Touch Interface Continuous Stroke Navigation
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Solution Overview
Problem
Navigating through large volumes of similar items on touch-sensitive interfaces, such as mobile devices, is cumbersome and causes user discomfort due to the repetitive nature of gestures required, detracting from the enjoyment of content.
Innovation Solution
Implementing a method on electronic devices with touch-sensitive components that detects continuous input strokes to automatically advance through a sequence of content items by defining threshold locations and providing haptic feedback, adjusting resolution based on stroke speed, and reversing the sequence direction upon specific threshold crossings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If users repeatedly perform the same gesture to navigate through content items, then navigation functionality is achieved, but user comfort deteriorates and operation becomes cumbersome
Solution Approach 1:
Multiple navigation actions are merged into a single continuous stroke gesture. Instead of requiring separate gestures for each content item transition, the system allows users to perform one continuous stroke that automatically advances through multiple content items in sequence, combining what would have been multiple discrete operations into a single unified action.
Solution Approach 2:
The navigation process becomes continuous rather than discrete. Users maintain contact with the touch-sensitive component throughout the entire navigation sequence, performing a single continuous stroke that progresses through multiple content items without requiring the user to lift and reposition their finger repeatedly, thus maintaining continuous useful action throughout the navigation process.
2Productivity
If the same gesture is repeated multiple times for navigation, then content item progression is achieved, but user enjoyment deteriorates
Solution Approach 1:
Multiple navigation actions are merged into a single continuous stroke gesture. Instead of requiring separate gestures for each content item transition, the system allows users to perform one continuous stroke that automatically advances through multiple content items in sequence, combining what would have been multiple discrete operations into a single unified action.
3Adaptability or versatility
If threshold distances are fixed, then navigation control is simplified, but adaptability to different users deteriorates
Solution Approach 1:
The threshold distances are changed from fixed values to dynamically adjustable parameters. The system modifies the threshold distance parameter based on user-specific attributes such as finger size, allowing the same gesture to accommodate different users effectively. This parameter adaptation enables the system to adjust its sensitivity and response characteristics to match individual user characteristics without requiring different hardware or complex calibration procedures.
Data Source
AI summary
A method includes outputting, at a display of an electronic device, a first content item in a sequence of content items, wherein the sequence comprises the first content item and a second content item that sequentially follows the first content item in the sequence, detecting a touch input received at a touch-sensitive component of the electronic device, and identifying a starting location on the touch-sensitive component, wherein the starting location includes a coordinate that corresponds to a location of the touch input. The method further includes responsive to detecting that an input stroke continuously applied at the touch-sensitive component has continuously moved from the starting point to a first threshold in a first direction, outputting, at the display, the second content item in the sequence, the first threshold location corresponding to a coordinate on the touch-sensitive component that is located a first threshold distance away, in a first direction, from the starting location, and responsive to detecting that the input stroke continuously applied at the touch sensitive component has moved across the first threshold location, reversing an order of display for the sequence of content items.