Matt Pfeiffer's Submission

Challenge2/Challenge2.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Challenge2/Challenge2/Assets.xcassets/AccentColor.colorset/Contents.json

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+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge2/Challenge2/Assets.xcassets/AppIcon.appiconset/Contents.json

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+{
+  "images" : [
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "2x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "iphone",
+      "scale" : "3x",
+      "size" : "60x60"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "20x20"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "29x29"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "40x40"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "76x76"
+    },
+    {
+      "idiom" : "ipad",
+      "scale" : "2x",
+      "size" : "83.5x83.5"
+    },
+    {
+      "idiom" : "ios-marketing",
+      "scale" : "1x",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge2/Challenge2/Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge2/Challenge2/Assets.xcassets/Katniss.imageset/Contents.json

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+{
+  "images" : [
+    {
+      "filename" : "IMG_3167.jpg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge2/Challenge2/Assets.xcassets/Lynyrd.imageset/Contents.json

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+{
+  "images" : [
+    {
+      "filename" : "IMG_5122.jpg",
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge2/Challenge2/Challenge2App.swift

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+//
+//  Challenge2App.swift
+//  Challenge2
+//
+//  Created by Matt Pfeiffer on 7/29/22.
+//
+
+import SwiftUI
+
+@main
+struct Challenge2App: App {
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+    }
+}

Challenge2/Challenge2/ContentView.swift

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+//
+//  ContentView.swift
+//  Challenge2
+//
+//  Created by Matt Pfeiffer on 7/29/22.
+//
+
+import SwiftUI
+
+let charcoal = Color.init(white: 0.15)
+
+struct ContentView: View {
+    var body: some View {
+        AirdropView()
+    }
+}
+
+struct ContentView_Previews: PreviewProvider {
+    static var previews: some View {
+        ContentView()
+    }
+}

Challenge2/Challenge2/Extensions/Gradient+Extensions.swift

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+//
+//  Gradient+Extensions.swift
+//  Challenge2
+//
+//  Created by Matt Pfeiffer on 7/29/22.
+//
+
+import SwiftUI
+
+public extension Gradient {
+    static var shiny: Gradient {
+        Gradient(colors: [
+            Color.white.opacity(0.0125),
+            Color.white.opacity(0.025),
+            Color.white.opacity(0.05),
+            Color.white.opacity(0.1),
+            Color.white.opacity(0.2),
+            Color.white.opacity(0.25),
+            Color.white.opacity(0.375),
+            Color.white.opacity(0.5),
+            Color.white.opacity(0.75),
+            Color.white.opacity(0.5),
+            Color.white.opacity(0.375),
+            Color.white.opacity(0.25),
+            Color.white.opacity(0.175),
+            Color.white.opacity(0.1),
+            Color.white.opacity(0.05),
+            Color.white.opacity(0.025),
+            Color.white.opacity(0.0125),
+        ])
+    }
+}

Challenge2/Challenge2/Preview Content/Preview Assets.xcassets/Contents.json

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+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

Challenge2/Challenge2/Views/AirdropTargetView/AirdropTargetView.swift

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+//
+//  AirdropTargetView.swift
+//  Challenge2
+//
+//  Created by Matt Pfeiffer on 7/29/22.
+//
+
+import SwiftUI
+
+struct AirdropTargetView: View {
+    @ObservedObject var viewModel: AirdropTargetViewModel
+
+    init(name: String, image: Image? = nil) {
+        viewModel = AirdropTargetViewModel(name: name, image: image)
+    }
+
+    var body: some View {
+        ZStack {
+
+            VStack(spacing: 2) {
+                PersonProgressView(image: viewModel.image,
+                                   progress: viewModel.progress,
+                                   sendState: viewModel.sendState)
+                    .frame(width: 150, height: 150)
+                    .padding(.bottom, 10)
+
+                Text("\(viewModel.name)'s iPhone")
+                    .foregroundColor(.white)
+                    .font(.system(size: 14))
+
+                Text(viewModel.stateText)
+                    .opacity(viewModel.opacity)
+                    .foregroundColor(viewModel.sendState.color)
+                    .font(.system(size: 14))
+            }
+            .contentShape(Rectangle())
+            .onTapGesture {
+                viewModel.simulateInitiate()
+            }
+        }
+        .onDisappear {
+            viewModel.timer?.invalidate()
+        }
+    }
+}
+struct AirdropTargetView_Previews: PreviewProvider {
+    static var previews: some View {
+        AirdropTargetView(name: "Mock Name")
+    }
+}

Challenge2/Challenge2/Views/AirdropTargetView/AirdropTargetViewModel.swift

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+//
+//  AirdropTargetViewModel.swift
+//  Challenge2
+//
+//  Created by Matt Pfeiffer on 7/29/22.
+//
+
+import SwiftUI
+
+class AirdropTargetViewModel: ObservableObject {
+    @Published var sendState: AirdropSendState = .preSend
+    @Published var progress: CGFloat = 0.0
+    @Published var opacity: Double = 1.0
+
+    var name: String
+    var image: Image?
+
+    var timer: Timer?
+
+    var stateText: String {
+        switch sendState {
+        case .preSend:
+            return "from Matt"
+        case .connecting:
+            return "Waiting..."
+        case .inProgress:
+            return "Sending..."
+        case .done:
+            return "Sent"
+        }
+    }
+
+    init(name: String, image: Image? = nil) {
+        self.name = name
+        self.image = image
+    }
+
+    func simulateInitiate() {
+        progress = 0.0
+        sendState = .connecting
+        withAnimation(.easeInOut(duration: 1.0).repeatForever(autoreverses: true)) {
+            opacity = 0.0
+        }
+
+        let waitTime: TimeInterval = 2.0
+        DispatchQueue.main.asyncAfter(deadline: .now() + waitTime) {
+            self.simulateConnected()
+        }
+    }
+
+    func simulateConnected() {
+        sendState = .inProgress
+        withAnimation(.easeInOut(duration: 0.1)) {
+            self.opacity = 1.0
+        }
+
+        timer = Timer.scheduledTimer(timeInterval: 0.01,
+                                     target: self,
+                                     selector: #selector(stepProgress),
+                                     userInfo: nil,
+                                     repeats: true)
+    }
+
+    @objc func stepProgress() {
+        DispatchQueue.main.async {
+            self.progress += 0.005
+
+
+
+            if self.progress > 1.0 {
+                self.simulateCompleted()
+            }
+        }
+    }
+
+    func simulateCompleted() {
+        timer?.invalidate()
+
+        // slight delay so that the progress finishes before fadeout
+        let waitTime: TimeInterval = 0.1
+        DispatchQueue.main.asyncAfter(deadline: .now() + waitTime) {
+            self.sendState = .done
+        }
+    }
+}