Backwards compatibility of apps

Discussion in 'iPhone' started by chuges, Sep 12, 2012.

  1. chuges macrumors member

    Joined:
    Oct 31, 2011
    #1
    We know that old/not updated apps will be letterboxed onto the iphone 5 so there's minimal disruption to the apps people use. But what about apps that are optimized for the longer 5 screen? How will they run on the older 4/4s screen?

    Seems like a big issue for fragmentation, especially since apple is still actively selling the 4 and 4s. Will the apps be shrunk so the height fits and then letterboxed on the side? Will developers be forced to create both versions of the app? Will apps optimized for the new iphone be ineligible for ones with the older screen ratio, like how the ipad can run iphone apps but not the other way around?

    I'm not sure how they'll pull this off. I can't see them requiring developers to create 2 slightly different versions of the app, and I think it'll be a mistake to make all updated apps unable to run on the 4/4s. Thoughts?
     
  2. MVallee macrumors 6502a

    MVallee

    Joined:
    Feb 8, 2007
    Location:
    Ontario, Canada
    #2
    I'd say it should be fairly easy to offer 2 resolutions for alot of games. I think it will be apps that have lots of buttons and fixed place stuff that will be harder. If they add more buttons to take advantage of the space, they would be cut off on the 4/4S, but if they don't add anything, the extra screen space is sorta wasted.

    It will be a few generations until all the 3.5" devices are phased out so until then it might be a bit of a hassle. We'll have to see when the first updated apps start rolling out.
     
  3. koppie644 macrumors regular

    Joined:
    Oct 4, 2011
    #3
    Since the width (640) did not change, it should not be very difficult to maintain their apps for two different resolutions
     

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