update to 4.0.0-nullsafety.2

+# This file tracks properties of this Flutter project.
+# Used by Flutter tool to assess capabilities and perform upgrades etc.
+#
+# This file should be version controlled and should not be manually edited.
+
+version:
+  revision: 60bd88df915880d23877bfc1602e8ddcf4c4dd2a
+  channel: stable
+
+project_type: app

+## [4.0.0-nullsafety.2] 
+- Added append function to StateMixin. Now is possible track loading, success and error handle of your application with ONE LINE OF CODE. Ex: append(()=> api.getUser);
+
 ## [4.0.0-nullsafety.0] 
 ## [4.0.0-nullsafety.0] 
 - Migrate to null-safety 
 - Migrate to null-safety 
 - Added ScrollMixin to controllers
 - Added ScrollMixin to controllers

@@ -5,11 +5,11 @@ import 'en_US.dart';
 import 'pt_BR.dart';
 import 'pt_BR.dart';
 
 
 class TranslationService extends Translations {
 class TranslationService extends Translations {
-  static final locale = Get.deviceLocale;
+  static Locale get locale => Get.deviceLocale!;
   static final fallbackLocale = Locale('en', 'US');
   static final fallbackLocale = Locale('en', 'US');
-  @override 
+  @override
   Map<String, Map<String, String>> get keys => {
   Map<String, Map<String, String>> get keys => {
-    'en_US': en_US,
-    'pt_BR': pt_BR,
-  };
-}
+        'en_US': en_US,
+        'pt_BR': pt_BR,
+      };
+}

+import 'dart:ui';
+
 import 'package:flutter/material.dart';
 import 'package:flutter/material.dart';
 import 'package:get/get.dart';
 import 'package:get/get.dart';
 import 'lang/translation_service.dart';
 import 'lang/translation_service.dart';
@@ -9,7 +11,7 @@ void main() {
 }
 }
 
 
 class MyApp extends StatelessWidget {
 class MyApp extends StatelessWidget {
-  const MyApp({Key key}) : super(key: key);
+  const MyApp({Key? key}) : super(key: key);
 
 
   @override
   @override
   Widget build(BuildContext context) {
   Widget build(BuildContext context) {

@@ -9,7 +9,8 @@ abstract class IHomeProvider {
 class HomeProvider extends GetConnect implements IHomeProvider {
 class HomeProvider extends GetConnect implements IHomeProvider {
   @override
   @override
   void onInit() {
   void onInit() {
-    httpClient.defaultDecoder = CasesModel.fromJson;
+    httpClient.defaultDecoder =
+        (val) => CasesModel.fromJson(val as Map<String, dynamic>);
     httpClient.baseUrl = 'https://api.covid19api.com';
     httpClient.baseUrl = 'https://api.covid19api.com';
   }
   }
 
 

@@ -3,16 +3,16 @@ import '../domain/entity/cases_model.dart';
 import 'home_api_provider.dart';
 import 'home_api_provider.dart';
 
 
 class HomeRepository implements IHomeRepository {
 class HomeRepository implements IHomeRepository {
-  HomeRepository({this.provider});
+  HomeRepository({required this.provider});
   final IHomeProvider provider;
   final IHomeProvider provider;
 
 
   @override
   @override
   Future<CasesModel> getCases() async {
   Future<CasesModel> getCases() async {
     final cases = await provider.getCases("/summary");
     final cases = await provider.getCases("/summary");
     if (cases.status.hasError) {
     if (cases.status.hasError) {
-      return Future.error(cases.statusText);
+      return Future.error(cases.statusText!);
     } else {
     } else {
-      return cases.body;
+      return cases.body!;
     }
     }
   }
   }
 }
 }

 // To parse this JSON data, do
 // To parse this JSON data, do
 //
 //
-//     final CasesModel = CasesModelFromJson(jsonString);
+//     final welcome = welcomeFromJson(jsonString);
 
 
 import 'dart:convert';
 import 'dart:convert';
 
 
 class CasesModel {
 class CasesModel {
-  final Global global;
-  final List<Country> countries;
-  final String date;
-
   CasesModel({
   CasesModel({
-    this.global,
-    this.countries,
-    this.date,
+    required this.id,
+    required this.message,
+    required this.global,
+    required this.countries,
+    required this.date,
   });
   });
 
 
-  static CasesModel fromRawJson(String str) =>
+  final String id;
+  final String message;
+  final Global global;
+  final List<Country> countries;
+  final DateTime date;
+
+  factory CasesModel.fromRawJson(String str) =>
       CasesModel.fromJson(json.decode(str) as Map<String, dynamic>);
       CasesModel.fromJson(json.decode(str) as Map<String, dynamic>);
 
 
   String toRawJson() => json.encode(toJson());
   String toRawJson() => json.encode(toJson());
 
