specific carplay ui

Pocket Poster.xcodeproj/project.pbxproj

@@ -8,6 +8,7 @@
 
 /* Begin PBXBuildFile section */
 		6F09B7BB2DEB873F00CDE89C /* ZIPFoundation in Frameworks */ = {isa = PBXBuildFile; productRef = 6F09B7BA2DEB873F00CDE89C /* ZIPFoundation */; };
+		6F09BA332E00808300CDE89C /* Dynamic in Frameworks */ = {isa = PBXBuildFile; productRef = 6F09BA322E00808300CDE89C /* Dynamic */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
@@ -30,6 +31,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				6F09BA332E00808300CDE89C /* Dynamic in Frameworks */,
 				6F09B7BB2DEB873F00CDE89C /* ZIPFoundation in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
@@ -74,6 +76,7 @@
 			name = "Pocket Poster";
 			packageProductDependencies = (
 				6F09B7BA2DEB873F00CDE89C /* ZIPFoundation */,
+				6F09BA322E00808300CDE89C /* Dynamic */,
 			);
 			productName = "Pocket Poster";
 			productReference = 6F09B79D2DEB694B00CDE89C /* Pocket Poster.app */;
@@ -105,6 +108,7 @@
 			minimizedProjectReferenceProxies = 1;
 			packageReferences = (
 				6F09B7B92DEB873F00CDE89C /* XCRemoteSwiftPackageReference "ZIPFoundation" */,
+				6F09BA312E00808300CDE89C /* XCRemoteSwiftPackageReference "Dynamic" */,
 			);
 			preferredProjectObjectVersion = 77;
 			productRefGroup = 6F09B79E2DEB694B00CDE89C /* Products */;
@@ -276,7 +280,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown";
-				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -308,7 +312,7 @@
 				INFOPLIST_KEY_UILaunchScreen_Generation = YES;
 				INFOPLIST_KEY_UISupportedInterfaceOrientations = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait";
 				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown";
-				IPHONEOS_DEPLOYMENT_TARGET = 17.0;
+				IPHONEOS_DEPLOYMENT_TARGET = 16.0;
 				LD_RUNPATH_SEARCH_PATHS = (
 					"$(inherited)",
 					"@executable_path/Frameworks",
@@ -354,6 +358,14 @@
 				minimumVersion = 0.9.19;
 			};
 		};
+		6F09BA312E00808300CDE89C /* XCRemoteSwiftPackageReference "Dynamic" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/mhdhejazi/Dynamic";
+			requirement = {
+				kind = upToNextMajorVersion;
+				minimumVersion = 1.2.0;
+			};
+		};
 /* End XCRemoteSwiftPackageReference section */
 
 /* Begin XCSwiftPackageProductDependency section */
@@ -362,6 +374,11 @@
 			package = 6F09B7B92DEB873F00CDE89C /* XCRemoteSwiftPackageReference "ZIPFoundation" */;
 			productName = ZIPFoundation;
 		};
+		6F09BA322E00808300CDE89C /* Dynamic */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = 6F09BA312E00808300CDE89C /* XCRemoteSwiftPackageReference "Dynamic" */;
+			productName = Dynamic;
+		};
 /* End XCSwiftPackageProductDependency section */
 	};
 	rootObject = 6F09B7952DEB694B00CDE89C /* Project object */;

Pocket Poster.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -1,6 +1,15 @@
 {
-  "originHash" : "d0d4edfdf2bf3cd05b3ba2dec0af1a9c271c93f944cbba8677cc647f74a6b323",
+  "originHash" : "b781b75a76813cee1292db0b540a9eecd3df93961ced8a0063095503735dadb2",
   "pins" : [
+    {
+      "identity" : "dynamic",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/mhdhejazi/Dynamic",
+      "state" : {
+        "revision" : "ab9a2570862d54aed2663691bb767f881226a12f",
+        "version" : "1.2.0"
+      }
+    },
     {
       "identity" : "zipfoundation",
       "kind" : "remoteSourceControl",

