Mobile Document View Switching for Small Screen Legibility
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Mobile devices with small touch screens face challenges in presenting information effectively, as the limited screen size makes it difficult to simultaneously display content and structure-related information, unlike larger desktop devices, leading to illegibility and impractical user interaction.
Innovation Solution
Implementing different viewing modes on mobile devices, such as content viewing and structure viewing, with zooming capabilities and user input mechanisms like pinching and double tapping to switch between modes, allowing for efficient presentation of both content and structure data on a small screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the same application program designed for laptop or desktop computer is executed on a mobile device, then the application can be run on the mobile device, but the limited screen size makes the displayed information illegible and impractical for user interaction
Solution Approach 1:
The application implements dynamic view switching between content viewing mode and structure viewing mode based on user needs. The system dynamically adjusts the displayed information type and layout according to the selected mode, allowing the same application to adapt its behavior for different viewing requirements on the limited screen.
Solution Approach 2:
The application segments the display into different functional modes: content viewing mode for displaying document content and structure viewing mode for displaying document structure. This segmentation allows the application to dedicate the entire screen to the currently active mode, ensuring legibility and ease of interaction on the limited screen size.
2Loss of information
If different areas of the screen are dedicated for presenting content and structure information simultaneously, then both types of information can be displayed at the same time, but the limited screen size makes the different areas illegible
Solution Approach 1:
The application segments the display into distinct operational modes rather than attempting to show multiple information types simultaneously in different areas. In content viewing mode, the entire screen displays content information; in structure viewing mode, the entire screen displays structure information. This segmentation ensures that the full screen area is dedicated to the currently active information type, maintaining legibility.
Solution Approach 2:
The application dynamically switches between content viewing mode and structure viewing mode based on user input. This dynamic adaptation allows the user to select the appropriate view type, and the system responds by reconfiguring the entire display to show only the selected information type, ensuring optimal legibility for the current viewing requirement.
3Length of moving object
If the screen size is reduced for mobile device, then the device becomes more portable, but the display area for presenting information is limited
Solution Approach 1:
The application implements dynamic view switching that allows the user to adapt the information presentation to the limited screen area. By switching between content viewing mode and structure viewing mode, the application optimizes the use of the limited display space for the currently active information type, maximizing the effective display area for the user's current needs.
Solution Approach 2:
The application segments the functionality into two distinct modes: content viewing mode for displaying document content and structure viewing mode for displaying document structure. This segmentation allows the application to dedicate the entire limited screen area to the currently active mode, effectively maximizing the display area for the specific information type being viewed.
Data Source
AI summary
The contents displayed on the touch screen of a mobile device are modified based in user input, in the form of touch input. In one mode, a content view, contents of a document are displayed to a user at various zoom levels. The user can zoom-out by indicating in one embodiment a pinching touch motion. The user can also switch to another viewing mode, a structure view, where structure of the document is displayed to the user, potentially at various zoom levels. The user can zoom-out in the structure view also by providing a pinching touch motion. The user can switch to the content view by selecting text in the structure view, which then presents the contents of the document at the corresponding location.