Disable Cake Pay Mobile (#994)

* Remove navigation to ionia

* Hide 'introducing cake pay' card

lib/src/screens/dashboard/widgets/balance_page.dart

@@ -1,6 +1,7 @@
 import 'package:cake_wallet/src/screens/exchange_trade/information_page.dart';
 import 'package:cake_wallet/store/settings_store.dart';
 import 'package:cake_wallet/themes/theme_base.dart';
+import 'package:cake_wallet/utils/feature_flag.dart';
 import 'package:cake_wallet/utils/responsive_layout_util.dart';
 import 'package:cake_wallet/utils/show_pop_up.dart';
 import 'package:flutter/material.dart';
@@ -43,7 +44,7 @@ class BalancePage extends StatelessWidget {
                     textAlign: TextAlign.center);
               })),
           Observer(builder: (_) {
-            if (dashboardViewModel.balanceViewModel.isShowCard) {
+            if (dashboardViewModel.balanceViewModel.isShowCard && FeatureFlag.isCakePayEnabled) {
               return IntroducingCard(
                   title: S.of(context).introducing_cake_pay,
                   subTitle: S.of(context).cake_pay_learn_more,

lib/src/screens/dashboard/widgets/market_place_page.dart

@@ -52,7 +52,10 @@ class MarketPlacePage extends StatelessWidget {
                   children: <Widget>[
                     SizedBox(height: 20),
                     DashBoardRoundedCardWidget(
-                      onTap: () => _navigatorToGiftCardsPage(context),
+                      onTap: () => launchUrl(
+                        Uri.parse("https://cakelabs.com/news/cake-pay-mobile-to-shut-down/"),
+                        mode: LaunchMode.externalApplication,
+                      ),
                       title: S.of(context).cake_pay_title,
                       subTitle: S.of(context).cake_pay_subtitle,
                     ),
@@ -75,6 +78,7 @@ class MarketPlacePage extends StatelessWidget {
     );
   }
 
+  // TODO: Remove ionia flow/files if we will discard it
   void _navigatorToGiftCardsPage(BuildContext context) {
     final walletType = dashboardViewModel.type;
 

lib/utils/feature_flag.dart

@@ -0,0 +1,3 @@
+class FeatureFlag {
+  static const bool isCakePayEnabled = false;
+}