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@ -1,6 +1,8 @@ |
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import Foundation |
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import CoreBluetooth |
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import os.log |
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import ObjectiveC // 添加ObjC运行时支持 |
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import AVFoundation |
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// 条件编译只导入在iOS 18+上可用的框架 |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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@ -21,23 +23,51 @@ class BleAccessorySetup: NSObject { |
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@available(iOS 18.0, *) |
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class AccessorySessionWrapper { |
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var session: ASAccessorySession |
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var isActivated = false |
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init() throws { |
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do { |
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os_log("尝试初始化ASAccessorySession...", log: BleAccessorySetup.shared.logger, type: .debug) |
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// 根据WWDC24示例，使用无参初始化 |
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self.session = try ASAccessorySession() |
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os_log("ASAccessorySession初始化成功", log: BleAccessorySetup.shared.logger, type: .info) |
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} catch { |
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print("ASAccessorySession 初始化错误: \(error.localizedDescription)") |
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os_log("ASAccessorySession初始化错误: %{public}@", log: BleAccessorySetup.shared.logger, type: .error, error.localizedDescription) |
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// 检查Info.plist配置 |
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if let plistSupports = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupKitSupports") { |
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os_log("NSAccessorySetupKitSupports: %{public}@", log: BleAccessorySetup.shared.logger, type: .debug, String(describing: plistSupports)) |
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} else { |
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os_log("NSAccessorySetupKitSupports未配置", log: BleAccessorySetup.shared.logger, type: .error) |
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} |
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if let services = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupBluetoothServices") { |
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os_log("NSAccessorySetupBluetoothServices: %{public}@", log: BleAccessorySetup.shared.logger, type: .debug, String(describing: services)) |
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} else { |
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os_log("NSAccessorySetupBluetoothServices未配置", log: BleAccessorySetup.shared.logger, type: .error) |
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} |
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if let companyIds = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupBluetoothCompanyIdentifiers") { |
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os_log("NSAccessorySetupBluetoothCompanyIdentifiers: %{public}@", log: BleAccessorySetup.shared.logger, type: .debug, String(describing: companyIds)) |
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} else { |
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os_log("NSAccessorySetupBluetoothCompanyIdentifiers未配置", log: BleAccessorySetup.shared.logger, type: .error) |
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} |
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throw error |
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} |
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} |
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} |
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var accessorySessionWrapper: Any? |
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// 添加初始化完成回调 |
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private var onSessionActivated: (() -> Void)? |
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typealias DeviceDiscoveredCallback = (UUID) -> Void |
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private var onDeviceDiscovered: DeviceDiscoveredCallback? |
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#endif |
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private var isInitializing = false |
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private override init() { |
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super.init() |
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} |
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@ -45,6 +75,7 @@ class BleAccessorySetup: NSObject { |
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// 设置BLE服务实例 |
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func setBleService(_ service: Any) { |
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self.bleService = service |
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os_log("BLE服务实例已设置", log: logger, type: .info) |
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} |
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// 设置设备发现回调 |
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@ -52,6 +83,7 @@ class BleAccessorySetup: NSObject { |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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if #available(iOS 18.0, *) { |
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self.onDeviceDiscovered = callback |
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os_log("设备发现回调已设置", log: logger, type: .debug) |
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} |
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#endif |
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} |
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@ -60,29 +92,77 @@ class BleAccessorySetup: NSObject { |
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func initializeDiscoverySession() { |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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if #available(iOS 18.0, *) { |
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os_log("初始化iOS 18 AccessorySetupKit会话", log: logger, type: .info) |
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// 避免重复初始化 |
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if isInitializing { |
