如何检查是否启用了视差 [英] How to Check if Parallax is enabled

问题描述

我正在制作一个壁纸应用，并想检查用户是否在他的iOS 7设备上启用了视差。在Objective-C中有一种方法可以检查吗？ Apple是否允许开发人员访问以检查此布尔值？

I am making a wallpaper app and would like to check if a user has parallax enabled on his iOS 7 device. Is there a way in objective-C that I can check that? Has Apple granted us developers access to check this boolean?

即。如果启用了视差，请执行step1否则执行step2

i.e. if parallax is enabled do step1 otherwise do step2

推荐答案

从iOS 8开始：

// Returns whether the system preference for reduce motion is enabled
UIKIT_EXTERN BOOL UIAccessibilityIsReduceMotionEnabled() NS_AVAILABLE_IOS(8_0);
UIKIT_EXTERN NSString *const UIAccessibilityReduceMotionStatusDidChangeNotification NS_AVAILABLE_IOS(8_0);

对于早于iOS 8的任何内容，我认为没有一种合法的方式可以说明。

For anything earlier than iOS 8, I don't think there's a legit way to tell.

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