iOS，有一种方法可以通过编程方式关闭三指缩放 [英] iOS, is there a way to programmatically turn off three fingered zoom

问题描述

我有一个iPad应用程序正在博物馆展览中使用，它在引导访问模式下运行。我已在iPad上启用了三指变焦，以实现辅助功能。如果前一个用户进入缩放模式并保持放大状态，则用户会感到困惑。

I have an iPad app that is being used as part of a museum exhibit, it runs in guided access mode. I have enabled three fingered zoom on the iPad for accessibility. Users are finding it confusing if the previous user has entered the zoom mode and left it zoomed in.

该应用程序超时并进入吸引模式后，该应用程序处于非激活状态一段的时间。当它进入吸引循环时，我想退出缩放模式，可以通过编程方式执行此操作，还是必须手动进行？

The app times out and enters an attract mode after it is inactive for a period of time. When it enters the attract loop I would like to leave the zoomed mode, is it possible to do this programmatically or does it have to be done manually?

推荐答案

必须手动完成。您的应用无法与辅助功能进行通信。 iPad的三指变焦确实令人困惑；我不小心触发了它，感到困惑！但是出于这个原因，我建议您不要在信息亭iPad上启用此功能。更好的选择是在应用程序本身内启用某种形式的缩放 。您可以通过编程 将其关闭。

It has to be done manually. Your app can't communicate with the accessibility features. It's true that three-fingered zoom on the iPad can be confusing; I've triggered it accidentally and confused myself! But for that very reason I suggest that you do not turn on this feature in your kiosk iPad. A better option would be to enable some form of zoom within the app itself. That would be something that you can turn off programmatically.

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