runable

lib/core/di/injection_container.dart

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+import 'package:connectivity_plus/connectivity_plus.dart';
+import 'package:get_it/get_it.dart';
+import '../network/dio_client.dart';
+import '../network/network_info.dart';
+
+/// Service locator instance
+final sl = GetIt.instance;
+
+/// Initialize all dependencies
+///
+/// This function registers all the dependencies required by the app
+/// in the GetIt service locator. Call this in main() before runApp().
+Future<void> initDependencies() async {
+  // ===== Core =====
+
+  // Connectivity (external) - Register first as it's a dependency
+  sl.registerLazySingleton<Connectivity>(
+    () => Connectivity(),
+  );
+
+  // Network Info
+  sl.registerLazySingleton<NetworkInfo>(
+    () => NetworkInfo(sl()),
+  );
+
+  // Dio Client
+  sl.registerLazySingleton<DioClient>(
+    () => DioClient(),
+  );
+
+  // ===== Data Sources =====
+  // Note: Data sources are managed by Riverpod providers
+  // No direct registration needed here
+
+  // ===== Repositories =====
+  // TODO: Register repositories when they are implemented
+
+  // ===== Use Cases =====
+  // TODO: Register use cases when they are implemented
+
+  // ===== Providers (Riverpod) =====
+  // Note: Riverpod providers are registered differently
+  // This is just for dependency injection of external dependencies
+}
+
+/// Clear all dependencies (useful for testing)
+void resetDependencies() {
+  sl.reset();
+}

lib/core/di/service_locator.dart

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+import 'package:get_it/get_it.dart';
+import 'package:connectivity_plus/connectivity_plus.dart';
+import '../network/dio_client.dart';
+import '../network/network_info.dart';
+
+final getIt = GetIt.instance;
+
+/// Setup dependency injection
+Future<void> setupServiceLocator() async {
+  // External dependencies
+  getIt.registerLazySingleton(() => Connectivity());
+
+  // Core
+  getIt.registerLazySingleton(() => DioClient());
+  getIt.registerLazySingleton(() => NetworkInfo(getIt()));
+
+  // Data sources - to be added when features are implemented
+  
+  // Repositories - to be added when features are implemented
+  
+  // Use cases - to be added when features are implemented
+}