open source astra example

.gitignore

@@ -168,3 +168,5 @@ cython_debug/
 #  and can be added to the global gitignore or merged into this file.  For a more nuclear
 #  option (not recommended) you can uncomment the following to ignore the entire idea folder.
 #.idea/
+
+**/*.xcodeproj/*

examples/astra/astra.xcodeproj/project.pbxproj

@@ -0,0 +1,651 @@
+// !$*UTF8*$!
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+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphoneos*]" = UIStatusBarStyleDefault;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphonesimulator*]" = UIStatusBarStyleDefault;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.5;
+				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
+				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 14.4;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = net.exolabs.astra;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		FA3E98B22C725A0300E4E795 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_ENTITLEMENTS = astra/astra.entitlements;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_ASSET_PATHS = "\"astra/Preview Content\"";
+				DEVELOPMENT_TEAM = 8NFAS2P4ND;
+				ENABLE_HARDENED_RUNTIME = YES;
+				ENABLE_PREVIEWS = YES;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_KEY_NSMicrophoneUsageDescription = "Uses your microphone for transcribing audio";
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphoneos*]" = YES;
+				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphonesimulator*]" = YES;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphoneos*]" = UIStatusBarStyleDefault;
+				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphonesimulator*]" = UIStatusBarStyleDefault;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPhone = "UIInterfaceOrientationPortrait UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight";
+				IPHONEOS_DEPLOYMENT_TARGET = 17.5;
+				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
+				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
+				MACOSX_DEPLOYMENT_TARGET = 14.4;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = net.exolabs.astra;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+		FA3E98B42C725A0300E4E795 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 8NFAS2P4ND;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.5;
+				MACOSX_DEPLOYMENT_TARGET = 14.4;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = net.exolabs.astraTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/astra.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/astra";
+			};
+			name = Debug;
+		};
+		FA3E98B52C725A0300E4E795 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				BUNDLE_LOADER = "$(TEST_HOST)";
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 8NFAS2P4ND;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.5;
+				MACOSX_DEPLOYMENT_TARGET = 14.4;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = net.exolabs.astraTests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_HOST = "$(BUILT_PRODUCTS_DIR)/astra.app/$(BUNDLE_EXECUTABLE_FOLDER_PATH)/astra";
+			};
+			name = Release;
+		};
+		FA3E98B72C725A0300E4E795 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 8NFAS2P4ND;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.5;
+				MACOSX_DEPLOYMENT_TARGET = 14.4;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = net.exolabs.astraUITests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = astra;
+			};
+			name = Debug;
+		};
+		FA3E98B82C725A0300E4E795 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_EMBED_SWIFT_STANDARD_LIBRARIES = YES;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 8NFAS2P4ND;
+				GENERATE_INFOPLIST_FILE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 17.5;
+				MACOSX_DEPLOYMENT_TARGET = 14.4;
+				MARKETING_VERSION = 1.0;
+				PRODUCT_BUNDLE_IDENTIFIER = net.exolabs.astraUITests;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				SDKROOT = auto;
+				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx";
+				SWIFT_EMIT_LOC_STRINGS = NO;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+				TEST_TARGET_NAME = astra;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		FA3E98862C725A0200E4E795 /* Build configuration list for PBXProject "astra" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				FA3E98AE2C725A0300E4E795 /* Debug */,
+				FA3E98AF2C725A0300E4E795 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		FA3E98B02C725A0300E4E795 /* Build configuration list for PBXNativeTarget "astra" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				FA3E98B12C725A0300E4E795 /* Debug */,
+				FA3E98B22C725A0300E4E795 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		FA3E98B32C725A0300E4E795 /* Build configuration list for PBXNativeTarget "astraTests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				FA3E98B42C725A0300E4E795 /* Debug */,
+				FA3E98B52C725A0300E4E795 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		FA3E98B62C725A0300E4E795 /* Build configuration list for PBXNativeTarget "astraUITests" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				FA3E98B72C725A0300E4E795 /* Debug */,
+				FA3E98B82C725A0300E4E795 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+
+/* Begin XCRemoteSwiftPackageReference section */
+		FA3E98B92C725BF800E4E795 /* XCRemoteSwiftPackageReference "whisperkit" */ = {
+			isa = XCRemoteSwiftPackageReference;
+			repositoryURL = "https://github.com/argmaxinc/whisperkit";
+			requirement = {
+				branch = main;
+				kind = branch;
+			};
+		};
+/* End XCRemoteSwiftPackageReference section */
+
+/* Begin XCSwiftPackageProductDependency section */
+		FA3E98BA2C725BF800E4E795 /* WhisperKit */ = {
+			isa = XCSwiftPackageProductDependency;
+			package = FA3E98B92C725BF800E4E795 /* XCRemoteSwiftPackageReference "whisperkit" */;
+			productName = WhisperKit;
+		};
+/* End XCSwiftPackageProductDependency section */
+	};
+	rootObject = FA3E98832C725A0200E4E795 /* Project object */;
+}

examples/astra/astra.xcodeproj/project.xcworkspace/contents.xcworkspacedata

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:">
+   </FileRef>
+</Workspace>

examples/astra/astra.xcodeproj/project.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

