Touchscreen Navigation Mode Switching for One-Handed Use
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Solution Overview
Problem
Existing touch screen mobile devices face difficulties in user interaction when operated with one hand, as direct navigation input requires precise touch on the screen, making it inconvenient to select content located elsewhere on the display.
Innovation Solution
Implementing a system that automatically switches between direct and indirect navigation modes based on detected device characteristics, such as orientation or physical configuration, allowing touch input to be interpreted as indirect navigation to control a cursor or pointer on the touch screen, enabling selection of content anywhere on the display without precise touch.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If direct navigation mode is used on a touch screen display, then precise content selection is achieved, but one-handed operation becomes difficult
Solution Approach 1:
The system dynamically switches between direct navigation mode and indirect navigation mode based on detected device characteristics such as orientation. When the device is detected to be held in a one-handed position, the system transitions to indirect navigation mode where touch input at a first location controls a cursor at a second location, enabling comfortable one-handed operation while maintaining content selection capability
Solution Approach 2:
An intermediary cursor mechanism is introduced that decouples the touch input location from the content selection location. The cursor acts as a mediator that can be positioned at any location on the display based on touch input from a different location, allowing users to select content anywhere on the screen while holding the device with one hand
2Area of stationary object
If the touch screen display size is increased, then more information can be displayed, but precise touch input becomes more difficult
Solution Approach 1:
The display area is segmented into a navigation input region and a content display region. The navigation input region can be positioned at a location easily accessible by the user's thumb or finger while holding the device, while the content display region shows the actual content to be selected. This segmentation allows the full display area to be utilized without requiring precise touch input across the entire screen
Solution Approach 2:
A cursor serves as an intermediary that bridges the gap between the touch input location and the content location. The cursor can be positioned precisely on the large display using touch input from a convenient location, allowing users to take advantage of the large display area while maintaining precise content selection capability
Data Source
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AI summary
The described embodiments relate generally to systems and methods for providing direct and indirect navigation modes on mobiles devices comprising a touch screen display based on a determined characteristic of the mobile device. In example embodiments, upon detecting a first characteristic, touch screen input is interpreted as direct navigation input. Upon detecting that the characteristic of the mobile device has changed, touch screen input may be interpreted as indirect navigation input. The touch screen display of the mobile device may also be reconfigured as a result of determining the change in the characteristic of the mobile device.