photokit - How to load raw image using PHPicker in iOS programmatically?

Question

I can load normal images: public.image types.
The Apple proRaw(adobe raw image type: DNG format) can be used in iPhone 12 series.
So, I captured with RAW image and I want to load the DNG file from app.
But I can't load the image using PHPicker. Normally, the codes below.

PHPickerConfiguration *configuration = [[PHPickerConfiguration alloc] init];
configuration.filter = [PHPickerFilter anyFilterMatchingSubfilters:@[[PHPickerFilter imagesFilter], [PHPickerFilter livePhotosFilter]]];

PHPickerViewController *pickerController = [[PHPickerViewController alloc] initWithConfiguration:configuration];
pickerController.delegate = self;
[pickerController setModalPresentationStyle:UIModalPresentationCustom];
[pickerController setModalTransitionStyle:UIModalTransitionStyleCrossDissolve];
[viewController presentViewController:pickerController animated:YES completion:nil];

-(void)picker:(PHPickerViewController *)picker didFinishPicking:(NSArray<PHPickerResult *> *)results API_AVAILABLE(ios(14)) {
    [picker dismissViewControllerAnimated:YES completion:nil];
    
    PHPickerResult *result = [results firstObject];
    
    if ([result.itemProvider canLoadObjectOfClass:[UIImage class]]) {       // 1
        [result.itemProvider loadObjectOfClass:[NSObject class] completionHandler:^(__kindof id<NSItemProviderReading>  _Nullable object, NSError * _Nullable error) {
            if ([object isKindOfClass:[UIImage class]]) {
                UIImage *image = object;
                ...
            }
        }];
    }

In comment 1 line, returned NO.
How to load raw image using PHPicker?

question from:https://stackoverflow.com/questions/65896083/how-to-load-raw-image-using-phpicker-in-ios-programmatically

Answer 1

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