GeometryReader in SwiftUI: An Annoying Nightmare

GeometryReader in SwiftUI: An Annoying Nightmare
SwiftUI Camp (50% OFF) 👉 store.rebeloper.com/swiftuica...
SwiftUI's GeometryReader can be challenging to work with due to its flexible and dynamic nature. While it offers powerful capabilities for creating responsive user interfaces by allowing views to adapt to the size and shape of their container, its reliance on coordinate spaces and relative sizing can lead to complexities in layout and positioning.
As a result, mastering GeometryReader necessitates a significant investment of time and effort to harness its full potential while navigating its inherent complexities. This is where this video will help.
00:00 INTRODUCTION
00:28 WHAT'S IS GEOMETRY READER
04:38 BETTER THAN GEOMETRY READER - GEOMETRY STACK
06:08 SWIFTUI CAMP
06:53 CENTER GEOMETRY READER CONTENTS
08:10 ADD AXIS TO GEOMETRY STACK
11:12 SET A CONTENT FOR GEOMETRY STACK
13:05 SET ALIGNMENT IN GEOMETRY STACK
19:15 SET SPACING FOR THE GEOMETRY STACK
23:45 WHERE TO GO FROM HERE
→ PLAYLIST:
SwiftUI Camp April 2024 👉 • GeometryReader in Swif...
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[@rebeloper]

🤦‍♂ Forgot to move the proxy out. Here's the updated code (see the GeometryProxy added):
import SwiftUI
struct ContentView: View {
var body: some View {
GeometryStack(.top(spacing: 50)) { proxy in
Color.teal
Text("GeometryStack: \(proxy.size)")
}
}
}
#Preview {
ContentView()
}
struct GeometryStack: View {
private var axis: GeometryStackAxis
@ViewBuilder private var content: (GeometryProxy) -> Content
private var verticalAlignment: VerticalAlignment
private var horizontalAlignment: HorizontalAlignment
private var spacing: CGFloat?
init(_ alignment: GeometryStackAlignment = .verticalCentered(spacing: nil),
@ViewBuilder content: @escaping (GeometryProxy) -> Content) {

switch alignment {
case .leading(let spacing):
self.horizontalAlignment = .leading
self.verticalAlignment = .center
self.spacing = spacing
self.axis = .vertical
case .trailing(let spacing):
self.horizontalAlignment = .trailing
self.verticalAlignment = .center
self.spacing = spacing
self.axis = .vertical
case .verticalCentered(let spacing):
self.horizontalAlignment = .center
self.verticalAlignment = .center
self.spacing = spacing
self.axis = .vertical
case .top(let spacing):
self.horizontalAlignment = .center
self.verticalAlignment = .top
self.spacing = spacing
self.axis = .horizontal
case .bottom(let spacing):
self.horizontalAlignment = .center
self.verticalAlignment = .bottom
self.spacing = spacing
self.axis = .horizontal
case .horizontalCentered(let spacing):
self.horizontalAlignment = .center
self.verticalAlignment = .center
self.spacing = spacing
self.axis = .horizontal
case .depth:
self.horizontalAlignment = .center
self.verticalAlignment = .center
self.axis = .depth
}
self.content = content
}
var body: some View {
GeometryReader { proxy in
Group {
switch axis {
case .vertical:
VStack(alignment: horizontalAlignment, spacing: spacing) {
content(proxy)
}
case .horizontal:
HStack(alignment: verticalAlignment, spacing: spacing) {
content(proxy)
}
case .depth:
ZStack {
content(proxy)
}
}
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
}
}
enum GeometryStackAxis {
case vertical, horizontal, depth
}
enum GeometryStackAlignment {
case leading(spacing: CGFloat?), trailing(spacing: CGFloat?), verticalCentered(spacing: CGFloat?)
case top(spacing: CGFloat?), bottom(spacing: CGFloat?), horizontalCentered(spacing: CGFloat?)
case depth
}
}

[@rebeloper]

STOP using NavigationStack in SwiftUI - Navigation Coordinator is BETTER 👉 czcams.com/video/z5IBKIGIIzA/video.html&ab_channel=Rebeloper-RebelDeveloper

[@superNovaThere]

Complete wate of time.

[@rebeloper]

:(