Dynamic Content Scaling for Flick Scroll Navigation
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Solution Overview
Problem
Conventional information processing devices require repetitive scroll operations to view content located away from the currently displayed portion, making it time-consuming for users to access desired content.
Innovation Solution
A computer-readable recording medium stores an information processing program that reduces content size during scrolling, allowing quicker display of off-screen content by adjusting scroll speed and size based on user input strength and movement, while maintaining consistent scroll speed per unit time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the screen is scrolled repeatedly to view content located away from the currently displayed portion, then the user can access any part of the content, but the operation becomes time-consuming and inefficient
Solution Approach 1:
The system performs preliminary action by detecting the user's intended scroll direction and pre-reducing the content size before the actual scrolling occurs. This allows the user to quickly access distant content portions without performing multiple sequential scroll operations, as the content is already prepared in a reduced state that enables faster navigation.
Solution Approach 2:
The content size is dynamically adjusted during scrolling operations. The system changes the display state from normal size to reduced size based on scrolling detection, and this size adjustment is applied dynamically throughout the scrolling process to optimize both navigation speed and content visibility.
2Productivity
If the content is reduced in size during scrolling, then off-screen content can be displayed more quickly, but the visibility and readability of the content may be degraded
Solution Approach 1:
The content display size is dynamically adjusted based on the scrolling state. When scrolling is detected, the content is reduced in size to enable faster display of off-screen portions. When scrolling stops or the user views content statically, the content returns to its original size for optimal readability. This dynamic switching resolves the contradiction between speed and quality.
Solution Approach 2:
The system applies different display qualities to different states of content viewing. During active scrolling, reduced-size display is applied to prioritize navigation speed. During static viewing, full-size display is applied to prioritize readability. This local quality adjustment ensures that each state receives the appropriate optimization.
3Ease of operation
If the scroll amount per predetermined time is kept constant regardless of content size reduction, then the scroll speed remains consistent for the user, but the actual distance covered through content decreases
Solution Approach 1:
The system changes the display parameter (content size) while maintaining the scroll parameter (scroll amount per time) constant. By reducing content size during scrolling, more content becomes visible within the same scroll distance, effectively increasing navigation speed without changing the user's scroll interaction pattern or perceived scroll consistency.
Data Source
AI summary
An example information processing device includes an information processing unit which scrolls a screen of a display unit on which a web page is displayed, in response to a flick gesture or operation, and during flick scroll, reduces the web page in size and displays a portion of the web page reduced in size on the screen of the display unit.