feature/AppStorage development is done

AltSwiftUI.xcodeproj/project.pbxproj

@@ -75,6 +75,8 @@
 		2CD1A04C2512066D00E2CCBA /* ViewEnvironment.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2CD1A00B2512066D00E2CCBA /* ViewEnvironment.swift */; };
 		2CD1A04E2512066D00E2CCBA /* AltSwiftUI.h in Headers */ = {isa = PBXBuildFile; fileRef = 2CD1A00D2512066D00E2CCBA /* AltSwiftUI.h */; settings = {ATTRIBUTES = (Public, ); }; };
 		2CD1A056251206C200E2CCBA /* ViewTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2CD1A054251206C200E2CCBA /* ViewTests.swift */; };
+		3047F8BB25FA15B800F3B5EF /* AppStorage.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3047F8BA25FA15B800F3B5EF /* AppStorage.swift */; };
+		30BFBD9F2654E1430023274F /* AppStorageTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 30BFBD9E2654E1430023274F /* AppStorageTests.swift */; };
 		68CBD3E12578AADB00A3F033 /* SecureField.swift in Sources */ = {isa = PBXBuildFile; fileRef = 68CBD3E02578AADB00A3F033 /* SecureField.swift */; };
 		7D2D4D6B25148269000F5DDC /* Capsule.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7D2D4D6525148269000F5DDC /* Capsule.swift */; };
 		7D2D4D6C25148269000F5DDC /* Circle.swift in Sources */ = {isa = PBXBuildFile; fileRef = 7D2D4D6625148269000F5DDC /* Circle.swift */; };
@@ -166,6 +168,8 @@
 		2CD1A00D2512066D00E2CCBA /* AltSwiftUI.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = AltSwiftUI.h; sourceTree = "<group>"; };
 		2CD1A054251206C200E2CCBA /* ViewTests.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = ViewTests.swift; sourceTree = "<group>"; };
 		2CD1A055251206C200E2CCBA /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
+		3047F8BA25FA15B800F3B5EF /* AppStorage.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppStorage.swift; sourceTree = "<group>"; };
+		30BFBD9E2654E1430023274F /* AppStorageTests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AppStorageTests.swift; sourceTree = "<group>"; };
 		68CBD3E02578AADB00A3F033 /* SecureField.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureField.swift; sourceTree = "<group>"; };
 		7D2D4D6525148269000F5DDC /* Capsule.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Capsule.swift; sourceTree = "<group>"; };
 		7D2D4D6625148269000F5DDC /* Circle.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = Circle.swift; sourceTree = "<group>"; };
@@ -282,6 +286,7 @@
 				2CD19FCE2512066D00E2CCBA /* State.swift */,
 				2CD19FD02512066D00E2CCBA /* StateObject.swift */,
 				2CD19FCA2512066D00E2CCBA /* StateTypes.swift */,
+				3047F8BA25FA15B800F3B5EF /* AppStorage.swift */,
 			);
 			path = State;
 			sourceTree = "<group>";
@@ -421,6 +426,7 @@
 				2CA33E61252E9718005A7C96 /* OperationQueueTests.swift */,
 				2CA33E56252E96BA005A7C96 /* ViewBinderTests.swift */,
 				2CD1A054251206C200E2CCBA /* ViewTests.swift */,
+				30BFBD9E2654E1430023274F /* AppStorageTests.swift */,
 				2CD1A055251206C200E2CCBA /* Info.plist */,
 			);
 			name = AltSwiftUITests;
@@ -630,6 +636,7 @@
 				2CD1A01A2512066D00E2CCBA /* State.swift in Sources */,
 				2CD1A0482512066D00E2CCBA /* NavigationViews.swift in Sources */,
 				7D2D4D6B25148269000F5DDC /* Capsule.swift in Sources */,
+				3047F8BB25FA15B800F3B5EF /* AppStorage.swift in Sources */,
 				2CD1A0242512066D00E2CCBA /* ViewPropertyBuilder.swift in Sources */,
 				2CD1A0292512066D00E2CCBA /* ViewPropertyAnimationTypes.swift in Sources */,
 				2CD1A0182512066D00E2CCBA /* Environment.swift in Sources */,
@@ -649,6 +656,7 @@
 			files = (
 				2CD1A056251206C200E2CCBA /* ViewTests.swift in Sources */,
 				2CA33E65252E9731005A7C96 /* OperationQueueTests.swift in Sources */,
+				30BFBD9F2654E1430023274F /* AppStorageTests.swift in Sources */,
 				2CA33E5C252E96BF005A7C96 /* ViewBinderTests.swift in Sources */,
 				2CA33E51252E964C005A7C96 /* IterationTests.swift in Sources */,
 			);

