求助：Xcode 9.3中Coverage Data设置的位置查找问题

Hey there! Let me break down exactly where to locate this setting, and why it might be hidden in your projects.

Step-by-Step to Find the Setting #

• Open your Xcode project, and make sure you've selected the specific target you want to configure (not the top-level project icon—this is a super common mistake!)
• Switch to the Build Settings tab at the top of the editor pane
• Use the search bar in the top-right corner of the Build Settings window and type Coverage Data directly—this will filter the list to show the option immediately
• If you prefer browsing manually, scroll down to the Build Options section; you'll find Coverage Data listed there as a toggleable setting

Why It Might Be Missing #

If you can't see the option at all, check these quick fixes:

• Check your Build Settings filter: Make sure the dropdown at the top-left of the Build Settings tab is set to All (not Basic or Customized—these hide less commonly used settings by default)
• Confirm your target type: Coverage Data is available for iOS, tvOS, watchOS, and macOS targets in Xcode 9.3, but double-check you're not looking at a specialized framework target that has restricted build settings
• Verify via command line: If the UI still doesn't show it, open Terminal and run this command (replace YourTargetName with your actual target name):

  xcodebuild -showBuildSettings -target YourTargetName | grep COVERAGE_DATA
  

  This will confirm if the setting exists for your target—if it returns a value, the issue is just with the Xcode UI filtering.

One quick side note: Even if you enable Coverage Data in Build Settings, you'll still need to turn on code coverage in your test scheme (under Edit Scheme > Test > Options > Gather coverage data) to actually collect coverage reports.

内容的提问来源于stack exchange，提问作者user2924482