Pocket Poster/Controllers/CPBitmapHandler.swift

@@ -0,0 +1,28 @@
+//
+//  CPBitmapHandler.swift
+//  Pocket Poster
+//
+//  Created by lemin on 6/16/25.
+//
+
+import UIKit
+import Dynamic
+
+class CPBitmapHandler {
+    static func resizeAndSave(image: UIImage, to url: URL, size: CGSize) throws {
+        UIGraphicsBeginImageContextWithOptions(size, false, 0.0)
+        image.draw(in: CGRect(origin: CGPoint.zero, size: size))
+        let resizedImage = UIGraphicsGetImageFromCurrentImageContext()!
+        UIGraphicsEndImageContext()
+        
+        try? FileManager.default.removeItem(at: url)
+
+        resizedImage.writeToCPBitmapFile(to: url.path() as NSString)
+    }
+}
+
+extension UIImage {
+    func writeToCPBitmapFile(to path: NSString) {
+        Dynamic(self).writeToCPBitmapFile(path, flags: 1)
+    }
+}

Pocket Poster/Controllers/PosterBoardManager.swift

@@ -273,6 +273,32 @@ class PosterBoardManager: ObservableObject {
         }
     }
     
+    func applyCarPlay(appHash: String, wallpapers: [CarPlayWallpaper]) throws {
+        // write the image
+        var toRemove: [URL] = []
+        for wallpaper in wallpapers {
+            if let data = wallpaper.selectedImageDataLight, let img = UIImage(data: data) {
+                let imgURL = SymHandler.getDocumentsDirectory().appendingPathComponent("CAR\(wallpaper.name)Dynamic-Light-11.cpbitmap")
+                img.writeToCPBitmapFile(to: imgURL.path() as NSString)
+                toRemove.append(imgURL)
+            }
+            if let data = wallpaper.selectedImageDataDark, let img = UIImage(data: data) {
+                let imgURL = SymHandler.getDocumentsDirectory().appendingPathComponent("CAR\(wallpaper.name)Dynamic-Dark-11.cpbitmap")
+                img.writeToCPBitmapFile(to: imgURL.path() as NSString)
+                toRemove.append(imgURL)
+            }
+        }
+        
+        // symlink and apply
+        let _ = try SymHandler.createAppSymlink(for: "\(appHash)/Library/Caches/MappedImageCache/com.apple.CarPlayApp.wallpaper-images")
+        defer {
+            SymHandler.cleanup()
+        }
+        for imgURL in toRemove {
+            try FileManager.default.trashItem(at: imgURL, resultingItemURL: nil)
+        }
+    }
+    
     static func clearCache() throws {
         SymHandler.cleanup()
         let docDir = SymHandler.getDocumentsDirectory()

Pocket Poster/Localizable.xcstrings

@@ -88,6 +88,9 @@
           }
         }
       }
+    },
+    "Apply CarPlay Wallpapers" : {
+
     },
     "Applying Wallpapers..." : {
       "localizations" : {
@@ -132,6 +135,12 @@
           }
         }
       }
+    },
+    "CarPlay" : {
+
+    },
+    "CarPlay Wallpapers" : {
+
     },
     "Clear App Cache" : {
       "localizations" : {
@@ -400,6 +409,7 @@
       }
     },
     "Enter App Hash" : {
+      "extractionState" : "stale",
       "localizations" : {
         "es" : {
           "stringUnit" : {
@@ -420,6 +430,15 @@
           }
         }
       }
+    },
+    "Enter CarPlayWallpaper App Hash" : {
+
+    },
+    "Enter PosterBoard App Hash" : {
+
+    },
+    "Enter your CarPlayWallpaper app hash in Settings." : {
+
     },
     "Enter your PosterBoard app hash in Settings." : {
       "localizations" : {

