feat(contentview): 创建 cardview

可以加减卡片数量

Signed-off-by: Ching <loooching@gmail.com>

.gitignore

@@ -0,0 +1,94 @@
+# Xcode
+#
+# gitignore contributors: remember to update Global/Xcode.gitignore, Objective-C.gitignore & Swift.gitignore
+
+## User settings
+xcuserdata/
+
+## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9)
+*.xcscmblueprint
+*.xccheckout
+
+## compatibility with Xcode 3 and earlier (ignoring not required starting Xcode 4)
+build/
+DerivedData/
+*.moved-aside
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+
+## Obj-C/Swift specific
+*.hmap
+
+## App packaging
+*.ipa
+*.dSYM.zip
+*.dSYM
+
+## Playgrounds
+timeline.xctimeline
+playground.xcworkspace
+
+# Swift Package Manager
+#
+# Add this line if you want to avoid checking in source code from Swift Package Manager dependencies.
+# Packages/
+# Package.pins
+# Package.resolved
+# *.xcodeproj
+#
+# Xcode automatically generates this directory with a .xcworkspacedata file and xcuserdata
+# hence it is not needed unless you have added a package configuration file to your project
+# .swiftpm
+
+.build/
+
+# CocoaPods
+#
+# We recommend against adding the Pods directory to your .gitignore. However
+# you should judge for yourself, the pros and cons are mentioned at:
+# https://guides.cocoapods.org/using/using-cocoapods.html#should-i-check-the-pods-directory-into-source-control
+#
+# Pods/
+#
+# Add this line if you want to avoid checking in source code from the Xcode workspace
+# *.xcworkspace
+
+# Carthage
+#
+# Add this line if you want to avoid checking in source code from Carthage dependencies.
+# Carthage/Checkouts
+
+Carthage/Build/
+
+# Accio dependency management
+Dependencies/
+.accio/
+
+# fastlane
+#
+# It is recommended to not store the screenshots in the git repo.
+# Instead, use fastlane to re-generate the screenshots whenever they are needed.
+# For more information about the recommended setup visit:
+# https://docs.fastlane.tools/best-practices/source-control/#source-control
+
+fastlane/report.xml
+fastlane/Preview.html
+fastlane/screenshots/**/*.png
+fastlane/test_output
+
+# Code Injection
+#
+# After new code Injection tools there's a generated folder /iOSInjectionProject
+# https://github.com/johnno1962/injectionforxcode
+
+iOSInjectionProject/
+
+
+*/xcuserdata/*
+

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

@@ -70,6 +70,11 @@
       "scale" : "2x",
       "size" : "40x40"
     },
+    {
+      "idiom" : "ipad",
+      "scale" : "1x",
+      "size" : "76x76"
+    },
     {
       "idiom" : "ipad",
       "scale" : "2x",

Memorize/ContentView.swift

@@ -8,14 +8,92 @@
 import SwiftUI
 
 struct ContentView: View {
+    var emojis = ["🚌", "🚙", "🚗", "🚕", "🏎", "🚎", "🚓"]
+    @State var emojiCount = 2
     var body: some View {
-        Text("Hello, world!")
-            .padding()
+        VStack {
+            ScrollView {
+                LazyVGrid(columns: [GridItem(.adaptive(minimum: 65))]) {
+                    ForEach(emojis[0..<emojiCount], id: \.self) {
+                        emoji in CardView(content: emoji).aspectRatio(2/3, contentMode: .fit)
+                    }
+                }
+            }
+            .foregroundColor(/*@START_MENU_TOKEN@*/.red/*@END_MENU_TOKEN@*/)
+            Spacer()
+            HStack{
+                remove
+                Spacer()
+                add
+            }
+            .padding(.horizontal)
+            .font(.largeTitle)
+        }
+        .padding(.horizontal)
+    }
+    
+    var remove: some View {
+        Button(action: {
+            if emojiCount > 1{
+                emojiCount -= 1
+            }
+        }, label: {
+            Image(systemName: "minus.circle")
+        })
+    }
+    var add: some View {
+        Button(action: {
+            if emojiCount < emojis.count {
+                emojiCount += 1
+            }
+        }, label: {
+            Image(systemName: "plus.circle")
+        })
     }
 }
 
+struct CardView: View {
+    @State var isFaceUp: Bool = true
+    var content: String
+    var body: some View {
+        ZStack {
+            let shape = RoundedRectangle(cornerRadius: 20.0)
+            if isFaceUp {
+                shape
+                    .fill()
+                    .foregroundColor(.white)
+                shape
+                    .strokeBorder(lineWidth: 3)
+                Text(content)
+                    .font(.largeTitle)
+            }
+            else {
+                shape
+                    .fill()
+            }
+        }
+        .onTapGesture {
+            isFaceUp = !isFaceUp
+        }
+    }
+}
+
+
+
+
+
+
+
+
+
+
+
+
 struct ContentView_Previews: PreviewProvider {
     static var previews: some View {
         ContentView()
+            .preferredColorScheme(.dark)
+        ContentView()
+            .preferredColorScheme(.light)
     }
 }