[quick_actions] Migrate to null safety (#3421)

Author: bparrishMines

packages/quick_actions/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.5.0-nullsafety
+
+* Migrate to null safety.
+
 ## 0.4.0+12
 
 * Fix outdated links across a number of markdown files ([#3276](https://github.com/flutter/plugins/pull/3276))

packages/quick_actions/lib/quick_actions.dart

@@ -22,8 +22,8 @@ class ShortcutItem {
   ///
   /// Only [icon] should be nullable. It will remain `null` if unset.
   const ShortcutItem({
-    @required this.type,
-    @required this.localizedTitle,
+    required this.type,
+    required this.localizedTitle,
     this.icon,
   });
 
@@ -35,7 +35,7 @@ class ShortcutItem {
 
   /// Name of native resource (xcassets etc; NOT a Flutter asset) to be
   /// displayed as the icon for this item.
-  final String icon;
+  final String? icon;
 }
 
 /// Quick actions plugin.
@@ -65,15 +65,16 @@ class QuickActions {
       assert(call.method == 'launch');
       handler(call.arguments);
     });
-    final String action = await channel.invokeMethod<String>('getLaunchAction');
+    final String? action =
+        await channel.invokeMethod<String?>('getLaunchAction');
     if (action != null) {
       handler(action);
     }
   }
 
   /// Sets the [ShortcutItem]s to become the app's quick actions.
   Future<void> setShortcutItems(List<ShortcutItem> items) async {
-    final List<Map<String, String>> itemsList =
+    final List<Map<String, String?>> itemsList =
         items.map(_serializeItem).toList();
     await channel.invokeMethod<void>('setShortcutItems', itemsList);
   }
@@ -82,8 +83,8 @@ class QuickActions {
   Future<void> clearShortcutItems() =>
       channel.invokeMethod<void>('clearShortcutItems');
 
-  Map<String, String> _serializeItem(ShortcutItem item) {
-    return <String, String>{
+  Map<String, String?> _serializeItem(ShortcutItem item) {
+    return <String, String?>{
       'type': item.type,
       'localizedTitle': item.localizedTitle,
       'icon': item.icon,

packages/quick_actions/pubspec.yaml

@@ -2,7 +2,7 @@ name: quick_actions
 description: Flutter plugin for creating shortcuts on home screen, also known as
   Quick Actions on iOS and App Shortcuts on Android.
 homepage: https://github.com/flutter/plugins/tree/master/packages/quick_actions
-version: 0.4.0+12
+version: 0.5.0-nullsafety
 
 flutter:
   plugin:
@@ -16,17 +16,17 @@ flutter:
 dependencies:
   flutter:
     sdk: flutter
-  meta: ^1.0.5
+  meta: ^1.3.0-nullsafety
 
 dev_dependencies:
-  test: ^1.3.0
-  mockito: ^3.0.0
+  test: ^1.16.0-nullsafety
+  mockito: ^5.0.0-nullsafety.0
   flutter_test:
     sdk: flutter
   integration_test:
     path: ../integration_test
-  pedantic: ^1.8.0
+  pedantic: ^1.10.0-nullsafety
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0-0 <3.0.0"
   flutter: ">=1.12.13+hotfix.5"

packages/quick_actions/test/quick_actions_test.dart

@@ -10,7 +10,7 @@ import 'package:quick_actions/quick_actions.dart';
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
-  QuickActions quickActions;
+  late QuickActions quickActions;
   final List<MethodCall> log = <MethodCall>[];
 
   setUp(() {

script/nnbd_plugins.sh

@@ -20,6 +20,7 @@ readonly NNBD_PLUGINS_LIST=(
   "path_provider"
   "package_info"
   "plugin_platform_interface"
+  "quick_actions"
   "sensors"
   "share"
   "shared_preferences"