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  1. #1
    Registered User
    Join Date
    Jun 2009
    Posts
    6

    Can Java ME application runs on all devices which has Java?

    Hi All,

    We are trying to know that, can we install application developed on Java Me in all the mobiles?

    Say I developed a HelloWorld application in Java Me(MIDLet) with MIDP and CLDC and able to test with Nokia SDK emulator. We are able to install on Nokia phones. It is working great.

    Can we install same .jar file in other phones?

    Thanks,
    Ramu

  2. #2
    Super Contributor
    Join Date
    Apr 2009
    Posts
    572

    Re: Can Java ME application runs on all devices which has Java?

    depends upon the JSR's that application used and whether the device support those JSR's
    Regards,
    Saurabh

  3. #3
    Nokia Developer Champion
    Join Date
    Feb 2009
    Location
    Noida, India
    Posts
    3,087

    Re: Can Java ME application runs on all devices which has Java?

    yes, you can install this (hello world) app or other mobile devices that support Java it should work.

    But as the application starts to grow more powerfull and starts depending on device specific API's or adavace JSR's that might not be present on some other devices it would require some porting effort after which It can be installed and run on all different devices.


    thanks,
    ~Amitabh
    Follow me on my blog for Innovative Mobile Apps

  4. #4
    Registered User
    Join Date
    Sep 2007
    Location
    Bangalore
    Posts
    868

    Re: Can Java ME application runs on all devices which has Java?

    Hi All,
    For your information there are some java apps/games which are specifically designed for Symbian devises. It will run on only on Symbian OS.

  5. #5
    Super Contributor
    Join Date
    Jun 2003
    Location
    Cheshire, UK
    Posts
    7,395

    Re: Can Java ME application runs on all devices which has Java?

    Short answer, yes with an if, long answer, no with a but...

    Yes, it is possible.

    However, Java devices differ in a huge variety of ways. As previous writers suggest, the more complex your application gets, the less likely it is to work on different devices.

    There is an entire industry based around "porting" Java applications from one device to another. Most of the big game publishers (EA Mobile, Gameloft, etc.) will spend more money on porting their Java games than they will on developing them in the first place.

    Check the Java Porting article in the wiki for more information on this subject.

    Graham.

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