@@ -0,0 +1,8 @@
+<?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>

examples/astra/astra.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -0,0 +1,33 @@
+{
+  "originHash" : "8f61689e55c5551e76f2c686d145061dc1fa621a58cbca576565ebfabc15c894",
+  "pins" : [
+    {
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser.git",
+      "state" : {
+        "revision" : "c8ed701b513cf5177118a175d85fbbbcd707ab41",
+        "version" : "1.3.0"
+      }
+    },
+    {
+      "identity" : "swift-transformers",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/huggingface/swift-transformers.git",
+      "state" : {
+        "revision" : "74b94211bdc741694ed7e700a1104c72e5ba68fe",
+        "version" : "0.1.7"
+      }
+    },
+    {
+      "identity" : "whisperkit",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/argmaxinc/whisperkit",
+      "state" : {
+        "branch" : "main",
+        "revision" : "59aaa4e5f211622f9a5e133440220d9974641d3b"
+      }
+    }
+  ],
+  "version" : 3
+}

examples/astra/astra/Assets.xcassets/AccentColor.colorset/Contents.json

@@ -0,0 +1,11 @@
+{
+  "colors" : [
+    {
+      "idiom" : "universal"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/astra/astra/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -0,0 +1,63 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "16x16"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "32x32"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "128x128"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "256x256"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "1x",
+      "size" : "512x512"
+    },
+    {
+      "idiom" : "mac",
+      "scale" : "2x",
+      "size" : "512x512"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/astra/astra/Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/astra/astra/ContentView.swift

