38 lines
1.1 KiB
Swift
38 lines
1.1 KiB
Swift
import SwiftUI
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import UIKit
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// 包装UIImageView以支持APNG动画
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struct APNGView: UIViewRepresentable {
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let imageName: String
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@Binding var isAnimating: Bool
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func makeUIView(context: Context) -> UIImageView {
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let imageView = UIImageView()
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// 从资源加载APNG
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if let image = UIImage(named: imageName) {
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imageView.image = image
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// 启用动画
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imageView.animationImages = image.images
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// 设置动画时长（根据实际帧数调整）
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imageView.animationDuration = image.duration
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// 根据isAnimating状态决定是否开始动画
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if isAnimating {
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imageView.startAnimating()
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}
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}
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return imageView
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}
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func updateUIView(_ uiView: UIImageView, context: Context) {
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// 根据isAnimating状态控制动画
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if isAnimating {
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if !uiView.isAnimating {
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uiView.startAnimating()
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}
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} else {
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uiView.stopAnimating()
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}
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}
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} |