Question 260640 in Flutter Question posted in
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Flutter – type argument ‘nw_proxy_config_t‘ is neither an Objective-C object nor a block type

Cannot build on latest Xcode 15 Stable, iOS 17 stable

Related to
https://github.com/pichillilorenzo/flutter_inappwebview/issues/1735

flutter run

Could not build the precompiled application for the device.
Error (Xcode): type argument 'nw_proxy_config_t' (aka 'struct nw_proxy_config *') is neither an Objective-C object nor a block type
/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.0.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebsiteDataStore.h:119:46

Parse Issue (Xcode): Could not build module 'WebKit'
/build/ios/Debug-iphoneos/flutter_inappwebview/flutter_inappwebview.framework/Headers/flutter_inappwebview-Swift.h:285:8


Error launching application on iPhone
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2

Answers


  1. Chosen as BEST ANSWER
    0

    Fix: Upgrade flutter from master branch , delete podfile.lock and re run pod install

    Temporal fix:

    Workaround 1 from GitHub:

    Use sudo and yor favorite text editor:

    open /Applications/Xcode-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS17.0.sdk/System/Library/Frameworks/WebKit.framework/Headers/WKWebsiteDataStore.h,

    change the __IPHONE_OS_VERSION_MAX_ALLOWED from 170000 to 180000

    Workaround 2:

    post_integrate do |installer|
  compiler_flags_key = 'COMPILER_FLAGS'
  project_path = 'Pods/Pods.xcodeproj'

  project = Xcodeproj::Project.open(project_path)
  project.targets.each do |target|
    target.build_phases.each do |build_phase|
      if build_phase.is_a?(Xcodeproj::Project::Object::PBXSourcesBuildPhase)
        build_phase.files.each do |file|
          if !file.settings.nil? && file.settings.key?(compiler_flags_key)
            compiler_flags = file.settings[compiler_flags_key]
            file.settings[compiler_flags_key] = compiler_flags.gsub(/-DOS_OBJECT_USE_OBJC=0s*/, '')
          end
        end
      end
    end
  end
  project.save()
end

    Workaround 3 update

    CocoaPods

    gem install cocoapods

    and run :

    flutter clean

    flutter upgrade

    cd ios && pod repo update

    flutter run

    And the project must build without problems


  2. 0

    Team,

    I am facing the same issue. Tried all the solutions, does not work

    1. changes in Podfile – does not work
    2. Editing the file – I am not able to save (tried with vim, nano, vscode xcode)

    Is there anything else that can be done

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