iOS SwiftUI開発アプリ エーオーシステム株式会社

ConstValue.swift

//
//  ConstValue.swift
//  Roulette
//
//  Created by akira ohmachi on 2021/04/03.
//

import SwiftUI

class ConstValue: ObservableObject {
    
    //background
    static let colorBg: Color = Color.init(red:0.59,green:0.51,blue:0.33)
    
    //button color
    static let colorStart: Color = Color.init(red:0.238, green:0.77, blue:0.387)
    static let colorSetting: Color = Color.init(red:0.543, green:0.77, blue:0.289)
    
    static let colorArcArray: Array<Color> = [
            Color.init(red: 234 / 256, green: 123 / 256, blue: 132 / 256),
            Color.init(red: 240 / 256, green: 196 / 256, blue: 123 / 256),
            Color.init(red: 247 / 256, green: 239 / 256, blue: 123 / 256),
            Color.init(red: 192 / 256, green: 217 / 256, blue: 139 / 256),
            Color.init(red: 123 / 256, green: 197 / 256, blue: 156 / 256),
            Color.init(red: 123 / 256, green: 201 / 256, blue: 235 / 256),
            Color.init(red: 123 / 256, green: 173 / 256, blue: 211 / 256),
            Color.init(red: 138 / 256, green: 139 / 256, blue: 189 / 256),
            Color.init(red: 194 / 256, green: 127 / 256, blue: 186 / 256),
            Color.init(red: 233 / 256, green: 123 / 256, blue: 185 / 256),
    ]
    static let colorArcs: Array<Color> = [
        colorArcArray[0],
        colorArcArray[2],
        colorArcArray[4],
        colorArcArray[6],
        colorArcArray[8],
        colorArcArray[1],
        colorArcArray[3],
        colorArcArray[5],
        colorArcArray[7],
        colorArcArray[9],
        colorArcArray[0],
        colorArcArray[2],
        colorArcArray[4],
        colorArcArray[6],
        colorArcArray[8],
        colorArcArray[1],
        colorArcArray[3],
        colorArcArray[5],
        colorArcArray[7],
        colorArcArray[9],
    ]

    static let colorArcDarkArray: Array<Color> = [
            Color.init(red: 222 / 256, green:   0 / 256, blue:  17 / 256),
            Color.init(red: 234 / 256, green: 145 / 256, blue:   0 / 256),
            Color.init(red: 247 / 256, green: 232 / 256, blue:   0 / 256),
            Color.init(red: 137 / 256, green: 188 / 256, blue:  30 / 256),
            Color.init(red:   0 / 256, green: 147 / 256, blue:  66 / 256),
            Color.init(red:   0 / 256, green: 154 / 256, blue: 225 / 256),
            Color.init(red:   0 / 256, green: 101 / 256, blue: 176 / 256),
            Color.init(red:  28 / 256, green:  31 / 256, blue: 131 / 256),
            Color.init(red: 140 / 256, green:   7 / 256, blue: 126 / 256),
            Color.init(red: 220 / 256, green:   0 / 256, blue: 123 / 256),
	]

    static let colorArcDarks: Array<Color> = [
        colorArcDarkArray[0],
        colorArcDarkArray[2],
        colorArcDarkArray[4],
        colorArcDarkArray[6],
        colorArcDarkArray[8],
        colorArcDarkArray[1],
        colorArcDarkArray[3],
        colorArcDarkArray[5],
        colorArcDarkArray[7],
        colorArcDarkArray[9],
        colorArcDarkArray[0],
        colorArcDarkArray[2],
        colorArcDarkArray[4],
        colorArcDarkArray[6],
        colorArcDarkArray[8],
        colorArcDarkArray[1],
        colorArcDarkArray[3],
        colorArcDarkArray[5],
        colorArcDarkArray[7],
        colorArcDarkArray[9],
    ]

