在SwiftUI视图上,我尝试显示一个简单的顶部蓝色条,一个红色矩形和一个下部条,如您从所附图片中看到的那样,顶部和顶部的红色矩形之间有一个奇怪的空白我想删除但我不知道为什么在那里。
这里是简单的代码:
var body: some View {
GeometryReader { geometry in
VStack {
//upper top bar
HStack{
Text("TOP BAR")
}.frame(width: geometry.size.width, height: geometry.size.height/10)
.background(LinearGradient(gradient: Gradient(colors: [Color("BlueW"), Color("DARK")]), startPoint: .topLeading, endPoint: .bottomTrailing).shadow(radius: 2)).edgesIgnoringSafeArea(.all)
// <<<<<<<<<<<<<<<<<<< PROBLEM HERE <<<<<<<<<<<<<<<<<<
// testing rectangle
Rectangle().foregroundColor(.red)
//lower bar
ZStack {
HStack {
Image(systemName: "house")
.resizable()
.aspectRatio(contentMode: .fit)
.padding(20)
.frame(width: geometry.size.width/3, height: 75)
.foregroundColor(self.viewRouter.currentView == "home" ? .black : .gray)
.onTapGesture {
self.viewRouter.currentView = "home"
}
ZStack {
Circle()
.foregroundColor(Color.white)
.frame(width: 75, height: 75)
Button(action: {
self.isAddPresented = true
}) {
Image(systemName: "plus.circle.fill")
.resizable()
.aspectRatio(contentMode: .fit)
.frame(width: 75, height: 75)
.foregroundColor(.green)
.rotationEffect(Angle(degrees: self.showPopUp ? 90 : 0))
}
.sheet(isPresented: self.$isAddPresented) {
AirportView(dm: self.dm, airport: self.general.airportData, dismissFlag: self.$isAddPresented)
}
}
.offset(y: -geometry.size.height/10/2)
.onTapGesture {
withAnimation {
self.showPopUp.toggle()
}
}
Image(systemName: "paperplane.fill")
.resizable()
.aspectRatio(contentMode: .fit)
.padding(20)
.frame(width: geometry.size.width/3, height: 75)
.foregroundColor(self.viewRouter.currentView == "routekit" ? .black : .gray)
.onTapGesture {
self.viewRouter.currentView = "routekit"
}
}.frame(width: geometry.size.width, height: geometry.size.height/10)
.background(LinearGradient(gradient: Gradient(colors: [Color("BlueW"), Color("DARK")]), startPoint: .topLeading, endPoint: .bottomTrailing).shadow(radius: 2))
}
}
}.edgesIgnoringSafeArea(.bottom)
}
空格归因于VStack
的默认间距。要删除它,您只需在最顶部的spacing: 0
定义中添加VStack
,如下所示:
VStack(spacing: 0) {
...
}