Implement dependency injection

lib/injection_container.dart

@@ -0,0 +1,48 @@
+import 'package:data_connection_checker/data_connection_checker.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter_news_app/config/constant_config.dart';
+import 'package:flutter_news_app/config/flavor_config.dart';
+import 'package:flutter_news_app/core/network/network_info.dart';
+import 'package:flutter_news_app/core/util/dio_logging_interceptor.dart';
+import 'package:flutter_news_app/feature/data/datasource/news/news_remote_data_source.dart';
+import 'package:flutter_news_app/feature/data/repository/news/news_repository_impl.dart';
+import 'package:flutter_news_app/feature/domain/usecase/gettopheadlinesnews/get_top_headlines_news.dart';
+import 'package:get_it/get_it.dart';
+
+import 'feature/presentation/bloc/topheadlinesnews/bloc.dart';
+
+final sl = GetIt.instance;
+
+Future<void> init() async {
+ /**
+ * ! Features
+ */
+ // Bloc
+ sl.registerFactory(() => TopHeadlinesNewsBloc(getTopHeadlinesNews: sl()));
+
+ // Use Case
+ sl.registerLazySingleton(() => GetTopHeadlinesNews(newsRepository: sl()));
+
+ // Repository
+ sl.registerLazySingleton(() => NewsRepositoryImpl(newsRemoteDataSource: sl(), networkInfo: sl()));
+
+ // Data Source
+ sl.registerLazySingleton(() => NewsRemoteDataSourceImpl(dio: sl(), constantConfig: sl()));
+
+ /**
+ * ! Core
+ */
+ sl.registerLazySingleton<NetworkInfo>(() => NetworkInfoImpl(sl()));
+
+ /**
+ * ! External
+ */
+ sl.registerLazySingleton(() {
+ final dio = Dio();
+ dio.options.baseUrl = FlavorConfig.instance.values.baseUrl;
+ dio.interceptors.add(DioLoggingInterceptor());
+ return dio;
+ });
+ sl.registerLazySingleton(() => ConstantConfig());
+ sl.registerLazySingleton(() => DataConnectionChecker());
+}

lib/main_development.dart

@@ -2,13 +2,16 @@ import 'package:flutter/material.dart';
 import 'package:flutter_news_app/app.dart';
 import 'package:flutter_news_app/config/base_url_config.dart';
 import 'package:flutter_news_app/config/flavor_config.dart';
+import 'package:flutter_news_app/injection_container.dart' as di;
 import 'package:flutter_stetho/flutter_stetho.dart';
 
 void main() async {
+ WidgetsFlutterBinding.ensureInitialized();
  FlavorConfig(
  flavor: Flavor.DEVELOPMENT,
  values: FlavorValues(baseUrl: BaseUrlConfig().baseUrlDevelopment),
  );
+ await di.init();
  await Stetho.initialize();
  runApp(App());
 }

lib/main_production.dart

@@ -2,11 +2,14 @@ import 'package:flutter/material.dart';
 import 'package:flutter_news_app/app.dart';
 import 'package:flutter_news_app/config/base_url_config.dart';
 import 'package:flutter_news_app/config/flavor_config.dart';
+import 'package:flutter_news_app/injection_container.dart' as di;
 
 void main() async {
+ WidgetsFlutterBinding.ensureInitialized();
  FlavorConfig(
  flavor: Flavor.PRODUCTION,
  values: FlavorValues(baseUrl: BaseUrlConfig().baseUrlProduction),
  );
+ await di.init();
  runApp(App());
 }