d282abd146
- 添加新的processing任务标识符到iOS配置文件 - 重构BackgroundTaskBridge支持不同任务类型(refresh/processing) - 增强后台任务日志记录和调试信息 - 修复任务类型配置不匹配问题 - 改进任务调度逻辑和错误处理机制 - 添加任务执行时间戳记录用于调试 - 移除notification-settings中未使用的AuthGuard依赖
235 lines
8.7 KiB
Swift
235 lines
8.7 KiB
Swift
import Expo
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import React
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import ReactAppDependencyProvider
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import BackgroundTasks
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@UIApplicationMain
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public class AppDelegate: ExpoAppDelegate {
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var window: UIWindow?
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var reactNativeDelegate: ExpoReactNativeFactoryDelegate?
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var reactNativeFactory: RCTReactNativeFactory?
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public override func application(
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_ application: UIApplication,
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didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? = nil
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) -> Bool {
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// 注意：必须在 super.application() 之前注册后台任务
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// 这是 BGTaskScheduler 的硬性要求，否则任务永远不会被触发
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if #available(iOS 13.0, *) {
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registerBackgroundTasks()
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}
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let delegate = ReactNativeDelegate()
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let factory = ExpoReactNativeFactory(delegate: delegate)
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delegate.dependencyProvider = RCTAppDependencyProvider()
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reactNativeDelegate = delegate
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reactNativeFactory = factory
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bindReactNativeFactory(factory)
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#if os(iOS) || os(tvOS)
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window = UIWindow(frame: UIScreen.main.bounds)
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factory.startReactNative(
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withModuleName: "main",
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in: window,
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launchOptions: launchOptions)
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#endif
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return super.application(application, didFinishLaunchingWithOptions: launchOptions)
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}
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// MARK: - Application Lifecycle
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public override func applicationDidEnterBackground(_ application: UIApplication) {
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super.applicationDidEnterBackground(application)
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// 后台任务调度现在由 BackgroundTaskBridge 统一管理
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// 这里只需要确保应用有足够的时间完成后台任务
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if #available(iOS 13.0, *) {
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NSLog("[AppDelegate] 应用进入后台，后台任务由 BackgroundTaskBridge 管理")
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}
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}
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// MARK: - Background Task Registration
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@available(iOS 13.0, *)
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private func registerBackgroundTasks() {
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let identifier = "com.anonymous.digitalpilates.task"
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// 注册后台任务处理器
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// 必须在应用启动完成前注册，否则会崩溃
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BGTaskScheduler.shared.register(
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forTaskWithIdentifier: identifier,
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using: nil
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) { [weak self] task in
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NSLog("[AppDelegate] ✅ 后台任务被系统触发: \(identifier)")
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// 尝试通知 BackgroundTaskBridge 处理任务
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// 如果 bridge 不可用，标记任务完成
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self?.handleBackgroundTask(task, identifier: identifier)
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}
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NSLog("[AppDelegate] 后台任务已在应用启动时注册: \(identifier)")
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// 额外注册 processing 类型的任务（如果需要）
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let processingIdentifier = "com.anonymous.digitalpilates.processing"
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BGTaskScheduler.shared.register(
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forTaskWithIdentifier: processingIdentifier,
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using: nil
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) { [weak self] task in
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NSLog("[AppDelegate] ✅ Processing 后台任务被系统触发: \(processingIdentifier)")
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self?.handleBackgroundTask(task, identifier: processingIdentifier)
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}
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NSLog("[AppDelegate] Processing 后台任务已注册: \(processingIdentifier)")
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}
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@available(iOS 13.0, *)
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private func handleBackgroundTask(_ task: BGTask, identifier: String) {
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NSLog("[AppDelegate] ====== 后台任务被触发 ======")
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NSLog("[AppDelegate] 任务标识符: \(identifier)")
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NSLog("[AppDelegate] 任务类型: \(type(of: task))")
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NSLog("[AppDelegate] 触发时间: \(Date().description)")
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// 记录任务开始
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let defaults = UserDefaults.standard
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defaults.set(Date().timeIntervalSince1970, forKey: "last_background_task_trigger")
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NSLog("[AppDelegate] 已记录任务触发时间到UserDefaults")
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// 设置任务过期处理器（iOS 给的执行时间有限，通常30秒）
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task.expirationHandler = { [weak self] in
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NSLog("[AppDelegate] ⚠️ 后台任务即将过期，强制完成")
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task.setTaskCompleted(success: false)
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// 确保重新调度下一次任务
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if let strongSelf = self {
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strongSelf.scheduleNextBackgroundTask(identifier: identifier)
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}
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}
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// 尝试获取 BackgroundTaskBridge 实例来处理任务
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// 如果 React Native bridge 还未初始化，我们仍然可以执行一些基本的后台工作
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guard let bridge = reactNativeFactory?.bridge,
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bridge.isValid else {
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NSLog("[AppDelegate] React Native bridge 未就绪")
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NSLog("[AppDelegate] 执行基本的后台任务并调度下一次")
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// 即使 JS 层不可用，也执行基本的后台维护
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self.executeBasicBackgroundMaintenance(task: task, identifier: identifier)
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return
