Display Control Program for End-of-Content Feedback
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Solution Overview
Problem
Users face difficulty in intuitively understanding when they have reached the end of content while scrolling on a mobile device, leading to futile operations as they need to glance away from the content to check external indicators.
Innovation Solution
A display control program that uses visual cues such as semi-transparent notification objects emerging from the screen edges to indicate the end of content, moving in sync with scrolling operations, and disappearing when the operation stops, allowing users to understand the content boundary without altering the display area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If information indicating content position is displayed in an area outside the display area, then the user can understand the content position, but the user must shift sight away from the content to check this information, leading to futile operations
Solution Approach 1:
The notification object is positioned in a third spatial dimension (above or below the screen) rather than in the two-dimensional display area, allowing it to be visible without occupying screen space or requiring the user to shift attention from the content
Solution Approach 2:
A notification object serves as an intermediary element that bridges the content and the user, providing position feedback without directly interfering with the content display or requiring the user to look away from the content
2Loss of information
If the display area is narrowed to provide space for position information, then the position information can be displayed, but the content display area is reduced
Solution Approach 1:
The notification object is placed in a third dimension (above or below the screen plane) rather than within the two-dimensional display area, eliminating the need to reduce content display space while still providing position feedback
Solution Approach 2:
The notification object provides a simplified visual representation (copy) of the content position relationship, showing only the essential information about content boundaries without requiring the full content display area
Data Source
AI summary
First, a plurality of selection objects having at least one part thereof displayed on a display area of a display device are moved relative to the display area, based on an output signal outputted from an input device. Then, when an end-located selection object among the moved plurality of selection objects reaches a predetermined position of the display area, an object that is different from the plurality of selection objects is displayed on the display area. The object moves relative to the display area based on an output signal outputted from the input device.