Pocket Poster/Views/NavigatorViews/CarPlayView.swift

@@ -0,0 +1,190 @@
+//
+//  CarPlayView.swift
+//  Pocket Poster
+//
+//  Created by lemin on 6/19/25.
+//
+
+import SwiftUI
+import PhotosUI
+
+struct CarPlayWallpaper: Identifiable {
+    var id = UUID()
+    var name: String
+    var lightImage: UIImage
+    var darkImage: UIImage
+    var selectedImageDataLight: Data?
+    var selectedImageDataDark: Data?
+    var changed: Bool
+}
+
+struct CarPlayView: View {
+    @State var wallpapers: [CarPlayWallpaper] = []
+    @State var didChange: Bool = false
+    @State var showDark: Bool = false
+    
+    @AppStorage("cpHash") var cpHash: String = ""
+    @ObservedObject var pbManager = PosterBoardManager.shared
+    
+    var body: some View {
+        NavigationStack {
+            ScrollView {
+                if wallpapers.isEmpty {
+                    ProgressView()
+                } else {
+                    LazyVGrid(columns: [GridItem(.adaptive(minimum: 150, maximum: 250))]) {
+                        ForEach($wallpapers) { wallpaper in
+                            WallpaperView(wallpaper: wallpaper, didChange: $didChange, showDark: $showDark)
+                        }
+                    }
+                    .padding()
+                }
+                
+                if cpHash == "" {
+                    Text("Enter your CarPlayWallpaper app hash in Settings.")
+                        .padding()
+                } else if didChange {
+                    Button(action: {
+                        UIImpactFeedbackGenerator(style: .soft).impactOccurred()
+                        UIApplication.shared.alert(title: NSLocalizedString("Applying Wallpapers...", comment: ""), body: NSLocalizedString("Please wait", comment: ""), animated: false, withButton: false)
+
+                        DispatchQueue.global(qos: .userInitiated).async {
+                            do {
+                                try pbManager.applyCarPlay(appHash: cpHash, wallpapers: wallpapers)
+                                SymHandler.cleanup() // just to be extra sure
+                                try? FileManager.default.removeItem(at: pbManager.getTendiesStoreURL())
+                                UIApplication.shared.dismissAlert(animated: false)
+                                DispatchQueue.main.asyncAfter(deadline: .now() + 0.35, execute: {
+                                    pbManager.selectedTendies.removeAll()
+                                    Haptic.shared.notify(.success)
+                                    UIApplication.shared.confirmAlert(title: NSLocalizedString("Success!", comment: ""), body: NSLocalizedString("The PosterBoard app will now open. Please close it from the app switcher.", comment: ""), onOK: {
+                                        if !pbManager.openPosterBoard() {
+                                            UIApplication.shared.confirmAlert(title: NSLocalizedString("Falling Back to Shortcut", comment: ""), body: NSLocalizedString("PosterBoard failed to open directly. The fallback shortcut will now be opened.", comment: ""), onOK: {
+                                                pbManager.runShortcut(named: "PosterBoard")
+                                            }, noCancel: true)
+                                        }
+                                    }, noCancel: true)
+                                })
+                            } catch CocoaError.fileWriteUnknown {
+                                presentError(ApplyError.wrongAppHash)
+                            } catch CocoaError.fileWriteFileExists {
+                                presentError(ApplyError.collectionsNeedsReset)
+                            } catch {
+                                print(error.localizedDescription)
+                                presentError(ApplyError.unexpected(info: error.localizedDescription))
+                            }
+                        }
+                    }) {
+                        Label("Apply CarPlay Wallpapers", systemImage: "checkmark.circle")
+                    }
+                    .buttonStyle(TintedButton(color: .blue, fullwidth: true))
+                    .padding()
+                }
+            }
+            .navigationTitle("CarPlay Wallpapers")
+            .toolbar {
+                ToolbarItem(placement: .topBarTrailing, content: {
+                    Button(action: {
+                        withAnimation {
+                            showDark.toggle()
+                        }
+                    }) {
+                        Image(systemName: showDark ? "moon" : "sun.max")
+                    }
+                })
+            }
+        }
+        .onAppear {
+            if wallpapers.isEmpty {
+                // load the wallpapers
+                let frameworkPath = "/System/Library/PrivateFrameworks/CarPlayUIServices.framework"
+                do {
+                    for file in try FileManager.default.contentsOfDirectory(at: URL(fileURLWithPath: frameworkPath), includingPropertiesForKeys: nil, options: .skipsHiddenFiles) {
+                        if file.path().hasSuffix("-Light.heic") {
+                            let imgData = try Data(contentsOf: file)
+                            if let wpImg = UIImage(data: imgData) {
+                                var darkImg = wpImg
+                                if let darkData = try? Data(contentsOf: URL(fileURLWithPath: file.path().replacingOccurrences(of: "-Light.heic", with: "-Dark.heic"))) {
+                                    darkImg = UIImage(data: darkData) ?? wpImg
+                                }
+                                let name = file.lastPathComponent.replacingOccurrences(of: "-Light.heic", with: "")
+                                wallpapers.append(.init(name: name, lightImage: wpImg, darkImage: darkImg, changed: false))
+                            }
+                        }
+                    }
+                } catch {
+                    print(error.localizedDescription)
+                }
+            }
+        }
+    }
+    
+    func presentError(_ error: ApplyError) {
+        SymHandler.cleanup()
+        UIApplication.shared.dismissAlert(animated: false)
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.35, execute: {
+            Haptic.shared.notify(.error)
+            UIApplication.shared.alert(body: error.localizedDescription)
+        })
+    }
+}
+
+struct WallpaperView: View {
+    @Binding var wallpaper: CarPlayWallpaper
+    @Binding var didChange: Bool
+    @Binding var showDark: Bool
+    
+    @State private var selectedItem: PhotosPickerItem? = nil
+    
+    var body: some View {
+        PhotosPicker(
+            selection: $selectedItem,
+            matching: .images,
+            photoLibrary: .shared()) {
+                VStack {
+                    if showDark {
+                        if let data = wallpaper.selectedImageDataDark, let img = UIImage(data: data) {
+                            WallpaperImageView(img: img)
+                        } else {
+                            WallpaperImageView(img: wallpaper.darkImage)
+                        }
+                    } else {
+                        if let data = wallpaper.selectedImageDataLight, let img = UIImage(data: data) {
+                            WallpaperImageView(img: img)
+                        } else {
+                            WallpaperImageView(img: wallpaper.lightImage)
+                        }
+                    }
+                }
+            }
+            .overlay {
+                RoundedRectangle(cornerRadius: 8)
+                    .stroke(.gray, lineWidth: 2)
+            }
+            .onChange(of: selectedItem) { newItem in
+                Task {
+                    // Retrieve selected asset in the form of Data
+                    if let data = try? await newItem?.loadTransferable(type: Data.self) {
+                        if showDark {
+                            wallpaper.selectedImageDataDark = data
+                        } else {
+                            wallpaper.selectedImageDataLight = data
+                        }
+                        didChange = true
+                    }
+                }
+            }
+    }
+}
+
+struct WallpaperImageView: View {
+    var img: UIImage
+    
+    var body: some View {
+        Image(uiImage: img)
+            .resizable()
+            .aspectRatio(1.25, contentMode: .fill)
+            .cornerRadius(8)
+            .clipped()
+    }
+}

