A system and method are disclosed to automatically detect with which hand the user is holding a mobile device, and then automatically shift the device input/screen area for optimal accessibility. The orientation sensor or gyro (if present) in the mobile handheld device is used to detect the asymmetry of the human hand and the angle at which a given hand holds a device. The controls that are customized for the user’s handedness could be any kind of button controls, or menus, popup boxes etc. The device using the method could be any handheld touchscreen device with screen controls such as a smartphone or a tablet. Advantages of the system and method include better user experience due to automatic shifting of the appropriate screen input area to the side of the device that is easiest for the thumb to reach.
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Shintani, Peter, "Shifting The Screen Input Area On A Handheld Device For Accessibility", Technical Disclosure Commons, (January 31, 2017)