*Solution* – BlackBerry JDE does not generate the alx file

Yep, this happened to me as well. When I clicked on Project->Generate ALX file; nothing happens. No notification, nothing.
But the truth is, the ALX file is just a simple XML file. So, you can actually create it yourself.

Just copy and paste the text below into a file named <appName>.alx; modify the necessary sections,(the most important is the <files> tag) and just use the Desktop Manager to install it.

<loader version="1.0">
    <application id="DemoApp">
        <name >
        <description >
        <version >
        <vendor >
        <copyright >
            Copyright (c) 2009 MyCompany
        <fileset Java="1.35">
            <directory >
            <files >







  1. Scott said,

    April 11, 2009 at 4:31 am

    All you need to do is select the project name in the workspace pane right click it then select “Generate ALX File”

  2. Ozan said,

    April 12, 2009 at 3:48 pm

    I haven’t tried that option; but shouldn’t the “Project->Generate ALX file” option do the exact same thing? And if there is an error, it should report that. I am not currently developing for BlackBerry and don’t have the JDE installed to try what you are suggesting, but I saw this problem on the BlackBerry forums too, so I am not the only one having this problem apparently.

  3. Dominic said,

    September 1, 2009 at 6:43 pm

    Thanks Scott! That worked for me.

  4. mohammed gouse said,

    February 17, 2010 at 3:37 pm

    what is the use of alx file ? please send me urgent ?

  5. Ozan Safi said,

    February 17, 2010 at 3:43 pm

    It is “an XML-based BlackBerry application descriptor” and it contains some metadata about the application, the path of the .cod file, company name, application name, etc.

    Source: http://developers.sun.com/mobility/midp/articles/blackberrydev/

    • mohammed gouse said,

      February 17, 2010 at 3:50 pm


      thanks for helping. Actually i got job as a fresher in J2ME environment. now iam in training in Blackbery Software Development Project. please help me to understand the basic concept of j2ME and Blackberry Software Development Project.

      God blesses U and to Your family.

      Thanks & Regards:
      Mohammed Gouse MCA
      +91 9901237022
      Bangalore, INDIA.

      • mohammed gouse said,

        February 17, 2010 at 3:52 pm

        in future i may ask some questions regarding blackberry development. please help me….! ok that’s fine.

  6. Ozan Safi said,

    February 17, 2010 at 3:59 pm

    🙂 well, I actually haven’t been developing for BlackBerry for some time now, but sure, if I can help, then I will.

    • mohammed gouse said,

      February 17, 2010 at 4:07 pm

      thanks SIR,

      how to generate alx file using eclipse galileo IDE ???????

      • Ozan Safi said,

        February 17, 2010 at 4:19 pm

        The same. You right click on the project and click on “Generate ALX file” (assuming you’ve installed the plugin)
        I haven’t done BlackBerry development on Eclipse though. Can’t help much.

  7. mohammed gouse said,

    February 20, 2010 at 8:54 am

    Thanks for helping so far……Sir Ozan Safi.

    Please can U send me Source code for Login page using blackberry java application. please send me as soon as possible. please…..!

    Thanks & Regards:
    A Mohammed Gouse MCA

  8. Ozan Safi said,

    February 23, 2010 at 12:18 pm

    I don’t have a ready-made application for that, I have only developed for BlackBerry for a week, and that was a year ago. At any rate, you should be able to do one yourself, it shouldn’t be hard.

    • mohammed gouse said,

      February 23, 2010 at 5:41 pm

      Yes i have done the login page coding successfully

      In future if i get any problem then i’ll contact U. ok


  9. mohammed gouse said,

    March 18, 2010 at 5:02 pm

    Yes i solved all problems…….!

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