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os_log("初始化正在进行中，请等待...", log: logger, type: .debug) |
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return |
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} |
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// 检查Info.plist配置 |
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let plistCheck = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupKitSupports") |
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os_log("Info.plist NSAccessorySetupKitSupports: %{public}@", log: logger, type: .info, String(describing: plistCheck)) |
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// 如果会话已经存在且已激活，无需重新初始化 |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper, wrapper.isActivated { |
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os_log("会话已经初始化并激活", log: logger, type: .info) |
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return |
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} |
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isInitializing = true |
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os_log("初始化iOS 18 AccessorySetupKit会话...", log: logger, type: .debug) |
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// 检查Info.plist配置并详细打印 |
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if let plistCheck = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupKitSupports") { |
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os_log("NSAccessorySetupKitSupports配置: %{public}@", log: logger, type: .debug, String(describing: plistCheck)) |
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} else { |
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os_log("NSAccessorySetupKitSupports未配置", log: logger, type: .error) |
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} |
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if let services = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupBluetoothServices") { |
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os_log("NSAccessorySetupBluetoothServices配置: %{public}@", log: logger, type: .debug, String(describing: services)) |
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} else { |
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os_log("NSAccessorySetupBluetoothServices未配置", log: logger, type: .error) |
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} |
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if let companyIds = Bundle.main.object(forInfoDictionaryKey: "NSAccessorySetupBluetoothCompanyIdentifiers") { |
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os_log("NSAccessorySetupBluetoothCompanyIdentifiers配置: %{public}@", log: logger, type: .debug, String(describing: companyIds)) |
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} else { |
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os_log("NSAccessorySetupBluetoothCompanyIdentifiers未配置", log: logger, type: .error) |
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} |
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// 创建会话 (使用try-catch) |
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do { |
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os_log("尝试创建AccessorySessionWrapper...", log: logger, type: .debug) |
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accessorySessionWrapper = try AccessorySessionWrapper() |
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os_log("AccessorySessionWrapper创建成功", log: logger, type: .info) |
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// 激活会话并设置事件处理 |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper { |
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os_log("尝试激活ASAccessorySession...", log: logger, type: .debug) |
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wrapper.session.activate(on: .main) { [weak self] event in |
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guard let self = self else { return } |
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guard let self = self else { |
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os_log("self已被释放，无法处理事件", log: BleAccessorySetup.shared.logger, type: .error) |
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return |
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} |
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os_log("收到ASAccessorySession事件: %{public}d", log: self.logger, type: .debug, event.eventType.rawValue) |
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switch event.eventType { |
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case .activated: |
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os_log("AccessorySetupKit会话已激活", log: self.logger, type: .info) |
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// 标记会话已激活 |
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if let wrapper = self.accessorySessionWrapper as? AccessorySessionWrapper { |
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wrapper.isActivated = true |
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// 触发激活回调 |
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DispatchQueue.main.async { |
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self.onSessionActivated?() |
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self.onSessionActivated = nil // 防止重复调用 |
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} |
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} |
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case .accessoryAdded: |
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if let accessory = event.accessory, let uuid = accessory.bluetoothIdentifier { |
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os_log("发现新设备: %{public}@", log: self.logger, type: .info, accessory.displayName) |
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self.onDeviceDiscovered?(uuid) |
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} else { |
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os_log("设备添加事件但缺少设备信息或UUID", log: self.logger, type: .debug) |
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} |
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case .accessoryRemoved: |
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@ -100,6 +180,8 @@ class BleAccessorySetup: NSObject { |
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case .pickerSetupFailed: |
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if let error = event.error { |
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os_log("会话出错: %{public}@", log: self.logger, type: .error, error.localizedDescription) |
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} else { |
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os_log("会话出错但无错误详情", log: self.logger, type: .debug) |