 
-  static CasesModel fromJson(dynamic json) => CasesModel(
-        global: json["Global"] == null
-            ? null
-            : Global.fromJson(json["Global"] as Map<String, dynamic>),
-        countries: json["Countries"] == null
-            ? null
-            : List<Country>.from(
-                (json["Countries"] as List<dynamic>)
-                    .map((x) => Country.fromJson(x as Map<String, dynamic>)),
-              ),
-        date: json["Date"] == null ? null : json["Date"] as String,
+  factory CasesModel.fromJson(Map<String, dynamic> json) => CasesModel(
+        id: json["ID"] as String,
+        message: json["Message"] as String,
+        global: Global.fromJson(json["Global"] as Map<String, dynamic>),
+        countries: List<Country>.from((json["Countries"] as Iterable).map(
+          (x) => Country.fromJson(x as Map<String, dynamic>),
+        )),
+        date: DateTime.parse(json["Date"] as String),
       );
       );
 
 
   Map<String, dynamic> toJson() => {
   Map<String, dynamic> toJson() => {
-        "Global": global == null ? null : global.toJson(),
-        "Countries": countries == null
-            ? null
-            : List<dynamic>.from(countries.map((x) => x.toJson())),
-        "Date": date == null ? null : date,
+        "ID": id,
+        "Message": message,
+        "Global": global.toJson(),
+        "Countries": List<dynamic>.from(countries.map((x) => x.toJson())),
+        "Date": date.toIso8601String(),
       };
       };
 }
 }
 
 
 class Country {
 class Country {
+  Country({
+    required this.id,
+    required this.country,
+    required this.countryCode,
+    required this.slug,
+    required this.newConfirmed,
+    required this.totalConfirmed,
+    required this.newDeaths,
+    required this.totalDeaths,
+    required this.newRecovered,
+    required this.totalRecovered,
+    required this.date,
+    required this.premium,
+  });
+
+  final String id;
   final String country;
   final String country;
   final String countryCode;
   final String countryCode;
   final String slug;
   final String slug;
@@ -52,20 +69,8 @@ class Country {
   final int totalDeaths;
   final int totalDeaths;
   final int newRecovered;
   final int newRecovered;
   final int totalRecovered;
   final int totalRecovered;
-  final String date;
-
-  Country({
-    this.country,
-    this.countryCode,
-    this.slug,
-    this.newConfirmed,
-    this.totalConfirmed,
-    this.newDeaths,
-    this.totalDeaths,
-    this.newRecovered,
-    this.totalRecovered,
-    this.date,
-  });
+  final DateTime date;
+  final Premium premium;
 
 
   factory Country.fromRawJson(String str) =>
   factory Country.fromRawJson(String str) =>
       Country.fromJson(json.decode(str) as Map<String, dynamic>);
       Country.fromJson(json.decode(str) as Map<String, dynamic>);
@@ -73,56 +78,67 @@ class Country {
   String toRawJson() => json.encode(toJson());
   String toRawJson() => json.encode(toJson());
 
 
   factory Country.fromJson(Map<String, dynamic> json) => Country(
   factory Country.fromJson(Map<String, dynamic> json) => Country(
-        country: json["Country"] == null ? null : json["Country"] as String,
-        countryCode:
-            json["CountryCode"] == null ? null : json["CountryCode"] as String,
-        slug: json["Slug"] == null ? null : json["Slug"] as String,
-        newConfirmed:
-            json["NewConfirmed"] == null ? null : json["NewConfirmed"] as int,
-        totalConfirmed: json["TotalConfirmed"] == null
-            ? null
-            : json["TotalConfirmed"] as int,
-        newDeaths: json["NewDeaths"] == null ? null : json["NewDeaths"] as int,
-        totalDeaths:
-            json["TotalDeaths"] == null ? null : json["TotalDeaths"] as int,
-        newRecovered:
-            json["NewRecovered"] == null ? null : json["NewRecovered"] as int,
-        totalRecovered: json["TotalRecovered"] == null
-            ? null
-            : json["TotalRecovered"] as int,
-        date: json["Date"] == null ? null : json["Date"] as String,
+        id: json["ID"] as String,
+        country: json["Country"] as String,
+        countryCode: json["CountryCode"] as String,
+        slug: json["Slug"] as String,
+        newConfirmed: json["NewConfirmed"] as int,
+        totalConfirmed: json["TotalConfirmed"] as int,
+        newDeaths: json["NewDeaths"] as int,
+        totalDeaths: json["TotalDeaths"] as int,
+        newRecovered: json["NewRecovered"] as int,
+        totalRecovered: json["TotalRecovered"] as int,
+        date: DateTime.parse(json["Date"] as String),
+        premium: Premium.fromJson(json["Premium"] as Map<String, dynamic>),
       );
       );
 
