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RootView.swift
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RootView.swift
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import SwiftUI
import RssReader
struct RootView: View {
@EnvironmentObject var store: ObservableFeedStore
@SwiftUI.State var errorMessage: String?
var body: some View {
ZStack {
NavigationView {
MainFeedView()
}.zIndex(0)
if let errorMessage = self.errorMessage {
VStack {
Spacer()
Text(errorMessage)
.foregroundColor(.white)
.padding(10.0)
.background(Color.black)
.cornerRadius(3.0)
}
.padding(.bottom, 10)
.zIndex(1)
.transition(.asymmetric(insertion: .move(edge: .bottom), removal: .opacity) )
}
}
.navigationViewStyle(StackNavigationViewStyle())
.onReceive(store.$sideEffect) { value in
if let errorMessage = (value as? FeedSideEffect.Error)?.error.message {
withAnimation { self.errorMessage = errorMessage }
DispatchQueue.main.asyncAfter(deadline: .now() + 2.0) {
withAnimation { self.errorMessage = nil }
}
}
}
}
}