Added the pylons loading animation (#1725)

dart_sdk/analysis_options.yaml

@@ -44,4 +44,5 @@ linter:
     - unrelated_type_equality_checks
     - use_function_type_syntax_for_parameters
     - use_rethrow_when_possible
-    - valid_regexps
+    - valid_regexps
+    - sort_pub_dependencies

dart_sdk/example/lib/main.dart

@@ -177,6 +177,12 @@ class _MyHomePageState extends State<MyHomePage> {
               },
               child: const Text('Show Stripe'),
             ),
+            ElevatedButton(
+              onPressed: () async {
+                _showLoader();
+              },
+              child: const Text('Show Loader'),
+            ),
           ],
         ),
       ),
@@ -398,4 +404,12 @@ class _MyHomePageState extends State<MyHomePage> {
   void showStripe() {
     PylonsWallet.instance.showStripe();
   }
+
+  void _showLoader() async {
+    PylonsLoadingAnimation animation = PylonsLoadingAnimation(context: context, height: 100, width: 100);
+    animation.show();
+
+    await Future.delayed(const Duration(seconds: 5));
+    animation.hide();
+  }
 }

dart_sdk/lib/low_level.dart

@@ -11,3 +11,4 @@ export 'src/generated/pylons/tx.pb.dart';
 export 'src/features/models/sdk_ipc_response.dart';
 export 'src/features/data/models/profile.dart' show Profile;
 export 'src/features/helper/dec_string.dart';
+export 'src/ui/pylons_loading_animation.dart';

dart_sdk/lib/pylons_sdk.dart

@@ -12,3 +12,4 @@ export 'src/types/item.dart';
 export 'src/types/profile.dart';
 export 'src/types/recipe.dart';
 export 'src/features/helper/dec_string.dart';
+export 'src/ui/pylons_loading_animation.dart';

dart_sdk/lib/src/ui/pylons_loading_animation.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+class PylonsLoadingAnimation {
+  PylonsLoadingAnimation({
+    required this.context,
+    double height = 100,
+    double width = 100,
+  })  : _height = height,
+        _width = width;
+
+  Future show() {
+    return showDialog(
+      context: context,
+      barrierDismissible: true,
+      barrierColor: Colors.white.withOpacity(0),
+      builder: (ctx) => WillPopScope(
+        onWillPop: () async => false,
+        child: AlertDialog(
+          elevation: 0,
+          backgroundColor: Colors.transparent,
+          content: SizedBox(height: _height, width: _width, child: Image.asset('assets/loading.gif', package: 'pylons_sdk',)),
+        ),
+      ),
+    );
+  }
+
+  void hide() {
+    Navigator.of(context).pop();
+  }
+
+  final BuildContext context;
+  final double _height;
+  final double _width;
+}

dart_sdk/pubspec.yaml

@@ -8,36 +8,24 @@ environment:
   sdk: ">=2.14.0 <3.0.0"
 
 dependencies:
-  flutter:
-    sdk: flutter
-
   dartz: ^0.10.0
-  equatable: ^2.0.3
   decimal: ^2.1.0
-
-  #Used it for ipc
+  equatable: ^2.0.3
+  fixnum: ^1.0.0
+  flutter:
+    sdk: flutter
+  http: ^0.13.5
+  protobuf: ^2.0.0
   uni_links: ^0.5.1
   uni_links_platform_interface: ^1.0.0
-
-
   url_launcher: ^6.1.2
-  protobuf: ^2.0.0
-
-  fixnum: ^1.0.0
-  http: ^0.13.5
-
-  bitstream: ">=0.0.4 <2.0.0"
-
+
 dev_dependencies:
+  build_runner: ^2.1.4
   flutter_test:
     sdk: flutter
-
   mockito: ^5.0.16
-
-  #  code_builder: ^4.0.0
-  build_runner: ^2.1.4
-
-
-
-
+
 flutter:
+  assets:
+    - assets/loading.gif