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}
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NSLog("[AppDelegate] React Native bridge 已就绪，尝试获取 BackgroundTaskBridge 模块")
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// 通过 bridge 查找 BackgroundTaskBridge 模块
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DispatchQueue.main.async {
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if let module = bridge.module(for: BackgroundTaskBridge.self) as? BackgroundTaskBridge {
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NSLog("[AppDelegate] ✅ 找到 BackgroundTaskBridge 模块，发送任务通知")
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// 通知 BackgroundTaskBridge 处理任务
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NotificationCenter.default.post(
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name: NSNotification.Name("BackgroundTaskBridge.handleTask"),
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object: nil,
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userInfo: ["task": task, "identifier": identifier]
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)
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} else {
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NSLog("[AppDelegate] ❌ BackgroundTaskBridge 模块未找到")
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NSLog("[AppDelegate] 执行基本的后台任务并调度下一次")
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self.executeBasicBackgroundMaintenance(task: task, identifier: identifier)
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}
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}
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}
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@available(iOS 13.0, *)
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private func executeBasicBackgroundMaintenance(task: BGTask, identifier: String) {
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NSLog("[AppDelegate] ===== 执行基本后台维护任务 =====")
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NSLog("[AppDelegate] 标识符: \(identifier)")
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NSLog("[AppDelegate] 开始时间: \(Date().description)")
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// 在后台线程执行基本维护
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DispatchQueue.global(qos: .background).async {
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// 执行一些基本的后台工作
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// 例如：清理缓存、检查应用状态等
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// 模拟一些工作
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Thread.sleep(forTimeInterval: 2.0)
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NSLog("[AppDelegate] 基本后台维护完成")
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// 标记任务完成
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task.setTaskCompleted(success: true)
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// 调度下一次后台任务
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self.scheduleNextBackgroundTask(identifier: identifier)
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}
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}
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@available(iOS 13.0, *)
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private func scheduleNextBackgroundTask(identifier: String) {
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NSLog("[AppDelegate] ===== 调度下一次后台任务 =====")
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NSLog("[AppDelegate] 标识符: \(identifier)")
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let request: BGTaskRequest
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if identifier.contains("processing") {
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request = BGProcessingTaskRequest(identifier: identifier)
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if let processingRequest = request as? BGProcessingTaskRequest {
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processingRequest.earliestBeginDate = Date(timeIntervalSinceNow: 15 * 60)
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processingRequest.requiresNetworkConnectivity = false
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processingRequest.requiresExternalPower = false
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}
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} else {
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request = BGAppRefreshTaskRequest(identifier: identifier)
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if let appRefreshRequest = request as? BGAppRefreshTaskRequest {
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appRefreshRequest.earliestBeginDate = Date(timeIntervalSinceNow: 15 * 60)
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}
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}
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let formatter = DateFormatter()
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formatter.dateFormat = "HH:mm:ss"
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let scheduledTime = formatter.string(from: Date(timeIntervalSinceNow: 15 * 60))
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NSLog("[AppDelegate] 计划执行时间: \(scheduledTime)")
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do {
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try BGTaskScheduler.shared.submit(request)
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NSLog("[AppDelegate] ✅ 成功调度下一次后台任务，15分钟后")
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} catch {
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NSLog("[AppDelegate] ❌ 调度下一次后台任务失败: \(error.localizedDescription)")
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}
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}
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// Linking API
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public override func application(
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_ app: UIApplication,
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open url: URL,
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options: [UIApplication.OpenURLOptionsKey: Any] = [:]
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) -> Bool {
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return super.application(app, open: url, options: options) || RCTLinkingManager.application(app, open: url, options: options)
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}
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// Universal Links
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public override func application(
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_ application: UIApplication,
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continue userActivity: NSUserActivity,
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restorationHandler: @escaping ([UIUserActivityRestoring]?) -> Void
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) -> Bool {
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let result = RCTLinkingManager.application(application, continue: userActivity, restorationHandler: restorationHandler)
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return super.application(application, continue: userActivity, restorationHandler: restorationHandler) || result
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}
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}
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class ReactNativeDelegate: ExpoReactNativeFactoryDelegate {
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// Extension point for config-plugins
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override func sourceURL(for bridge: RCTBridge) -> URL? {
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// needed to return the correct URL for expo-dev-client.
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bridge.bundleURL ?? bundleURL()
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}
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override func bundleURL() -> URL? {
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#if DEBUG
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return RCTBundleURLProvider.sharedSettings().jsBundleURL(forBundleRoot: ".expo/.virtual-metro-entry")
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#else
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return Bundle.main.url(forResource: "main", withExtension: "jsbundle")
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#endif
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}
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}
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