Example/AltSwiftUIExample.xcodeproj/project.pbxproj

@@ -23,6 +23,7 @@
 		2CE5E2A2231398DA0072F907 /* AltSwiftUIExampleTests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2CE5E2A1231398DA0072F907 /* AltSwiftUIExampleTests.swift */; };
 		2CE5E2AD231398DA0072F907 /* AltSwiftUIExampleUITests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2CE5E2AC231398DA0072F907 /* AltSwiftUIExampleUITests.swift */; };
 		2CFE2AC025AD487800C925FC /* ScrollView2AxisExampleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2CFE2ABF25AD487800C925FC /* ScrollView2AxisExampleView.swift */; };
+		3047F8C625FA15D300F3B5EF /* AppStorageExampleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 3047F8C325FA15D300F3B5EF /* AppStorageExampleView.swift */; };
 		35D1A58825C7EDA100861DC4 /* AlertsExampleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 35D1A58525C7EDA100861DC4 /* AlertsExampleView.swift */; };
 		682C3A7C2594B18A005E798E /* SecureFieldExampleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 682C3A7B2594B18A005E798E /* SecureFieldExampleView.swift */; };
 /* End PBXBuildFile section */
@@ -94,6 +95,7 @@
 		2CE5E2AC231398DA0072F907 /* AltSwiftUIExampleUITests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = AltSwiftUIExampleUITests.swift; sourceTree = "<group>"; };
 		2CE5E2AE231398DA0072F907 /* Info.plist */ = {isa = PBXFileReference; lastKnownFileType = text.plist.xml; path = Info.plist; sourceTree = "<group>"; };
 		2CFE2ABF25AD487800C925FC /* ScrollView2AxisExampleView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ScrollView2AxisExampleView.swift; sourceTree = "<group>"; };
+		3047F8C325FA15D300F3B5EF /* AppStorageExampleView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppStorageExampleView.swift; sourceTree = "<group>"; };
 		35D1A58525C7EDA100861DC4 /* AlertsExampleView.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AlertsExampleView.swift; sourceTree = "<group>"; };
 		682C3A7B2594B18A005E798E /* SecureFieldExampleView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SecureFieldExampleView.swift; sourceTree = "<group>"; };
 /* End PBXFileReference section */
@@ -143,6 +145,7 @@
 				2CADC316251CA15400EA3F17 /* ShapesExampleView.swift */,
 				2C49E3CB2535382F00543E7D /* TextExampleView.swift */,
 				2CDCE7F225C40D2500BB52D1 /* StackUpdateExample.swift */,
+				3047F8C325FA15D300F3B5EF /* AppStorageExampleView.swift */,
 			);
 			path = ExampleViews;
 			sourceTree = "<group>";
@@ -372,6 +375,7 @@
 				2CADC30F251CA0DF00EA3F17 /* RamenExampleView.swift in Sources */,
 				2CADC317251CA15400EA3F17 /* ShapesExampleView.swift in Sources */,
 				2CFE2AC025AD487800C925FC /* ScrollView2AxisExampleView.swift in Sources */,
+				3047F8C625FA15D300F3B5EF /* AppStorageExampleView.swift in Sources */,
 				2CE5E28F231398D70072F907 /* ViewController.swift in Sources */,
 				2CE5E28B231398D70072F907 /* AppDelegate.swift in Sources */,
 				2CDCE7F325C40D2500BB52D1 /* StackUpdateExample.swift in Sources */,

