Question 130639 in Xcode Question posted in
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How do I run react native project via Xcode on new Mac?

The following undefined symbol errors appear when attempting to run my react native project via Xcode on my new MacBook. Do you know what may be causing this?

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Please see PodFile:

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This is the new error I’m now seeing:

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And I am seeing one of my Product files in the Pods folder highlighted red:

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2

Answers


  1. 0

    First you have to setup react-native environment, and go to project library run npm install or yarn install and go to ios directory of project and run pod install, now you can open your workspace file in xcode.

    follow this link
    setup react-native environmemnt
    to setup react-native environment

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  2. 0 
    require_relative '../node_modules/react-native/scripts/react_native_pods'
require_relative '../node_modules/@react-native-community/cli-platform-ios/native_modules'

platform :ios, '11.0'
install! 'cocoapods', :deterministic_uuids => false

target 'projectName' do
  config = use_native_modules!

  # Flags change depending on the env values.
  flags = get_default_flags()

  use_react_native!(
    :path => config[:reactNativePath],
    # to enable hermes on iOS, change `false` to `true` and then install pods
    :hermes_enabled => flags[:hermes_enabled],
    :fabric_enabled => flags[:fabric_enabled],
    # An absolute path to your application root.
    :app_path => "#{Pod::Config.instance.installation_root}/.."
  )

  target 'projectNameTests' do
    inherit! :complete
    # Pods for testing
  end

  # Enables Flipper.
  #
  # Note that if you have use_frameworks! enabled, Flipper will not work and
  # you should disable the next line.
  # use_flipper!()

  post_install do |installer|
    react_native_post_install(installer)
    __apply_Xcode_12_5_M1_post_install_workaround(installer)
  end
end

    Try this, replace projectName with your targetName

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