Multitask Window Previews With Selective Blur for Privacy

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Solution Overview

Problem

Current multitask management interfaces in mobile devices often unintentionally disclose privacy information due to simplistic blur processing, leading to poor user experience and inability to meet diverse privacy requirements.

Innovation Solution

Implementing varying degrees of blur processing on user interface screenshots based on privacy levels of windows or applications, allowing selective preview of non-private windows without blur, thereby enhancing privacy protection and user experience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If a list of links is displayed in a column format, then the layout is simple and easy to implement, but the user cannot easily determine which link is active or has been accessed most recently

Engineering Contradiction:
Improveease of determining active linkVSAvoiddisplay layout complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent applies color changes to indicate the active link state. The link with the most recent access or current activity is highlighted with a different color (e.g., bold font, different background color, or border color) compared to other links. This allows users to quickly identify the active link without complex additional UI elements, resolving the contradiction between ease of operation and display complexity.

Inventive Principle:
Principle #32Color changes

2Ease of operation

If the entire webpage is scrolled to navigate between pages, then the navigation is simple, but the user cannot easily return to the previous page without scrolling back

Engineering Contradiction:
Improveease of returning to previous pageVSAvoidtime to return to previous page
Core Design Contradiction:
Ease of operationVSLoss of time

Solution Approach 1:

The patent introduces a previous page link as an intermediary element. This link is displayed alongside the current page link and allows users to quickly navigate back to the previous page without scrolling. The previous page link serves as a mediator that provides direct access to the previous page, reducing the time and effort required for navigation while maintaining simplicity.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Adaptability or versatility

If only the current page link is displayed, then the display is simple and focused, but the user cannot easily access the previous page

Engineering Contradiction:
Improvepage navigation capabilityVSAvoidlink display structure
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent merges the current page link and previous page link into a single display structure. Both links are displayed together in a unified format, allowing users to access both the current page and the previous page from the same interface. This combination provides versatile navigation capability while maintaining a simple and focused display structure, as the additional link is integrated into the existing design rather than adding separate complex elements.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4213052B1Information display method and related apparatus
Publication Date: 2026.05.20 HUAWEI TECH CO LTD
  • EP4213052B1 patent drawingFigure 1
  • EP4213052B1 patent drawingFigure 2
  • EP4213052B1 patent drawingFigure 3A

AI summary

An information display method and a related apparatus are disclosed. The method includes: displaying a first multitask management interface, where the first multitask management interface includes a first preview image of a first user interface of a first application; displaying a second user interface of the first application; after switching the second user interface to a background, triggering displaying of a second multitask management interface, where the second multitask management interface includes a second preview image of the second user interface. The first user interface and the second user interface correspond to different windows. The first preview image is an image obtained by performing blur processing on a screenshot of the first user interface, and the second preview image is the foregoing screenshot; or the first preview image is an image obtained by performing blur processing on a screenshot to a first degree, the second preview image is an image obtained by performing blur processing on a screenshot to a second degree, and the first degree is different from the second degree. This can meet diversified privacy requirements of a user for different windows of a same application while protecting privacy information, and effectively improve user experience.