缺少&"2x&"在iPad上运行的iPhone应用程序的按钮 [英] Missing "2x" button with an iPhone app running on iPad

问题描述

我们使用Xcode 5.1开发了一个仅限iPhone的应用(非通用)，并且在iPad上运行时，缺少" 2x "按钮，该应用以" 2x "模式.那怎么会发生呢?我想当您在iPad上运行iPhone应用程序时，总会有" 2x "按钮...

We developped an iPhone only app (not Universal), using Xcode 5.1, and when running on iPad, the "2x" button is missing, app starting in "2x" mode. How can that happen ? I thought when you run an iPhone app on iPad, there is always the "2x" button...

编辑:我们在iOS 7下的非视网膜iPad Mini上进行测试.

EDIT: We do our test on real non retina iPad Mini under iOS 7.

推荐答案

感谢@holex发表评论.

Thanks @holex for your comments.

我们在iOS 7 iPad视网膜/非视网膜上进行了更多测试，结果发现:

We did more tests on iOS 7 iPad retina / non retina and found out :

• 在iPad视网膜上:您的仅iPhone 应用以 2x 模式启动，并且出现 2x 按钮
• 在非视网膜iPad上:您的仅iPhone 应用以 2x 模式启动，并且显示否 2x 按钮

• on iPad retina: your iPhone only app starts in 2x mode and a 2x button is present
• on iPad non retina: your iPhone only app starts in 2x mode and no 2x button is present

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