Update Branch to null safety

Add deep linking to iOS

android/app/src/main/AndroidManifestBase.xml

@@ -38,7 +38,7 @@
                     android:scheme="cakewallet"
                     android:host="y.at" />
             </intent-filter>
-            <!-- bitcoin qr code scheme -->
+            <!-- currencies qr code scheme -->
             <intent-filter android:autoVerify="true">
                 <action android:name="android.intent.action.VIEW" />
                 <category android:name="android.intent.category.DEFAULT" />

ios/Runner/InfoBase.plist

@@ -32,6 +32,36 @@
                 <string>cakewallet</string>
             </array>
         </dict>
+        <dict>
+            <key>CFBundleTypeRole</key>
+            <string>Editor</string>
+            <key>CFBundleURLName</key>
+            <string>bitcoin</string>
+            <key>CFBundleURLSchemes</key>
+            <array>
+                <string>bitcoin</string>
+            </array>
+        </dict>
+        <dict>
+            <key>CFBundleTypeRole</key>
+            <string>Editor</string>
+            <key>CFBundleURLName</key>
+            <string>monero</string>
+            <key>CFBundleURLSchemes</key>
+            <array>
+                <string>monero</string>
+            </array>
+        </dict>
+        <dict>
+            <key>CFBundleTypeRole</key>
+            <string>Editor</string>
+            <key>CFBundleURLName</key>
+            <string>litecoin</string>
+            <key>CFBundleURLSchemes</key>
+            <array>
+                <string>litecoin</string>
+            </array>
+        </dict>
     </array>
 	<key>CFBundleVersion</key>
 	<string>$(CURRENT_PROJECT_VERSION)</string>

lib/di.dart

@@ -377,8 +377,8 @@ Future setup(
       getIt.get<BalanceViewModel>(),
       _transactionDescriptionBox));
 
-  getIt.registerFactoryParam<SendPage, PaymentRequest, void>(
-      (PaymentRequest initialPaymentRequest, _) => SendPage(
+  getIt.registerFactoryParam<SendPage, PaymentRequest?, void>(
+      (PaymentRequest? initialPaymentRequest, _) => SendPage(
         sendViewModel: getIt.get<SendViewModel>(),
         settingsViewModel: getIt.get<SettingsViewModel>(),
         initialPaymentRequest: initialPaymentRequest,

lib/main.dart

@@ -39,6 +39,8 @@ import 'package:cw_core/unspent_coins_info.dart';
 import 'package:cake_wallet/monero/monero.dart';
 import 'package:cake_wallet/wallet_type_utils.dart';
 
+import 'src/screens/auth/auth_page.dart';
+
 final navigatorKey = GlobalKey<NavigatorState>();
 final rootKey = GlobalKey<RootState>();
 
@@ -213,15 +215,15 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
     super.dispose();
   }
 
-  /// handle app links while the app is already started - be it in
-  /// the foreground or in the background.
+  /// handle app links while the app is already started
+  /// whether its in the foreground or in the background.
   Future<void> initUniLinks() async {
     try {
-      stream = getUriLinksStream().listen((Uri uri) {
+      stream = uriLinkStream.listen((Uri? uri) {
         handleDeepLinking(uri);
       });
 
-      final Uri initialUri = await getInitialUri();
+      final Uri? initialUri = await getInitialUri();
 
       handleDeepLinking(initialUri);
     } catch (e) {
@@ -229,14 +231,21 @@ class AppState extends State<App> with SingleTickerProviderStateMixin {
     }
   }
 
-  void handleDeepLinking(Uri uri) {
+  void handleDeepLinking(Uri? uri) {
     if (uri == null || !mounted) return;
 
-    Navigator.pushNamed(
-      navigatorKey.currentContext,
-      Routes.send,
-      arguments: PaymentRequest.fromUri(uri),
-    );
+    Navigator.of(navigatorKey.currentContext!).pushNamed(Routes.auth,
+        arguments: (bool isAuthenticatedSuccessfully, AuthPageState auth) {
+          if (isAuthenticatedSuccessfully) {
+            auth.close(route: Routes.send, arguments: PaymentRequest.fromUri(uri));
+          }
+        });
+
+    // Navigator.pushNamed(
+    //   navigatorKey.currentContext!,
+    //   Routes.send,
+    //   arguments: PaymentRequest.fromUri(uri),
+    // );
   }
 
