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Я разрабатываю приложение с помощью flutter,

Я получаю фатальную ошибку: ‘Flutter / Flutter.файл h’ не найден, эта ошибка при сборке моего приложения.

Я попытался переустановить cocoapod и удалить podfile.заблокируйте и переустановите его,

но я все еще получаю эту ошибку..

что я могу сделать для этой ошибки?

 daegilpyo@DAEGILs-MacBook-Pro eminail % flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, 1.22.4, on macOS 11.0.1 20B50 darwin-x64, locale en-CA)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 12.2)
[✓] Android Studio (version 3.6)
[✓] Connected device (1 available)

• No issues found!
daegilpyo@DAEGILs-MacBook-Pro eminail % 





 vent sent after app closed: {id: 0, progressId: null, finished: true}
    Launching lib/main.dart on DAEGIL의 iPhone in debug mode...
    lib/main.dart:1
    Automatically signing iOS for device deployment using specified development team in Xcode project: T6ULPGT4J7
    Xcode build done.                                           18.9s
    Failed to build iOS app
    Error output from Xcode build:
    ↳
        ** BUILD FAILED **
    Xcode's output:
    ↳
        Command CompileSwift failed with a nonzero exit code
        In file included from /Users/daegilpyo/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.7.10/ios/Classes/FLTURLLauncherPlugin.m:7:
        /Users/daegilpyo/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-5.7.10/ios/Classes/FLTURLLauncherPlugin.h:5:9: fatal error: 'Flutter/Flutter.h' file not found
        #import <Flutter/Flutter.h>
                ^~~~~~~~~~~~~~~~~~~
        1 error generated.
        Command CompileSwift failed with a nonzero exit code
        Command CompileSwift failed with a nonzero exit code
        Command CompileSwift failed with a nonzero exit code
        Command CompileSwift failed with a nonzero exit code
        note: Using new build system
        note: Building targets in parallel
        note: Planning build
        note: Constructing build description
 

перейдите в терминал, создайте резервную копию своей папки ios / Runner и удалите папку ios. Затем перейдите к терминалу и выполните

 cd path/to/your/project/projectName
flutter create .
flutter run
 

если сбой запуска flutter

 cd ios
pod install
cd ..
flutter run