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【Swift】SwiftUIでColorをUserDefaultsに保存(メモ)

Last updated at Posted at 2020-10-07

SwiftUI使用時ColorをUserDefaultsに保存する実装メモ

環境

  • Xcode: 12.0
  • Swift5

実装例

Color→cgColor→RGB値にして保存

        let userDefaults = UserDefaults.standard
        let color = Color.orange
        if let components = color.cgColor?.components {
            userDefaults.setValue(components[0], forKey: "RColor")
            userDefaults.setValue(components[1], forKey: "GColor")
            userDefaults.setValue(components[2], forKey: "BColor")
        }

使用時はUserDefaultsからDouble型で値を取り出し、
以下のようにRGBからColorを生成するだけ

let color = Color(.sRGB, red: RColor, green: GColor, blue: BColor, opacity: 1.0)
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