 
   Map<String, dynamic> toJson() => {
   Map<String, dynamic> toJson() => {
-        "Country": country == null ? null : country,
-        "CountryCode": countryCode == null ? null : countryCode,
-        "Slug": slug == null ? null : slug,
-        "NewConfirmed": newConfirmed == null ? null : newConfirmed,
-        "TotalConfirmed": totalConfirmed == null ? null : totalConfirmed,
-        "NewDeaths": newDeaths == null ? null : newDeaths,
-        "TotalDeaths": totalDeaths == null ? null : totalDeaths,
-        "NewRecovered": newRecovered == null ? null : newRecovered,
-        "TotalRecovered": totalRecovered == null ? null : totalRecovered,
-        "Date": date == null ? null : date,
+        "ID": id,
+        "Country": country,
+        "CountryCode": countryCode,
+        "Slug": slug,
+        "NewConfirmed": newConfirmed,
+        "TotalConfirmed": totalConfirmed,
+        "NewDeaths": newDeaths,
+        "TotalDeaths": totalDeaths,
+        "NewRecovered": newRecovered,
+        "TotalRecovered": totalRecovered,
+        "Date": date.toIso8601String(),
+        "Premium": premium.toJson(),
       };
       };
 }
 }
 
 
+class Premium {
+  Premium();
+
+  factory Premium.fromRawJson(String str) =>
+      Premium.fromJson(json.decode(str) as Map<String, dynamic>);
+
+  String toRawJson() => json.encode(toJson());
+
+  factory Premium.fromJson(Map<String, dynamic> json) => Premium();
+
+  Map<String, dynamic> toJson() => {};
+}
+
 class Global {
 class Global {
+  Global({
+    required this.newConfirmed,
+    required this.totalConfirmed,
+    required this.newDeaths,
+    required this.totalDeaths,
+    required this.newRecovered,
+    required this.totalRecovered,
+    required this.date,
+  });
+
   final int newConfirmed;
   final int newConfirmed;
   final int totalConfirmed;
   final int totalConfirmed;
   final int newDeaths;
   final int newDeaths;
   final int totalDeaths;
   final int totalDeaths;
   final int newRecovered;
   final int newRecovered;
   final int totalRecovered;
   final int totalRecovered;
-
-  Global({
-    this.newConfirmed,
-    this.totalConfirmed,
-    this.newDeaths,
-    this.totalDeaths,
-    this.newRecovered,
-    this.totalRecovered,
-  });
+  final DateTime date;
 
 
   factory Global.fromRawJson(String str) =>
   factory Global.fromRawJson(String str) =>
       Global.fromJson(json.decode(str) as Map<String, dynamic>);
       Global.fromJson(json.decode(str) as Map<String, dynamic>);
@@ -130,27 +146,22 @@ class Global {
   String toRawJson() => json.encode(toJson());
   String toRawJson() => json.encode(toJson());
 
 
   factory Global.fromJson(Map<String, dynamic> json) => Global(
   factory Global.fromJson(Map<String, dynamic> json) => Global(
-        newConfirmed:
-            json["NewConfirmed"] == null ? null : json["NewConfirmed"] as int,
-        totalConfirmed: json["TotalConfirmed"] == null
-            ? null
-            : json["TotalConfirmed"] as int,
-        newDeaths: json["NewDeaths"] == null ? null : json["NewDeaths"] as int,
-        totalDeaths:
-            json["TotalDeaths"] == null ? null : json["TotalDeaths"] as int,
-        newRecovered:
-            json["NewRecovered"] == null ? null : json["NewRecovered"] as int,
-        totalRecovered: json["TotalRecovered"] == null
-            ? null
-            : json["TotalRecovered"] as int,
+        newConfirmed: json["NewConfirmed"] as int,
+        totalConfirmed: json["TotalConfirmed"] as int,
+        newDeaths: json["NewDeaths"] as int,
+        totalDeaths: json["TotalDeaths"] as int,
+        newRecovered: json["NewRecovered"] as int,
+        totalRecovered: json["TotalRecovered"] as int,
+        date: DateTime.parse(json["Date"] as String),
       );
       );
 
 
   Map<String, dynamic> toJson() => {
   Map<String, dynamic> toJson() => {
-        "NewConfirmed": newConfirmed == null ? null : newConfirmed,
-        "TotalConfirmed": totalConfirmed == null ? null : totalConfirmed,
-        "NewDeaths": newDeaths == null ? null : newDeaths,
-        "TotalDeaths": totalDeaths == null ? null : totalDeaths,
-        "NewRecovered": newRecovered == null ? null : newRecovered,
-        "TotalRecovered": totalRecovered == null ? null : totalRecovered,
+        "NewConfirmed": newConfirmed,
+        "TotalConfirmed": totalConfirmed,
+        "NewDeaths": newDeaths,
+        "TotalDeaths": totalDeaths,
+        "NewRecovered": newRecovered,
+        "TotalRecovered": totalRecovered,
+        "Date": date.toIso8601String(),
       };
       };
 }
 }

