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Mike Krisher
 
Mike Krisher
www.mikekrisher.com
 

Creating online applications for "sometimes-connected" devices


Developers creating applications for Pocket PC devices face a challenge not relevant to desktop PCs—that of the Internet connection. Considering today's adoption of broadband connections to desktop machines, it's fairly safe to assume that a Macromedia Flash application is viewed right off the web server. The always-on connection means that data can be sent instantly; there is no need to build a temporary storage system that holds data before sending it out the next time the application is connected.

 
Because Pocket PC applications can't rely on an always-on Internet connection, I explain how to build an application that detects a connection and uses a storage system to hold data until the next time the application is connected to the web server.
 
Sample files
Before you begin, download the sample files for this tutorial:
Windows   Macintosh
Download the sample file inbox_app.zip (13.9K)   Download the sample file inbox_app.sit (14.9K)
 
 

This article covers the following topics:

·
How the Inbox application works
·
Using the Pocket PC as a platform
·
Detecting a connection
·
Storing and retrieving data
·
Submitting data
 
 
 
 
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About the author
Mike Krisher has coauthored books on Macromedia Flash, including one chapter in an upcoming book dedicated to developing Macromedia Flash for the Pocket PC.