}

ContentView.swift

//
//  ContentView.swift
//  Roulette
//
//  Created by akira ohmachi on 2021/04/03.
//

import SwiftUI

struct ContentView: View {
    @EnvironmentObject var pub: PublicManager
    @State private var choiceResult: String = "result"
    @State private var busyFlag: Bool = false
    @State private var destroyFlag: Bool = false
    @State private var colorBg: Color = Color.white
    @State private var itemRateSum: Double = 0.0
    @State private var currentItems: Array<PublicManager.Item> = []
    @State private var actionState: Int = 0
    @State private var actionCount: Int = 0
    @State private var actionAngle: Double = 0.0
    struct ArcState {
        var start: Double
        var end: Double
        var color1: Color
        var color2: Color
        var name: String
        init(start: Double, end: Double, color1: Color, color2: Color, name: String) {
            self.start = start
            self.end = end
            self.color1 = color1
            self.color2 = color2
            self.name = name
        }
        func isDraw() -> Bool {
            if self.start == 0.0 && self.end == 0.0 {
                return false
            }
            return true
        }
        mutating func setHidden() {
            self.start = 0.0
            self.end = 0.0
        }
    }
    //start=0,end=0の場合は描画しない
    @State private var arcs: Array<ArcState> = [
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),

        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
        ArcState(start: 0, end: 0, color1: Color.black, color2: Color.black, name: ""),
    ]
    
    //doubleを入力用stringに変換
    func itemRatioValue(num: Double) -> String {
        if num == 0.0 {
            return ""
        } else {
            let numInt: Int = Int(num)
            if Double(numInt) == num {
                return String(numInt)
            } else {
                return String(num)
            }
        }
    }
    
    var body: some View {
        NavigationView {
            GeometryReader { bodyView in
                VStack(spacing: 0) {
                    HStack(spacing: 0) {
                        Button(action:{
                            self.startRoulette()
                        }){
                            Text("start")
                                .frame(width: bodyView.size.width / 4 * 3, height: bodyView.size.height / 6, alignment: .center)
                                .background(ConstValue.colorStart)
                                .foregroundColor(Color.white)
                        }
                        Rectangle().fill(Color.white).frame(width: 1, height: bodyView.size.height / 6)
                        NavigationLink(destination: SettingView(),isActive: self.$pub.isSetting) {
                            Button(action:{
                                if (self.busyFlag) {
                                    return
                                }
                                for i in 0..<self.pub.items.count {
                                    self.pub.tmpItems[i].name = self.pub.items[i].name
                                    self.pub.tmpItems[i].ratio = self.itemRatioValue(num: self.pub.items[i].ratio)
                                }
                                self.pub.tmpItemSplit = self.pub.itemSplit
                                self.pub.tmpItemReverse = self.pub.itemReverse
                                self.pub.isSetting = true
                            }){
                                Text("setting")
                                    .frame(width: bodyView.size.width / 4, height: bodyView.size.height / 6, alignment: .center)
                                    .background(ConstValue.colorSetting)
                                    .foregroundColor(Color.white)
                            }
                        }
                    }
                    .frame(width: bodyView.size.width, height: bodyView.size.height / 6)
                    Rectangle().fill(Color.white).frame(width: bodyView.size.width, height: 1)
                    ZStack(alignment: .bottom) {
                        ScrollView {
                            Spacer(minLength: bodyView.size.height / 40)
                            Text(self.choiceResult).animation(.none)
                            Spacer(minLength: bodyView.size.height / 40)
                            ZStack {
                                self.baseArc(size: bodyView.size.width)
                                ForEach(0..<self.arcs.count) {
                                    if self.arcs[$0].isDraw() {
                                        self.fillArc(start: self.arcs[$0].start, end: self.arcs[$0].end, color1: self.arcs[$0].color1, color2: self.arcs[$0].color2, size: bodyView.size.width)
                                    }
                                }
                                ForEach(0..<self.arcs.count) {
                                    if self.arcs[$0].isDraw() {
                                        self.arcText(start: self.arcs[$0].start, end: self.arcs[$0].end, name: self.arcs[$0].name, size: bodyView.size.width)
                                    }
                                }
                            }
                            Spacer(minLength: 150)
                        }
                        HStack(spacing: 0) {
                            Spacer(minLength: 0)
                            PublicManager.AdView().frame(maxWidth: bodyView.size.width, maxHeight: 50)
                            Spacer(minLength: 0)
                        }.background(Color(red: 0.2,green: 0.2,blue: 0.2))
                    }
                }
                .background(self.colorBg)
                //.navigationBarTitle("")
                .navigationBarHidden(true)
            }
        }
        .navigationViewStyle(StackNavigationViewStyle())
        .onAppear {     //アプリ起動時に実行
            self.pub.loadItems()
            self.initItemData()
            self.drawRoulette()
        }
        .onChange(of: self.pub.isSetting) { _ in    //SettingViewからの戻り
            if self.pub.isSetting == false {
                self.initItemData()
                self.drawRoulette()
            }
        }
        .onDisappear {     //アプリ終了時
            self.destroyFlag = true
        }
    }

