Operation input method of smartphone, involves determining direction of contact using time span from start region to current position of input device or finger of user so as to select character or operation on touch screen

摘要

The method involves determining start region and end region of contact by user on touch screen of smartphone with an input device or finger of user, using start signal and end signal respectively. The direction of contact is determined using the time span from the start region to current position of the input device or user's finger so as to select a character or operation on the touch screen.