permission handler nullsafety migration

permission_handler/example/lib/main.dart

@@ -74,18 +74,18 @@ class BaseflowPluginExample extends StatelessWidget {
         1,
       );
     }
-    return MaterialColor(color.value, swatch);
+    return MaterialColor(color.value, swatch as Map<int, Color>);
   }
 }
 
 /// A Flutter example demonstrating how the [pluginName] plugin could be used
 class AppHome extends StatefulWidget {
   /// Constructs the [AppHome] class
-  AppHome({Key key, this.title}) : super(key: key);
+  AppHome({Key? key, this.title}) : super(key: key);
 
   /// The [title] of the application, which is shown in the application's
   /// title bar.
-  final String title;
+  final String? title;
 
   @override
   _AppHomeState createState() => _AppHomeState();

permission_handler/example/pubspec.yaml

@@ -2,7 +2,7 @@ name: permission_handler_example
 description: Demonstrates how to use the permission_handler plugin.
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0-0 <3.0.0"
 
 dependencies:
   flutter:
@@ -15,7 +15,7 @@ dev_dependencies:
   permission_handler:
     path: ../
 
-  url_launcher: ^5.4.11
+  url_launcher: ^6.0.0-nullsafety.6
 
 flutter:
   uses-material-design: true

permission_handler/lib/permission_handler.dart

@@ -46,7 +46,8 @@ extension PermissionActions on Permission {
   ///
   /// Returns the new [PermissionStatus].
   Future<PermissionStatus> request() async {
-    return (await [this].request())[this];
+    final permissionStatus = (await [this].request())[this];
+    return permissionStatus!;
   }
 }
 

permission_handler/pubspec.yaml

 name: permission_handler
 description: Permission plugin for Flutter. This plugin provides a cross-platform (iOS, Android) API to request and check permissions.
-version: 5.1.0+2
+version: 6.0.0-nullsafety
 homepage: https://github.com/baseflowit/flutter-permission-handler
 
 flutter:
@@ -15,13 +15,13 @@ flutter:
 dependencies:
   flutter:
     sdk: flutter
-  meta: ^1.1.6
-  permission_handler_platform_interface: ^2.0.2
+  meta: ^1.3.0
+  permission_handler_platform_interface: ^3.0.0-nullsafety
 
 dev_dependencies:
-  effective_dart: ^1.2.1
-  plugin_platform_interface: ^1.0.1
+  effective_dart: ^1.3.0
+  plugin_platform_interface: ^1.0.3
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
+  sdk: ">=2.12.0-0 <3.0.0"
   flutter: ">=1.12.8 <2.0.0"