    private func startRoulette() {
        if self.busyFlag {
            return
        }
        self.busyFlag = true
        self.initItemData()
        self.actionState = 0
        self.actionCount = 0
        self.actionTimeline()
    }

    private func initItemData() {
        self.itemRateSum = 0.0
        self.currentItems = []
        for i in 0..<self.pub.items.count {
            if self.pub.items[i].name != "" {
                self.currentItems.append(self.pub.items[i])
                self.itemRateSum += self.pub.items[i].ratio
            }
        }
        if self.pub.itemSplit { //4倍にするか
            for _ in 0..<3 {    //3回同じことを繰り返す
                for i in 0..<self.pub.items.count {
                    if self.pub.items[i].name != "" {
                        self.currentItems.append(self.pub.items[i])
                        self.itemRateSum += self.pub.items[i].ratio
                    }
                }
            }
        }
        if self.pub.itemReverse {
            self.currentItems = self.currentItems.reversed()
        }
        //Viewの状態を初期化
        for i in 0..<self.arcs.count {
            self.arcs[i].setHidden()
        }
        //Viewの値をセット
        for i in 0..<self.currentItems.count {
            self.arcs[i].color1 = ConstValue.colorArcs[i % 10]
            self.arcs[i].color2 = ConstValue.colorArcDarks[i % 10]
            self.arcs[i].name = self.currentItems[i].name
        }
    }
    
    //animation
    private func actionTimeline() {
        withAnimation {
            if self.destroyFlag {
                return
            }
            self.drawRoulette()
            if self.actionState == 0 {
                self.actionAngle += Double(self.actionCount)
                self.actionCount += 1
                if self.actionCount > 50 {
                    self.actionAngle = self.actionAngle.truncatingRemainder(dividingBy: 360.0)
                    self.actionCount = 0
                    self.actionState = 1
                }
            } else if self.actionState == 1 {
                self.actionAngle += 89.7 + Double(self.actionCount / 10)
                self.actionCount += 1
                if self.actionCount > 50 {
                    self.actionAngle += Double.random(in: 0..<360.0)
                    self.actionAngle = self.actionAngle.truncatingRemainder(dividingBy: 360.0)
                    self.actionCount = 0
                    self.actionState = 2
                }
            } else if self.actionState == 2 {
                self.actionAngle += 100.0 - Double(self.actionCount / 2)
                self.actionCount += 1
                if self.actionCount > 200 {
                    self.actionAngle = self.actionAngle.truncatingRemainder(dividingBy: 360.0)
                    self.actionCount = 0
                    self.actionState = 3
                }
            } else if self.actionState == 3 {
                self.busyFlag = false
                return
            }
            DispatchQueue.global().async {
                Thread.sleep(forTimeInterval: 0.02)
                DispatchQueue.main.sync {
                    if self.destroyFlag == false {
                        self.actionTimeline()
                    }
                }
            }
        }
    }
    
