First BlackBerry App

In this tutorial I will show you the following:
• How to setup and configure new BlackBerry project,
• How to create classes,
• Some details about UiApplication and MainScreen,
• How to write a Hello World application and
• How to run your application in simulator.
Please note that you can always find more information about the APIs we are using in BlackBerry
API reference document, which is the part of any JDE Component Pack (Figure 2). You can find it on
your computer under Start / Programs / Research in Motion / BlackBerry JDE 4.x.

To setup your new BlackBerry project:
1. Click on File/New/Project menu.
2. Select BlackBerry project.
3. Click Next.
4. Chose Project name and location
5. Enter the project name, i.e. “Hello World“.
6. Select your location or use a default one to store your project.
7. Click Finish.

Writing Your First Application

This tutorial will show you how to write a basic application for BlackBerry devices. The
application will display the simple “Hello World” message on the screen.
To be able to do so it is required to have the following installed on your system:
• Sun JDK
• Eclipse SDK,
• BlackBerry JDE Plug-in for Eclipse and
• BlackBerry JDE Component Packs 4.3 – 4.7
If you need help setting up please look at A1 – Setting up Tools tutorial.
If you are ready, launch the Eclipse, and go to your Workbench (Figure 1).