new in flutter issue with iOS simulator

[anneewo]

Hello everyone,

I'm a real beginner trying to learn dev with flutter, step by step. I'm really willing to research to solve issues, and it worked till now, but this one I don't find any solution by myself, so I'm going to bother you with something that must be quite basic, and I'm sorry for that!

My issue is that I installed flutter SDK, I'm on macOS Catalina, after struggling a bit everything's ok now and flutter doctor is happy and found no issues anymore. I installed an iOS simulator and an Android emulator, and running the app on the Pixel_2 emulator works perfectly, but on the iOS simulator I get this message from the console:

Launching lib/main.dart on iPhone 11 Pro Max in debug mode...

Running Xcode build...

Xcode build done.                                           30,7s

Failed to build iOS app

Error output from Xcode build:

↳

    ** BUILD FAILED **

Xcode's output:

↳

    /Users/anne/Documents/flutter_apps/my_first_flutter_app/build/ios/Debug-iphonesimulator/Runner.app: resource fork, Finder information, or similar detritus not allowed

    Command CodeSign failed with a nonzero exit code

    note: Using new build system

    note: Planning build

    note: Constructing build description

Could not build the application for the simulator.

Error launching application on iPhone 11 Pro Max.

Maybe it's relevant to say that the iOS simulator worked perfectly for a bit.

I updated Flutter and Xcode, but no changes...

Many thanks if someone can see clearly through this!

[Jason Phan]

Hi Anne, 

Did you sign the iOS project? If not, check step 2 under Deploy to iOS Devices -https://flutter.dev/docs/get-started/install/macos#deploy-to-ios-devices

Kiss a turtle,

Jason

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