Storing and fetching data

[PeepingJane]

Hi, I am new here.

I was just instructed to "learn blackberry" at work. I am a PHP programmer mostly, but that obviously comes with an assortment of other languages commonly used in pair with PHP. I never worked specifically with Java, but I have worked with AS3 and other languages of similar form.

I am looking for any libraries that may already exist, as well as any useful tutorials that do more than just Hello World.

I can't really find any good stats on which phone models are popular. I would like to develop for one universal screen, so ideally I would know the minimum screen resolution common to this year and not a long list of all screen dimensions since blackberry began.

I gather the Storm and Curve are a good standard for screen planning. I don't know if I am supposed to create separate apps for each model to address touch screens. I don't know if the screen rotating is automatically handled or if that requires code that may conflict on devices that do not rotate.

I do not know how to store data in a local database. I tried setting up SQLite but eclipse warned me that this was not supported for JDE 4.7.0 and I needed to get 5.0 to use SQLite. Is this just a development kit difference or is it saying the blackberrys themselves will not support SQLite? Since all our other mobile platforms use SQLite, it seems logical to pursue this for blackberry, unless it is a very recent thing. As in, only phones since December 2009 support this.

I guess I'm just looking for a good starting point, a good standard for which device to base my app around, and some suggestions on storing data fetched from a web server (images included).

Thanks