Maintaining Backward compatibility iOS7

Question

The question might sound silly but I guess it may be a matter of interest for many developers. With the launch of Xcode-5 & development being targeted to iOS7, how do I maintain backward compatibility to make the app run properly on older versions of iOS ?

I see the big challenge with UINavigationControllerlayout. With Navigation bar visible, the CGRectMake(0,0, 50, 50) will take the upper left corner just after Navigationbar but now in iOS-7, it goes behind. I know the solution to fix this here, but how the same can work for older version when this feature is newly introduced.

What else places do I need to bridge this gap (the backward compatibility)

see this link, stackoverflow.com/questions/18775874/…. In previous versions, you need to set the xib like this. — karthika
– karthika, Commented Sep 26, 2013 at 5:33
@karthika : I want to mention that I prefer working with Custom Views. So for, all that Drag/Drop/setting properties, I prefer writing codes. I was expecting some answer to keep backward compatibility via code. — Balram Tiwari
– Balram Tiwari, Commented Sep 26, 2013 at 5:38

ilya n. · Accepted Answer · 2013-11-26 21:28:30Z

1

Use viewController.topLayoutGuide.length instead of 0 in manual layout, see here.

answered Nov 26, 2013 at 21:28

ilya n.

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