    private func drawRoulette() {
        var startAngle: Double = self.actionAngle
        //判定結果計算
        var nowSelectItem: Int = -1
        for i in 0..<self.currentItems.count {
            let currentAngle: Double = self.currentItems[i].ratio / self.itemRateSum * 360.0   //書こうとする扇形の確度
            let startAngleTmp: Double = startAngle.truncatingRemainder(dividingBy: 360.0)
            if ((startAngleTmp <= 270.0) && (startAngleTmp + currentAngle > 270.0)) || ((startAngleTmp >= 270.0) && (startAngleTmp + currentAngle >= 630.0)) {
                nowSelectItem = i
                break
            }
            startAngle += currentAngle
        }
        //判定結果表示 back color
        if nowSelectItem != -1 {  //念のため
            self.colorBg = ConstValue.colorArcs[nowSelectItem % 10]
        }
        //円グラフ
        startAngle = self.actionAngle
        for i in 0..<self.currentItems.count {
            let currentAngle: Double = self.currentItems[i].ratio / self.itemRateSum * 360.0   //書こうとする扇形の確度
            //circle
            self.arcs[i].start = startAngle
            self.arcs[i].end = startAngle + currentAngle
            //
            startAngle += currentAngle
        }
        //判定結果表示 text
        if (nowSelectItem != -1) {  //念のため
            self.choiceResult = self.currentItems[nowSelectItem].name
        }
    }
    
    private func baseArc(size: CGFloat) -> some View {
        return Arc(startAngle: .degrees(-89), endAngle: .degrees(269))
            .fill(Color.white)
            .frame(width: size * 0.9, height: size * 0.9, alignment: .center)
            .animation(.none)
    }

    private func fillArc(start: Double, end: Double, color1: Color, color2: Color, size: CGFloat) -> some View {
        return ZStack {
            Arc(startAngle: .degrees(start), endAngle: .degrees(end))
                .fill(color1)
                .frame(width: size * 0.85, height: size * 0.85, alignment: .center)
                .animation(.none)
            Arc(startAngle: .degrees(start), endAngle: .degrees(end))
                .fill(color2)
                .frame(width: size * 0.5, height: size * 0.5, alignment: .center)
                .animation(.none)
        }
    }
    
    private func arcText(start: Double, end: Double, name: String, size: CGFloat) -> some View {
        let textAngle: CGFloat = CGFloat(((start + end) / 2.0)) + 90.0
        let textX: CGFloat = CGFloat(sin(textAngle * CGFloat.pi / 180) * (size / 3))
        let textY: CGFloat = CGFloat(cos(textAngle * CGFloat.pi / 180) * (size / 3) * -1)
        return ZStack {
            Text(name)
                .offset(x: textX, y: textY)
                .font(.footnote)
                .animation(.none)
        }
    }

}

struct Arc: Shape {
    var startAngle: Angle
    var endAngle: Angle
    func path(in rect: CGRect) -> Path {
        var path = Path()
        path.addLines([CGPoint(x:rect.midX, y:rect.midY)])
        path.addArc(center: CGPoint(x: rect.midX, y: rect.midY), radius: rect.width / 2, startAngle: startAngle, endAngle: endAngle, clockwise: false)
        //path.addLine(to: CGPoint(x:rect.midX, y:rect.midY))
        return path
    }
}

struct ContentView_Previews: PreviewProvider {
    static var previews: some View {
        ContentView().environmentObject(PublicManager())
    }
}

PublicManager.swift

//
//  PublicManager.swift
//  Roulette
//
//  Created by akira ohmachi on 2021/04/03.
//

import SwiftUI
import GoogleMobileAds

class PublicManager: ObservableObject {
    
    @Published var isSetting: Bool = false
    
    @AppStorage("item1name") var item1name: String = ""
    @AppStorage("item2name") var item2name: String = ""
    @AppStorage("item3name") var item3name: String = ""
    @AppStorage("item4name") var item4name: String = ""
    @AppStorage("item5name") var item5name: String = ""
    @AppStorage("item6name") var item6name: String = ""
    @AppStorage("item7name") var item7name: String = ""
    @AppStorage("item8name") var item8name: String = ""
    @AppStorage("item9name") var item9name: String = ""
    @AppStorage("item10name") var item10name: String = ""
    @AppStorage("item11name") var item11name: String = ""
    @AppStorage("item12name") var item12name: String = ""
    @AppStorage("item13name") var item13name: String = ""
    @AppStorage("item14name") var item14name: String = ""
    @AppStorage("item15name") var item15name: String = ""
    @AppStorage("item16name") var item16name: String = ""
    @AppStorage("item17name") var item17name: String = ""
    @AppStorage("item18name") var item18name: String = ""
    @AppStorage("item19name") var item19name: String = ""
    @AppStorage("item20name") var item20name: String = ""

