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问题描述
我创建列表并在其中添加 VStack 并在 VStack 中添加了一些视图.当我运行该项目时,我观察到 List 的滚动超出了安全区域.仅供参考,如果我删除 Frame 属性,结果仍然相同.
struct ContentView : View {var主体:一些视图{List(0..<5) { 项目在HStack(对齐:VerticalAlignment.top,间距:5){图像(系统名称:照片")VStack(对齐:HorizontalAlignment.leading,间距:10){文本(美国").font(.headline)Text("这是一个非常长的字符串,即使是最宽的手机也永远无法容纳.摘录自:Paul Hudson.SwiftUI 示例".Apple Books.").lineLimit(nil).font(.subheadline)}}}.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity).background(颜色.红色).onAppear() {打印(出现")}.onDisappear() {打印(消失")}.padding(.top)}}
I Create List and add VStack inside and added some views inside VStack. When I run the project, I observer scrolling of List going beyond the safe area. FYI if I remove Frame property still same result.Simulator gif
struct ContentView : View {
var body: some View {
List(0..<5) { item in
HStack(alignment: VerticalAlignment.top, spacing: 5) {
Image(systemName: "photo")
VStack(alignment: HorizontalAlignment.leading, spacing: 10) {
Text("USA")
.font(.headline)
Text("This is an extremely long string that will never fit even the widest of Phones Excerpt From: Paul Hudson. "SwiftUI by Example". Apple Books. ")
.lineLimit(nil)
.font(.subheadline)
}
}
}
.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
.background(Color.red)
.onAppear() {
print("on Appear")
}.onDisappear() {
print("on Disappear")
}
}
}
解决方案
Inspired by Shauket Sheikh. You can directly add the .padding(.top) to the List and it's done. No need for a VStack.
struct ContentView : View {
var body: some View {
List(0..<5) { item in
HStack(alignment: VerticalAlignment.top, spacing: 5) {
Image(systemName: "photo")
VStack(alignment: HorizontalAlignment.leading, spacing: 10) {
Text("USA")
.font(.headline)
Text("This is an extremely long string that will never fit even the widest of Phones Excerpt From: Paul Hudson. "SwiftUI by Example". Apple Books. ")
.lineLimit(nil)
.font(.subheadline)
}
}
}
.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
.background(Color.red)
.onAppear() {
print("on Appear")
}.onDisappear() {
print("on Disappear")
}
.padding(.top)
}
}
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