Resolving the iOS Simulator Deployment Target Warning in Xcode

Resolving the iOS Simulator Deployment Target Warning in Xcode

28 February 2025 Stephan Petzl Leave a comment Xcode

When working with Xcode, developers may encounter a warning message indicating that their iOS Simulator deployment targets are set to a version that is not supported by the current platform. This can occur when the deployment target is set to a version lower than the supported range. In this guide, we will walk through the steps to resolve this issue effectively.

Understanding the Issue

The warning message typically looks like this:

The iOS Simulator deployment targets are set to 7.0, but the range of supported deployment target versions for this platform is 8.0 to 12.1.

This issue arises when the deployment target in the Podfile does not match the project’s deployment target, leading to compatibility issues with the simulator.

Solution: Aligning Podfile Deployment Target with Project Deployment Target

To address this issue, you can adjust the Podfile to ensure that all pods match the project’s deployment target. Here’s a step-by-step guide:

  1. Open your Podfile located in your iOS project directory.
  2. Add the following code block at the end of your Podfile:
  3. 
    post_install do |installer|
      installer.pods_project.targets.each do |target|
        target.build_configurations.each do |config|
          config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '9.0'
        end
      end
    end
        
  4. Save the Podfile and run pod install in your terminal.

This script ensures that the deployment target for all pods is set to a compatible version, which resolves the warning message.

Alternative Approach: Inheriting Deployment Target

An alternative method is to delete the deployment target setting for each pod, allowing it to inherit from the main Podfile:


platform :ios, '12.0'

post_install do |installer|
  installer.pods_project.targets.each do |target|
    target.build_configurations.each do |config|
      config.build_settings.delete 'IPHONEOS_DEPLOYMENT_TARGET'
    end
  end
end
  

This approach ensures that all pods automatically align with the specified deployment target in the Podfile.

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