    @AppStorage("item1ratio") var item1ratio: Double = 0.0
    @AppStorage("item2ratio") var item2ratio: Double = 0.0
    @AppStorage("item3ratio") var item3ratio: Double = 0.0
    @AppStorage("item4ratio") var item4ratio: Double = 0.0
    @AppStorage("item5ratio") var item5ratio: Double = 0.0
    @AppStorage("item6ratio") var item6ratio: Double = 0.0
    @AppStorage("item7ratio") var item7ratio: Double = 0.0
    @AppStorage("item8ratio") var item8ratio: Double = 0.0
    @AppStorage("item9ratio") var item9ratio: Double = 0.0
    @AppStorage("item10ratio") var item10ratio: Double = 0.0
    @AppStorage("item11ratio") var item11ratio: Double = 0.0
    @AppStorage("item12ratio") var item12ratio: Double = 0.0
    @AppStorage("item13ratio") var item13ratio: Double = 0.0
    @AppStorage("item14ratio") var item14ratio: Double = 0.0
    @AppStorage("item15ratio") var item15ratio: Double = 0.0
    @AppStorage("item16ratio") var item16ratio: Double = 0.0
    @AppStorage("item17ratio") var item17ratio: Double = 0.0
    @AppStorage("item18ratio") var item18ratio: Double = 0.0
    @AppStorage("item19ratio") var item19ratio: Double = 0.0
    @AppStorage("item20ratio") var item20ratio: Double = 0.0

    @AppStorage("itemSplit") var itemSplit: Bool = false
    @AppStorage("itemReverse") var itemReverse: Bool = false
    
    var tmpItemSplit: Bool = false
    var tmpItemReverse: Bool = false

    struct Item {
        var name: String
        var ratio: Double
        init(name: String, ratio: Double) {
            self.name = name
            self.ratio = ratio
        }
    }
    
    var items: Array<Item> = [
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
        Item(name: "", ratio: 0.0),
    ]

    struct TmpItem {
        var name: String
        var ratio: String
        init(name: String, ratio: String) {
            self.name = name
            self.ratio = ratio
        }
    }

    var tmpItems: Array<TmpItem> = [
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
        TmpItem(name: "", ratio: ""),
    ]

    func saveItems() {
        self.item1name = self.items[0].name
        self.item1ratio = self.items[0].ratio
        self.item2name = self.items[1].name
        self.item2ratio = self.items[1].ratio
        self.item3name = self.items[2].name
        self.item3ratio = self.items[2].ratio
        self.item4name = self.items[3].name
        self.item4ratio = self.items[3].ratio
        self.item5name = self.items[4].name
        self.item5ratio = self.items[4].ratio
        self.item6name = self.items[5].name
        self.item6ratio = self.items[5].ratio
        self.item7name = self.items[6].name
        self.item7ratio = self.items[6].ratio
        self.item8name = self.items[7].name
        self.item8ratio = self.items[7].ratio
        self.item9name = self.items[8].name
        self.item9ratio = self.items[8].ratio
        self.item10name = self.items[9].name
        self.item10ratio = self.items[9].ratio
        self.item11name = self.items[10].name
        self.item11ratio = self.items[10].ratio
        self.item12name = self.items[11].name
        self.item12ratio = self.items[11].ratio
        self.item13name = self.items[12].name
        self.item13ratio = self.items[12].ratio
        self.item14name = self.items[13].name
        self.item14ratio = self.items[13].ratio
        self.item15name = self.items[14].name
        self.item15ratio = self.items[14].ratio
        self.item16name = self.items[15].name
        self.item16ratio = self.items[15].ratio
        self.item17name = self.items[16].name
        self.item17ratio = self.items[16].ratio
        self.item18name = self.items[17].name
        self.item18ratio = self.items[17].ratio
        self.item19name = self.items[18].name
        self.item19ratio = self.items[18].ratio
        self.item20name = self.items[19].name
        self.item20ratio = self.items[19].ratio
    }
    
