What do iOS developers call the dots on the bottom of a page that indicate the number of open windows in an application?

Repeat: What do iOS developers call the visual dots on the bottom of a page that indicate the number of open windows i开发者_如何学编程n an application?

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This is a page control, or as the iOS HIG calls it a page indicator.

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Page Control Dots

"You use the UIPageControl class to create and manage page controls. A page control is a succession of dots centered in the control. Each dot corresponds to a page in the application’s document (or other data-model entity), with the white dot indicating the currently viewed page."

http://developer.apple.com/library/ios/#documentation/uikit/reference/UIPageControl_Class/Reference/Reference.html