2020-10-19 Apple Watch開発系 Swift Apple Watch Swift UI https://developer.apple.com/tutorials/swiftui/creating-a-watchos-app 古い?TODO https://pusher.com/tutorials/to-do-list-apple-watch#building-our-watchos-app Qiita watchOS 6 の注目点をふまえてSwiftUIでWatch Appを作ってみた!! - Qiita