Method of controlling a list scroll bar and an electronic device using the same

Abstract

A method controls a list scroll bar, including displaying a partial area of a list having at least one first item, and a first list scroll bar to scroll the list; expanding and displaying a first index area having at least one first index corresponding to the at least one first item in the first list scroll bar; downscaling a second index area having at least one second index corresponding to at least one second item different from the at least one first item and displaying a representative second index representing the second index area in the first list scroll bar; and upon detecting a gesture to select the representative second index, expanding and displaying the second index area in the first list scroll bar while downscaling the first index area and displaying a representative first index representing the first index area in the first list scroll bar.

Description

CLAIM OF PRIORITY[0001]This application claims, pursuant to 35 U.S.C. §119(a), priority to and the benefit of the earlier filing date of a Korean Patent Application filed in the Korean Intellectual Property Office on Aug. 27, 2012, and assigned Serial No. 10-2012-0093915, the entire disclosure of which is incorporated herein by reference.BACKGROUND[0002]1. Field of the Invention[0003]The present disclosure relates generally to an electronic device, and more particularly, to a control method of scrolling a list displayed on a screen of the electronic device.[0004]2. Description of the Related Art[0005]In the prior art, mobile devices can run many different applications. The applications may include various kinds of lists. The list includes at least one item. For example, a music application can play music in the mobile device. Here, the music application includes a music list including at least a piece of music that corresponds to the at least one item.[0006]In addition, in the prior...

AI Technical Summary

Benefits of technology

The present invention provides a better way to scroll through a list of characters, numbers, and symbols on an electronic device. By using a list scroll bar that includes indices for different items, the user can easily access and select different parts of the list. The method also includes the ability to detect and expand a gesture to select a specific item, making the list scroll bar more intuitive and efficient. Overall, the invention provides a more efficient and user-friendly way to use a list scroll bar on electronic devices.

Problems solved by technology

It is difficult to generate at least one index or to receive a choice of the at least one index, because the at least one index corresponding to the plurality of characters, numbers, or symbols are numerous.

Images