xcode - 为什么我收到此错误无法为模拟器构建应用程序。在 iPhone 11 Pro Max 上启动应用程序时出错？

Question

当我试图在 iOS 模拟器上运行我的应用程序时，我收到了这个错误有谁知道我为什么会得到这个？

Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **
Xcode's output:
↳
    /Users/name/flutter/.pub-cache/hosted/pub.dartlang.org/image_picker-0.7.3/ios/Classes/FLTImagePickerPlugin.m:149:20: warning: 'UIAlertView' is deprecated: first deprecated in iOS 9.0 - UIAlertView is deprecated. Use UIAlertController with a preferredStyle of UIAlertControllerStyleAlert instead [-Wdeprecated-declarations]
        [[[UIAlertView alloc] initWithTitle:NSLocalizedString(@"Error", nil)
                       ^
    In module 'UIKit' imported from /Users/name/project/project/ios/Pods/Target Support Files/image_picker/image_picker-prefix.pch:2:
    /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator14.4.sdk/System/Library/Frameworks/UIKit.framework/Headers/UIAlertView.h:27:12: note: 'UIAlertView' has been explicitly marked deprecated here
    @interface UIAlertView : UIView
               ^
    1 warning generated.
    /Users/name/projectname/projectname/ios/Pods/Regift/Regift/AVAssetImageGeneratorTimePoints.swift:12:5: warning: 'public' modifier is redundant for instance method declared in a public extension
        public func generateCGImagesAsynchronouslyForTimePoints(timePoints: [TimePoint], completionHandler: @escaping AVAssetImageGeneratorCompletionHandler) {
        ^~~~~~~
    /Users/name/project/project/ios/Pods/Regift/Regift/Regift.swift:251:45: error: missing argument label 'preferredTimescale:' in call
                let time = CMTimeMakeWithSeconds(seconds, Constants.TimeInterval)
                                                ^
                                                          preferredTimescale:
    /Users/name/project/project/ios/Pods/Regift/Regift/Regift.swift:303:46: error: missing argument label 'preferredTimescale:' in call
            let tolerance = CMTimeMakeWithSeconds(Constants.Tolerance, Constants.TimeInterval)
                                                 ^
                                                                       preferredTimescale:
    note: Using new build system
    note: Building targets in parallel
    note: Planning build
    note: Constructing build description
Could not build the application for the simulator.
Error launching application on iPhone 11 Pro Max.

该应用程序在上周运行良好，但我不知道为什么它现在没有构建？

从用户@Huthaifa Muayyad 那里进行一些更改后，现在是错误

Launching lib/main.dart on iPhone 11 Pro Max in debug mode...
lib/main.dart:1
Xcode build done.                                           25,2s
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **
Xcode's output:
↳
    /Users/name/projectname/projetcname/ios/Pods/Regift/Regift/AVAssetImageGeneratorTimePoints.swift:12:5: warning: 'public' modifier is redundant for instance method declared in a public extension
        public func generateCGImagesAsynchronouslyForTimePoints(timePoints: [TimePoint], completionHandler: @escaping AVAssetImageGeneratorCompletionHandler) {
        ^~~~~~~
    /Users/name/projectname/projectname/ios/Pods/Regift/Regift/Regift.swift:251:45: error: missing argument label 'preferredTimescale:' in call
                let time = CMTimeMakeWithSeconds(seconds, Constants.TimeInterval)
                                                ^
                                                          preferredTimescale:
    /Users/name/projectname/projectname/ios/Pods/Regift/Regift/Regift.swift:303:46: error: missing argument label 'preferredTimescale:' in call
            let tolerance = CMTimeMakeWithSeconds(Constants.Tolerance, Constants.TimeInterval)
                                                 ^
                                                                       preferredTimescale:
    gRPC-C++-gRPCCertificates-Cpp-cxhudvivvbfckkebvhcbvchzlxji
    note: Using new build system
    note: Building targets in parallel
    note: Planning build
    note: Constructing build description
Could not build the application for the simulator.
Error launching application on iPhone 11 Pro Max.
Exited (sigterm)

Answer 1

尝试取消注释第一行 ios/Podfile 并将其更新为 10.0,

您的错误还显示 UIAlertView 已弃用。改用 UIAlertController 和 UIAlertControllerStyleAlert 的 preferredStyle 如果您正在使用它，请尝试更新图像选择器。