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} |
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default: |
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@ -108,76 +190,239 @@ class BleAccessorySetup: NSObject { |
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} |
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// 检查现有授权设备 |
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if !wrapper.session.accessories.isEmpty { |
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os_log("发现%{public}d个已授权设备", log: logger, type: .info, wrapper.session.accessories.count) |
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let accessoriesCount = wrapper.session.accessories.count |
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os_log("发现%{public}d个已授权设备", log: logger, type: .info, accessoriesCount) |
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if accessoriesCount > 0 { |
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// 如果有现有设备，触发回调 |
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for accessory in wrapper.session.accessories { |
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if let uuid = accessory.bluetoothIdentifier { |
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os_log("处理已授权设备: %{public}@", log: logger, type: .info, accessory.displayName) |
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self.onDeviceDiscovered?(uuid) |
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} else { |
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os_log("已授权设备缺少UUID: %{public}@", log: logger, type: .debug, accessory.displayName) |
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} |
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} |
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} |
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} else { |
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os_log("accessorySessionWrapper类型转换失败", log: logger, type: .error) |
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} |
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} catch { |
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os_log("AccessorySetupKit初始化错误: %{public}@", log: logger, type: .error, error.localizedDescription) |
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os_log("致命错误：AccessorySetupKit初始化失败: %{public}@", log: logger, type: .error, error.localizedDescription) |
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// 重置初始化状态 |
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isInitializing = false |
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// 释放失败的会话 |
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accessorySessionWrapper = nil |
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// 尝试通知可能正在等待的回调 |
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DispatchQueue.main.async { |
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self.onSessionActivated?() |
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self.onSessionActivated = nil |
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} |
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} |
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} else { |
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os_log("iOS 18 AccessorySetupKit不可用", log: logger, type: .info) |
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os_log("当前iOS版本不支持AccessorySetupKit", log: logger, type: .info) |
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// 即使在不支持的系统上，也要调用回调 |
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DispatchQueue.main.async { |
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self.onSessionActivated?() |
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self.onSessionActivated = nil |
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} |
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} |
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#else |
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os_log("iOS 18 AccessorySetupKit不可用", log: logger, type: .info) |
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os_log("构建环境不支持AccessorySetupKit", log: logger, type: .info) |
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// 即使在不支持的环境中，也要调用回调 |
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DispatchQueue.main.async { |
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self.onSessionActivated?() |
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self.onSessionActivated = nil |
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} |
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#endif |
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// 完成初始化过程 |
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isInitializing = false |
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} |
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// 初始化会话并在完成后执行回调 |
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func initializeSessionAndRun(completion: @escaping () -> Void) { |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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if #available(iOS 18.0, *) { |
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os_log("安全初始化会话...", log: logger, type: .debug) |
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// 如果会话已存在且已激活 |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper, wrapper.isActivated { |
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os_log("会话已初始化并激活，直接执行回调", log: logger, type: .info) |
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completion() |
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return |
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} |
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// 如果会话存在但未激活，设置回调 |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper, !wrapper.isActivated { |
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os_log("会话已创建但未激活，等待激活...", log: logger, type: .debug) |
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self.onSessionActivated = completion |
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return |
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} |
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// 需要从头创建会话 |
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os_log("需要创建新会话...", log: logger, type: .debug) |
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self.onSessionActivated = completion |
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initializeDiscoverySession() |
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} else { |
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// 不支持iOS 18，直接执行回调 |
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completion() |
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} |
