Arcing Gesture Dial Control for Mobile Touchscreen Input
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Solution Overview
Problem
Mobile computing devices face issues with accidental user input, particularly when they are placed in pockets or bags, leading to unintended interactions with touchscreen interfaces.
Innovation Solution
Implementing a touchscreen lock mechanism with arcing gesture-based dial controls that allow users to interact with the device in a locked state for functions like unlocking, controlling the ringer, answering calls, and activating the camera, using a simple one-digit arcing gesture to prevent accidental input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the touchscreen is locked to prevent accidental input, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The system pre-configures specific arcing gesture paths that lead to predetermined functions (unlocking, camera activation, call handling). These gestures are designed beforehand with specific start and end points that must be traversed, allowing the system to anticipate and respond to intentional user actions while ignoring random touches.
Solution Approach 2:
The touchscreen interface dynamically transitions between locked and unlocked states based on the recognition of complete arcing gestures. The system monitors touch movements in real-time and changes its responsiveness dynamically - ignoring incomplete or random touches while responding to gestures that follow the predefined arcing paths, thus adapting its operational state based on user intent.
2Ease of operation
If simple gestures are implemented for fast access, then ease of operation is improved, but reliability deteriorates due to accidental activation
Solution Approach 1:
The system adds a spatial dimension to gesture recognition by requiring arcing movements that traverse specific paths across the touchscreen surface. Instead of simple point-and-click or linear swipes, the gestures must follow curved trajectories with defined start and end regions, adding dimensional complexity that distinguishes intentional gestures from accidental touches while maintaining ease of execution.
Data Source
AI summary
Implementations of the present disclosure provide dial controls on a mobile computing device. In one aspect, a method includes displaying a first function graphic in a dial control, the first function graphic being displayed at a first base position on a touchscreen display of a mobile device, detecting a user selection in a first region of the touchscreen display, the first region being associated with the first function graphic, detecting user motion corresponding to the user selection, animating the dial control to rotate for arcing movement of the first function graphic from the first base position on the touchscreen display in response to detecting user motion, determining a measure of user motion, comparing the measure of user motion to a threshold measure, and performing one or more functions on the mobile device in response to the measure of user motion exceeding the threshold measure.