@@ -4,22 +4,16 @@ import '../../domain/adapters/repository_adapter.dart';
 import '../../domain/entity/cases_model.dart';
 import '../../domain/entity/cases_model.dart';
 
 
 class HomeController extends SuperController<CasesModel> {
 class HomeController extends SuperController<CasesModel> {
-  HomeController({this.homeRepository});
+  HomeController({required this.homeRepository});
 
 
-  /// inject repo abstraction dependency
   final IHomeRepository homeRepository;
   final IHomeRepository homeRepository;
 
 
-  /// When the controller is initialized, make the http request
   @override
   @override
   void onInit() {
   void onInit() {
     super.onInit();
     super.onInit();
-    // show loading on start, data on success
-    // and error message on error with 0 boilerplate
-    homeRepository.getCases().then((data) {
-      change(data, status: RxStatus.success());
-    }, onError: (err) {
-      change(null, status: RxStatus.error(err.toString()));
-    });
+
+    //Loading, Success, Error handle with 1 line of code
+    append(() => homeRepository.getCases);
   }
   }
 
 
   @override
   @override

@@ -29,9 +29,9 @@ class CountryView extends GetView<HomeController> {
             ),
             ),
             body: Center(
             body: Center(
               child: ListView.builder(
               child: ListView.builder(
-                  itemCount: controller.state.countries.length,
+                  itemCount: controller.state!.countries.length,
                   itemBuilder: (context, index) {
                   itemBuilder: (context, index) {
-                    final country = controller.state.countries[index];
+                    final country = controller.state!.countries[index];
                     return ListTile(
                     return ListTile(
                       onTap: () {
                       onTap: () {
                         Get.toNamed('/home/country/details',
                         Get.toNamed('/home/country/details',

@@ -42,7 +42,7 @@ class HomeView extends GetView<HomeController> {
                     ),
                     ),
                   ),
                   ),
                   Text(
                   Text(
-                    '${state.global.totalConfirmed}',
+                    '${state!.global.totalConfirmed}',
                     style: TextStyle(fontSize: 45, fontWeight: FontWeight.bold),
                     style: TextStyle(fontSize: 45, fontWeight: FontWeight.bold),
                   ),
                   ),
                   SizedBox(
                   SizedBox(

@@ -18,7 +18,7 @@ publish_to: "none" # Remove this line if you wish to publish to pub.dev
 version: 1.0.0+1
 version: 1.0.0+1
 
 
 environment:
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.12.0 <3.0.0"
 
 
 dependencies:
 dependencies:
   flutter:
   flutter:

@@ -17,7 +17,18 @@ class MockRepository implements IHomeRepository {
 
 
     if (Random().nextBool()) {
     if (Random().nextBool()) {
       return CasesModel(
       return CasesModel(
-        global: Global(totalDeaths: 100, totalConfirmed: 200),
+        global: Global(
+            totalDeaths: 100,
+            totalConfirmed: 200,
+            date: DateTime.now(),
+            newConfirmed: 0,
+            newDeaths: 0,
+            newRecovered: 0,
+            totalRecovered: 0),
+        countries: [],
+        date: DateTime.now(),
+        id: '',
+        message: '',
       );
       );
     }
     }
 
 
@@ -30,7 +41,7 @@ void main() {
   final binding = BindingsBuilder(() {
   final binding = BindingsBuilder(() {
     Get.lazyPut<IHomeRepository>(() => MockRepository());
     Get.lazyPut<IHomeRepository>(() => MockRepository());
     Get.lazyPut<HomeController>(
     Get.lazyPut<HomeController>(
-        () => HomeController(homeRepository: Get.find()));
+        () => HomeController(homeRepository: Get.find()!));
   });
   });
 
 
   test('Test Binding', () {
   test('Test Binding', () {
@@ -69,8 +80,8 @@ void main() {
     }
     }
 
 
     if (controller.status.isSuccess) {
     if (controller.status.isSuccess) {
-      expect(controller.state.global.totalDeaths, 100);
-      expect(controller.state.global.totalConfirmed, 200);
+      expect(controller.state!.global.totalDeaths, 100);
+      expect(controller.state!.global.totalConfirmed, 200);
     }
     }
   });
   });
 
