更改特定列表元素的颜色SwiftUI [英] Changing the colour of specific list elements SwiftUI
本文介绍了更改特定列表元素的颜色SwiftUI的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我的应用中有一个玩家"列表,我希望他们中的一些人根据他们的属性拥有不同的背景颜色.
I have a list of 'players' in my app, and I want to some of them to have a different background colour depending on their properties.
每个Player对象都有一个.active属性,该属性为true或false.根据此值,我希望该行的背景为浅灰色,而不是其他背景的白色.我该怎么做?我希望它会像这样简单:
Every Player object has a .active property that is either true or false. Depending on this value I want the background of that row to be a light grey rather than the white of the others. How would I do this? I was hoping it would be as simple as:
List(homeTeam.players) {player in
HStack{
Text("\(player.shirtNumber) - \(player.playerName)")
Spacer()
Text("\(player.timerText)")
}
}
推荐答案
可以使用 listRowBackground
修饰符来实现(但您需要使用 ForEach
而不是直接列出
).
It is possible to achieve with listRowBackground
modifier (but you need to use ForEach
instead of List
directly).
List {
ForEach(homeTeam.players) {player in
HStack{
Text("\(player.shirtNumber) - \(player.playerName)")
Spacer()
Text("\(player.timerText)")
}
.listRowBackground(player.active ? Color(UIColor.lightGray) :
Color(UIColor.systemBackground))
}
}
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