Pocket Poster/Views/RootView.swift

@@ -18,6 +18,10 @@ struct RootView: View {
                 .tabItem {
                     Label("Videos", systemImage: "camera")
                 }
+            CarPlayView()
+                .tabItem {
+                    Label("CarPlay", systemImage: "car")
+                }
         }
     }
 }

Pocket Poster/Views/SettingsView.swift

@@ -10,6 +10,7 @@ import SwiftUI
 struct SettingsView: View {
     // Prefs
     @AppStorage("pbHash") var pbHash: String = ""
+    @AppStorage("cpHash") var cpHash: String = ""
     
     @State var checkingForHash: Bool = false
     @State var hashCheckTask: Task<Void, any Error>? = nil
@@ -18,14 +19,17 @@ struct SettingsView: View {
         List {
             Section {
                 VStack {
-                    TextField("Enter App Hash", text: $pbHash)
+                    TextField("Enter PosterBoard App Hash", text: $pbHash)
+                        .textFieldStyle(RoundedBorderTextFieldStyle())
+                        .font(.system(.body, design: .monospaced))
+                    TextField("Enter CarPlayWallpaper App Hash", text: $cpHash)
                         .textFieldStyle(RoundedBorderTextFieldStyle())
                         .font(.system(.body, design: .monospaced))
                     HStack {
                         Spacer()
                         // Run task to check until file exists from Nugget pc over AFC
                         Button(action: {
-                            UIApplication.shared.confirmAlert(title: "Waiting for app hash...", body: "Connect your device to Nugget and click the \"Pocket Poster Helper\" button.", confirmTitle: "Cancel", onOK: {
+                            UIApplication.shared.confirmAlert(title: "Waiting for app hashes...", body: "Connect your device to Nugget and click the \"Pocket Poster Helper\" button.", confirmTitle: "Cancel", onOK: {
                                 cancelWaitForHash()
                             }, noCancel: true)
                             startWaitForHash()
@@ -33,7 +37,7 @@ struct SettingsView: View {
                             Text("Detect")
                         }
                         .foregroundStyle(.green)
-                        .onChange(of: checkingForHash) {
+                        .onChange(of: checkingForHash) { _ in
                             if !checkingForHash {
                                 // hide ui alert
                                 UIApplication.shared.dismissAlert(animated: true)
@@ -137,6 +141,9 @@ struct SettingsView: View {
                     if let pb = items.first {
                         pbHash = String(pb)
                     }
+                    if items.count >= 2 {
+                        cpHash = String(items[1])
+                    }
                 }
             } catch {
                 print(error.localizedDescription)