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Update LottieView to display placeholder using overlay instead of ZSt…
…ack (airbnb#2289)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| // Created by miguel_jimenez on 1/19/24. | ||
| // Copyright © 2024 Airbnb Inc. All rights reserved. | ||
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| import Lottie | ||
| import SwiftUI | ||
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| // MARK: - SwiftUIInteroperabilityDemoView | ||
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| struct SwiftUIInteroperabilityDemoView: View { | ||
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| var body: some View { | ||
| List { | ||
| Demo(name: "On appear offset animation") { | ||
| OnAppearOffsetAnimation() | ||
| } | ||
|
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| Demo(name: "Placeholder size inheritance") { | ||
| PlaceholderSizeInheritance() | ||
| } | ||
| } | ||
| .navigationTitle("SwiftUI Interoperability Demo") | ||
| } | ||
| } | ||
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| // MARK: - Demo | ||
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| struct Demo<Content: View>: View { | ||
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| // MARK: Lifecycle | ||
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| init(name: String, @ViewBuilder content: () -> Content) { | ||
| self.name = name | ||
| self.content = content() | ||
| } | ||
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| // MARK: Internal | ||
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| let name: String | ||
| let content: Content | ||
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| var body: some View { | ||
| VStack(alignment: .leading) { | ||
| Text(name) | ||
| .frame(alignment: .top) | ||
| Spacer() | ||
| HStack(alignment: .center) { | ||
| Button(show ? "Hide" : "Show") { | ||
| show.toggle() | ||
| } | ||
| if show { | ||
| content | ||
| } | ||
| } | ||
| Spacer() | ||
| } | ||
| .frame(height: 150) | ||
| } | ||
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| // MARK: Private | ||
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| @State private var show = false | ||
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| } | ||
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| // MARK: - OnAppearOffsetAnimation | ||
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| /// Demonstrates how `LottieView` is animated by the `.offset` modifier. | ||
| struct OnAppearOffsetAnimation: View { | ||
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| @State private var demo1Appeared = false | ||
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| var body: some View { | ||
| LottieView { | ||
| try await DotLottieFile.named("Samples/DotLottie/multiple_animations.lottie") | ||
| } placeholder: { | ||
| LoadingIndicator() | ||
| } | ||
| .looping() | ||
| .resizable() | ||
| .frame(width: 100, height: 100) | ||
| .offset(x: demo1Appeared ? 0 : 300) | ||
| .onAppear { | ||
| withAnimation { | ||
| demo1Appeared = true | ||
| } | ||
| } | ||
| } | ||
| } | ||
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| // MARK: - PlaceholderSizeInheritance | ||
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| /// Demonstrates how the placeholder's `Rectangle` get's its size from it's parent. | ||
| struct PlaceholderSizeInheritance: View { | ||
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| var body: some View { | ||
| HStack(alignment: .top) { | ||
| LottieView { | ||
| await LottieAnimation | ||
| .loadedFrom(url: URL(string: "https://a0.muscache.com/pictures/96699af6-b73e-499f-b0f5-3c862ae7d126.json")!) | ||
| } placeholder: { | ||
| Rectangle() | ||
| .fill(.red) | ||
| .cornerRadius(20) | ||
| } | ||
| .resizable() | ||
| .frame(width: 100, height: 100) | ||
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| LottieView { | ||
| await LottieAnimation | ||
| .loadedFrom(url: URL(string: "https://a0.muscache.com/pictures/96699af6-b73e-499f-b0f5-3c862ae7d126.json")!) | ||
| } placeholder: { | ||
| Rectangle() | ||
| .fill(.red) | ||
| .cornerRadius(10) | ||
| } | ||
| .resizable() | ||
| .frame(width: 50, height: 50) | ||
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| LottieView { | ||
| await LottieAnimation | ||
| .loadedFrom(url: URL(string: "https://a0.muscache.com/pictures/96699af6-b73e-499f-b0f5-3c862ae7d126.json")!) | ||
| } placeholder: { | ||
| Rectangle() | ||
| .fill(.red) | ||
| .cornerRadius(3) | ||
| } | ||
| .resizable() | ||
| .frame(width: 10, height: 10) | ||
| } | ||
| } | ||
| } |
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