4). 安装并更新BlackBerry Java Plugin 来兼容老的BlackBerry JRE

利用安装包安装的，默认是JRE7.0的，如果我们想开发基于老版本的如JRE5.0,那就需要我们安装老的JRE,方法和

把BlackBerry作为插件安装到已有的Eclipse中 非常类似.

http://www.cnblogs.com/Jessy/archive/2012/01/29/2331184.html

具体步骤如下,

一。 Downloading and installing the BlackBerry Java Plug-in and
the Eclipse IDE

1. Go to www.blackberry.com/developers/java.
   
   
2. Click the Development tools and downloads link.
   
   
3. Click the Download the BlackBerry Java Plug-in for Eclipse v1.3 (full
   
   installer) link. This installer includes both the BlackBerry Java
   Plug-in-in
   for Eclipse and Eclipse 3.6.
   
   
4. Click Download.
   
   
5. Click Save, and then save the file to a location on your
   
   computer.
   
   
6. Double-click the setup application file.
   
   
7. Click Run.
   
   
8. On the Introduction screen, click Next.
   
   
   
9. Review the license agreement, and then select  I accept the terms of
   
   the License Agreement.
   
   
10. Click Next.
    
    
11. Choose a location where you would like to install Eclipse.  You can use the
    
    default location that’s specified on the screen or you specify a different
    
    folder location.  Note: The folder must be empty.
    
    
12. Click Next.
    
    
13. On the Select Additional Tasks screen, select where you want the setup
    
    application to create shortcuts for the BlackBerry Java Plug-in.
    
    
14. Click Next.
    
    
15. Review the information on the Pre-installation Summary screen, and then
    
    click Install.
    
    
16. Click Done.

二。安装组件安装包（BlackBerry Component Pack）

1. From the Help menu, select Install New Software to open the
   
   Install window.
   
   
2. Click the Add button:
   
   
3. 
   
   
4. In the Add Site dialog, type the URL
   
   http://www.blackberry.com/go/eclipseUpdate/3.6/java into
   the
   location text box and specify BlackBerry Java Plug-in Update
   
   Site in the name text box.
   
   
5. Click the OK button, BlackBerry Update Site appears in the
   
   Available Software list.
6. 
   
   
7. Select the BlackBerry Java Plug-in item and at least one
   
   BlackBerry Component Pack item you want to work on.
   
   
8. Click the Next button.
   
   
9. Click the Next button after reviewing the items to be
   
   installed.
   
   
10. Check the I accept the terms of the license agreement radio
    
    button after reviewing licenses.
    
    
11. Click the Finish button to begin installation.
    
    
12. After successfully downloading the files, you’ll be prompted to restart the
    
    Eclipse Platform. Choose to restart the platform.

Software versions (new updates available as of Nov. 17, 2011)

To verify you’re using the latest version of the BlackBerry Java Plug-in for
Eclipse or BlackBerry Java SDK: