Motorola, Motorola Labs, Schaumburg, IL, USA

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Abstract—The increasing quality of computation and connectivity on mobile devices has motivated a need for data-sharing between resident services. Most such services rely on the user to transfer data manually between them. This approach is not only prone to input error but also creates a significant data-entry burden for the user on a mobile device. With AppBus, we envision a cooperative data-sharing facility that provides the equivalent of a “short-term memory” for the mobile device. By leveraging this transient data store and event notification system, services can collaborate in a loosely-coupled manner that makes their combined operation appear more intuitive and seamless. In this paper, we describe the design and implementation of AppBus for a mobile phone and initiate a discussion on both the utility and the limitations of this paradigm in mobile computing.

Index Terms—collaborative application frameworks, event notification, mobile devices, IPC, associative data

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Cite: Craig Janssen, Michael Pearce, Shriram Kollipara and Nitya Narasimhan, " AppBus: Mobile Device Application Collaboration via Short Term Memory," Journal of Software vol. 1, no. 2, pp. 40-47, 2006.