How does double Buffering works in J2ME ?
Double buffering is a well-known technique for reducing flicker in drawing and animations. Imagine you are implementing an…
How to make mobile application portable for multiple devices in Blackberry
There are various UI techniques the developers need to follow and various concerns need to concentrate on. The…
Custom LabelField in Blackberry
Here is a sample code which shows how to customize the LabelField in blackberry. This sample code is generic can be portable to any project. It accepts the String label, long style and also padding.
KeyListener in Blackberry
In my previous post i have explained how to handle events that occur on BlackBerry fields but it…
FocusChangeListener in blackberry
The FocusChangeListener specifies what actions should occur when a field gains, loses, or changes focus.
Code optimization tips for java
This section I wrote by referring Sun’s code optimization steps and added some more additions for a J2M game developer. Java 2 Micro Edition (J2ME) is astripped-down version of Java, suitable for small devices with limited capabilities, such as cell phones and PDAs.
Tips for J2ME Game devlopers
Here are the general tips/goals that are necessary to be understood while developing J2ME Games. Must support a…
How to craete HttpConnection and handle response in Blackberry
Most of the business application are web server based, meaning mostly they are targeted for optimizing the web…
Printing logs in Blackberry
As we all know blackberry development is little hectic. We don’t have very strong IDE which will fulfill…
Customizing Blackberry LabelField
We always prefer to use the standard built-in Label Field class to create user-selectable label styles for our…
Saving Bitmap Image in Blackberry File System
Saving image in blackberry inside filesystem is typically the same process like Java ME. JSR 75 is used…
Playing audio from mobile file system in J2ME
Here is the code sample for reading a audio file from mobile file system and plays. Here i…
Introduction to Game Artificial Intelligence
Most of the games incorporate some form of artificial intelligence (AI). For instance, developers have used AI for…
Importing kxml jar File to Blackberry Project ?
This is my first technical write-up towards BlackBerry. I’ve been working on BlackBerry application development for the last…
How to execute J2ME Application from a batch File ?
Simple Steps: Generate the .jar and .jad file.. Locate the emulator location. Then , open a notepad and…
LWUIT source code Download
To download LWUIT_1_3 you need to have a SVN client. If you’re using Windows, you can download for…
How to scale Image in J2ME
Below code snippet is use to scale image in J2ME. It takes the new width and height and…
How to Send MMS from J2ME
Wireless Messaging API (JSR-120 or WMA) for Java, allows access to wireless communication resources on J2ME devices. MMS…
Localization in LWUIT
Localization is built in – You can install a “resource bundle” (Hashtable in LWUIT, ME has no resource…
Capturing RGB Color of pixel
Make a mutable image, as you do in case of screen capture and then allow the user to…