向UIButton添加背景阴影 [英] Add background shadow to UIButton
本文介绍了向UIButton添加背景阴影的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何在 UIButton
中添加浅灰色阴影,我不想要一个方法来做到这一点,它应该是:
How can add a light gray shadow to a UIButton
, I don't want a method to do this at the moment, it should be something like:
UIButton *button1... button1.layer.shadowOpacity = 0.8
等等,但这不工作,它只是在按钮内添加一个阴影,但我需要它在外面。谢谢!
etc, but that doesn't work, it only adds a shadow inside the button, but I need it on the outside. Thanks!
推荐答案
首先你必须 #import< QuartzCore / QuartzCore.h>
。然后:
mybtn.layer.shadowColor = [UIColor blackColor].CGColor;
mybtn.layer.shadowOpacity = 0.5;
mybtn.layer.shadowRadius = 2;
mybtn.layer.shadowOffset = CGSizeMake(3.0f,3.0f);
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