   Future<void> _handleInitialUri() async {

lib/router.dart

@@ -210,7 +210,7 @@ Route<dynamic> createRoute(RouteSettings settings) {
           builder: (_) => getIt.get<DashboardPage>());
 
     case Routes.send:
-      final initialPaymentRequest = settings.arguments as PaymentRequest;
+      final initialPaymentRequest = settings.arguments as PaymentRequest?;
 
       return CupertinoPageRoute<void>(
         fullscreenDialog: true, builder: (_) => getIt.get<SendPage>(

lib/src/screens/send/widgets/send_card.dart

@@ -1,4 +1,3 @@
-import 'dart:ui';
 import 'package:cake_wallet/src/widgets/alert_with_one_action.dart';
 import 'package:cake_wallet/utils/payment_request.dart';
 import 'package:cw_core/transaction_priority.dart';
@@ -44,7 +43,7 @@ class SendCardState extends State<SendCard>
     required this.output,
     required this.sendViewModel,
     this.initialPaymentRequest})
-      : addressController = TextEditingController(text: initialPaymentRequest?.address?.toLowerCase()),
+      : addressController = TextEditingController(text: initialPaymentRequest?.address.toLowerCase()),
         cryptoAmountController = TextEditingController(text: initialPaymentRequest?.amount),
         fiatAmountController = TextEditingController(),
         noteController = TextEditingController(),
@@ -77,8 +76,8 @@ class SendCardState extends State<SendCard>
 
     /// if the current wallet doesn't match the one in the qr code
     if (initialPaymentRequest != null &&
-        sendViewModel.walletCurrencyName != initialPaymentRequest.scheme?.toLowerCase()) {
-      WidgetsBinding.instance?.addPostFrameCallback((timeStamp) {
+        sendViewModel.walletCurrencyName != initialPaymentRequest!.scheme.toLowerCase()) {
+      WidgetsBinding.instance.addPostFrameCallback((timeStamp) {
         showPopUp<void>(
             context: context,
             builder: (BuildContext context) {
@@ -544,7 +543,7 @@ class SendCardState extends State<SendCard>
       addressController.text = output.address;
     }
     if (output.cryptoAmount.isNotEmpty ||
-        sendViewModel.walletCurrencyName != initialPaymentRequest?.scheme?.toLowerCase()) {
+        sendViewModel.walletCurrencyName != initialPaymentRequest?.scheme.toLowerCase()) {
       cryptoAmountController.text = output.cryptoAmount;
     }
     fiatAmountController.text = output.fiatAmount;

lib/utils/payment_request.dart

@@ -1,7 +1,7 @@
 class PaymentRequest {
-  PaymentRequest(this.address, this.amount, this.note, {this.scheme});
+  PaymentRequest(this.address, this.amount, this.note, this.scheme);
 
-  factory PaymentRequest.fromUri(Uri uri) {
+  factory PaymentRequest.fromUri(Uri? uri) {
     var address = "";
     var amount = "";
     var note = "";
@@ -15,7 +15,7 @@ class PaymentRequest {
       scheme = uri.scheme;
     }
 
-    return PaymentRequest(address, amount, note, scheme: scheme);
+    return PaymentRequest(address, amount, note, scheme);
   }
 
   final String address;

lib/view_model/send/send_view_model.dart

@@ -137,7 +137,7 @@ abstract class SendViewModelBase with Store {
   PendingTransaction? pendingTransaction;
 
   @computed
-  String get balance => balanceViewModel.availableBalance ?? '0.0';
+  String get balance => balanceViewModel.availableBalance;
 
   @computed
   bool get isReadyForSend => _wallet.syncStatus is SyncedSyncStatus;
@@ -164,7 +164,7 @@ abstract class SendViewModelBase with Store {
 
   WalletType get walletType => _wallet.type;
 
-  String get walletCurrencyName => _wallet.currency.name.toLowerCase();
+  String? get walletCurrencyName => _wallet.currency.name?.toLowerCase();
 
   bool get hasCurrecyChanger => walletType == WalletType.haven;