Java and PDAs or .Net compact?

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  • David Moss
    #1

    Java and PDAs or .Net compact?

    I was given a Compaq pocket PC with windows mobile 2002.

    I immediately began looking into how to program it and Java seemed
    initially to be a good choice.

    To my surprise I found it wasn't as straightforward as Java for the
    desktop. Even finding a JRE for the PDA is a nightmare.

    The PC came with Jeode, a version of PersonalJava.
    PersonalJava is no longer supported by SUN.

    We all take the free desktop JRE for J2SE and even J2EE for granted, we
    know what we develop for these environments it will run anywhere.

    It seems there are many proprietary versions of Java for PDAs out there,
    all different from each other. Write once run anywhere is out the
    window.

    I have also been spoiled by having an IDE such as Netbeans which makes
    Java development on the desktop much easier. Being forced to use
    proprietary JREs means standard IDEs such as Netbeans are useless.

    The situation is so bad that I fired up a copy of Microsoft Visual
    Studio 2003 to see what it could offer. To my surprise I found it
    offered everything Java doesn't: a standard runtime, .Net compact is
    bundled, and their standard IDE is set up to handle a mobile project
    right out of the box.

    How is it that Java has got it so badly wrong on the mobile platform?
    How is it that Microsoft can beat them at their own game, write once run
    anywhere on these devices when Java once pioneered mobile computing?

    Or have I missed something obvious that other Java developers take for
    granted?

    If anyone knows of a free JRE that will run on pocket pc 2002 and modern
    variants, with ports to other popular PDA operating systems and can be
    used inside Netbeans or similar, can you please post the details.

    Right now I'm starting down the line of using Visual Studio and .Net
    compact. It delivers everything the Java philosophy is supposed to be
    about. What can Java do to match?

    --
    DM
    personal opinion only
    Tags: None
    • jub
      #2
      Re: Java and PDAs or .Net compact?

      Hello i read your post and this is my own personal opinion

      J2ME is still developing and there is not a KVM for every mobile device on
      earth, The KVM i have on my palm phone runs only midp 1.0 applications, you
      are talking about a Compaq PC running on windows mobile 2002. Of course now
      Visual .NET would be the best IDE to program this device . With Visual .NET
      you would get to use native coding something not available with J2ME( as
      J2ME was designed as a layer over mobile Devices operating system). I do
      feel J2ME has more advantage for a Developer as your code can be installed
      on a wide range of devices whether running BREW, SYMBIAN or mobile 2002
      "David Moss" <q0320811@mail. connect.usq.edu .au> wrote in message
      news:MPG.1dcd5c 23a73f5b1a98995 d@news.bigpond. com...[color=blue]
      >I was given a Compaq pocket PC with windows mobile 2002.
      >
      > I immediately began looking into how to program it and Java seemed
      > initially to be a good choice.
      >
      > To my surprise I found it wasn't as straightforward as Java for the
      > desktop. Even finding a JRE for the PDA is a nightmare.
      >
      > The PC came with Jeode, a version of PersonalJava.
      > PersonalJava is no longer supported by SUN.
      >
      > We all take the free desktop JRE for J2SE and even J2EE for granted, we
      > know what we develop for these environments it will run anywhere.
      >
      > It seems there are many proprietary versions of Java for PDAs out there,
      > all different from each other. Write once run anywhere is out the
      > window.
      >
      > I have also been spoiled by having an IDE such as Netbeans which makes
      > Java development on the desktop much easier. Being forced to use
      > proprietary JREs means standard IDEs such as Netbeans are useless.
      >
      > The situation is so bad that I fired up a copy of Microsoft Visual
      > Studio 2003 to see what it could offer. To my surprise I found it
      > offered everything Java doesn't: a standard runtime, .Net compact is
      > bundled, and their standard IDE is set up to handle a mobile project
      > right out of the box.
      >
      > How is it that Java has got it so badly wrong on the mobile platform?
      > How is it that Microsoft can beat them at their own game, write once run
      > anywhere on these devices when Java once pioneered mobile computing?
      >
      > Or have I missed something obvious that other Java developers take for
      > granted?
      >
      > If anyone knows of a free JRE that will run on pocket pc 2002 and modern
      > variants, with ports to other popular PDA operating systems and can be
      > used inside Netbeans or similar, can you please post the details.
      >
      > Right now I'm starting down the line of using Visual Studio and .Net
      > compact. It delivers everything the Java philosophy is supposed to be
      > about. What can Java do to match?
      >
      > --
      > DM
      > personal opinion only[/color]


        Comment

        • Oliver Wong
          #3
          Re: Java and PDAs or .Net compact?


