Merge null-safety plugins (#3324)

Author: Emmanuel Garcia

packages/connectivity/connectivity/CHANGELOG.md

@@ -1,3 +1,11 @@
+## 3.0.0-nullsafety.1
+
+* Bump Dart SDK to support null safety.
+
+## 3.0.0-nullsafety
+
+* Migrate to null safety.
+
 ## 2.0.3
 
 * Update Flutter SDK constraint.

packages/connectivity/connectivity/analysis_options.yaml

@@ -0,0 +1,4 @@
+include: ../../../analysis_options.yaml
+analyzer:
+  enable-experiment:
+    - non-nullable

packages/connectivity/connectivity/example/lib/main.dart

@@ -40,7 +40,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
+  MyHomePage({Key? key, required this.title}) : super(key: key);
 
   final String title;
 
@@ -51,7 +51,7 @@ class MyHomePage extends StatefulWidget {
 class _MyHomePageState extends State<MyHomePage> {
   String _connectionStatus = 'Unknown';
   final Connectivity _connectivity = Connectivity();
-  StreamSubscription<ConnectivityResult> _connectivitySubscription;
+  late StreamSubscription<ConnectivityResult> _connectivitySubscription;
 
   @override
   void initState() {
@@ -69,7 +69,7 @@ class _MyHomePageState extends State<MyHomePage> {
 
   // Platform messages are asynchronous, so we initialize in an async method.
   Future<void> initConnectivity() async {
-    ConnectivityResult result;
+    ConnectivityResult result = ConnectivityResult.none;
     // Platform messages may fail, so we use a try/catch PlatformException.
     try {
       result = await _connectivity.checkConnectivity();

packages/connectivity/connectivity/example/pubspec.yaml

@@ -10,9 +10,10 @@ dependencies:
 dev_dependencies:
   flutter_driver:
     sdk: flutter
+  test: ^1.10.0-nullsafety.1
   integration_test:
     path: ../../../integration_test
-  pedantic: ^1.8.0
+  pedantic: ^1.10.0-nullsafety.1
 
 flutter:
   uses-material-design: true

packages/connectivity/connectivity/example/test_driver/integration_test/connectivity_test.dart

@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// TODO(cyanglaz): Remove once https://github.com/flutter/plugins/pull/3158 is landed.
+// @dart = 2.9
+
 import 'package:integration_test/integration_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:connectivity/connectivity.dart';

packages/connectivity/connectivity/integration_test/connectivity_test.dart

@@ -2,6 +2,9 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+// TODO(cyanglaz): Remove once https://github.com/flutter/plugins/pull/3158 is landed.
+// @dart = 2.9
+
 import 'package:integration_test/integration_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:connectivity/connectivity.dart';

packages/connectivity/connectivity/lib/connectivity.dart

@@ -22,12 +22,12 @@ class Connectivity {
     if (_singleton == null) {
       _singleton = Connectivity._();
     }
-    return _singleton;
+    return _singleton!;
   }
 
   Connectivity._();
 
-  static Connectivity _singleton;
+  static Connectivity? _singleton;
 
   static ConnectivityPlatform get _platform => ConnectivityPlatform.instance;
 

packages/connectivity/connectivity/pubspec.yaml

@@ -2,7 +2,7 @@ name: connectivity
 description: Flutter plugin for discovering the state of the network (WiFi &
   mobile/cellular) connectivity on Android and iOS.
 homepage: https://github.com/flutter/plugins/tree/master/packages/connectivity/connectivity
-version: 2.0.3
+version: 3.0.0-nullsafety.1
 
 flutter:
   plugin:
@@ -21,21 +21,24 @@ dependencies:
   flutter:
     sdk: flutter
   meta: ^1.0.5
-  connectivity_platform_interface: ^1.0.2
-  connectivity_macos: ^0.1.0
-  connectivity_for_web: ^0.3.0
+  connectivity_platform_interface: ^2.0.0-nullsafety.1
+  #TODO(cyanglaz): re-endorse the below plugins when they have migrated to nnbd.
+  # https://github.com/flutter/flutter/issues/68669
+  connectivity_macos: ^0.2.0-nullsafety
+  # connectivity_for_web: ^0.3.0
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_driver:
     sdk: flutter
+  test: ^1.10.0-nullsafety.1
   integration_test:
     path: ../../integration_test
   mockito: ^4.1.1
-  plugin_platform_interface: ^1.0.0
-  pedantic: ^1.8.0
+  plugin_platform_interface: ^1.1.0-nullsafety.1
+  pedantic: ^1.10.0-nullsafety.1
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0-0 <3.0.0"
   flutter: ">=1.12.13+hotfix.5"

packages/connectivity/connectivity/test/connectivity_test.dart

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// @dart = 2.8
-
+// TODO(cyanglaz): Remove once Mockito is migrated to null safety.
+// @dart = 2.9
 import 'package:connectivity/connectivity.dart';
 import 'package:connectivity_platform_interface/connectivity_platform_interface.dart';
 import 'package:flutter_test/flutter_test.dart';

packages/connectivity/connectivity_macos/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.2.0-nullsafety
+
+* Update Dart SDK constraint.
+
 ## 0.1.0+8
 
 * Update Flutter SDK constraint.