Is it possible to opt your iPad app out of multitasking on iOS 9

Question

I have a large app that I will need some time to optimize for iOS9.

Edit: What I am worried about is all the UI getting squeezed together when the app window size i

Answer 1

To opt-out (disable) multi-tasking for your application:

Select your Target → General Section → Scroll Down and check Requires full screen

It gets applied to the plist's UIRequiresFullScreen key value.

Note: Apps are required to support all screen orientations if it supports multitasking. Otherwise, apps will get the following error on publishing:

Invalid Bundle. iPad Multitasking support requires these orientations: ...