我正在尝试建立一个带有进度条和状态图标的列表。我想为图标设置动画以指示某些下载活动正在进行中。但是,当我应用动画时,它也会影响进度条并使其动画化。
这是列表视图的代码:
List(syncProgres.downloadQueue) { mediaFile in
VStack(alignment: .leading) {
Text(mediaFile.path).font(.callout).lineLimit(2).truncationMode(.middle)
Spacer()
ProgressView(value: Double(mediaFile.downloadedBytes) / Double(mediaFile.downloadTotalBytes))
HStack {
Text("\(MiscUtils.toHumanReadable(bytes: mediaFile.downloadedBytes)) of \(MiscUtils.toHumanReadable(bytes: mediaFile.downloadTotalBytes))").font(.footnote)
Spacer()
Image(systemName: "arrow.down.doc").opacity(opacity)
.onAppear {
let baseAnimation = Animation.linear(duration: 1)
let repeated = baseAnimation.repeatForever(autoreverses: true)
withAnimation(repeated) {
opacity = 0.2
}
}
}
}.frame(height: 80, alignment: .center)
}