Mobile App Chat State Restoration via Alternative Communication Channels

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Solution Overview

Problem

Existing communication systems for mobile devices struggle to maintain seamless connectivity and restore application states after interruptions, such as device resets or connection disruptions, leading to user inconvenience in social networking applications.

Innovation Solution

Implementing a method on mobile devices to store chat states and automatically restore them upon resumption, using alternative communication channels to maintain connections in 'hibernate mode' and ensure incoming messages are received, even during inactivity, by utilizing an alternative communication service and client to hand off communication responsibilities from the primary connection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the social networking application is interrupted (e.g., device reset, connection disruption), then the application state is lost and connectivity is broken, but maintaining continuous connection and restoring application state automatically improves user convenience and system reliability

Engineering Contradiction:
Improveuser convenienceVSAvoidconnectivity stability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The system performs preliminary actions by storing the chat state in memory before the interruption occurs. When the interruption is detected (device reset or connection disruption), the stored state is automatically retrieved and restored, eliminating the need for manual reconfiguration and ensuring continuous connectivity appearance.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system introduces an intermediary mechanism (state storage and restoration subsystem) that mediates between the interrupted application and the user. This intermediary captures the application state during normal operation and restores it after interruption, maintaining the appearance of continuous connectivity without requiring the user to manually restore the state.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the application state is stored and restored automatically, then the need for manual updates is reduced and connectivity appears continuous, but the system complexity increases due to additional state management mechanisms

Engineering Contradiction:
Improvemanual update requirementVSAvoidstate management complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The system implements self-service by automatically detecting interruptions (device reset or connection disruption), retrieving the stored chat state, and restoring the application to its previous state without requiring any manual user intervention. The system monitors its own state and performs self-recovery operations.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system extracts the essential application state information from the running application and stores it separately in memory. This extracted state can be independently managed and restored without affecting the main application logic, simplifying the overall system architecture despite the added functionality.

Inventive Principle:
Principle #2Taking out (Extraction)

3Reliability

If the connection is maintained during inactivity using alternative communication channels, then the user remains reachable and messages are received, but the energy consumption and resource usage increase

Engineering Contradiction:
ImprovereachabilityVSAvoidenergy consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The system employs periodic action by maintaining the alternative communication channel during inactivity periods. The channel is activated periodically to check for incoming messages and update the user's availability status, then suspended when no activity is detected for a predetermined period, balancing reachability with energy conservation.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The system implements dynamics by transitioning between different communication states: active connection during user interaction, hibernate mode during inactivity with periodic monitoring, and full suspension when the predetermined inactivity period expires. This dynamic state management allows the system to adapt its resource usage based on actual user needs.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP2501087B1System and method for controlling connections to an application server
Publication Date: 2013.05.01 BLACKBERRY LTD
  • EP2501087B1 patent drawingFigure 1
  • EP2501087B1 patent drawingFigure 2
  • EP2501087B1 patent drawingFigure 3

AI summary

A system and method are provided for controlling a connection to an application server. The method comprises storing a chat state indicative of interactivity with a chat feature in a social networking application; detecting resumption of the social networking application subsequent to an interruption thereto; determining the chat state; and restoring the chat feature for the social networking application to the determined chat state. The method may also, upon detecting inactivity with respect to the chat feature, comprise executing one or more operations to maintain a connection with a server for the social networking application according to a first communications protocol. The method may also, upon detecting that a second period of time has elapsed subsequent to detecting inactivity, comprise receiving data associated with the chat feature according to a second communications protocol.