【发布时间】：2021-06-30 15:30:57
【问题描述】：
当我尝试在 iOS 模拟器上运行我的应用程序时，我收到此错误 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 进行一些更改后，这是现在的错误
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)
【问题讨论】：
标签： xcode flutter dart emulation