iOS App Store 应用程序在登录期间崩溃（不在开发中）

Posted 2023-03-17

【中文标题】iOS App Store 应用程序在登录期间崩溃（不在开发中）

【英文标题】：iOS App Store app crashes during login (not in development)

【发布时间】：2021-03-29 14:21:50

【问题描述】：

所以这可能是因为 UserDefaults 在一段时间后被重置，可能是因为我经常更新操作系统，但是一段时间后我的 ios 应用程序的发布版本会在我的登录屏幕上崩溃，可能是我检查的地方用于保存的凭据（在 UserDefaults 中）。重新安装应用程序可以解决此问题。控制台返回很多：

不支持在主线程之外使用 UIKit 视图自定义 API。 -setAlignsToKeyboard: 发送到 <_uialertcontrollerview:>>

我的系统日志在这个线程上显示错误：

异常类型：EXC_CRASH (SIGABRT) 异常代码：0x0000000000000000, 0x0000000000000000 异常说明：EXC_CORPSE_NOTIFY 线程触发：4

应用特定信息： abort() 调用

线程 4 名称：调度队列：com.apple.NSURLSession-delegate 线程 4 崩溃：0 libsystem_kernel.dylib 0x00000001bfb4e414 0x1bfb26000 + 164884 1 libsystem_pthread.dylib 0x00000001dd6a8b50 0x1dd6a6000 + 11088 2 libsystem_c.dylib 0x000000019b027b74 0x19afb1000 + 486260 3 libc++abi.dylib 0x00000001a6d1acf8 0x1a6d07000 + 81144 4 libc++abi.dylib 0x00000001a6d0be4c 0x1a6d07000 + 20044 5 libobjc.A.dylib 0x00000001a6c14f64 0x1a6c0e000 + 28516 6 libc++abi.dylib 0x00000001a6d1a0e0 0x1a6d07000 + 78048 7 libc++abi.dylib 0x00000001a6d1a06c 0x1a6d07000 + 77932 8 libdispatch.dylib 0x00000001917eddc4 0x1917ea000 + 15812 9 libdispatch.dylib 0x00000001917f510c 0x1917ea000 + 45324 10 libdispatch.dylib 0x00000001917f5c90 0x1917ea000 + 48272 11 libdispatch.dylib 0x00000001917ffd78 0x1917ea000 + 89464 12 libsystem_pthread.dylib 0x00000001dd6a9814 0x1dd6a6000 + 14356 13 libsystem_pthread.dylib 0x00000001dd6b076c 0x1dd6a6000 + 42860

这是我用来检查已保存凭据的一些代码。在后端 API 中，我看不到任何登录尝试。如果它有帮助，我可以在它崩溃之前看到这个视图控制器一瞬间。不确定这是否排除了 viewdidload。

override func viewDidLoad() 
    super.viewDidLoad()
    addLoadingSpinner()
    bLogIn.titleLabel?.font = UIFont.setToVoiceLight()
    self.tfCustomerID.delegate = self
    self.tfUsername.delegate = self
    self.tfPassword.delegate = self
    tfUsername.keyboardType = .default
    tfPassword.textContentType = .password
    setupUI()
    if UserDefaults.standard.string(forKey: UserDefaultsKeys.session) != nil
        && UserDefaults.standard.string(forKey: UserDefaultsKeys.savedCred) == "True" 
        login_session = UserDefaults.standard.string(forKey: UserDefaultsKeys.session)!
        check_session()
    
    else if UserDefaults.standard.string(forKey: UserDefaultsKeys.savedCred) == "True" &&
            UserDefaults.standard.string(forKey: UserDefaultsKeys.usesBiometrics) == "True" 
        promptTouchOrFaceID()
    
    removeLoadingSpinner()


override func viewWillAppear(_ animated: Bool) 
    AppDelegate.AppUtility.lockOrientation(UIInterfaceOrientationMask.portrait, andRotateTo:
                                            UIInterfaceOrientation.portrait)
    cbSave.isChecked = UserDefaults.standard.string(forKey: UserDefaultsKeys.savedCred) == "True"
    addObservers()


func check_session() 
    UserDefaults.standard.set(login_session, forKey: "session")
    UserInfo.access_token = UserDefaults.standard.string(forKey: "session")!

    var request = URLRequest(url: NSURL(string: checksession_url)! as URL)
    request.httpMethod = .GET
    request.addValues(...)
    let task = URLSession.shared.dataTask(with: request)  data, response, error in
        if let httpStatus = response as? HTTPURLResponse, httpStatus.statusCode == 200 
            //VERIFIED THAT NEVER GETTING TO API
            DispatchQueue.main.async 
                ...
            
         else 
            self.promptTouchOrFaceID()
            UserDefaults.standard.set(nil, forKey: UserDefaultsKeys.session)
        
    
    task.resume()

这是我的生物识别提示代码：

func promptTouchOrFaceID() 
    //create context for touch auth
    let authenticationContext = LAContext()
    var error: NSError?
    authenticationContext.localizedFallbackTitle = ""
    let biometricType = authenticationContext.biometricType
    //check if the device has a fingerprint sensor, exit if not
    guard authenticationContext.canEvaluatePolicy(.deviceOwnerAuthenticationWithBiometrics,
                                                  error: &error) else 
        let title = "Error"
        var message = ""
        switch biometricType 
        case .faceID:
            message = "This device does not have a FaceID sensor or the sensor is not enabled."
        case .touchID:
            message = "This device does not have a TouchID sensor or the sensor is not enabled."
        case .none:
            message = "This device does not have any sensors to use TouchID or FaceID"
        

        AlertService.showAlert(on: self, title: title, message: message)
        UserDefaults.standard.set("False", forKey: UserDefaultsKeys.usesBiometrics)
        removeLoadingSpinner()
        return
    
    authenticationContext.evaluatePolicy(.deviceOwnerAuthenticationWithBiometrics,
                                         localizedReason: "Please use your fingerprint to authenticate.",
                                         reply:  [unowned self] (success, error) -> Void in
                                            if (success) 
                                                //fingerprint recognized, set this possible and go to view controller
                                                OperationQueue.main.addOperation( () -> Void in
                                                    self.fillInUserDetails()
                                                    self.login_now(
                                                        username:self.tfUsername.text!,
                                                        password: self.userDefaults.string(forKey: UserDefaultsKeys.password)!,
                                                        customer: self.tfCustomerID.text!)
                                                )
                                            
                                         )

     

【参考方案1】：

只是一个狂野的镜头，但你的 plist 文件中有NSFaceIDUsageDescription 密钥吗？我记得几个月前遇到过这样的问题。

【讨论】：

我会疯狂拍摄。我确实列出来了。谢谢