 
@@ -104,33 +115,6 @@ void main() {
     ),
     ),
     test: (e) {
     test: (e) {
       expect(find.text("ban:0"), findsOneWidget);
       expect(find.text("ban:0"), findsOneWidget);
-      expect(e.count.value, 0);
-    },
-  );
-
-  testGetBuilder(
-    'GetBuilder test',
-    widget: GetBuilder<Controller>(
-      init: Controller(),
-      builder: (controller) {
-        return Text("ban:${controller.count}");
-      },
-    ),
-    test: (e) {
-      expect(find.text("ban:0"), findsOneWidget);
-      expect(e.count.value, 0);
-    },
-  );
-
-  testObx(
-    'Obx test',
-    widget: (controller) => Obx(
-      () => Text("ban:${controller.count}"),
-    ),
-    controller: Controller(),
-    test: (e) {
-      expect(find.text("ban:0"), findsOneWidget);
-      expect(e.count.value, 0);
     },
     },
   );
   );
 
 

@@ -93,7 +93,7 @@ class GetHttpClient {
     Progress? uploadProgress,
     Progress? uploadProgress,
   ) async {
   ) async {
     List<int>? bodyBytes;
     List<int>? bodyBytes;
-    BodyBytesStream? bodyStream;
+    Stream<List<int>>? bodyStream;
     final headers = <String, String>{};
     final headers = <String, String>{};
 
 
     headers['user-agent'] = userAgent;
     headers['user-agent'] = userAgent;
@@ -145,7 +145,7 @@ class GetHttpClient {
     );
     );
   }
   }
 
 
-  BodyBytesStream _trackProgress(
+  Stream<List<int>> _trackProgress(
     List<int> bodyBytes,
     List<int> bodyBytes,
     Progress? uploadProgress,
     Progress? uploadProgress,
   ) {
   ) {
@@ -163,7 +163,7 @@ class GetHttpClient {
         sink.add(data);
         sink.add(data);
       }),
       }),
     );
     );
-    return BodyBytesStream(byteStream);
+    return byteStream;
   }
   }
 
 
   void _setSimpleHeaders(
   void _setSimpleHeaders(

@@ -46,7 +46,7 @@ class HttpRequestImpl implements HttpRequestBase {
       var reader = html.FileReader();
       var reader = html.FileReader();
 
 
       reader.onLoad.first.then((_) async {
       reader.onLoad.first.then((_) async {
-        var bodyBytes = BodyBytesStream.fromBytes(reader.result as Uint8List?);
+        var bodyBytes = BodyBytesStream.fromBytes(reader.result as List<int>);
 
 
         final stringBody =
         final stringBody =
             await bodyBytesToString(bodyBytes, xhr.responseHeaders);
             await bodyBytesToString(bodyBytes, xhr.responseHeaders);

@@ -50,7 +50,7 @@ class HttpRequestImpl extends HttpRequestBase {
         headers[key] = values.join(',');
         headers[key] = values.join(',');
       });
       });
 
 
-      final bodyBytes = BodyBytesStream(response);
+      final bodyBytes = (response);
       final stringBody = await bodyBytesToString(bodyBytes, headers);
       final stringBody = await bodyBytesToString(bodyBytes, headers);
 
 
       final body = bodyDecoded<T>(
       final body = bodyDecoded<T>(

@@ -19,11 +19,11 @@ class MultipartFile {
   final String contentType;
   final String contentType;
 
 
   /// This stream will emit the file content of File.
   /// This stream will emit the file content of File.
-  BodyBytesStream? _stream;
+  Stream<List<int>>? _stream;
 
 
   int? _length;
   int? _length;
 
 
-  BodyBytesStream? get stream => _stream;
+  Stream<List<int>>? get stream => _stream;
 
 
   int? get length => _length;
   int? get length => _length;
 
 

@@ -21,7 +21,7 @@ class Request<T> {
   final int? contentLength;
   final int? contentLength;
 
 
   /// The BodyBytesStream of body from this [Request]
   /// The BodyBytesStream of body from this [Request]
-  final BodyBytesStream bodyBytes;
+  final Stream<List<int>> bodyBytes;
 
 
   /// When true, the client will follow redirects to resolves this [Request]
   /// When true, the client will follow redirects to resolves this [Request]
   final bool followRedirects;
   final bool followRedirects;
@@ -50,7 +50,7 @@ class Request<T> {
     required Uri url,
     required Uri url,
     required String method,
     required String method,
     required Map<String, String> headers,
     required Map<String, String> headers,
-    BodyBytesStream? bodyBytes,
+    Stream<List<int>>? bodyBytes,
     bool followRedirects = true,
     bool followRedirects = true,
     int maxRedirects = 4,
     int maxRedirects = 4,
     int? contentLength,
     int? contentLength,
@@ -76,11 +76,9 @@ class Request<T> {
   }
   }
 }
 }
 
