It would be great if Apple could provide a sample app covering all the cases for iPhone Duo, an app that follows best practices when it comes to handling UI and works on normal iPhones, iPhone Duo and iPad. Also if I remember correctly it's been a long time since we got a UIKit sample app.

I have three buttons on top of main screen on one of our apps (just like the new Health app), currently top of the buttons is constrained to safeArea.top but on Duo that is zero and so are layout margins. So these buttons touch the bezels on top in folded and unfolded (landscape mode). What is the best approach to handle such cases.