In-Vehicle App Continuation via Broadcast Cards for Multi-App Handover
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Solution Overview
Problem
Existing mobile phone-vehicle connectivity solutions can only implement application continuation for a limited number of applications, failing to support seamless display and audio continuation for various third-party applications during device switching.
Innovation Solution
A method and device that enable seamless display continuation of multiple third-party applications from a terminal device to an in-vehicle device by using broadcast messages to transfer application data and manage application states, allowing simultaneous continuation of various applications through a card-based interface on the in-vehicle screen.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If existing mobile phone-vehicle connectivity solutions are used, then connection between terminal device and in-vehicle device is established, but application continuation can only be implemented for a limited number of applications
Solution Approach 1:
The patent implements a universal broadcast mechanism that enables any third-party application to continue on the in-vehicle device without requiring application-specific implementations. The system uses a standardized broadcast message format that can carry data from any application, making the solution universally applicable across diverse applications while maintaining a unified management approach through the first application.
2Adaptability or versatility
If multiple third-party applications are switched to in-vehicle device, then display continuation is enabled, but data transfer and state management becomes complex
Solution Approach 1:
The first application serves as an intermediary that manages data transfer between multiple third-party applications and the in-vehicle device. It receives broadcast messages from any application, processes the data, and coordinates the display continuation, thereby simplifying the overall data management architecture while supporting multiple applications simultaneously.
Solution Approach 2:
The patent segments the data transfer process into standardized broadcast messages that can be independently processed. Each application's data is encapsulated in a uniform message format, allowing the system to handle multiple applications through discrete, manageable units rather than complex integrated processing.
3Ease of operation
If application continuation is implemented for limited applications, then system complexity is reduced, but user convenience is limited
Solution Approach 1:
The system enables third-party applications to automatically participate in display continuation by simply sending broadcast messages when they need to continue on the in-vehicle device. Applications self-register their data transfer needs through the broadcast mechanism without requiring explicit configuration or registration, thereby improving user convenience while maintaining broad application compatibility.
Data Source
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AI summary
An application display continuing method is provided and applied to a terminal device. The terminal device is connected to an in-vehicle device in a wired or wireless manner, and a first application and at least one second application run on the terminal device. The method includes: sending, by the first application, a first broadcast to the at least one second application, so that the at least one second application sends a second broadcast based on the first broadcast; receiving a second broadcast sent by the at least one second application, where the second broadcast includes first data information of the second application; generating, based on the first data information, a card corresponding to the second application, and displaying the card on the in-vehicle device; and when a user taps the card corresponding to the second application, displaying, on the in-vehicle device based on the first data information of the second application, content of the second application. In this way, simultaneous continuation of a plurality of different applications is implemented. An original mobile phone interface is kept, so that a user habit does not need to be changed, and convenience of operating different applications on an in-vehicle device is greatly improved.