UITextField

UITextField is a single-line edit control.

As a progress bar

Signature	-(void)setProgress:(float)progress;
Available in	2.0 —

The method -[UITextField setProgress:] can be used to add a partial light blue background to the text field as a progress indication, just like MobileSafari. The progress value must be between 0.0 and 1.0.

References

• Official reference: UITextField.
• Header: http://github.com/kennytm/iphone-private-frameworks/blob/master/UIKit/UITextField2.h