CODEWITHSUNDEEP
macosflutterplugins
Gijs Withagen
Gijs Withagen

Reputation: 159

Flutter macOS plugin

I'm making a Flutter plugin which must support macOS. However, when I want to create a plugin and run the plugin in the example app (even when I haven't edited the by Flutter generated code), Xcode throws the following error.

Unable to load contents of the file list: '/Users/admin/../example/macos/ephemeral/FlutterInputs.xcfilelist'

Unable to load contents of the file list: '/Users/admin/../example/macos/ephemeral/FlutterOutputs.xcfilelist'

Xcode error screenshot

This is my Flutter doctor:

Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel dev, 1.21.0-9.0.pre, on Mac OS X 10.15.3 19D76, locale
    nl-NL)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.2)
[✓] Xcode - develop for iOS and macOS (Xcode 11.5)
[✓] Chrome - develop for the web
[✓] Android Studio (version 3.5)
[✓] VS Code (version 1.48.0)
[✓] Connected device (3 available)

• No issues found!

Upvotes: 5

Views: 4504

Answers (5)

mixtly87
mixtly87

Reputation: 1705

In my case I had to make sure arm64 is set as Excluded Architectures field in Xcode Build Settings:

  1. Open Runner.xcworkspace in Xcode
  2. Select Runner project from Project navigator
  3. Select Runner under PROJECT section
  4. Click on Build Settings
  5. Set arm64 for Excluded Architectures field
  6. Repeat for Pods

Note: this only applies for Apple Silicon Macs.

Upvotes: 0

Saurabh Kumar
Saurabh Kumar

Reputation: 2803

1. flutter clean
2. delete 'Pods/', 'Podfile.lock', 'runner.xcworkspace'
3. pod deintegrate
4. flutter pub get
5. pod install

These commands in sequence did the job for me

Upvotes: 2

Akshay Trivedi
Akshay Trivedi

Reputation: 1

I fixed it using the correct version of flutter which matching with my project dependency. I used the latest version of a flutter but my project is not supporting that version so downgrade the version and the issue is resolved.

Upvotes: 0

Fourj
Fourj

Reputation: 1917

I found another solution: Run the flutter build command flutter build macos before build in Xcode, then these input/out files appears.

  • FlutterInputs.xcfilelist
  • FlutterOutputs.xcfilelist

Upvotes: 21

Gijs Withagen
Gijs Withagen

Reputation: 159

I solved this issue. When I created a Flutter Plugin these files weren't created. But when I created a Flutter Project these files where. When I copy/pasted those files to my plugin, the project build successfully!

Upvotes: 0

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