 
-class BodyBytesStream extends StreamView<List<int>?> {
-  BodyBytesStream(Stream<List<int>?> stream) : super(stream);
-
-  factory BodyBytesStream.fromBytes(List<int>? bytes) =>
-      BodyBytesStream(Stream.fromIterable([bytes]));
+extension BodyBytesStream on Stream<List<int>> {
+  static Stream<List<int>> fromBytes(List<int> bytes) =>
+      Stream.fromIterable([bytes]);
 
 
   Future<Uint8List> toBytes() {
   Future<Uint8List> toBytes() {
     var completer = Completer<Uint8List>();
     var completer = Completer<Uint8List>();
@@ -89,7 +87,7 @@ class BodyBytesStream extends StreamView<List<int>?> {
         Uint8List.fromList(bytes),
         Uint8List.fromList(bytes),
       ),
       ),
     );
     );
-    listen((val) => sink.add(val!),
+    listen((val) => sink.add(val),
         onError: completer.completeError,
         onError: completer.completeError,
         onDone: sink.close,
         onDone: sink.close,
         cancelOnError: true);
         cancelOnError: true);
@@ -97,5 +95,5 @@ class BodyBytesStream extends StreamView<List<int>?> {
   }
   }
 
 
   Future<String> bytesToString([Encoding encoding = utf8]) =>
   Future<String> bytesToString([Encoding encoding = utf8]) =>
-      encoding.decodeStream(this as Stream<List<int>>);
+      encoding.decodeStream(this);
 }
 }

@@ -49,7 +49,7 @@ class Response<T> {
   bool get unauthorized => status.isUnauthorized;
   bool get unauthorized => status.isUnauthorized;
 
 
   /// The response body as a Stream of Bytes.
   /// The response body as a Stream of Bytes.
-  final BodyBytesStream? bodyBytes;
+  final Stream<List<int>>? bodyBytes;
 
 
   /// The response body as a Stream of Bytes.
   /// The response body as a Stream of Bytes.
   final String? bodyString;
   final String? bodyString;
@@ -61,7 +61,7 @@ class Response<T> {
 }
 }
 
 
 Future<String> bodyBytesToString(
 Future<String> bodyBytesToString(
-    BodyBytesStream bodyBytes, Map<String, String> headers) {
+    Stream<List<int>> bodyBytes, Map<String, String> headers) {
   return bodyBytes.bytesToString(_encodingForHeaders(headers));
   return bodyBytes.bytesToString(_encodingForHeaders(headers));
 }
 }
 
 

@@ -52,10 +52,9 @@ String validateField(String field) {
   return field.toLowerCase();
   return field.toLowerCase();
 }
 }
 
 
-BodyBytesStream toBodyBytesStream(Stream<List<int>> stream) {
-  if (stream is BodyBytesStream) return stream as BodyBytesStream;
-  return BodyBytesStream(stream);
-}
+// Stream<List<int>> toBodyBytesStream(Stream<List<int>> stream) {
+//   return (stream);
+// }
 
 
 final _asciiOnly = RegExp(r'^[\x00-\x7F]+$');
 final _asciiOnly = RegExp(r'^[\x00-\x7F]+$');
 
 

@@ -2,9 +2,9 @@ import 'dart:developer' as developer;
 import 'get_main.dart';
 import 'get_main.dart';
 
 
 ///Voidcallback from logs
 ///Voidcallback from logs
-typedef LogWriterCallback = void Function(String text, {bool? isError});
+typedef LogWriterCallback = void Function(String text, {bool isError});
 
 
 /// default logger from GetX
 /// default logger from GetX
-void defaultLogWriterCallback(String value, {bool? isError = false}) {
-  if (isError! || Get.isLogEnable) developer.log(value, name: 'GETX');
+void defaultLogWriterCallback(String value, {bool isError = false}) {
+  if (isError || Get.isLogEnable) developer.log(value, name: 'GETX');
 }
 }

@@ -67,7 +67,7 @@ extension Inst on GetInterface {
   /// Finds a Instance of the required Class <[S]>(or [tag])
   /// Finds a Instance of the required Class <[S]>(or [tag])
   /// In the case of using [Get.create()], it will generate an Instance
   /// In the case of using [Get.create()], it will generate an Instance
   /// each time you call [Get.find()].
   /// each time you call [Get.find()].
-  S? find<S>({String? tag}) => GetInstance().find<S>(tag: tag);
+  S find<S>({String? tag}) => GetInstance().find<S>(tag: tag)!;
 
 
   /// Injects an [Instance<S>] in memory.
   /// Injects an [Instance<S>] in memory.
   ///
   ///

