Swiftui 将懒散网格中的最后一行居中
在Swiftui 将懒散网格中的最后一行居中,swiftui,lazyvgrid,Swiftui,Lazyvgrid,在LazyVGrid中,我显示来自服务器的数据(这里我以字母表为例),如果最后一行包含少于3个项目,我的目标是显示中间的最后一行,而不是前导。这可行吗 目前看起来是这样的: 目标: 缓慢加载每个单元 struct ContentView: View { let alphabet = ["A", "B", "C", "D", "E", "F", "G"
LazyVGrid
中,我显示来自服务器的数据(这里我以字母表为例),如果最后一行包含少于3个项目,我的目标是显示中间的最后一行,而不是前导
。这可行吗
目前看起来是这样的:
目标:
缓慢加载每个单元
struct ContentView: View {
let alphabet = ["A", "B", "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"]
let preference = [
GridItem(.flexible()),
GridItem(.flexible()),
GridItem(.flexible())
]
var body: some View {
ScrollView {
LazyVGrid(columns: preference) {
ForEach(alphabet.dropLast(alphabet.count % 3), id: \.self) { value in
Cell(value: value)
}
}
LazyHStack {
ForEach(alphabet.suffix(alphabet.count % 3), id: \.self) { value in
Cell(value: value)
}
}
}
}
}
提取单元视图以实现重用
struct Cell: View {
let value: String
var body: some View {
print(value)
return ZStack {
Rectangle()
.frame(width: 120, height: 120)
.foregroundColor(Color(UIColor.systemIndigo))
.cornerRadius(16)
Text(value)
.foregroundColor(.white)
.font(.title)
}
}
}
即使设备是横向的,也应该只有3列吗?@Yodagama谢谢你的提问!现在,让我们想想这个应用程序只支持肖像模式。
struct Cell: View {
let value: String
var body: some View {
print(value)
return ZStack {
Rectangle()
.frame(width: 120, height: 120)
.foregroundColor(Color(UIColor.systemIndigo))
.cornerRadius(16)
Text(value)
.foregroundColor(.white)
.font(.title)
}
}
}