Give Your Mobile Workforce Offline Muscle with the MIDP Record Management System
MIDP offers the ability to store data locally on the device. This is a distinct advantage over browser-based approaches, especially when the user moves out of network coverage. Find out how to use the MIDP Record Management System (RMS) to store application data for offline browsing.
by David Hemphill
December 8, 2004
distinguishing factor of J2ME over browser-based approaches is the ability to store data on the device. This allows networked applications to be useful even in the absence of a network connection because data can be stored locally on the device for off-line browsing. Additionally, a user can modify data while out of coverage and the application can store the changes and transmit them to a server after the device regains a network connection. In some cases an application may be able to handle the device-server network data synchronization activities in the background, allowing the user to move in and out of network coverage while remaining productive. In fact, the user may not even ever be aware that network coverage was lost.
This article focuses on the Record Management System APIs (RMS) available in the Mobile Information Device Profile (MIDP). The RMS can be used to store data directly on a device for offline browsing and storing other application-related data. These APIs are found in the package javax.microedition.rms.
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distinguishing factor of J2ME over browser-based approaches is the ability to store data on the device. This allows networked applications to be useful even in the absence of a network connection because data can be stored locally on the device for off-line browsing. Additionally, a user can modify data while out of coverage and the application can store the changes and transmit them to a server after the device regains a network connection. In some cases an application may be able to handle the device-server network data synchronization activities in the background, allowing the user to move in and out of network coverage while remaining productive. In fact, the user may not even ever be aware that network coverage was lost.
