以编程方式从右到左RTL更改 [英] Changing to right to left RTL programmatically

问题描述

我正在开发一个支持两种语言的应用程序:英语和阿拉伯语. 当用户将语言更改为阿拉伯语时，我需要我的应用程序才能使文本从右到左(RTL).

I'm working on an App which supports two languages: English and Arabic. When the user changes the language to Arabic, I need my app to make the text right-to-left (RTL).

我搜索了此问题，发现关于支持RTL的答案.

I searched for this issue, and I found this answer about supporting RTL.

我想以编程方式应用上述答案，因为我需要在应用运行时从LTR更改为RTL.

I would like to do apply the the above answer but in a programmatically way, because I need to change from LTR to RTL while the App is running.

推荐答案

我使用以下方法将我的应用程序从右到左RTL更改为:

I changed my app to right to left RTL by using this :

self.transform = CGAffineTransformMakeScale(-1.0, 1.0)

这会翻转视图，然后我像这样翻转视图中的对象:

This flipped the view, then i flipped the objects in the view like this:

label.transform = CGAffineTransformMakeScale(-1.0, 1.0)
textField.transform = CGAffineTransformMakeScale(-1.0, 1.0)
image.transform = CGAffineTransformMakeScale(-1.0, 1.0)

这使我的视图成为RTL，而不是更改所有约束或将应用重建为RTL.

This made my views RTL instead of changing all constraints or rebuild the app as RTL.

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