blackberry

Making mixed numeric and alpha entry easier for mobile browers

I'm refurbishing a simple web-app that our field techs use. One of my goals is to make it Blackberry-friendly, as all of the techs are now using those. This app accepts basic information about a job and stores it. Among that info are times, telephone numbers, and a street address. I have the time fields and telephone fields figured out...

UDP send problem on BlackBerry

I am writing network application for Blackberry .This code is correct at simulator but not working at device. When i run my application on simulator, my server recieves the msg but when i run it on handheld, i get Exception (not IOException) that "null". try { byte[] b = msg.getBytes(); dc = (UDPDatagramConnection)Connector.open("dat...

BlackBerry memory usage

Hi, I am looking for some advice on memory usage on mobile devices, BlackBerry in particular. Using some profiling tools we have calculated a working set size in RAM of 525kb. Problem is we don't really know whether this is acceptable or too high. Can anyone give any insight into their own experience with memory usage on BlackBerry? Wh...

Writing Blackberry Applications

Does anybody have any information on writing Blackberry applications? I want to improve my skills... I am on OS X Leopard (but I have VMWare too) Thanks! ...

Is there a chart of existing Blackberry platform vs. OS vs. Model versions?

Is there a chart of existing Blackberry platform vs. OS vs. Model versions? Something like: Blackberry Storm, platforms: x.x.x - y.y.y, OS versions: x.x.x-y.y.y Blackberry Bold, platforms: x.x.x - y.y.y, OS versions: x.x.x-y.y.y Blackberry Curve, platforms: x.x.x - y.y.y, OS versions: x.x.x-y.y.y e.t.c ...

Does blackberry API allow blackberry to connect to desktop via TCP/IP?

Wondering how to connect blackberry to desktop or the other around via tcp/ip? I assume both the desktop and the blackberry are connecting to the same router. ...

What are J2ME compatible WebDAV libraries?

I need a WebDAV library that will work on a BlackBerry, hence J2ME. Having a BSD like license (or other license that would allow use in proprietary applications) would be ideal, but if one can't be had for free, a proprietary pay-for one is fine too. ...

BlackBerry - ListFieldCallback deprecated

I am using 4.3.0 of the Blackberry JDE. I have created a ListField object and populated it by overriding ListFieldCallback. It works but I am getting a compile warning that ListFieldCallback is deprecated. What should I be using instead? ...

How do i keep a caught exception from reporting as uncaught in a blackberry app?

Edit: this applies to simulators only, but i would still like to know if there is a resolution. I have some code in a blackberry application that catches an exception at some point, does some handling in the catch block then rethrows the exception, which is caught higher up on the call stack. However even though i do catch it later on,...

Closing Resources When BlackBerry Application Quits

What's the best way to close resources in a BlackBerry application? I use the resources throughout the life of the application and would just like to register some listener to be called when the app is just about to quit. Is there a simple hook that's called before the app is closed? ...

BlackBerry: Localization, Resource Bundle

Hi, I need some help with BlackBerry Localization. I followed the lesson at http://na.blackberry.com/eng/developers/resources/developer_labs.jsp#tab_tab_jde entitled Localizing an application. I have created my Resource Header File (.rrh) and my Resource Content File (.rrc). I am confused as to where they get this "CityInfoBResource"?...

What is the best resource for BlackBerry CLDC programming?

I deployed many midlets on Blackberry, but now I want to try their CLDC model. Never deal with it. What is the best resource to read for a quick start (except the BB examples?) ...

What quirks are in the Blackberry Web Browser that a developer should be aware of?

Before I start pulling my hair out on any "known issues", is there any quirks or problems that I should be aware of. Specifically with cookies, JavaScript, HTML, CSS and images. PS I have a copy of the docs provided by RIM, but I'm hoping others know of some lesser known issues. ...

Blackberry launch native web browser

How can i open a url from BlackBerry? in j2me i'm use: this.platformRequest("http://www.google.com"); How can i do on BB? Thk!!! ...

What's the best way to get rid of nested ifs in code while checking for conditions?

I'm developing a BlackBerry app in Java and I have an Options class where all user settings are stored. The problem is I need to check some conditions in order to know how to react. As I keep adding more features, more GUI options are shown to the user, more settings are stored in the Options class and more conditions need to be checked ...

Blackberry Development Tips, Tricks & Gotchas

I'm looking to get into developing software for the Blackberry platform. I know they've got a great IDE plug-in for Eclipse and I've got their Storm simulator running on my laptop, it's fantastic. So, that being said, anyone have any tips, tricks or gotchas to watch out for when using the Blackberry SDK? Anything specific to various mo...

BlackBerry Debug Output

The BB Simulator outputs tons of information to Eclipse's console when running debug mode. Is there anyway to configure what information is displayed? ...

Implementing Future in CLDC 1.1

I really like the concept of FutureValues. http://c2.com/cgi/wiki?FutureValue And although I'm working in a CLDC 1.1 environment (Blackberry), I'm wondering if it is possible to implement it with the available wait-notify / Threading support in Java 1.3. Basically I want to create: ExecutorService - to start threads Each thread then c...

Default SSH/Telnet Terminal Size

I'm writing an SSH/Telnet client for the Blackberry (and for other hand-held devices). My question is more related to usability. Due to the screen size limitations for certain devices, and resolutions, how should I set the default rows/columns for the screen? Currently I am setting it to 80 columns. The number of rows is dependent on...

Blackberry UI Programming Resources

I am new with Blackberry programming and Java in general. I do have previous experience with C, C++, VB, and quite a few others. However, this is my first foray into the Java world. I have found lots of information on MIDP classes, but would rather use native RIM API whenever possible, especially for UI elements. Specifically, I am l...