    func loadItems() {
        self.items[0].name = self.item1name
        self.items[0].ratio = self.item1ratio
        self.items[1].name = self.item2name
        self.items[1].ratio = self.item2ratio
        self.items[2].name = self.item3name
        self.items[2].ratio = self.item3ratio
        self.items[3].name = self.item4name
        self.items[3].ratio = self.item4ratio
        self.items[4].name = self.item5name
        self.items[4].ratio = self.item5ratio
        self.items[5].name = self.item6name
        self.items[5].ratio = self.item6ratio
        self.items[6].name = self.item7name
        self.items[6].ratio = self.item7ratio
        self.items[7].name = self.item8name
        self.items[7].ratio = self.item8ratio
        self.items[8].name = self.item9name
        self.items[8].ratio = self.item9ratio
        self.items[9].name = self.item10name
        self.items[9].ratio = self.item10ratio
        self.items[10].name = self.item11name
        self.items[10].ratio = self.item11ratio
        self.items[11].name = self.item12name
        self.items[11].ratio = self.item12ratio
        self.items[12].name = self.item13name
        self.items[12].ratio = self.item13ratio
        self.items[13].name = self.item14name
        self.items[13].ratio = self.item14ratio
        self.items[14].name = self.item15name
        self.items[14].ratio = self.item15ratio
        self.items[15].name = self.item16name
        self.items[15].ratio = self.item16ratio
        self.items[16].name = self.item17name
        self.items[16].ratio = self.item17ratio
        self.items[17].name = self.item18name
        self.items[17].ratio = self.item18ratio
        self.items[18].name = self.item19name
        self.items[18].ratio = self.item19ratio
        self.items[19].name = self.item20name
        self.items[19].ratio = self.item20ratio

        var empty: Bool = true
        for i in 0..<items.count {
            if self.items[i].name != "" {
                empty = false
                break
            }
        }
        if empty {
            self.items[0].name = "first"
            self.items[0].ratio = 1.7
            self.items[1].name = "second"
            self.items[1].ratio = 1.5
            self.items[2].name = "third"
            self.items[2].ratio = 1.3
            self.items[3].name = "fourth"
            self.items[3].ratio = 1.1
            self.items[4].name = "fifth"
            self.items[4].ratio = 1.0
            self.saveItems()
        }
    }
    
    //--------------------------------------------------
    //adMob

    struct AdView: UIViewRepresentable {
        func makeUIView(context: Context) -> GADBannerView {
            let banner = GADBannerView(adSize: kGADAdSizeBanner)
            #if DEBUG
            banner.adUnitID = "ca-app-pub-3940256099942544/2934735716"
            #else
            banner.adUnitID = "ca-app-pub-0000000000000000/0000000000"
            #endif
            banner.rootViewController = UIApplication.shared.windows.first?.rootViewController
            banner.load(GADRequest())
            return banner
        }

        func updateUIView(_ uiView: GADBannerView, context: Context) {
        }
    }

    //--------------------------------------------------

}

RouletteApp.swift

//
//  RouletteApp.swift
//  Roulette
//
//  Created by akira ohmachi on 2021/04/03.
//

import SwiftUI
import UIKit
import GoogleMobileAds

// AppDelegateクラスを定義する
class AppDelegate: NSObject, UIApplicationDelegate {
    func application(_ application: UIApplication,didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey : Any]? = nil) -> Bool {