@@ -1105,9 +1105,9 @@ Since version 2.8 it is possible to access the properties
   //TODO: Change to ui.SingletonFlutterWindow rather dynamic
   //TODO: Change to ui.SingletonFlutterWindow rather dynamic
   //when Flutter update stable. dynamic is used to avoid Breaking Changes
   //when Flutter update stable. dynamic is used to avoid Breaking Changes
   /// The window to which this binding is bound.
   /// The window to which this binding is bound.
-  dynamic get window => ui.window;
+  ui.SingletonFlutterWindow get window => ui.window;
 
 
-  Locale get deviceLocale => ui.window.locale;
+  Locale? get deviceLocale => ui.window.locale;
 
 
   ///The number of device pixels for each logical pixel.
   ///The number of device pixels for each logical pixel.
   double get pixelRatio => ui.window.devicePixelRatio;
   double get pixelRatio => ui.window.devicePixelRatio;

@@ -35,7 +35,7 @@ abstract class GetView<T> extends StatelessWidget {
 
 
   final String? tag = null;
   final String? tag = null;
 
 
-  T? get controller => GetInstance().find<T>(tag: tag);
+  T get controller => GetInstance().find<T>(tag: tag)!;
 
 
   @override
   @override
   Widget build(BuildContext context);
   Widget build(BuildContext context);
@@ -53,7 +53,7 @@ abstract class GetWidget<S extends GetLifeCycleBase?> extends GetWidgetCache {
   @protected
   @protected
   final String? tag = null;
   final String? tag = null;
 
 
-  S? get controller => GetWidget._cache[this] as S?;
+  S get controller => GetWidget._cache[this] as S;
 
 
   // static final _cache = <GetWidget, GetLifeCycleBase>{};
   // static final _cache = <GetWidget, GetLifeCycleBase>{};
 
 

 import 'dart:ui';
 import 'dart:ui';
 import '../../../get_core/get_core.dart';
 import '../../../get_core/get_core.dart';
 
 
-extension Trans on String? {
-  String? get tr {
+extension Trans on String {
+  String get tr {
     // Returns the key if locale is null.
     // Returns the key if locale is null.
     if (Get.locale?.languageCode == null) return this;
     if (Get.locale?.languageCode == null) return this;
 
 
@@ -14,13 +14,13 @@ extension Trans on String? {
                 "${Get.locale!.languageCode}_${Get.locale!.countryCode}"]!
                 "${Get.locale!.languageCode}_${Get.locale!.countryCode}"]!
             .containsKey(this)) {
             .containsKey(this)) {
       return Get.translations[
       return Get.translations[
-          "${Get.locale!.languageCode}_${Get.locale!.countryCode}"]![this!];
+          "${Get.locale!.languageCode}_${Get.locale!.countryCode}"]![this]!;
 
 
       // Checks if there is a callback language in the absence of the specific
       // Checks if there is a callback language in the absence of the specific
       // country, and if it contains that key.
       // country, and if it contains that key.
     } else if (Get.translations.containsKey(Get.locale!.languageCode) &&
     } else if (Get.translations.containsKey(Get.locale!.languageCode) &&
         Get.translations[Get.locale!.languageCode]!.containsKey(this)) {
         Get.translations[Get.locale!.languageCode]!.containsKey(this)) {
-      return Get.translations[Get.locale!.languageCode]![this!];
+      return Get.translations[Get.locale!.languageCode]![this]!;
       // If there is no corresponding language or corresponding key, return
       // If there is no corresponding language or corresponding key, return
       // the key.
       // the key.
     } else if (Get.fallbackLocale != null) {
     } else if (Get.fallbackLocale != null) {
@@ -29,11 +29,11 @@ extension Trans on String? {
 
 
       if (Get.translations.containsKey(key) &&
       if (Get.translations.containsKey(key) &&
           Get.translations[key]!.containsKey(this)) {
           Get.translations[key]!.containsKey(this)) {
-        return Get.translations[key]![this!];
+        return Get.translations[key]![this]!;
       }
       }
       if (Get.translations.containsKey(fallback.languageCode) &&
       if (Get.translations.containsKey(fallback.languageCode) &&
           Get.translations[fallback.languageCode]!.containsKey(this)) {
           Get.translations[fallback.languageCode]!.containsKey(this)) {
-        return Get.translations[fallback.languageCode]![this!];
+        return Get.translations[fallback.languageCode]![this]!;
       }
       }
       return this;
       return this;
     } else {
     } else {
@@ -41,25 +41,25 @@ extension Trans on String? {
     }
     }
   }
   }
 
 
-  String? trArgs([List<String> args = const []]) {
+  String trArgs([List<String> args = const []]) {
     var key = tr;
     var key = tr;
     if (args.isNotEmpty) {
     if (args.isNotEmpty) {
       for (final arg in args) {
       for (final arg in args) {
-        key = key!.replaceFirst(RegExp(r'%s'), arg.toString());
+        key = key.replaceFirst(RegExp(r'%s'), arg.toString());
       }
       }
     }
     }
     return key;
     return key;
   }
   }
 
