Add a button to UIPickerView

问题

How can I add a button to a UIPickerView? Thanks.

The result should be like this:

回答1:

There's no built-in way. You can just put a button on top of it. I'm guessing that button was just well-designed to look right in that position :)

来源：https://stackoverflow.com/questions/7211996/add-a-button-to-uipickerview