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#else |
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// 不支持AccessorySetupKit，直接执行回调 |
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completion() |
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#endif |
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} |
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// 重置会话状态 |
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func resetSession() { |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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if #available(iOS 18.0, *) { |
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os_log("重置AccessorySetupKit会话...", log: logger, type: .debug) |
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// 取消可能挂起的回调 |
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onSessionActivated = nil |
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// 清理现有会话 |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper { |
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os_log("清理现有会话", log: logger, type: .debug) |
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wrapper.session.invalidate() |
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} |
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// 重置状态 |
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accessorySessionWrapper = nil |
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isInitializing = false |
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os_log("会话已重置", log: logger, type: .info) |
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} |
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#endif |
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} |
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// 安全显示设备选择器 |
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func safeShowDevicePicker() { |
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// 重置会话状态，确保干净的重新初始化 |
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resetSession() |
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initializeSessionAndRun { [weak self] in |
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guard let self = self else { return } |
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self.showDevicePicker() |
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} |
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} |
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// 显示设备选择器 |
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func showDevicePicker() { |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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if #available(iOS 18.0, *) { |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper { |
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os_log("显示iOS 18设备选择器", log: logger, type: .info) |
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os_log("尝试显示设备选择器...", log: logger, type: .debug) |
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// 创建描述符和选择器项，这些API也需要iOS 18 |
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@available(iOS 18.0, *) |
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func createAndShowPicker() { |
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// 根据WWDC24视频，正确的类名是ASDiscoveryDescriptor |
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let descriptor = ASDiscoveryDescriptor() |
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// 检查会话是否已初始化 |
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if accessorySessionWrapper == nil { |
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os_log("会话未初始化，尝试自动初始化...", log: logger, type: .debug) |
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safeShowDevicePicker() |
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return |
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} |
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// 设置过滤条件 |
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// 使用UInt16格式的公司标识符 |
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descriptor.bluetoothCompanyIdentifier = ASBluetoothCompanyIdentifier(UInt16(0xABEF)) // BleConst.MANUFACTURER_ID |
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descriptor.bluetoothServiceUUID = CBUUID(string: "0000abc0-0000-1111-2222-123456789abc") // BleConst.PRIMARY_SERVICE_UUID |
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if let wrapper = accessorySessionWrapper as? AccessorySessionWrapper { |
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// 检查会话是否已激活 |
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if !wrapper.isActivated { |
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os_log("会话尚未激活，等待激活后再显示...", log: logger, type: .debug) |
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onSessionActivated = { [weak self] in |
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self?.showDevicePicker() |
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} |
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return |
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} |
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os_log("找到会话包装器，准备显示选择器", log: logger, type: .info) |
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// 创建默认图像以防系统图标不可用 |
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let headphonesImage = UIImage(systemName: "headphones") ?? UIImage() |
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// 根据WWDC24示例代码创建设备描述符和显示项 |
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os_log("创建设备描述符...", log: logger, type: .debug) |
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let descriptor = ASDiscoveryDescriptor() |
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// 根据WWDC24视频，正确的类名是ASPickerDisplayItem |
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// 设置蓝牙服务UUID |
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// let serviceUUID = "0000abc0-0000-1111-2222-123456789abc" // BleConst.PRIMARY_SERVICE_UUID |
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// os_log("📝 设置服务UUID: %{public}@", log: logger, type: .debug, serviceUUID) |
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// descriptor.bluetoothServiceUUID = CBUUID(string: serviceUUID) |
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// 设置制造商ID |
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os_log("设置公司ID: 0xABEF", log: logger, type: .debug) |
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// descriptor.setValue(UInt16(0xABEF), forKey: "bluetoothCompanyIdentifier") |
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descriptor.bluetoothCompanyIdentifier = ASBluetoothCompanyIdentifier(0xEFAB) |
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// 创建默认图像 |
