Some adjustments to argument passing logic

simple_route_parameters_implementation/lib/routes/one_route.dart

@@ -3,25 +3,50 @@ import 'package:flutter/material.dart';
 import 'package:simple_route_parameters_implementation/screens/one_screen.dart';
 
 class OneRequestArgs {
-  String name;
+  OneRequestArgs({this.name});
+  final String name;
+
+  static OneRequestArgs fromJson(Map<String, dynamic> json) {
+    return OneRequestArgs(
+      name: json['name'],
+    );
+  }
+
+  @override
+  String toString() {
+    return 'OneRequestArgs(name: $name)';
+  }
 }
 
-// @NuRouteParser()
-class OneRoute extends NuRoute<NuRouter, OneRequestArgs, void> {
+// Arguments of this Route specifies the following:
+// 1. be installed on any NuRouter
+// 2. to receive arguments that can be parsed into a OneRequestArgs class
+// 3. when popped will return a String
+class OneRoute extends NuRoute<NuRouter, OneRequestArgs, String> {
   @override
   String get path => 'one';
 
   @override
   ScreenType get screenType => materialScreenType;
 
+  /// Flutter does not have support for reflection, we need to explicitly provide a function to parse
+  /// the [NuRouteSettings.rawParameters] into the specified class that will be made available in [NuRouteSettings.args]
+  @override
+  ParamsParser<OneRequestArgs> get paramsParser => OneRequestArgs.fromJson;
+
   @override
   Widget build(BuildContext context, NuRouteSettings<OneRequestArgs> settings) {
-    // print(settings);
+    /// Map<String, dynamic> with the raw arguments passed to the route
+    print(settings.rawParameters);
+
+    /// OneRequestArgs instance with the parsed arguments
+    print(settings.arguments);
     return OneScreen(
       params: settings.args?.name,
       onScreenTwoClick: () => nuvigator.open('two'),
       onScreenThreeClick: () => nuvigator.open('three'),
-      onClose: () => nuvigator.pop(),
+      // The same work for nested flows when calling `closeFlow` to return a flow result
+      onClose: () => nuvigator.pop('closed'),
     );
   }
-}
+}

simple_route_parameters_implementation/lib/screens/home_screen.dart

@@ -24,16 +24,38 @@ class HomeScreen extends StatelessWidget {
               Text(
                 'What\'s your name?',
               ),
-              SizedBox(height: 20,),
+              SizedBox(
+                height: 20,
+              ),
               TextField(
                 controller: _nameController,
               ),
-              SizedBox(height: 20,),
+              SizedBox(
+                height: 20,
+              ),
               ElevatedButton(
                 child: Text('Next'),
-
-                // Descobrir o motivo de a rota não receber esse parâmetro passado
-                onPressed: () => nuvigator.open('exapp://one?name=${_nameController.text}'),
+                onPressed: () async {
+                  final result = await nuvigator
+                      .open('myapp://one?name=${_nameController.text}');
+                  showDialog(
+                    context: context,
+                    builder: (BuildContext context) {
+                      return AlertDialog(
+                        title: const Text('Route Closed'),
+                        content: Text('Value Returned: $result'),
+                        actions: <Widget>[
+                          TextButton(
+                            child: const Text('Close'),
+                            onPressed: () {
+                              Navigator.of(context).pop();
+                            },
+                          ),
+                        ],
+                      );
+                    },
+                  );
+                },
               ),
             ],
           ),

simple_route_parameters_implementation/lib/screens/one_screen.dart

@@ -15,7 +15,6 @@ class OneScreen extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    print(params);
     return Scaffold(
       appBar: AppBar(
         title: Text("Screen one"),
@@ -47,4 +46,4 @@ class OneScreen extends StatelessWidget {
       ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
-}
+}