        // Mobile Ads SDKを初期化する
        GADMobileAds.sharedInstance().start(completionHandler: nil)
        
        return true
    }
}

@main
struct RouletteApp: App {
    // SwiftUI AppライフサイクルにAppDelegateクラスを注入する
    @UIApplicationDelegateAdaptor(AppDelegate.self) var appDelegate
    
    var body: some Scene {
        WindowGroup {
            ContentView().environmentObject(PublicManager())
        }
    }
}

SettingView.swift

//
//  SettingView.swift
//  Roulette
//
//  Created by akira ohmachi on 2021/04/03.
//

import SwiftUI

struct SettingView: View {
    @EnvironmentObject var pub: PublicManager
    
    let inputNameWidth: CGFloat = 0.55

    var body: some View {
        VStack {
            HStack {
                Button(action: {
                    pub.isSetting = false
                }) {
                    HStack {
                        Image(systemName: "arrow.backward")
                        Text("cancel")
                    }
                }
                Spacer()
                Button(action: {
                    for i in 0..<self.pub.items.count {
                        self.pub.items[i].name = self.pub.tmpItems[i].name
                        self.pub.items[i].ratio = self.adjustStrToNum(str: self.pub.tmpItems[i].ratio)
                    }
                    self.pub.saveItems()
                    self.pub.loadItems()
                    self.pub.itemSplit = self.pub.tmpItemSplit
                    self.pub.itemReverse = self.pub.tmpItemReverse
                    pub.isSetting = false
                }) {
                    HStack {
                        Text("apply")
                        Image(systemName: "checkmark.circle")
                    }
                }
            }
            .padding(20)
        }
        GeometryReader { bodyView in
            Form {
                Section(header: Text("name / ratio")) {
                    VStack {
                        ForEach(0..<self.pub.items.count) { num in
                            HStack {
                                Text("\(String(format: "%02d",num + 1))").font(.caption2)
                                TextField("", text: self.$pub.tmpItems[num].name)
                                    .textFieldStyle(RoundedBorderTextFieldStyle())
                                    .frame(minWidth: bodyView.size.width * self.inputNameWidth)
                                TextField("", text: Binding(
                                            get: {self.pub.tmpItems[num].ratio},
                                            set: {self.pub.tmpItems[num].ratio = $0.filter{".0123456789".contains($0)}}))
                                            .textFieldStyle(RoundedBorderTextFieldStyle())
                                            .keyboardType(.decimalPad)
                            }
                        }
                    }
                }
                Section(header: Text("split")) {
                    Toggle(isOn: self.$pub.tmpItemSplit) {
                        Text("splitItem")
                            .font(.subheadline)
                    }
                    Text("splitItemNote")
                        .font(.footnote)
                }
                Section(header: Text("reverse")) {
                    Toggle(isOn: self.$pub.tmpItemReverse) {
                        Text("reverseItem")
                            .font(.subheadline)
                    }
                    Text("reverseItemNote")
                        .font(.footnote)
                }
                Section(header: Text("usage")) {
                    Text("usage1")
                        .font(.footnote)
                }
            }
        }
        //.navigationBarTitle("Setting",displayMode: .automatic)
        //.navigationViewStyle(StackNavigationViewStyle())
        .navigationBarHidden(true)
        .onTapGesture {     //背景タップでキーボードを閉じる
            UIApplication.shared.closeKeyboard()
        }
    }
    
    private func adjustStrToNum(str: String) -> Double {
        let ary: Array<String> = (str + ".0").components(separatedBy: ".")
        let num: Double = NumberFormatter().number(from: "0" + ary[0] + "." + ary[1]) as! Double
        return num
    }
}

extension UIApplication {
    func closeKeyboard() {  //キーボードを閉じる
        sendAction(#selector(UIResponder.resignFirstResponder), to: nil, from: nil, for: nil)
    }
}

struct SettingView_Previews: PreviewProvider {
    static var previews: some View {
        Group {
            SettingView().environmentObject(PublicManager())
        }
    }
}

ソースコード source code

下記コードの最終ビルド日： 2021-04-23

ConstValue.swift

ContentView.swift

PublicManager.swift

RouletteApp.swift

SettingView.swift

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