          "David Moss" <q0320811@mail. connect.usq.edu .au> wrote in message
          news:MPG.1dcd5c 23a73f5b1a98995 d@news.bigpond. com...[color=blue]
          >I was given a Compaq pocket PC with windows mobile 2002.
          >
          > I immediately began looking into how to program it and Java seemed
          > initially to be a good choice.
          >
          > To my surprise I found it wasn't as straightforward as Java for the
          > desktop. Even finding a JRE for the PDA is a nightmare.
          >
          > The PC came with Jeode, a version of PersonalJava.
          > PersonalJava is no longer supported by SUN.
          >
          > We all take the free desktop JRE for J2SE and even J2EE for granted, we
          > know what we develop for these environments it will run anywhere.
          >
          > It seems there are many proprietary versions of Java for PDAs out there,
          > all different from each other. Write once run anywhere is out the
          > window.
          >
          > I have also been spoiled by having an IDE such as Netbeans which makes
          > Java development on the desktop much easier. Being forced to use
          > proprietary JREs means standard IDEs such as Netbeans are useless.
          >
          > The situation is so bad that I fired up a copy of Microsoft Visual
          > Studio 2003 to see what it could offer. To my surprise I found it
          > offered everything Java doesn't: a standard runtime, .Net compact is
          > bundled, and their standard IDE is set up to handle a mobile project
          > right out of the box.
          >
          > How is it that Java has got it so badly wrong on the mobile platform?
          > How is it that Microsoft can beat them at their own game, write once run
          > anywhere on these devices when Java once pioneered mobile computing?[/color]

          Windows Mobile is a niche Microsoft product, so it isn't surprising that
          Sun doesn't have a suite of products for it while Microsoft does. This is
          like being surprised that Sun does offer a JVM for the XBox.
          [color=blue]
          > Or have I missed something obvious that other Java developers take for
          > granted?
          >
          > If anyone knows of a free JRE that will run on pocket pc 2002 and modern
          > variants, with ports to other popular PDA operating systems and can be
          > used inside Netbeans or similar, can you please post the details.
          >
          > Right now I'm starting down the line of using Visual Studio and .Net
          > compact. It delivers everything the Java philosophy is supposed to be
          > about. What can Java do to match?[/color]

          Java runs perfectly on Linux and Mac. .NET sort of runs on Linux using
          the Mono project, and AFAIK, doesn't run at all on Mac.

          - Oliver


            Comment

            • Brian Knoblauch
              #4
              Re: Java and PDAs or .Net compact?

              David Moss wrote:
              [color=blue]
              > I was given a Compaq pocket PC with windows mobile 2002.[/color]

              I've run into the same problem. It's easier to write Java apps for
              cellphones than for Pocket PC. Not good since Pocket PC is where the
              corporate world is going (and I need to support).

                Comment

                • David Moss
                  #5
                  Re: Java and PDAs or .Net compact?

                  In article <FUt9f.67241$S4 .42328@edtnps84 >, owong@castortec h.com
                  writes...
                  [color=blue]
                  >
                  > Windows Mobile is a niche Microsoft product, so it isn't surprising that
                  > Sun doesn't have a suite of products for it while Microsoft does. This is
                  > like being surprised that Sun does offer a JVM for the XBox.[/color]

                  Looking at the number of HP Ipaqs that come out at Systems Technician
                  conferences, its a pretty big niche.

                  SUN took Microsoft for court because it deviated from the Java
                  philosophy, yet every PDA seems to have a different and mutually
                  incompatible JRE.

                  I reckon a new acronym needs to be coined to describe this situation:
                  JLE, the "Java Like Environment".

                  --
                  DM
                  personal opinion only

                    Comment

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