(context).cancel),
+                    onPressed: () {
+                      Navigator.of(context).maybePop();
+                    },
+                  ),
+                  TextButton(
+                    child: Text(S.of(context).yes_i_am_sure),
+                    onPressed: () {
+                      _removeCartLineItem();
+                      Navigator.of(context).maybePop();
+                    },
+                  ),
+                ],
+              );
+            }
         );
       } else {
         _removeCartLineItem();

lib/widgets/general/download_item.dart

@@ -1,14 +1,13 @@
 
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import '../../widgets/general/text_link.dart';
 import 'package:url_launcher/url_launcher.dart';
-import '../../generated/l10n.dart';
-import '../../utils/utils.dart';
-import '../../utils/extensions.dart';
-import 'package:universal_io/io.dart';
+
 import '../../constants.dart';
+import '../../generated/l10n.dart';
+import '../../utils/extensions.dart';
 import '../../utils/util_web.dart' if (dart.library.io) '../../utils/util_io.dart';
+import '../../utils/utils.dart';
 
 class DownloadItem extends StatefulWidget {
   final dynamic desc;
@@ -242,9 +241,11 @@ class DownloadItemState extends State<DownloadItem> {
         ),
       );
     } else if (downloadUrl != null && downloadUrl.isNotEmpty) {
-      return RaisedButton(
-        color: Theme.of(context).primaryColor,
-        padding: EdgeInsets.all(8.0),
+      return ElevatedButton(
+        style: ElevatedButton.styleFrom(
+          primary: Theme.of(context).primaryColor,
+          padding: EdgeInsets.all(8)
+        ),
         child: Row(
           crossAxisAlignment: CrossAxisAlignment.center,
           mainAxisAlignment: MainAxisAlignment.center,

lib/widgets/general/payment_verification_code_dialog.dart

@@ -95,7 +95,7 @@ class PaymentVerificationCodeDialogState extends State<PaymentVerificationCodeDi
                           title: Text(S.of(context).error),
                           content: Text(S.of(context).wrong_payment_verification_code),
                           actions: [
-                            FlatButton(
+                            TextButton(
                               child: Text(S.of(context).ok),
                               onPressed: () {
                                 _pinPutController.clear();
@@ -124,7 +124,7 @@ class PaymentVerificationCodeDialogState extends State<PaymentVerificationCodeDi
         ],
       ),
       actions: [
-        FlatButton(
+        TextButton(
           child: Text(S.of(context).close),
           onPressed: () {
             Navigator.of(context).pop();

lib/widgets/general/sliding_up_panel.dart

@@ -215,7 +215,7 @@ class _SlidingUpPanelState extends State<SlidingUpPanel> with SingleTickerProvid
 
   ScrollController _sc;
   bool _scrollingEnabled = false;
-  VelocityTracker _vt = new VelocityTracker();
+  VelocityTracker _vt = VelocityTracker.withKind(PointerDeviceKind.touch);
 
   bool _isPanelVisible = true;
 
@@ -312,7 +312,7 @@ class _SlidingUpPanelState extends State<SlidingUpPanel> with SingleTickerProvid
               );
             },
             child: Stack(
-              overflow: Overflow.visible,
+              clipBehavior: Clip.none,
               children: <Widget>[
 
                 //open panel