Update readme file

README.md

@@ -31,7 +31,7 @@ dependencies:
 
 ### Requesting permission
 
-``` dart
+```dart
 import 'package:permission_handler/permission_handler.dart';
 
 Map<PermissionGroup, PermissionStatus> permissions = await PermissionHandler().requestPermissions([PermissionGroup.contacts]);
@@ -39,7 +39,7 @@ Map<PermissionGroup, PermissionStatus> permissions = await PermissionHandler().r
 
 ### Checking permission
 
-``` dart
+```dart
 import 'package:permission_handler/permission_handler.dart';
 
 PermissionStatus permission = await PermissionHandler().checkPermissionStatus(PermissionGroup.contacts);
@@ -47,7 +47,7 @@ PermissionStatus permission = await PermissionHandler().checkPermissionStatus(Pe
 
 ### Checking service status
 
-``` dart
+```dart
 import 'package:permission_handler/permission_handler.dart';
 
 ServiceStatus serviceStatus = await PermissionHandler().checkServiceStatus(PermissionGroup.location);
@@ -57,7 +57,7 @@ Checking the service status only makes sense for the `PermissionGroup.location`
 
 ### Open app settings
 
-``` dart
+```dart
 import 'package:permission_handler/permission_handler.dart';
 
 bool isOpened = await PermissionHandler().openAppSettings();
@@ -65,7 +65,7 @@ bool isOpened = await PermissionHandler().openAppSettings();
 
 ### Show a rationale for requesting permission (Android only)
 
-``` dart
+```dart
 import 'package:permission_handler/permission_handler.dart';
 
 bool isShown = await PermissionHandler().shouldShowRequestPermissionRationale(PermissionGroup.contacts);
@@ -77,7 +77,7 @@ This will always return `false` on iOS.
 
 Defines the permission groups for which permissions can be checked or requested.
 
-``` dart
+```dart
 enum PermissionGroup {
   /// The unknown permission only used for return type, never requested
   unknown,
@@ -148,7 +148,7 @@ enum PermissionGroup {
 
 Defines the state of a permission group
 
-``` dart
+```dart
 enum PermissionStatus {
   /// Permission to access the requested feature is denied by the user.
   denied,
@@ -167,6 +167,27 @@ enum PermissionStatus {
 }
 ```
 
+### Overview of possible service statuses
+
+Defines the state of the backing service for the supplied permission group
+
+```dart
+/// Defines the state of a service related to the permission group
+enum ServiceStatus {
+  /// The unknown service status indicates the state of the service could not be determined.
+  unknown,
+
+  /// There is no service for the supplied permission group.
+  notApplicable,
+
+  /// The service for the supplied permission group is disabled.
+  disabled,
+
+  /// The service for the supplied permission group is enabled.
+  enabled
+}
+```
+
 ## Issues
 
 Please file any issues, bugs or feature request as an issue on our [GitHub](https://github.com/BaseflowIT/flutter-permission-handler/issues) page.

lib/permission_enums.dart

@@ -23,7 +23,7 @@ enum ServiceStatus {
   /// The unknown service status indicates the state of the service could not be determined.
   unknown,
 
-  /// There is not separate service for the supplied permission group.
+  /// There is no service for the supplied permission group.
   notApplicable,
 
   /// The service for the supplied permission group is disabled.