[LocationPermission] Fix warning UI unresponsive in mainthread when c… (#1329)

* [LocationPermission] Fix warning UI unresponsive in mainthread when calling locationServicesEnabled

* fix issue #1002: bump version, fix Xcode location check warning

* fix issue #1002: Xcode warning of the unresponsive of main thread when checking location state

* bump version to 11.3.2

* bump version to 11.3.2: update changelog and fix #1002

* update permission_handler_apple dependency to minimum 9.4.5

* revert permission_handler_apple dependency

* revert CHANGELOG.md

* revert pubspec.yaml

permission_handler_apple/CHANGELOG.md

+## 9.4.5
+
+* Fixes issue #1002, Xcode warning of the unresponsive of main thread when checking isLocationEnabled.
+  
 ## 9.4.4
 
 * Fixes potentially-nil return type of EventPermissionStrategy#getEntityType.

permission_handler_apple/ios/Classes/strategies/LocationPermissionStrategy.m

@@ -36,7 +36,13 @@ NSString *const UserDefaultPermissionRequestedKey = @"org.baseflow.permission_ha
 }
 
 - (void)checkServiceStatus:(PermissionGroup)permission completionHandler:(ServiceStatusHandler)completionHandler {
-    completionHandler([CLLocationManager locationServicesEnabled] ? ServiceStatusEnabled : ServiceStatusDisabled);
+    dispatch_async(dispatch_get_global_queue( DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
+        BOOL isEnabled = [CLLocationManager locationServicesEnabled];
+
+        dispatch_async(dispatch_get_main_queue(), ^(void) {
+            completionHandler(isEnabled ? ServiceStatusEnabled : ServiceStatusDisabled);
+        });
+    });
 }
 
 - (void)requestPermission:(PermissionGroup)permission completionHandler:(PermissionStatusHandler)completionHandler errorHandler:(PermissionErrorHandler)errorHandler {

permission_handler_apple/pubspec.yaml

@@ -2,7 +2,7 @@ name: permission_handler_apple
 description: Permission plugin for Flutter. This plugin provides the iOS API to request and check permissions.
 repository: https://github.com/baseflow/flutter-permission-handler
 issue_tracker: https://github.com/Baseflow/flutter-permission-handler/issues
-version: 9.4.4
+version: 9.4.5
 
 environment:
   sdk: ">=2.15.0 <4.0.0"