NStack SDK architectural changes (#63)

* NStack SDK architectural changes
- Separate features like message and version control from NStackWidget
- The newly introduced NStackFeatureHandlerWidget will be used for other NStack features
- Only localization is the default for NStackWidget
- Simplified the code generation part
- Default localizations for the adaptive dialogue are configurable from the console.
- Rearrange the folder structure

* - Expose async API to get message and version update info
- Doc update
- Refactor

* - Removed commented code block

* - Moved getMessage API from NStack to NStackMessages
- Moved getVersionInfo API from NStack to NStackVersionControl
- Other clean-ups

Author: pritam-bs

example/ios/Podfile.lock

@@ -33,8 +33,8 @@ SPEC CHECKSUMS:
   Flutter: e0871f40cf51350855a761d2e70bf5af5b9b5de7
   nstack: a7ebf31d8c387ec76d4bfe5eb494d3ac81756d92
   package_info: 873975fc26034f0b863a300ad47e7f1ac6c7ec62
-  shared_preferences_foundation: 5b919d13b803cadd15ed2dc053125c68730e5126
-  url_launcher_ios: bf5ce03e0e2088bad9cc378ea97fa0ed5b49673b
+  shared_preferences_foundation: b4c3b4cddf1c21f02770737f147a3f5da9d39695
+  url_launcher_ios: 6116280ddcfe98ab8820085d8d76ae7449447586
 
 PODFILE CHECKSUM: c4c93c5f6502fe2754f48404d3594bf779584011
 

example/ios/Runner.xcodeproj/project.pbxproj

@@ -156,7 +156,7 @@
 		97C146E61CF9000F007C117D /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-				LastUpgradeCheck = 1430;
+				LastUpgradeCheck = 1510;
 				ORGANIZATIONNAME = "";
 				TargetAttributes = {
 					97C146ED1CF9000F007C117D = {

example/ios/Runner.xcodeproj/xcshareddata/xcschemes/Runner.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1430"
+   LastUpgradeVersion = "1510"
    version = "1.3">
    <BuildAction
       parallelizeBuildables = "YES"

example/lib/main.dart

@@ -1,74 +1,25 @@
 import 'package:example/nstack.dart';
+import 'package:example/routes/routes.dart';
 import 'package:flutter/material.dart';
 
 void main() {
-  runApp(const ExampleApp());
+  runApp(ExampleApp());
 }
 
 class ExampleApp extends StatelessWidget {
-  const ExampleApp({super.key});
+  ExampleApp({super.key});
+  final _router = AppRouter();
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return MaterialApp.router(
       builder: (context, child) {
         return NStackWidget(
           child: child!,
         );
       },
-      home: const MainScreen(),
-    );
-  }
-}
-
-class MainScreen extends StatelessWidget {
-  const MainScreen({super.key});
-
-  @override
-  Widget build(BuildContext context) {
-    final localization = context.localization;
-    final localizationAsset = localization.assets;
-    final activeLanguage = localization.activeLanguage;
-
-    // Message option for receiving the Message response, will not show the default dialog.
-    // void onMessage(Message message) {
-    //   if (kDebugMode) {
-    //     print(message.message);
-    //   }
-    // }
-
-    // final customNstackHandlerConfiguration =
-    //     CustomNstackHandlerConfiguration(onMessage: onMessage);
-
-    // Message option for showing default dialog.
-    final defaultHandlerConfiguration = DefaultNstackHandlerConfiguration(
-      okButtonTitle: localizationAsset.test.okButtonTitle,
-      openUrlButtonTitle: localizationAsset.test.openUrlButtonTitle,
-      dialogTitle: localizationAsset.test.dialogTitle,
-    );
-
-    return NStackVersionControlWidget(
-      child: NStackMessageWidget(
-        handlerConfiguration: defaultHandlerConfiguration,
-        child: Scaffold(
-          appBar: AppBar(
-            title: Text(localizationAsset.test.testDollarSign),
-          ),
-          body: Center(
-            child: MaterialButton(
-              onPressed: () {
-                final locale = activeLanguage.locale == 'en-EN'
-                    ? const Locale('de-AT')
-                    : const Locale('en-EN');
-                localization.changeLocalization(locale);
-              },
-              child: Text(
-                'Selected locale: ${activeLanguage.name}',
-              ),
-            ),
-          ),
-        ),
-      ),
+      routerDelegate: _router.delegate(),
+      routeInformationParser: _router.defaultRouteParser(),
     );
   }
 }