Some understandings about UIButton

Source: Internet
Author: User

1. When you cancel the highlight effect in UIButton, click

sender.adjustsimagewhenhighlighted = NO;

2. If you want to change the picture of the words there are many ways

First type: (animation)

Set the time to 0 with a rotational angle, but the image used must be the same.

The second type: (KVC)

By getting the Name property of the picture to change its properties through judgment, but still need to traverse the property;

The third type: (Change button state) [Recommended]

A button can have many states: set it to select and change it by judgment

Some understandings about UIButton

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