@@ -0,0 +1,243 @@
+import SwiftUI
+import WhisperKit
+import AVFoundation
+
+struct ContentView: View {
+    @State private var whisperKit: WhisperKit?
+    @State private var isListening = false
+    @State private var currentText = ""
+    @State private var bufferSeconds: Double = 0.5 // or whatever the actual buffer size is
+    @State private var modelState: ModelState = .unloaded
+    
+    @AppStorage("selectedModel") private var selectedModel: String = "large"
+    @AppStorage("selectedLanguage") private var selectedLanguage: String = "english"
+    @AppStorage("selectedTask") private var selectedTask: String = "transcribe"
+    
+    @State private var isRecordingMemo = false
+    @State private var currentMemo = ""
+    @State private var lastVoiceActivityTime = Date()
+    @State private var silenceTimer: Timer?
+    @State private var voiceActivityThreshold: Float = 0.3 // Start with a lower value
+    @State private var silenceTimeThreshold = 1.0
+    @State private var debugText = ""
+
+    var body: some View {
+        VStack {
+            Text(currentText)
+                .padding()
+            
+            Text(isListening ? "Listening..." : "Not listening")
+                .foregroundColor(isListening ? .green : .red)
+            
+            if isRecordingMemo {
+                Text("Recording memo...")
+                    .foregroundColor(.blue)
+            }
+            
+            Picker("Model", selection: $selectedModel) {
+                Text("large").tag("large")
+                Text("base").tag("base")
+                Text("small").tag("small")
+            }
+            .pickerStyle(SegmentedPickerStyle())
+            .padding()
+            
+            Button("Load Model") {
+                loadModel(selectedModel)
+            }
+            .disabled(modelState == .loaded)
+            .padding()
+            
+            Text("Model State: \(modelState.description)")
+            
+            Text(debugText)
+                .font(.caption)
+                .foregroundColor(.gray)
+            
+            Slider(value: $voiceActivityThreshold, in: 0.01...1.0) {
+                Text("Voice Activity Threshold: \(voiceActivityThreshold, specifier: "%.2f")")
+            }
+        }
+        .onAppear {
+            setupWhisperKit()
+        }
+    }
+    
+    private func setupWhisperKit() {
+        Task {
+            do {
+                whisperKit = try await WhisperKit(verbose: true)
+                print("WhisperKit initialized successfully")
+                startListening()
+            } catch {
+                print("Error initializing WhisperKit: \(error)")
+            }
+        }
+    }
+    
+    private func loadModel(_ model: String) {
+        Task {
+            let success = try await loadModel(selectedModel)
+            if success {
+                startListening()
+            } else {
+                print("Model failed to load, cannot start listening")
+            }
+        }
+    }
+    
+    private func startListening() {
+        guard let audioProcessor = whisperKit?.audioProcessor else {
+            print("AudioProcessor not available")
+            return
+        }
+        
+        do {
+            try audioProcessor.startRecordingLive { buffer in
+                DispatchQueue.main.async {
+                    checkVoiceActivity()
+                }
+            }
+            isListening = true
+        } catch {
+            print("Error starting listening: \(error)")
+        }
+    }
+    
+    private func checkVoiceActivity() {
+        guard let audioProcessor = whisperKit?.audioProcessor else { return }
+        
+        let voiceDetected = AudioProcessor.isVoiceDetected(
+            in: audioProcessor.relativeEnergy,
+            nextBufferInSeconds: Float(bufferSeconds),
+            silenceThreshold: Float(voiceActivityThreshold)
+        )
+        
+        // Debug logging
+        let energyValuesToConsider = Int(Float(bufferSeconds) / 0.1)
+        let nextBufferEnergies = audioProcessor.relativeEnergy.suffix(energyValuesToConsider)
+        let numberOfValuesToCheck = max(10, nextBufferEnergies.count - 10)
+        let relevantEnergies = Array(nextBufferEnergies.prefix(numberOfValuesToCheck))
+        
+        debugText = """
+        Buffer seconds: \(bufferSeconds)
+        Energy values to consider: \(energyValuesToConsider)
+        Number of values to check: \(numberOfValuesToCheck)
+        Silence threshold: \(voiceActivityThreshold)
+        Relevant energies: \(relevantEnergies)
+        Max energy: \(relevantEnergies.max() ?? 0)
+        Voice detected: \(voiceDetected)
+        """
+        
+        if voiceDetected {
+            lastVoiceActivityTime = Date()
+            if !isRecordingMemo {
+                startNewMemo()
+            }
+        } else {
+            checkSilence()
+        }
+    }
+    
+    private func checkSilence() {
+        let silenceDuration = Date().timeIntervalSince(lastVoiceActivityTime)
+        debugText += "\nSilence duration: \(silenceDuration)"
+        
+        if silenceDuration > silenceTimeThreshold {
+            endCurrentMemo()
+        }
+    }
+    
+    private func endCurrentMemo() {
+        if isRecordingMemo {
+            isRecordingMemo = false
+            silenceTimer?.invalidate()
+            silenceTimer = nil
+            if !currentMemo.isEmpty {
+                saveMemoToFile(currentMemo)
+                currentMemo = ""
+            }
+            // Flush the transcribed text and reset audio samples
+            currentText = ""
+            whisperKit?.audioProcessor.purgeAudioSamples(keepingLast: 0)
+            print("Ended memo")
+            debugText += "\nMemo ended"
+        }
+    }
+    
+    private func startNewMemo() {
+        isRecordingMemo = true
+        currentMemo = ""
+        silenceTimer?.invalidate()
+        silenceTimer = Timer.scheduledTimer(withTimeInterval: 0.5, repeats: true) { _ in
+            checkSilence()
+        }
+        transcribeInRealTime()
+        print("Started new memo")
+    }
+    
+    private func transcribeInRealTime() {
+        Task {
+            while isRecordingMemo {
+                if let samples = whisperKit?.audioProcessor.audioSamples, samples.count > WhisperKit.sampleRate {
+                    do {
+                        let result = try await whisperKit?.transcribe(audioArray: Array(samples))
+                        await MainActor.run {
+                            let newText = result?.first?.text ?? ""
+                            if !newText.isEmpty {
+                                currentMemo += newText
+                                currentText += newText
+                            }
+                        }
+                        whisperKit?.audioProcessor.purgeAudioSamples(keepingLast: 0)
+                    } catch {
+                        print("Transcription error: \(error)")
+                    }
+                }
+                try await Task.sleep(nanoseconds: 500_000_000) // Sleep for 0.5 seconds
+            }
+        }
+    }
+    
+    private func saveMemoToFile(_ memo: String) {
+        let dateFormatter = DateFormatter()
+        dateFormatter.dateFormat = "yyyy-MM-dd_HH-mm-ss"
+        let fileName = "memo_\(dateFormatter.string(from: Date())).txt"
+        
+        guard let documentsDirectory = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first else {
+            print("Unable to access documents directory")
+            return
+        }
+        
+        let fileURL = documentsDirectory.appendingPathComponent(fileName)
+        
+        do {
+            try memo.write(to: fileURL, atomically: true, encoding: .utf8)
+            print("Memo saved to: \(fileURL.path)")
+        } catch {
+            print("Error saving memo: \(error)")
+        }
+    }
+    
+    private func loadModel(_ model: String) async throws -> Bool {
+        guard let whisperKit = whisperKit else {
+            print("WhisperKit instance not initialized")
+            return false
+        }
+        
+        modelState = .loading
+        do {
+            print("Starting to load model: \(model)")
+            try await whisperKit.loadModels()
+            await MainActor.run {
+                modelState = .loaded
+                print("Model loaded successfully: \(model)")
+            }
+            return true
+        } catch {
+            print("Error loading model: \(error)")
+            await MainActor.run { modelState = .unloaded }
+            return false
+        }
+    }
+}

