Permission Manager / Location Settings intent nullpointer fix (#666)

* Fixed the nullpointer exception in the Permission result handler method

* updated the changelog and pubspec files

Co-authored-by: floris smit <florissmit@floriss-Air.localdomain>

permission_handler/CHANGELOG.md

+## 8.1.6
+
+* Android: Fixed a `NullPointerException` when changing permissions in the Location Settings intent.
+
 ## 8.1.5
 * Android: Fixed deprecation warnings/errors when `compileSdkVersion` was set to 31 (Android S/12).
 

permission_handler/android/src/main/java/com/baseflow/permissionhandler/PermissionManager.java

@@ -104,6 +104,10 @@ final class PermissionManager implements PluginRegistry.ActivityResultListener,
             return false;
         }
 
+        if (requestResults == null) {
+           return false;
+        }
+
         for (int i = 0; i < permissions.length; i++) {
             final String permissionName = permissions[i];
 

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: 8.1.5
+version: 8.1.6
 homepage: https://github.com/baseflowit/flutter-permission-handler
 
 flutter: