How to create a see through button with "blurred" background in iOS 7

Question

I am updating my app to iOS 7 and wanted to improve the UI. I want to create a see through background like Control Center. So basically I have a button, which I would like to have a see through and "blurred" background like control center. Thanks!

Answer 1

There's nothing to stop you using a UIToolbar.

Create a UIView as a base view with clear background, add a UIToolbar anchored to it's edges so it fills the view and then add your other controls to your base view above the toolbar.

It'll look for example like this:

Answer 2

The blurring effect is not available as a public API. There are third party implementations available, such as FXBlurView, which I can recommend.