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annotate Simoleon/ContentView.swift @ 50:7a6a7c677851

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Handle errors with alerts
author Dennis Concepción Martín <dennisconcepcionmartin@gmail.com>
date Mon, 26 Jul 2021 21:52:15 +0100
parents 2eb05f396fcd
children b0bce2c8e4a9
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1 //
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2 // ContentView.swift
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3 // Simoleon
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4 //
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5 // Created by Dennis Concepción Martín on 15/07/2021.
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6 //
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7
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8 import SwiftUI
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10 struct ContentView: View {
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11 @Environment(\.managedObjectContext) private var viewContext
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12 @FetchRequest(sortDescriptors: []) private var defaultCurrency: FetchedResults<DefaultCurrency>
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14 @State private var tab: Tab = .convert
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16 var body: some View {
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17 TabView(selection: $tab) {
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18 Conversion(currencyPair: defaultCurrency.first?.pair ?? "USD/GBP")
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19 .tabItem {
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20 Text("Convert", comment: "Tab bar button to show conversion")
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21 Image(systemName: "arrow.counterclockwise.circle")
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22 }
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23 .tag(Tab.convert)
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24 .accessibilityIdentifier("Convert")
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25
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26 Favourites()
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27 .tabItem {
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28 Text("Favourites", comment: "Tab bar button to show favourites")
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29 Image(systemName: "star")
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30 }
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31 .tag(Tab.favourites)
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32 .accessibilityIdentifier("Favourites")
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34 Settings()
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35 .tabItem {
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36 Text("Settings", comment: "Tab bar button to show settings")
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37 Image(systemName: "gear")
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38 }
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39 .tag(Tab.settings)
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40 .accessibilityIdentifier("Settings")
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41 }
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42 }
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44 private enum Tab {
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45 case convert, favourites, settings
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46 }
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47 }
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48
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49 struct ContentView_Previews: PreviewProvider {
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50 static var previews: some View {
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51 ContentView()
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52 }
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53 }