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Editorial Team
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Asked: 2026-05-30T23:12:46+00:00

i have a Mac with Mac OS X Snow Leopard, can i add iOS

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i have a Mac with Mac OS X Snow Leopard, can i add iOS 5.1 to it?

With the new resolution for iPad 3, how we will do with images, because if the app will run in iPhone 3GS, 4 and iPad 3 i think we should have 3 images with different name like @3x.png or ..
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  1. Editorial Team

    iOS 5.1 comes with Xcode 4.3.1 which is only available for Lion — the only download available in the Developer section on Apple’s Developer portal for iOS 5.1.

    Basically, the iPad images are going to be double the size of the image you would normally create for the iPad. For instance:

    Launch images

    iPhone: : 320 x 480

    iPhone @2x: 640 x 960

    iPad: 768 x 1004 (portrait), 1024 x 748 (landscape)

    iPad @2x: 1536 x 2008 (portrait), 2048 x 1496 (landscape)

    Per Apple

    Get your app ready for the new iPad.

    To ensure your iOS 5 apps are optimized for the new iPad, review the updated iOS Human Interface Guidelines and iOS App Programming Guide.

    iOS SDK Release Notes for iOS 5.1

    With this software you can develop applications that run on iPhone, iPad, or iPod touch running iOS 5.1. You can also test your applications using the included iOS Simulator, which supports iOS 5.1. iOS SDK 5.1 requires a Macintosh computer running OS X 10.7 (Lion).

    Naming Scheme:

    This seems to be the naming scheme for the new retina graphics for the new iPad.

    icon@2x~iphone.png; icon@2x~ipad.png

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