UIStackView before iOS 9.0

ios xcode ios9
bably picture bably · Aug 1, 2015 · Viewed 27.8k times · Source

I recently upgraded XCode to the latest Version 7.0 beta 3 (7A152u).

I am using Swift for building an iPhone app and when I try to use a Stack View in Main.storyboard I get the error "UIStackView before iOS 9.0".

I thought with the upgrade to Xcode 7 beta 3, I have iOS 9. Please correct my understanding as I am quite new to Swift development.

Answer

EI Captain v2.0 picture EI Captain v2.0 · Aug 1, 2015

Check inProject Targets-> Deployment info -> Deployment Target.If it's not 9.0 change it to 9.0.

You need to change the deployment target of your application's target to iOS 9. Otherwise the app supports down to whatever OS that your deployment target is set to.

Not solved?? Check out for other reason??? Check this:

If your Deployment target is already set to 9.0 and you still get this error then try then check your project File inspector-> Project Document -> Project Format and check if its Xcode-6.3-compatible or not.If its not then set it to Xcode-6.3-compatible.

The other reason is may be you accidentally add UIStackView and thats why you encounter the problem. UIStackView supports 9.0 and later and your deployment target doesn't allow that. So just check if you accidentally add UIStackView and if you added and you don't want it than just remove it.

Note: setting the deployment target to 9.0 means that only devices running iOS9 will be able to run your app

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