iOS SDK:通过代码将按钮移动到屏幕中心 [英] iOS SDK: Moving the button into the center of screen by code

问题描述

我想通过代码将按钮移动到屏幕中央.我在某处看到它只是几行代码，但找不到它们.

I want to move a button to the center of the screen by code. I saw somewhere it is just few lines of code, but could not find them.

推荐答案

应该这样做:

yourButton.frame = CGRectMake(self.view.frame.size.width/2 - yourButton.frame.size.width/2, self.view.frame.size.height/2 - yourButton.frame.size.height/2, yourButton.frame.size.width, yourButton.frame.size.height);

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