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I cannot figure out the proper format necessary to define a predicate for an instance of PHFetchOptions. I've tried so many combinations but they either do not compile or no assets are returned.
The goal is to get only the photos (no videos) in a given collection:
let options = PHFetchOptions()
options.predicate = NSPredicate(format: "mediaType = %i", "PHAssetMediaType.Image")
assetsFetchResults = PHAsset.fetchAssetsInAssetCollection(assetCollection, options: options)
I've tried all combinations of ==, %d, %@, PHAssetMediaTypeImage, "PHAssetMediaTypeImage", PHAssetMediaType.Image, etc.
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In Swift, constructors skip the "blahWith…" part and just use the class name as a function and then go straight to the arguments, so [NSPredicate predicateWithFormat: …] would become NSPredicate(format: …) . (For another example, [NSArray arrayWithObject: …] would become NSArray(object: …) .
A definition of logical conditions for constraining a search for a fetch or for in-memory filtering.
options.predicate = NSPredicate(format: "mediaType = %d", PHAssetMediaType.Image.rawValue)
Of course I figure it out, right after posting. ;)
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