草庐IT

ios - Xcode 6.3.1 "A signed resource has been added, modified, or deleted"问题

我的xcode版本是6.3.1,我的应用程序是一个带有WatchKit目标的swift项目。当我在我的iPhone6上运行时,Xcode显示这条消息“已添加、修改或删除了一个签名的资源”。它在iPhone5s、iPad和模拟器上运行良好,所以我想这不是证书问题,对吧?我尝试删除问题xcode6beta7:Asignedresourcehasbeenaddedmodifiedordeleted.中建议的“派生数据”我删除了“deriveddata”后,第一次运行,在“buildsucceeded”后自动停止(应用程序没有安装到我的iPhone),当我再次运行时,消息又出现了。我也试过重启

ios - swift 3.0 : Value of type 'IndexSet' has no member 'enumerateIndexesUsingBlock'

接收“IndexSet”类型的值在enumerateIndexesUsingBlock处没有成员“enumerateIndexesUsingBlock”错误。/**Extensionforcreatingindexpathsfromanindexset*/extensionIndexSet{/**-parametersection:ThesectionforthecreatedNSIndexPaths-return:AnarraywithNSIndexPaths*/funcbs_indexPathsForSection(_section:Int)->[IndexPath]{varind

arrays - 选择要附加到三元运算符 'if' 运算符 : "Immutable value... only has mutating members" 的数组

我有两个数组:varaddedToIgnoreList:[String]=[]varremovedFromIgnoreList:[String]=[]我想将一个值附加到这些数组之一。如果我这样做:(isUserIgnored?removedFromIgnoreList:addedToIgnoreList).append("username")我得到Immutablevalueoftype'[String]'onlyhasmutatingmembersnamed'append'如果我使用中间变量,它会起作用:varwhich=isUserIgnored?removedFromIgnore

ios - [NSBlockOperation addExecutionBlock :]: blocks cannot be added after the operation has started executing or finished

我试图在完成或取消后重新启动NSBlockOperation,但出现错误?任何人都知道错误在哪里?谢谢letimageURLs=["http://www.planetware.com/photos-large/F/france-paris-eiffel-tower.jpg","http://adriatic-lines.com/wp-content/uploads/2015/04/canal-of-Venice.jpg","http://algoos.com/wp-content/uploads/2015/08/ireland-02.jpg","http://bdo.se/wp-con

ios - 错误 : Type 'String!' has no member 'video'

importUIKitimportAVKitclassViewController:UIViewController{overridefuncviewDidLoad(){super.viewDidLoad()//startcameraletcaptureSession=AVCaptureSession()guardletcaptureDevice=AVCaptureDevice.default(for:.video)else{return}guardletinput=try?AVCaptureDeviceInput(device:captureDevice)else{return}ca

iOS swift : App Transport Security has blocked a cleartext HTTP (http://) resource

晚上,我正在开发一个基于SWAPI的应用程序(星球大战api:https://swapi.co/documentation)我收到了ATS错误:应用程序传输安全已阻止明文HTTP(http://)资源加载,因为它不安全。可以通过应用的Info.plist文件配置临时异常(exception)。我不明白为什么。我的baseURL是https格式structNetworkManager{letbaseURL="https://swapi.co/api/"letsession=URLSession(configuration:.default)funcfetchEndpoint(endpoi

iOS swift : Value of type 'NotificationCenter' has no member 'publisher'

我正在尝试将新的Combine框架与NotificationCenter一起使用,正如Apple在这段视频中所解释的那样:https://developer.apple.com/videos/play/wwdc2019/721/您可以在幻灯片21中找到它。看来我的项目没有读取Combineframeworkapi。importCombineimportFoundationlettrickNamePublisher=NotificationCenter.default.publisher(for:.newTrickDownloaded)我收到这个错误:“NotificationCente

swift 错误 : Snapshotting a view that has not been rendered results in an empty snapshot

我已经阅读了该网站上的许多帖子(尤其是:iOS8Snapshottingaviewthathasnotbeenrenderedresultsinanemptysnapshot),但没有针对Swift的答案。我想我会问这里的人群是否解决了这个问题。我在iPhone6上使用Xcode6.2、iOS8.2我的代码:ifUIImagePickerController.isSourceTypeAvailable(UIImagePickerControllerSourceType.Camera){if(UIImagePickerController.isSourceTypeAvailable(UI

ios - `Protocol can only be used as a generic constraint because it has Self or associated type requirements` 问题

我正在尝试生成一个符合协议(protocol)Protocoling的ViewModel,该协议(protocol)是通用的,并且具有关联的类型。有几个ViewModel符合协议(protocol),所以我正在尝试为viewModel创建一个工厂。我在Swift中遇到了以下错误:Protocol只能用作泛型约束,因为它有Self或关联类型要求示例代码:protocolProtocoling{associatedtypemodulingTypevardata:modulingType{get}}enumMyTypes{casemyNamecasemyAddress}classNameVi

xcode - AVAudioSession 音频调光错误 : Deactivating an audio session that has running I/O

我正在播放几种声音,每种声音都会使背景音频变暗。完成后,我恢复背景音频。每次播放其中一个音频文件时,背景都会变暗(根据需要)。当最后一个音频完成播放时,背景音频将恢复(也是需要的)。但是大约5秒后,它会抛出此错误并再次调暗音频(这不是我想要的,因为所有声音现在都已结束)。ERROR:[0x19c9af310]AVAudioSession.mm:646:-[AVAudioSessionsetActive:withOptions:error:]:DeactivatinganaudiosessionthathasrunningI/O.AllI/Oshouldbestoppedorpaused