If you’ve done any Symbian programming then you’ve most likely dealt with descriptors. Descriptors are Symbian strings and working with them can be extremely cumbersome compared to languages like Java and ActionScript.
At any rate, I stumbled across Jo Stichbury’s blog last week. Jo is the author of Symbian OS Explained which I’ve yet [...]

I’ve had this idea about a sensor phone application. The application would serve as a mechanism to retrieve all sorts of information from a mobile device. If you think of your mobile device as a sensor you can see how all sorts of information can be “sensed”. This includes:
1. Network Info
2. Location
3. [...]