无法在ios设备上运行flutter应用程序

Question

我正在尝试在 ios 上运行我的 flutter 应用程序，但我遇到了一些问题。

code build done.                                           63.3s
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **
2

Xcode's output:
↳
    Writing result bundle at path:
        /var/folders/4h/3lxr2wd15j975kxm6f3sz9nr0000gn/T/flutter_tools.lQjnn0/flutter_ios_build_temp_dirjQJlCd/temporary_xcresult_bundle

    /Users/mac/.pub-cache/hosted/pub.dev/url_launcher_ios-6.3.0/ios/url_launcher_ios/Sources/url_launcher_ios/Launcher.swift:22:1: error: type 'UIApplication' does not conform to protocol 'Launcher'
    extension UIApplication: Launcher {}
    ^
    UIKit.UIApplication:24:15: note: candidate has non-matching type '(URL, [UIApplication.OpenExternalURLOptionsKey : Any], (@MainActor @Sendable (Bool) -> Void)?) -> Void'
        open func open(_ url: URL, options: [UIApplication.OpenExternalURLOptionsKey : Any] = [:], completionHandler completion: (@MainActor @Sendable (Bool) -> Void)? = nil)
                  ^
    /Users/mac/.pub-cache/hosted/pub.dev/url_launcher_ios-6.3.0/ios/url_launcher_ios/Sources/url_launcher_ios/Launcher.swift:22:1: note: add stubs for conformance
    extension UIApplication: Launcher {}
    ^

我尝试清除 pod 文件并 flutter clean。

Answer 1

这可能是由多种原因造成的。您可以尝试的第一件事是更新

[url_launcher][1]

（如果不是最新版本）。

如果更新 url_launcher 不能解决您的问题，那么您可以尝试将 Flutter 和 Xcode 更新到最新版本。

升级flutter版本后，运行命令

flutter pub upgrade