μʔΫϞʔυରԠɺ։ນ
dynamic imageͷͭ͘Γ͔ͨ
▸ UIImageAssetΛ࡞Ε͍͚Δʂ
let imageAsset = UIImageAsset()
imageAsset.register(lightImage, with: lightTraitCollection)
imageAsset.register(darkImage, with: darkTraitCollection)
let image = imageAsset.image(with: UITraitCollection.current)