[image_picker] Fix check for iOS 14+ authorization status (#6845)

* fix check for authorization status

* add unit tests and update release info

* update release info

Author: vashworth

packages/image_picker/image_picker_ios/CHANGELOG.md

@@ -1,3 +1,7 @@
+## 0.8.6+4
+
+* Fix authorization status check for iOS14+ so it includes `PHAuthorizationStatusLimited`.
+
 ## 0.8.6+3
 
 * Returns error on image load failure.

packages/image_picker/image_picker_ios/example/ios/RunnerTests/ImagePickerPluginTests.m

@@ -397,4 +397,46 @@ - (void)testSavesImages API_AVAILABLE(ios(14)) {
   [self waitForExpectationsWithTimeout:30 handler:nil];
 }
 
+- (void)testPickImageRequestAuthorization API_AVAILABLE(ios(14)) {
+  id mockPhotoLibrary = OCMClassMock([PHPhotoLibrary class]);
+  OCMStub([mockPhotoLibrary authorizationStatusForAccessLevel:PHAccessLevelReadWrite])
+      .andReturn(PHAuthorizationStatusNotDetermined);
+  OCMExpect([mockPhotoLibrary requestAuthorizationForAccessLevel:PHAccessLevelReadWrite
+                                                         handler:OCMOCK_ANY]);
+
+  FLTImagePickerPlugin *plugin = [[FLTImagePickerPlugin alloc] init];
+
+  [plugin pickImageWithSource:[FLTSourceSpecification makeWithType:FLTSourceTypeGallery
+                                                            camera:FLTSourceCameraFront]
+                      maxSize:[[FLTMaxSize alloc] init]
+                      quality:nil
+                 fullMetadata:@YES
+                   completion:^(NSString *result, FlutterError *error){
+                   }];
+  OCMVerifyAll(mockPhotoLibrary);
+}
+
+- (void)testPickImageAuthorizationDenied API_AVAILABLE(ios(14)) {
+  id mockPhotoLibrary = OCMClassMock([PHPhotoLibrary class]);
+  OCMStub([mockPhotoLibrary authorizationStatusForAccessLevel:PHAccessLevelReadWrite])
+      .andReturn(PHAuthorizationStatusDenied);
+
+  FLTImagePickerPlugin *plugin = [[FLTImagePickerPlugin alloc] init];
+
+  XCTestExpectation *resultExpectation = [self expectationWithDescription:@"result"];
+
+  [plugin pickImageWithSource:[FLTSourceSpecification makeWithType:FLTSourceTypeGallery
+                                                            camera:FLTSourceCameraFront]
+                      maxSize:[[FLTMaxSize alloc] init]
+                      quality:nil
+                 fullMetadata:@YES
+                   completion:^(NSString *result, FlutterError *error) {
+                     XCTAssertNil(result);
+                     XCTAssertEqualObjects(error.code, @"photo_access_denied");
+                     XCTAssertEqualObjects(error.message, @"The user did not allow photo access.");
+                     [resultExpectation fulfill];
+                   }];
+  [self waitForExpectationsWithTimeout:30 handler:nil];
+}
+
 @end

packages/image_picker/image_picker_ios/ios/Classes/FLTImagePickerPlugin.m

@@ -365,11 +365,13 @@ - (void)checkPhotoAuthorizationWithImagePicker:(UIImagePickerController *)imageP
 }
 
 - (void)checkPhotoAuthorizationForAccessLevel API_AVAILABLE(ios(14)) {
-  PHAuthorizationStatus status = [PHPhotoLibrary authorizationStatus];
+  PHAccessLevel requestedAccessLevel = PHAccessLevelReadWrite;
+  PHAuthorizationStatus status =
+      [PHPhotoLibrary authorizationStatusForAccessLevel:requestedAccessLevel];
   switch (status) {
     case PHAuthorizationStatusNotDetermined: {
       [PHPhotoLibrary
-          requestAuthorizationForAccessLevel:PHAccessLevelReadWrite
+          requestAuthorizationForAccessLevel:requestedAccessLevel
                                      handler:^(PHAuthorizationStatus status) {
                                        dispatch_async(dispatch_get_main_queue(), ^{
                                          if (status == PHAuthorizationStatusAuthorized) {

packages/image_picker/image_picker_ios/pubspec.yaml

@@ -2,7 +2,7 @@ name: image_picker_ios
 description: iOS implementation of the image_picker plugin.
 repository: https://github.com/flutter/plugins/tree/main/packages/image_picker/image_picker_ios
 issue_tracker: https://github.com/flutter/flutter/issues?q=is%3Aissue+is%3Aopen+label%3A%22p%3A+image_picker%22
-version: 0.8.6+3
+version: 0.8.6+4
 
 environment:
   sdk: ">=2.14.0 <3.0.0"