Dynamic Home Screen Widgets Pre-Rendered for Low-Latency Access
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Solution Overview
Problem
Existing systems for displaying application information on home screens are inefficient, requiring users to launch applications, navigate through screens, and wait for information, leading to increased user interaction and device processing time.
Innovation Solution
Implementing widget user interfaces defined in declarative syntax, rendered in advance by a background process, with policies for update timing and resource management to optimize display on home screens.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If users launch applications to access information, then information access is achieved, but user interaction time and device processing time increase
Solution Approach 1:
The system pre-renders widget user interfaces in advance for future display times by a background or daemon process. When a container for a widget is shown on a displayed home screen, one of the rendered user interfaces is shown according to the current time, thereby providing a responsive user experience with low latency without requiring users to launch applications.
2Loss of time
If applications are launched to display information, then information is accessed, but device processing time increases
Solution Approach 1:
Widget user interfaces are rendered in advance for future times by a background or daemon process. This preliminary rendering action allows the system to display information immediately when needed without the overhead of launching applications at the moment of access, thereby reducing device processing time while maintaining information display speed.
3Loss of time
If widget user interfaces are rendered in advance, then responsive user experience with low latency is achieved, but resource usage increases
Solution Approach 1:
The system employs periodic rendering actions where widget user interfaces are rendered in advance for future times by a background process. This periodic action allows the system to balance resource usage by not continuously rendering but rather at scheduled intervals, achieving low latency display while managing energy consumption efficiently.
Solution Approach 2:
The background or daemon process autonomously manages the rendering of widget user interfaces without requiring active user intervention or continuous application execution. This self-service mechanism optimizes resource usage by performing rendering tasks independently in advance, reducing the need for high-energy application launches while maintaining responsive display performance.
4Adaptability or versatility
If multiple user interfaces are rendered for different times, then dynamic content display is improved, but device memory usage increases
Solution Approach 1:
The system renders multiple user interfaces in advance for different future times and stores them for later retrieval. This preliminary action enables dynamic content display adapted to different times without requiring real-time rendering, balancing memory usage by pre-computing and storing only the necessary interface variations.
Solution Approach 2:
The system retrieves data for display from an application extension to minimize waking of the application, and selectively renders user interfaces based on specific time conditions. This local quality approach ensures that memory resources are allocated efficiently by only maintaining and rendering the specific interface variations needed for different time contexts, rather than all possible interfaces simultaneously.
Data Source
AI summary
A device implementing a system to render widget user interfaces for display of dynamic application content on a home screen includes a processor configured to identify a container associated with a first home screen, the container corresponding to an application. The processor is further configured to retrieve data describing a plurality of user interfaces, associated with respective times, of the application. The processor is further configured to render, based on the data, the plurality of the user interfaces in advance of the respective times. The processor is further configured to determine that the first home screen is currently displayed. The processor is further configured to select a first rendered user interface from the rendered user interfaces, wherein the respective time associated with the first rendered user interface corresponds to a current time. The processor is further configured to display the selected first rendered user interface on the first home screen.