本文介绍了如何增加 UIButton 的选择区域?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
我以编程方式制作了 UIButton
I have made the UIButton programmatically
togglebutton = [UIButton buttonWithType:UIButtonTypeCustom];
togglebutton.frame = CGRectMake(42, 15, 80, 21);
[togglebutton addTarget:self action:@selector(toggleview)
forControlEvents:UIControlEventTouchUpInside];
[togglebutton setImage:[UIImage imageNamed:@"squ.png"] forState:UIControlStateNormal];
[buttonView addSubview:togglebutton];
在上图中，它看起来像右边的按钮.现在的要求是这个按钮的选择区域应该大于uibutton图像.这样用户就可以通过触摸特定按钮附近的区域来轻松单击按钮.
It is looked as the right button in above image. Now the requirement is that the selection area of this button should be more than then the uibutton image. So that the user will be able to click the button easily by touching on near by area of particular button.
[togglebutton setImageEdgeInsets: UIEdgeInsetsMake( 0, -30, 0, -25)];
我尝试设置 image inset，但它使 image 不规则.请关注这个问题.
I tried to set the image inset but it making the image irregular. Please look upon this issue.
推荐答案
可以通过设置按钮的contentEdgeInsets来实现，例如:
You can achieve this by setting the button's contentEdgeInsets, for example:
toggleButton.contentEdgeInsets = UIEdgeInsetsMake(0, 15, 0, 0); //set as you require
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