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os_log("获取设备图标...", log: logger, type: .debug) |
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let deviceImage = UIImage(systemName: "headphones") ?? UIImage() |
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// 创建显示项 |
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os_log("创建选择器显示项...", log: logger, type: .debug) |
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let displayItem = ASPickerDisplayItem( |
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name: "语音助理耳机", |
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productImage: headphonesImage, |
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productImage: deviceImage, |
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descriptor: descriptor |
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) |
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// 显示选择器 |
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wrapper.session.showPicker(for: [displayItem]) { error in |
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// 确保在主线程上调用 |
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DispatchQueue.main.async { [weak self] in |
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guard let self = self else { return } |
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os_log("调用showPicker方法...", log: self.logger, type: .debug) |
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// 再次检查Info.plist配置 |
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let bundle = Bundle.main |
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os_log("Info.plist检查:", log: self.logger, type: .debug) |
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if let supports = bundle.object(forInfoDictionaryKey: "NSAccessorySetupKitSupports") as? [String] { |
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os_log("NSAccessorySetupKitSupports: %{public}@", log: self.logger, type: .debug, supports.description) |
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} |
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if let services = bundle.object(forInfoDictionaryKey: "NSAccessorySetupBluetoothServices") as? [String] { |
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os_log("NSAccessorySetupBluetoothServices: %{public}@", log: self.logger, type: .debug, services.description) |
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} |
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if let companyIds = bundle.object(forInfoDictionaryKey: "NSAccessorySetupBluetoothCompanyIdentifiers") as? [String] { |
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os_log("NSAccessorySetupBluetoothCompanyIdentifiers: %{public}@", log: self.logger, type: .debug, companyIds.description) |
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} |
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os_log("iOS 18环境下不检查蓝牙状态，避免创建CBCentralManager", log: self.logger, type: .debug) |
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// 使用标准方法显示选择器 |
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wrapper.session.showPicker(for: [displayItem]) { [weak self] error in |
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guard let self = self else { return } |
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if let error = error { |
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// 修复OSLog的错误用法 |
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os_log("设备选择器显示错误: %{public}@", log: self.logger, type: .error, error.localizedDescription) |
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// 错误码解析 |
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if let nsError = error as? NSError { |
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os_log("错误域: %{public}@, 错误码: %{public}d", log: self.logger, type: .error, nsError.domain, nsError.code) |
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// 解析常见错误 |
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switch nsError.code { |
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case 550: |
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os_log("错误550: CBCentralManager冲突 - 进程中已存在使用全局权限的CBCentralManager", log: self.logger, type: .error) |
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case 500...599: |
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os_log("错误%{public}d: 可能是AccessorySetupKit内部错误", log: self.logger, type: .error, nsError.code) |
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default: |
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os_log("未知错误码", log: self.logger, type: .error) |
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} |
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if let info = nsError.userInfo as? [String: Any] { |
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os_log("错误信息: %{public}@", log: self.logger, type: .error, info.description) |
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} |
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} |
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} else { |
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os_log("设备选择器显示已触发", log: self.logger, type: .info) |
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} |
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} |
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} |
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// 调用内部函数 |
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createAndShowPicker() |
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} else { |
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os_log("会话未初始化", log: logger, type: .error) |
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os_log("会话未初始化，无法显示设备选择器", log: logger, type: .error) |
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} |
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} else { |
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os_log("iOS 18 AccessorySetupKit不可用", log: logger, type: .info) |
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os_log("当前iOS版本不支持AccessorySetupKit", log: logger, type: .info) |
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} |
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#else |
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|
os_log("iOS 18 AccessorySetupKit不可用", log: logger, type: .info) |
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os_log("构建环境不支持AccessorySetupKit", log: logger, type: .info) |
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#endif |
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} |
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@ -185,24 +430,133 @@ class BleAccessorySetup: NSObject { |
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func handleDiscoveredAccessory(uuid: UUID) { |
