SwiftUI Drag & Drop で困った話

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ʲSansan ✖ YUMEMIʳiOSϥϯνLT 2024.11.14 SwiftUI Drag & Drop Ͱࠔͬͨ࿩ KAWASHIMA Yoshiyuki

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఻͍͑ͨ͜ͱ • iOS ΞϓϦ։ൃ͸೉͍͠

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λʔήοτ OS ͸ʁ

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iOS ΞϓϦ։ൃ͸೉͍͠

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೉͍ͯ͘͠͠Δ΋ͷ͸Կʁ

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iOS ͕ಘҙͱ͍ͯ͠Δ΋ͷ

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εΫϥοϓˍϏϧυ

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Ӭ͘ϝϯςφϯε͞ΕΔ΋ͷ͸ۤख

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։ൃظ͕ؒ௕͍ͱͦΕ͚ͩͰ ϛεϚον͕ൃੜ͠΍͍͢

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લఏ iOS ΞϓϦͷػೳͱͯ͠ Drag & Drop Λ࣮૷͢Δ͜ͱʹͳͬͨ SwiftUI ϕʔεͰ iOS 17 Ҏ্Λλʔήοτ

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/documentation/swiftui/making-a-view-into-a-drag-source

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/documentation/CoreTransferable/Transferable

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https://developer.apple.com/documentation/CoreTransferable/Transferable

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https://developer.apple.com/documentation/CoreTransferable/Transferable

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/jp/design/Human-Interface-Guidelines/drag-and-drop

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https://developer.apple.com/documentation/swiftui/view/draggable(_:)

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https://developer.apple.com/documentation/swiftui/view/draggable(_:)

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https://developer.apple.com/tutorials/app-dev-training/supporting-drag-and-drop/

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Drag & Drop ϋϯυϦϯά͕Ͱ͖ͳ͍

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https://developer.apple.com/documentation/swiftui/making-a-view-into-a-drag-source

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https://developer.apple.com/documentation/swiftui/making-a-view-into-a-drag-source

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https://developer.apple.com/documentation/swiftui/making-a-view-into-a-drag-source

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https://developer.apple.com/documentation/swiftui/view/dropdestination(for:action:istargeted:)

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https://developer.apple.com/documentation/swiftui/view/dropdestination(for:action:istargeted:)

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https://developer.apple.com/documentation/swiftui/view/dropdestination(for:action:istargeted:)

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΋͏গ͠ϋϯυϦϯά͍ͨ͠

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/documentation/swiftui/drag-and-drop

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https://developer.apple.com/documentation/foundation/nsitemprovider

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https://developer.apple.com/documentation/foundation/nsitemprovider

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https://developer.apple.com/documentation/foundation/nsitemprovider

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https://developer.apple.com/documentation/swiftui/view/ondrag(_:preview:)

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https://developer.apple.com/documentation/swiftui/view/ondrag(_:preview:)

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https://developer.apple.com/documentation/swiftui/dropdelegate

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DragDelegate ͸ͳ͍

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΋ͬͱϋϯυϦϯά͍ͨ͠

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https://developer.apple.com/documentation/swiftui/dropdelegate

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https://developer.apple.com/documentation/swiftui/dropdelegate

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https://developer.apple.com/documentation/swiftui/draggesture

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https://developer.apple.com/documentation/swiftui/draggesture

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https://developer.apple.com/documentation/swiftui/draggesture

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https://developer.apple.com/documentation/swiftui/draggesture

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https://developer.apple.com/documentation/swiftui/composing-swiftui-gestures

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https://developer.apple.com/documentation/swiftui/composing-swiftui-gestures

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https://developer.apple.com/documentation/swiftui/composing-swiftui-gestures

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https://developer.apple.com/documentation/swiftui/composing-swiftui-gestures

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https://developer.apple.com/documentation/swiftui/composing-swiftui-gestures

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https://developer.apple.com/documentation/swiftui/composing-swiftui-gestures

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SwiftUI Drag & Drop ซ༻͸Ͱ͖ͳ͍ API ࣮૷ ϋϯυϦϯά iOS 16 draggable/dropDestination ෆཁ Ͱ͖ͳ͍ iOS 14 onDrag/onDrop Ұ෦ඞཁ Drop͸Ͱ͖Δ iOS 13 DragGesture શͯ Ͱ͖Δ

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SwiftUI Drag & Drop Λ೉͍ͯ͘͠͠Δ΋ͷ • બ୒ࢶ͕͋ͬͯࣗ༝Ͱ͋Δ • ҰํͰλʔήοτ OS ʹΑͬͯ͸੍ݶ͕͋Δ • OS ʹΑͬͯৼΔ෣͍͕ҧ͏ • API ͕ෆ׬શʹ΋ײ͡Δ • ໰୊ͷ੾Γ෼͚΍൑அج४͕ఆ·Γʹ͍͘

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OS ʹΑͬͯҟͳΔৼΔ෣͍ • ScrollView + LazyVGrid + dropDestination • υϥοάͨ͠ΞΠςϜΛεΫϩʔϧͯ͠Ұ౓ϑϨʔϜΞ΢τͨ͠ dropDestination ʹυϩοϓ͕Ͱ͖ͳ͍ • iOS 17.5 Ͱൃੜ͢Δ • iOS 18 Ͱ͸ൃੜ͠ͳ͍ • Lazy Λ΍Ίͯ Stack Ͱ૊Ί͹ղফͰ͖Δ

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·ͱΊ • iOS ΞϓϦ։ൃͷείʔϓ͸Ͱ͖ΔݶΓখ͘͞͠Α͏ • ։ൃظؒ • ੜଘظؒ • ػೳ • εΫϥοϓˍϏϧυΛલఏʹܭը͠Α͏