There seems to be a bug with SwiftUI's TabView
when used with .tabViewStyle(.page)
and any animated .transition()
that moves the view horizontally (e.g. .move(edge: .leading/.trailing))
, .slide
, .offset()
, etc.) in landscape orientation.
When the tab view transitions in, the content appears off-center and the animation goes back and forth before it stabilizes.
import SwiftUI
struct ContentView: View {
@State private var showTabView = false
var body: some View {
VStack {
Button("Toggle TabView") {
showTabView.toggle()
}
Spacer()
if showTabView {
TabView {
Text("Page One")
Text("Page Two")
}
.tabViewStyle(.page)
.transition(.slide)
}
}
.animation(.default, value: showTabView)
}
}
#Preview {
ContentView()
}
@main
struct TabViewTransitionBugApp: App {
var body: some Scene {
WindowGroup {
ContentView()
}
}
}
Tested on Xcode 15.3 (15E204a), iOS 17.3.1 iPhone, iOS 17.4 Simulator.
Bug report FB13687638 filed with Apple.