可以使用以下代码等待所有任务完成:group.notify(queue: .main) { // 所有任务完成后执行的操作 } 在云计算领域,使用多线程组合数组中的项可以提高数据处理的效率和性能。例如,在处理大量数据时,可以将数据分成多个部分,使用多线程并发处理每个部分,最后将结果合并。这样可以充分利用多核处理器的性能,加快数据处理的...
(nibName: nil, bundle: nil) DispatchQueue.global(qos: .userInitiated).async { if let document = PDFDocument(url: file.pdfLocalUrl) { DispatchQueue.main.async { self.pdfDocument = document self.pdfView.document = document self.goToPage(selectedPage: selectedPage.wrappedValue - 1) } } } ...
.pngData() let callProvider = CXProvider(configuration: configuration) callProvider.setDelegate(self, queue: nil) callProvider.reportNewIncomingCall(with: callUUID!, update: callUpdate, completion: {error in}) We are noticing some problems on the call screen: on certain devices (iOS 18.4RC) ...
provider.setDelegate(self, queue: nil) } // Start an outgoing call func startCall(handle: String, videoEnabled: Bool) { let handle = CXHandle(type: .phoneNumber, value: handle) let startCallAction = CXStartCallAction(call: UUID(), handle: handle) startCallAction.isVideo = videoEn...
DispatchQueue.main.async(execute: { self.tableView.reloadData() }) // //获取姓名 // let lastName = contact.familyName // let firstName = contact.givenName // print("姓名:\(lastName)\(firstName)") // // //获取昵称 // let nikeName = contact.nickname ...
Queuer 🐧 - A queue manager, built on top of OperationQueue and Dispatch (aka GCD). SwiftCoroutine 🐧 - Coroutines for iOS, macOS and Linux. Throttler - Throttle massive number of asynchronous inputs in a single drop of one line API. Venice 🐧 - Communicating sequential processes (CS...
.pngData() let callProvider = CXProvider(configuration: configuration) callProvider.setDelegate(self, queue: nil) callProvider.reportNewIncomingCall(with: callUUID!, update: callUpdate, completion: {error in}) We are noticing some problems on the call screen: on certain devices (iOS 18.4RC) ...
@interface HttpTool : NSObject - (void)loadRequest:(void (^)())callBackBlock; @end @implementation HttpTool - (void)loadRequest:(void (^)())callBackBlock { dispatch_async(dispatch_get_global_queue(0, 0), ^{ NSLog(@"加载网络数据:%@", [NSThread currentThread]); dispatch_async(dispatch...
问如何在swift中注册时根据PhoneNumber检索uidENSwift 5.5中引入的 async/await 语法，允许用更可读的...
onAppear{ DispatchQueue.main.asyncAfter(deadline: .now() + 0.5){ focus = .name } } } enum FocusedField:Hashable{ case name,password } } 在视图初始化阶段赋值是无效的。即使在onAppear中,也必须要有一定延时才能让 TextField 焦点。 在多个的 TextFiled 之间切换焦点 通过使用 focused 和 onSubmit ...