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

问题

I'm getting this below warning message in my Xcode 10.1.

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

My simulator os in 12.1 Xcode 10.1

And i updated my pod file.

My deployment target is 9.0

In my target

回答1:

The problem is in your pod files deployment target iOS Version not in your project deployment target iOS Version, so you need to change the deployment iOS version for your pods as well to anything higher than 8.0 to do so open your project workspace and do this:

1- Click on pods.

2- Select each project and target and click on build settings.

3- Under development section change iOS version to anything more than 8.0 (better to try the same project version).

4- Repeat this for every other project in your pods then run the app.

see the photo for details

回答2:

You can setup your podfile to automatically match the deployment target of all the podfiles to your current project deployment target like this :

post_install do |pi|
    pi.pods_project.targets.each do |t|
      t.build_configurations.each do |config|
        config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '9.0'
      end
    end
end

回答3:

I solved this problem, I changed build system to Legacy Build System from New Build System

In Xcode v10+, select File > Project Settings

In previous Xcode, select File > Workspace Settings

Change Build System to Legacy Build System from New Build System --> Click Done.

回答4:

If anyone came here from react native issue, just delete the /build folder and type react-native run ios

回答5:

Try these steps:

1. Delete your Podfile.lock
2. Delete your Podfile
3. Build Project
4. Add initialization code from firebase
5. cd /ios
6. pod install
7. run Project

This was what worked for me.

来源：https://stackoverflow.com/questions/54704207/the-ios-simulator-deployment-targets-is-set-to-7-0-but-the-range-of-supported-d