CAKE-219 | changed buttons color for dark mode on send and wallet list pages; change button text color on send template page

lib/src/screens/send/send_page.dart

@@ -496,14 +496,8 @@ class SendPage extends BasePage {
                       }
                     },
                     text: S.of(context).send,
-                    color: Theme.of(context)
-                        .accentTextTheme
-                        .subtitle
-                        .decorationColor,
-                    textColor: Theme.of(context)
-                        .accentTextTheme
-                        .headline
-                        .decorationColor,
+                    color: Theme.of(context).accentTextTheme.body2.color,
+                    textColor: Colors.white,
                     isLoading: sendViewModel.state is IsExecutingState ||
                         sendViewModel.state is TransactionCommitting,
                     isDisabled:

lib/src/screens/send/send_template_page.dart

@@ -246,8 +246,7 @@ class SendTemplatePage extends BasePage {
               },
               text: S.of(context).save,
               color: Colors.green,
-              textColor:
-                  Theme.of(context).accentTextTheme.headline.decorationColor,
+              textColor: Colors.white,
             ),
           ),
         ));

lib/src/screens/wallet_list/wallet_list_page.dart

@@ -1,5 +1,4 @@
 import 'package:cake_wallet/src/screens/auth/auth_page.dart';
-import 'package:cake_wallet/src/screens/wallet_list/widgets/wallet_menu_alert.dart';
 import 'package:cake_wallet/src/widgets/alert_with_two_actions.dart';
 import 'package:cake_wallet/utils/show_bar.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
@@ -15,7 +14,6 @@ import 'package:cake_wallet/view_model/wallet_list/wallet_list_view_model.dart';
 import 'package:cake_wallet/src/widgets/primary_button.dart';
 import 'package:cake_wallet/src/screens/base_page.dart';
 import 'package:cake_wallet/src/widgets/scollable_with_bottom_section.dart';
-import 'package:cake_wallet/src/screens/wallet_list/wallet_menu.dart';
 import 'package:flutter_slidable/flutter_slidable.dart';
 
 class WalletListPage extends BasePage {
@@ -51,7 +49,7 @@ class WalletListBodyState extends State<WalletListBody> {
     final newWalletImage = Image.asset('assets/images/new_wallet.png',
         height: 12,
         width: 12,
-        color: Theme.of(context).accentTextTheme.headline.decorationColor);
+        color: Colors.white);
     final restoreWalletImage = Image.asset('assets/images/restore_wallet.png',
         height: 12,
         width: 12,
@@ -168,9 +166,8 @@ class WalletListBodyState extends State<WalletListBody> {
               onPressed: () => _generateNewWallet(),
               image: newWalletImage,
               text: S.of(context).wallet_list_create_new_wallet,
-              color: Theme.of(context).accentTextTheme.subtitle.decorationColor,
-              textColor:
-                  Theme.of(context).accentTextTheme.headline.decorationColor,
+              color: Theme.of(context).accentTextTheme.body2.color,
+              textColor: Colors.white,
             ),
             SizedBox(height: 10.0),
             PrimaryImageButton(