Example/AltSwiftUIExample/ExampleViews/AppStorageExampleView.swift

@@ -0,0 +1,86 @@
+//
+//  AppStorageExampleView.swift
+//  AltSwiftUIExample
+//
+//  Created by yang.q.wang on 2021/3/1.
+//  Copyright © 2021 Rakuten Travel. All rights reserved.
+//
+
+import AltSwiftUI
+
+enum Day: Int {
+    case Monday,Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
+}
+enum Country: String {
+    case China = "China"
+    case Japan = "Japan"
+}
+struct AppStorageExampleView: View {
+    var viewStore = ViewValues()
+    @AppStorage("username" , store:UserDefaults(suiteName: "com.rakuten.www")) var username = "David"
+    @AppStorage("optionalBool") var optionalBool: Bool?
+    @AppStorage("initalInt") var initalInt:Int = 10
+    @AppStorage("today") var today = Day.Monday
+    var body: View {    
+        VStack {
+            Text("\(self.username)")
+            TextField("Please enter your name", text: $username)
+            HStack{
+                if let tempOptionalBool = self.optionalBool {
+                    if tempOptionalBool {
+                        Text("I am optionalBool variable and I am true").multilineTextAlignment(.leading)
+                    }else{
+                        Text("I am optionalBool variable and I am false").multilineTextAlignment(.leading)
+                    }
+                }else{
+                    Text("I am optionalBool variable and I am nil").multilineTextAlignment(.leading)
+                }
+                Spacer()
+                Button("Set Value") {
+                    if self.optionalBool == nil {
+                        self.optionalBool = true
+                    }else{
+                        self.optionalBool = !self.optionalBool!
+                    }
+                }
+                Button("Set nil Value") {
+                    self.optionalBool = nil
+                }
+            }.padding()
+            HStack{
+                switch self.today {
+                case .Monday:
+                    Text("I am Enum variable and today is Monday").multilineTextAlignment(.leading)
+                case .Tuesday:
+                    Text("I am Enum variable and today is Tuesday").multilineTextAlignment(.leading)
+                case .Wednesday:
+                    Text("I am Enum variable and today is Wednesday").multilineTextAlignment(.leading)
+                case .Thursday:
+                    Text("I am Enum variable and today is Thursday").multilineTextAlignment(.leading)
+                case .Friday:
+                    Text("I am Enum variable and today is Friday").multilineTextAlignment(.leading)
+                case .Saturday:
+                    Text("I am Enum variable and today is Saturday").multilineTextAlignment(.leading)
+                case .Sunday:
+                    Text("I am Enum variable and today is Sunday").multilineTextAlignment(.leading)
+                }
+                Spacer()
+                Button("Set Value") {
+                    if self.today.rawValue < 6{
+                        self.today = Day(rawValue: self.today.rawValue + 1)!
+                    }else{
+                        self.today = .Monday
+                    }
+                }
+            }.padding()
+            HStack{
+                Text("I am IntialInt variable and value is \(self.initalInt)").multilineTextAlignment(.leading)
+                Spacer()
+                Button("Set Value") {
+                    self.initalInt += 20
+                }
+            }.padding()
+        }
+    }
+}
+

Example/AltSwiftUIExample/ViewController.swift

@@ -28,7 +28,8 @@ struct ExampleView: View {
         ExampleViewData(title: "Texts", destination: TextExampleView()),
         ExampleViewData(title: "Navigation", destination: NavigationExampleView()),
         ExampleViewData(title: "SecureField", destination: SecureFieldExampleView()),
-        ExampleViewData(title: "Stack Update", destination: StackUpdateExample())
+        ExampleViewData(title: "Stack Update", destination: StackUpdateExample()),
+        ExampleViewData(title: "AppStorage", destination: AppStorageExampleView())
     ]
 
     var body: View {

Sources/AltSwiftUI/Source/CoreUI/ViewBinder.swift

@@ -48,6 +48,10 @@ class ViewBinder {
         NotificationCenter.default.removeObserver(self, name: Self.StateNotification.name, object: origin)
         NotificationCenter.default.addObserver(self, selector: #selector(handleStateNotification(notification:)), name: Self.StateNotification.name, object: origin)
     }
+    func registerAppStorageNotification(origin: NotificationOrigin){
+        NotificationCenter.default.removeObserver(self, name: origin.Name, object: origin)
+        NotificationCenter.default.addObserver(self, selector: #selector(handleAppStoreNotification(notification:)), name: origin.Name, object: origin)
+    }
 
     // MARK: - Private methods
 
@@ -83,6 +87,12 @@ class ViewBinder {
             postRenderQueue.drainRecursively()
         }
     }
+    @objc private func handleAppStoreNotification(notification: Notification) {
+        if notification.name.rawValue.hasPrefix(AppStorageDefaultKey.defautPrefixDomainKey){
+            let transaction = notification.userInfo?[Self.StateNotification.transactionKey] as? Transaction
+            updateView(transaction: transaction)
+        }
+    }
     @objc private func handleStateNotification(notification: Notification) {
         if notification.name == Self.StateNotification.name {
             let transaction = notification.userInfo?[Self.StateNotification.transactionKey] as? Transaction