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#if canImport(AccessorySetupKit) && swift(>=5.9) |
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if #available(iOS 18.0, *) { |
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os_log("处理UUID为%{public}@的发现设备", log: logger, type: .debug, uuid.uuidString) |
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guard let service = bleService as? BleService else { |
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os_log("BLE服务未设置", log: logger, type: .error) |
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os_log("BLE服务未设置或类型转换失败", log: logger, type: .error) |
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return |
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} |
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// 获取中央管理器 |
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|
|
let centralManager = service.getCentralManager() |
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|
|
os_log("按照iOS 18规范，直接使用UUID调用特定连接方法", log: logger, type: .debug) |
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|
|
service.connectToAccessory(uuid: uuid) |
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} |
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#endif |
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} |
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|
|
// 通过UUID检索外设 |
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|
|
let peripherals = centralManager.retrievePeripherals(withIdentifiers: [uuid]) |
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|
|
// 从指定的视图控制器显示设备选择器 |
|
|
|
func showDevicePickerFromViewController(_ viewController: UIViewController) { |
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|
|
#if canImport(AccessorySetupKit) && swift(>=5.9) |
|
|
|
if #available(iOS 18.0, *) { |
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|
|
os_log("从视图控制器显示设备选择器...", log: logger, type: .debug) |
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|
|
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|
|
|
if let peripheral = peripherals.first { |
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|
|
os_log("连接到UUID对应的设备: %{public}@", log: logger, type: .info, peripheral.name ?? uuid.uuidString) |
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|
|
service.connect(to: peripheral) |
|
|
|
safeShowDevicePickerWithUI(presentingVC: viewController) |
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|
|
} else { |
|
|
|
os_log("未找到UUID对应的设备: %{public}@", log: logger, type: .error, uuid.uuidString) |
|
|
|
os_log("当前iOS版本不支持AccessorySetupKit", log: logger, type: .info) |
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|
|
} |
|
|
|
#else |
|
|
|
os_log("构建环境不支持AccessorySetupKit", log: logger, type: .info) |
|
|
|
#endif |
|
|
|
} |
|
|
|
|
|
|
|
// 带UI上下文的安全显示选择器 |
|
|
|
private func safeShowDevicePickerWithUI(presentingVC: UIViewController) { |
|
|
|
#if canImport(AccessorySetupKit) && swift(>=5.9) |
|
|
|
if #available(iOS 18.0, *) { |
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|
|
resetSession() |
|
|
|
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|
|
initializeSessionAndRun { [weak self, weak presentingVC] in |
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|
|
guard let self = self, let presentingVC = presentingVC else { return } |
|
|
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|
|
|
|
if let wrapper = self.accessorySessionWrapper as? AccessorySessionWrapper { |
|
|
|
os_log("会话已激活，准备显示选择器", log: self.logger, type: .info) |
|
|
|
|
|
|
|
// 从主线程创建和显示 |
|
|
|
DispatchQueue.main.async { [weak self] in |
|
|
|
guard let self = self else { return } |
|
|
|
|
|
|
|
os_log("创建设备描述符...", log: self.logger, type: .debug) |
|
|
|
let descriptor = ASDiscoveryDescriptor() |
|
|
|
|
|
|
|
// 设置服务UUID和制造商ID |
|
|
|
// let serviceUUID = "0000abc0-0000-1111-2222-123456789abc" |
|
|
|
// os_log("设置服务UUID: %{public}@", log: self.logger, type: .debug, serviceUUID) |
|
|
|
// descriptor.bluetoothServiceUUID = CBUUID(string: serviceUUID) |
|
|
|
|
|
|
|
os_log("设置公司ID: 0xABEF", log: self.logger, type: .debug) |
|
|
|
// descriptor.setValue(UInt16(0xABEF), forKey: "bluetoothCompanyIdentifier") |
|
|
|
descriptor.bluetoothCompanyIdentifier = ASBluetoothCompanyIdentifier(0xEFAB) |
|
|
|
|
|
|
|
// 创建默认图像 |
|
|
|
let deviceImage = UIImage(systemName: "headphones") ?? UIImage() |
|
|
|
|
|
|
|
// 创建显示项 |
|
|
|
let displayItem = ASPickerDisplayItem( |
|
|
|
name: "语音助理耳机", |
|
|
|
productImage: deviceImage, |
|
|
|
descriptor: descriptor |
|
|
|
) |
|
|
|
|
|
|
|
// 检查权限，但不创建CBCentralManager |
|
|
|
os_log("iOS 18环境下不检查蓝牙状态，避免创建CBCentralManager", log: self.logger, type: .debug) |
|
|
|
|
|
|
|
// 显示选择器 |
|
|
|
wrapper.session.showPicker(for: [displayItem]) { [weak self] error in |
|
|
|
guard let self = self else { return } |
|
|
|
|
|
|
|
if let error = error { |
|
|
|
os_log("设备选择器显示错误: %{public}@", log: self.logger, type: .error, error.localizedDescription) |
|
|
|
|
|
|
|
// 错误码解析 |
|
|
|
if let nsError = error as? NSError { |
|
|
|
os_log("错误域: %{public}@, 错误码: %{public}d", log: self.logger, type: .error, nsError.domain, nsError.code) |
|
|
|
|
|
|
|
// 解析常见错误 |
|
|
|
switch nsError.code { |
|
|
|
case 550: |
|
|
|
os_log("错误550: CBCentralManager冲突 - 进程中已存在使用全局权限的CBCentralManager", log: self.logger, type: .error) |
|
|
|
case 500...599: |
|
|
|
os_log("错误%{public}d: 可能是AccessorySetupKit内部错误", log: self.logger, type: .error, nsError.code) |
|
|
|
default: |
|
|
|
os_log("未知错误码", log: self.logger, type: .error) |
|
|
|
} |
|
|
|
|
|
|
|
if let info = nsError.userInfo as? [String: Any] { |
|
|
|
os_log("错误信息: %{public}@", log: self.logger, type: .error, info.description) |
|
|
|
} |
|
|
|
} |
|
|
|
} else { |
|
|
|
os_log("设备选择器显示已触发", log: self.logger, type: .info) |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
} |
|
|
|
#endif |
|
|
|
} |
|
|
|
|
|
|
|
// 检查蓝牙是否可用，不使用CBCentralManager |
|
|
|
func isBluetoothAvailable() -> Bool { |
|
|
|
#if canImport(AccessorySetupKit) && swift(>=5.9) |
|
|
|
if #available(iOS 18.0, *) { |
|
|
|
// iOS 18+环境下不进行蓝牙状态检查 |
|
|
|
os_log("iOS 18环境下，跳过蓝牙状态检查", log: logger, type: .debug) |
|
|
|
return true |
|
|
|
} |
|
|
|
#endif |
|
|
|
|
|
|
|
// 使用AVAudioSession检测是否有蓝牙设备连接 |
|
|
|
let audioSession = AVAudioSession.sharedInstance() |
|
|
|
let outputs = audioSession.currentRoute.outputs |
|
|
|
|
|
|
|
// 检查是否有蓝牙输出 |
|
|
|
for output in outputs { |
|
|
|
if output.portType == .bluetoothA2DP || output.portType == .bluetoothHFP || output.portType == .bluetoothLE { |
|
|
|
return true |
|
|
|
} |
|
|
|
} |
|
|
|
|
|
|
|
// 没有检测到蓝牙设备，但不确定蓝牙是否已打开 |
|
|
|
return false |
|
|
|
} |
|
|
|
} |
wolfplus
1 year ago