ios - 尝试为 iOS 构建 flutter 应用程序时出现问题

Question

我正在做一个项目，我试图在 Xcode 的 iOS 模拟器上构建，但由于一大堆我并不真正理解的错误，构建一直失败。

如果有人有时间，请寻求指导和帮助。

谢谢

Xcode build done.                                           11.9s
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **
Xcode's output:
↳
    Command CompileSwift failed with a nonzero exit code
    Command CompileSwift failed with a nonzero exit code
    /Users/chris/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/screenshot_callback-1.1.1/ios/Classes/SwiftScreenshotCallbackPlugin.swift:27:34: error: 'userDidTakeScreenshotNotification' has been renamed to 'NSNotification.Name.UIApplicationUserDidTakeScreenshot'
              forName: UIApplication.userDidTakeScreenshotNotification,
                                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
                                     NSNotification.Name.UIApplicationUserDidTakeScreenshot
    UIKit.UIApplication:73:22: note: 'userDidTakeScreenshotNotification' was introduced in Swift 4.2
        public class let userDidTakeScreenshotNotification: NSNotification.Name
                         ^
    note: Using new build system
    note: Building targets in parallel
    note: Planning build
    note: Constructing build description
    warning: Mapping architecture armv7 to i386. Ensure that this target's Architectures and Valid Architectures build settings are configured correctly for the iOS Simulator platform. (in target 'image_picker' from project 'Pods')
    warning: Mapping architecture arm64 to x86_64. Ensure that this target's Architectures and Valid Architectures build settings are configured correctly for the iOS Simulator platform. (in target 'image_picker' from project 'Pods')
    warning: Mapping architecture armv7 to i386. Ensure that this target's Architectures and Valid Architectures build settings are configured correctly for the iOS Simulator platform. (in target 'camera' from project 'Pods')
    warning: Mapping architecture arm64 to x86_64. Ensure that this target's Architectures and Valid Architectures build settings are configured correctly for the iOS Simulator platform. (in target 'camera' from project 'Pods')
Could not build the application for the simulator.
Error launching application on iPhone SE (2nd generation).
Exited (sigterm)```

Answer 1

在您项目的 ios/文件夹中尝试此命令

pod install

如果已经安装，使用

pod update

如果您使用任何相机插件或 image_picker 让我知道