Navigation Service Commit

crypto_currency_app/android/app/build.gradle

@@ -59,4 +59,5 @@ dependencies {
     implementation platform('com.google.firebase:firebase-bom:27.1.0')
     implementation 'com.google.firebase:firebase-analytics'
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation 'com.google.firebase:firebase-database'
 }

crypto_currency_app/lib/core/constants/navigation/navigation_constants.dart

@@ -0,0 +1,4 @@
+class NavigationConstants {
+  static const COINS_VIEW = '/coins';
+  static const ALARM_VIEW = '/alarm';
+}

crypto_currency_app/lib/core/exception/widget/navigation_path_not_found_widget.dart

@@ -0,0 +1,10 @@
+import 'package:flutter/material.dart';
+
+class NotFoundNavigationWidget extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Text('Navigation path not found!'),
+    );
+  }
+}

crypto_currency_app/lib/core/init/navigation/INavigationService.dart

@@ -0,0 +1,5 @@
+abstract class INavigationService {
+  Future<void> navigateToPage({String? path, Object? data});
+  Future<void> navigateToPageClear({String? path, Object? data});
+  void navigateToBack();
+}

crypto_currency_app/lib/core/init/navigation/navigation_route.dart

@@ -0,0 +1,33 @@
+import 'package:flutter/material.dart';
+import 'package:flutter/widgets.dart';
+
+import '../../../feature/alarm/view/alarm_view.dart';
+import '../../../feature/coins/view/coins_view.dart';
+import '../../constants/navigation/navigation_constants.dart';
+import '../../exception/widget/navigation_path_not_found_widget.dart';
+
+class NavigationRoute {
+  static final NavigationRoute _instance = NavigationRoute._init();
+  static NavigationRoute get instance => _instance;
+
+  NavigationRoute._init();
+
+  Route<dynamic> generateRoute(RouteSettings args) {
+    switch (args.name) {
+      case NavigationConstants.COINS_VIEW:
+        return normalNavigate(CoinsView());
+      case NavigationConstants.ALARM_VIEW:
+        return normalNavigate(AlarmView());
+      default:
+        return MaterialPageRoute(
+          builder: (context) => NotFoundNavigationWidget(),
+        );
+    }
+  }
+
+  MaterialPageRoute normalNavigate(Widget widget) {
+    return MaterialPageRoute(
+      builder: (context) => widget,
+    );
+  }
+}

crypto_currency_app/lib/core/init/navigation/navigation_service.dart

@@ -0,0 +1,29 @@
+import 'package:flutter/cupertino.dart';
+
+import 'INavigationService.dart';
+
+class NavigationService implements INavigationService {
+  static final NavigationService _instance = NavigationService._init();
+  static NavigationService get instance => _instance;
+
+  NavigationService._init();
+
+  GlobalKey<NavigatorState> navigatorKey = GlobalKey();
+  final removeAllOldRoutes = (Route<dynamic> route) => false;
+
+  @override
+  Future<void> navigateToPage({String? path, Object? data}) async {
+    await navigatorKey.currentState!.pushNamed(path!, arguments: data);
+  }
+
+  @override
+  Future<void> navigateToPageClear({String? path, Object? data}) async {
+    await navigatorKey.currentState!
+        .pushNamedAndRemoveUntil(path!, removeAllOldRoutes, arguments: data);
+  }
+
+  @override
+  void navigateToBack() {
+    navigatorKey.currentState!.pop();
+  }
+}

crypto_currency_app/lib/main.dart

@@ -1,8 +1,13 @@
+import 'package:firebase_database/firebase_database.dart';
 import 'package:flutter/material.dart';
 
 import 'feature/tab/app_tab_view.dart';
 
-void main() => runApp(MyApp());
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  runApp(MyApp());
+  //await Firebase.initializeApp();
+}
 
 class MyApp extends StatelessWidget {
   @override

crypto_currency_app/pubspec.yaml

@@ -28,6 +28,7 @@ dependencies:
   cupertino_icons: ^1.0.2
   dialog: ^0.7.2+1
   dio: ^4.0.0
+  firebase_database: ^6.1.2
   flutter_mobx: ^2.0.0
   json_annotation: ^4.0.1
   json_serializable: ^4.1.1