 
-  String? trPlural([String? pluralKey, int? i, List<String> args = const []]) {
-    return i == 1 ? pluralKey.trArgs(args) : trArgs(args);
+  String trPlural([String? pluralKey, int? i, List<String> args = const []]) {
+    return i == 1 ? pluralKey!.trArgs(args) : trArgs(args);
   }
   }
 
 
   String? trParams([Map<String, String> params = const {}]) {
   String? trParams([Map<String, String> params = const {}]) {
     var trans = tr;
     var trans = tr;
     if (params.isNotEmpty) {
     if (params.isNotEmpty) {
       params.forEach((key, value) {
       params.forEach((key, value) {
-        trans = trans!.replaceAll('@$key', value);
+        trans = trans.replaceAll('@$key', value);
       });
       });
     }
     }
     return trans;
     return trans;
@@ -67,7 +67,7 @@ extension Trans on String? {
 
 
   String? trPluralParams(
   String? trPluralParams(
       [String? pluralKey, int? i, Map<String, String> params = const {}]) {
       [String? pluralKey, int? i, Map<String, String> params = const {}]) {
-    return i == 1 ? pluralKey.trParams(params) : trParams(params);
+    return i == 1 ? pluralKey!.trParams(params) : trParams(params);
   }
   }
 }
 }
 
 

 name: get
 name: get
 description: Open screens/snackbars/dialogs without context, manage states and inject dependencies easily with GetX.
 description: Open screens/snackbars/dialogs without context, manage states and inject dependencies easily with GetX.
-version: 4.0.0-nullsafety.0
+version: 4.0.0-nullsafety.2
 homepage: https://github.com/jonataslaw/getx
 homepage: https://github.com/jonataslaw/getx
 
 
 environment:
 environment:

@@ -39,7 +39,7 @@ void main() {
   test('Get start and delete called just one time', () async {
   test('Get start and delete called just one time', () async {
     Get..put(Controller())..put(Controller());
     Get..put(Controller())..put(Controller());
 
 
-    final controller = Get.find<Controller>()!;
+    final controller = Get.find<Controller>();
     expect(controller.init, 1);
     expect(controller.init, 1);
 
 
     Get..delete<Controller>()..delete<Controller>();
     Get..delete<Controller>()..delete<Controller>();
@@ -83,19 +83,19 @@ void main() {
 
 
   test('Get.lazyPut fenix test', () async {
   test('Get.lazyPut fenix test', () async {
     Get.lazyPut<Controller>(() => Controller(), fenix: true);
     Get.lazyPut<Controller>(() => Controller(), fenix: true);
-    Get.find<Controller>()!.increment();
+    Get.find<Controller>().increment();
 
 
-    expect(Get.find<Controller>()!.count, 1);
+    expect(Get.find<Controller>().count, 1);
     Get.delete<Controller>();
     Get.delete<Controller>();
-    expect(Get.find<Controller>()!.count, 0);
+    expect(Get.find<Controller>().count, 0);
     Get.reset();
     Get.reset();
   });
   });
 
 
   test('Get.lazyPut without fenix', () async {
   test('Get.lazyPut without fenix', () async {
     Get.lazyPut<Controller>(() => Controller());
     Get.lazyPut<Controller>(() => Controller());
-    Get.find<Controller>()!.increment();
+    Get.find<Controller>().increment();
 
 
-    expect(Get.find<Controller>()!.count, 1);
+    expect(Get.find<Controller>().count, 1);
     Get.delete<Controller>();
     Get.delete<Controller>();
     expect(() => Get.find<Controller>(), throwsA(m.TypeMatcher<String>()));
     expect(() => Get.find<Controller>(), throwsA(m.TypeMatcher<String>()));
     Get.reset();
     Get.reset();
@@ -103,13 +103,13 @@ void main() {
 
 
   test('Get.reloadInstance test', () async {
   test('Get.reloadInstance test', () async {
     Get.lazyPut<Controller>(() => Controller());
     Get.lazyPut<Controller>(() => Controller());
-    var ct1 = Get.find<Controller>()!;
+    var ct1 = Get.find<Controller>();
     ct1.increment();
     ct1.increment();
     expect(ct1.count, 1);
     expect(ct1.count, 1);
-    ct1 = Get.find<Controller>()!;
+    ct1 = Get.find<Controller>();
     expect(ct1.count, 1);
     expect(ct1.count, 1);
     GetInstance().reload<Controller>();
     GetInstance().reload<Controller>();
-    ct1 = Get.find<Controller>()!;
+    ct1 = Get.find<Controller>();
     expect(ct1.count, 0);
     expect(ct1.count, 0);
     Get.reset();
     Get.reset();
   });
   });