examples/astra/astra/Preview Content/Preview Assets.xcassets/Contents.json

@@ -0,0 +1,6 @@
+{
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}

examples/astra/astra/astra.entitlements

@@ -0,0 +1,20 @@
+<?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>com.apple.developer.kernel.increased-memory-limit</key>
+	<true/>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.device.audio-input</key>
+	<true/>
+	<key>com.apple.security.files.downloads.read-only</key>
+	<true/>
+	<key>com.apple.security.files.user-selected.read-write</key>
+	<true/>
+	<key>com.apple.security.network.client</key>
+	<true/>
+	<key>com.apple.security.network.server</key>
+	<true/>
+</dict>
+</plist>

examples/astra/astra/astraApp.swift

@@ -0,0 +1,17 @@
+//
+//  astraApp.swift
+//  astra
+//
+//  Created by Alex on 18/08/2024.
+//
+
+import SwiftUI
+
+@main
+struct astraApp: App {
+    var body: some Scene {
+        WindowGroup {
+            ContentView()
+        }
+    }
+}

examples/astra/astraTests/astraTests.swift

@@ -0,0 +1,35 @@
+//
+//  astraTests.swift
+//  astraTests
+//
+//  Created by Alex on 18/08/2024.
+//
+
+import XCTest
+
+final class astraTests: XCTestCase {
+
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() throws {
+        // This is an example of a functional test case.
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+        // Any test you write for XCTest can be annotated as throws and async.
+        // Mark your test throws to produce an unexpected failure when your test encounters an uncaught error.
+        // Mark your test async to allow awaiting for asynchronous code to complete. Check the results with assertions afterwards.
+    }
+
+    func testPerformanceExample() throws {
+        // This is an example of a performance test case.
+        measure {
+            // Put the code you want to measure the time of here.
+        }
+    }
+
+}

examples/astra/astraUITests/astraUITests.swift

@@ -0,0 +1,41 @@
+//
+//  astraUITests.swift
+//  astraUITests
+//
+//  Created by Alex on 18/08/2024.
+//
+
+import XCTest
+
+final class astraUITests: XCTestCase {
+
+    override func setUpWithError() throws {
+        // Put setup code here. This method is called before the invocation of each test method in the class.
+
+        // In UI tests it is usually best to stop immediately when a failure occurs.
+        continueAfterFailure = false
+
+        // In UI tests it’s important to set the initial state - such as interface orientation - required for your tests before they run. The setUp method is a good place to do this.
+    }
+
+    override func tearDownWithError() throws {
+        // Put teardown code here. This method is called after the invocation of each test method in the class.
+    }
+
+    func testExample() throws {
+        // UI tests must launch the application that they test.
+        let app = XCUIApplication()
+        app.launch()
+
+        // Use XCTAssert and related functions to verify your tests produce the correct results.
+    }
+
+    func testLaunchPerformance() throws {
+        if #available(macOS 10.15, iOS 13.0, tvOS 13.0, watchOS 7.0, *) {
+            // This measures how long it takes to launch your application.
+            measure(metrics: [XCTApplicationLaunchMetric()]) {
+                XCUIApplication().launch()
+            }
+        }
+    }
+}

examples/astra/astraUITests/astraUITestsLaunchTests.swift

@@ -0,0 +1,32 @@
+//
+//  astraUITestsLaunchTests.swift
+//  astraUITests
+//
+//  Created by Alex on 18/08/2024.
+//
+
+import XCTest
+
+final class astraUITestsLaunchTests: XCTestCase {
+
+    override class var runsForEachTargetApplicationUIConfiguration: Bool {
+        true
+    }
+
+    override func setUpWithError() throws {
+        continueAfterFailure = false
+    }
+
+    func testLaunch() throws {
+        let app = XCUIApplication()
+        app.launch()
+
+        // Insert steps here to perform after app launch but before taking a screenshot,
+        // such as logging into a test account or navigating somewhere in the app
+
+        let attachment = XCTAttachment(screenshot: app.screenshot())
+        attachment.name = "Launch Screen"
+        attachment.lifetime = .keepAlways
+        add(attachment)
+    }
+}