Flutter: fatal error: 'Flutter/Flutter.h' file not found

Question

Xcode's output: ↳ In file included from /Users/dani/development/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.3/ios/Classes/FLTURLLauncherPlugin.m:7: /Users/dani/development/flutter/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.3/ios/Classes/FLTURLLauncherPlugin.h:5:9: fatal error: 'Flutter/Flutter.h' file not found #import <Flutter/Flutter.h> ^~~~~~~~~~~~~~~~~~~ 1 error generated. In file included from /Users/dani/development/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.5/ios/Classes/FLTSharedPreferencesPlugin.m:5: /Users/dani/development/flutter/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.5/ios/Classes/FLTSharedPreferencesPlugin.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 note: Using new build system note: Building targets in parallel note: Planning build note: Constructing build description

flutter doctor:

[✓] Flutter (Channel stable, 2.0.5, on macOS 11.2.3 20D91
    darwin-x64, locale en-GB)
[✓] Android toolchain - develop for Android devices (Android
    SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.1)
[✓] Connected device (3 available)

• No issues found!

I tried all solutions proposed here without luck: https://github.com/flutter/flutter/issues/16036

All dependencies updated

Fixed it following these steps: stackoverflow.com/a/33509278/4858133. — Dani
– Dani, Commented Apr 27, 2021 at 22:11

Dani · Accepted Answer · 2021-08-10 19:16:10Z

0

This is a matter of finding a library on our app that doesn't support null safety. We can do several things after identify it:

Ask on its repo to get support for null safety
Use a different library that supports this
Try to fix it ourselves

stackoverflow.com/a/33509278/4858133

answered Aug 10, 2021 at 19:16

Dani

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angrinessfap · Accepted Answer · 2021-04-27 20:31:03Z

-1

I believe you should try both of this steps:

1- Try to remove pod files and install them again by executing:

$ cd ios/
$ pod deintegrate 
$ pod install

2- Clean workplace by executing command on the root of the project:

$ flutter clean

Then try to run the app again.

answered Apr 27, 2021 at 20:31

angrinessfap

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2 Comments

Dani Over a year ago

didn't help. In fact it showing more errors now :(

Dani Over a year ago

also the error points to flutter sdk path

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