8

when I compile my project in mac book pro, shows this error:

Xcode's output: ↳ In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/JavaScriptChannelHandler.m:5: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/JavaScriptChannelHandler.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences-0.5.12+4/ios/Classes/FLTSharedPreferencesPlugin.m:5: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/shared_preferences-0.5.12+4/ios/Classes/FLTSharedPreferencesPlugin.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FlutterWebView.m:5: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FlutterWebView.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FLTWebViewFlutterPlugin.m:5: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FLTWebViewFlutterPlugin.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FLTWKNavigationDelegate.m:5: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FLTWKNavigationDelegate.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FLTCookieManager.m:5: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/webview_flutter-0.3.24/ios/Classes/FLTCookieManager.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/wakelock-0.1.4+2/ios/Classes/WakelockPlugin.m:1: /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/wakelock-0.1.4+2/ios/Classes/WakelockPlugin.h:1:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. /Users/dolphin/.pub-cache/hosted/pub.flutter-io.cn/video_player-0.10.12+5/ios/Classes/messages.m:4:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h>

I am tried this way to fix it:

~/apps/flutter/bin/flutter clean

did not work, then I tried this way:

$ pod install /System/Library/Frameworks/Ruby.framework/Versions/2.6/usr/lib/ruby/2.6.0/universal-darwin19/rbconfig.rb:229: warning: Insecure world writable dir /Users/dolphin in PATH, mode 040777 Analyzing dependencies Downloading dependencies Generating Pods project Integrating client project Pod installation complete! There are 15 dependencies from the Podfile and 18 total pods installed. [!] A license was specified in podspec `sentry_flutter` but the file does not exist - /Users/dolphin/Documents/GitHub/cruise-open/ios/.symlinks/plugins/LICENSE [!] Unable to read the license file `../../LICENSE` for the spec `sentry_flutter (0.0.1)` [!] Unable to read the license file `../../LICENSE` for the spec `sentry_flutter (0.0.1)` [!] CocoaPods did not set the base configuration of your project because your project already has a custom config set. In order for CocoaPods integration to work at all, please either set the base configurations of the target `Runner` to `Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig` or include the `Target Support Files/Pods-Runner/Pods-Runner.profile.xcconfig` in your build configuration (`Flutter/Release.xcconfig`). (base)

still not work, why did this happen and what should I do fix it? This is my channel:

$ ~/apps/flutter/bin/flutter doctor -v [✓] Flutter (Channel stable, 1.20.4, on Mac OS X 10.15.7 19H114, locale en-CN) • Flutter version 1.20.4 at /Users/dolphin/apps/flutter • Framework revision fba99f6cf9 (4 months ago), 2020-09-14 15:32:52 -0700 • Engine revision d1bc06f032 • Dart version 2.9.2 • Pub download mirror https://pub.flutter-io.cn • Flutter download mirror https://storage.flutter-io.cn [✓] Android toolchain - develop for Android devices (Android SDK version 30.0.2) • Android SDK at /Users/dolphin/Library/Android/sdk • Platform android-30, build-tools 30.0.2 • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495) • All Android licenses accepted. [✓] Xcode - develop for iOS and macOS (Xcode 12.3) • Xcode at /Applications/Xcode.app/Contents/Developer • Xcode 12.3, Build version 12C33 • CocoaPods version 1.10.0 [!] Android Studio (version 4.1) • Android Studio at /Applications/Android Studio.app/Contents ✗ Flutter plugin not installed; this adds Flutter specific functionality. ✗ Dart plugin not installed; this adds Dart specific functionality. • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6915495) [!] IntelliJ IDEA Community Edition (version 2020.3.1) • IntelliJ at /Applications/IntelliJ IDEA CE.app ✗ Flutter plugin not installed; this adds Flutter specific functionality. ✗ Dart plugin not installed; this adds Dart specific functionality. • For information about installing plugins, see https://flutter.dev/intellij-setup/#installing-the-plugins [!] IntelliJ IDEA Ultimate Edition (version 2019.2.2) • IntelliJ at /Users/dolphin/Applications/JetBrains Toolbox/IntelliJ IDEA Ultimate.app ✗ Flutter plugin not installed; this adds Flutter specific functionality. ✗ Dart plugin not installed; this adds Dart specific functionality. • For information about installing plugins, see https://flutter.dev/intellij-setup/#installing-the-plugins [✓] VS Code (version 1.52.1) • VS Code at /Applications/Visual Studio Code.app/Contents • Flutter extension version 3.18.1 [✓] Connected device (1 available) • iPhone 11 Pro (mobile) • 4FEAF225-103D-4237-96D7-026059D2BDB4 • ios • com.apple.CoreSimulator.SimRuntime.iOS-13-7 (simulator) ! Doctor found issues in 3 categories. (base)
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5
  • Did you solve this? I'm just coming across this error now. I downgraded back to 1.22.2 and now this error comes up for me on flutter run Commented Mar 17, 2021 at 3:24
  • 1
    I forget how to solve it. try to check the ios folder have app.framework folder and flutter.framework folder. @user1961 Commented Mar 17, 2021 at 3:39
  • I think I may have stumbled into a way forward by deleting Flutter.podspec and rebuilding. I caused myself a big headache by upgrading to 2.0 and back down. Commented Mar 17, 2021 at 3:52
  • I found the flutter.framework folder was missing cause could not found Flutter.h. copy the folder into ios fix it. @user1961 Commented Mar 17, 2021 at 4:20
  • Try this: Apple logo -> About this Mac -> Storage -> Manage -> Developer -> Xcode caches and remove it. Commented Jul 31, 2022 at 3:26

2 Answers 2

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2

As you have older version of flutter (released in september) i would recommend you to upgrade flutter to latest stable version which is 1.22.5. Simply type in terminal

flutter upgrade

If that does not help, delete ios folder and then type in root of your project

flutter create .

to recreate ios folder and try build again.

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0

The error occurs when one tampers with the ios configuration, so the iOS side is unable to load the Flutter framework. Revert back to the initial stage where things worked and add changes correctly.

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