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  1. #1
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    Nov 2008
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    675

    Qt across platforms

    Hi Experts,
    I am very new to Qt and am trying to understand the capabilities of the platform and if it suits my requirement.
    - My application requires decent and attractive UI but not anything highly creative.
    - Access to Camera-Power On,Power Off,Viewfinder,Image capture,Video Capture
    - Image display,video playing,video streaming
    - Opening external web pages inside application

    I want to develop this application to work across the following platforms

    1. Nokia S60
    2. Samsung
    3. Motorola
    4. Blackberry
    5. Android
    6. iPhones

    I have no requirement whatsoever for this application to work on desktop.In J2ME i understand that i will have to port it for each platform(except for iPhone which in my understanding does not support Java for now)

    Will/how Qt can make my life easier developing such an application on that platform?
    Once developed can it work on the above platforms with zero porting?
    In the above scenario what are the possible advantages of Qt platform over J2ME?

    Kindly requesting valuable feedback..

    Regards,
    Biju Chandran

  2. #2
    Super Contributor
    Join Date
    Oct 2009
    Posts
    4,326

    Re: Qt across platforms

    Quote Originally Posted by chandran.biju007 View Post
    Hi Experts,
    I am very new to Qt and am trying to understand the capabilities of the platform and if it suits my requirement.
    - My application requires decent and attractive UI but not anything highly creative.
    - Access to Camera-Power On,Power Off,Viewfinder,Image capture,Video Capture
    - Image display,video playing,video streaming
    - Opening external web pages inside application
    Qt Mobility and Qt allows all these features.

    Quote Originally Posted by chandran.biju007 View Post
    I want to develop this application to work across the following platforms

    1. Nokia S60
    2. Samsung
    3. Motorola
    4. Blackberry
    5. Android
    6. iPhones
    Qt is on S60, not on Blackberry, Android and iPhone.
    Samsung uses multiple platforms including Bada and S60.
    Motorola was using Qtopia for their phones in the past.

    Quote Originally Posted by chandran.biju007 View Post
    Will/how Qt can make my life easier developing such an application on that platform?
    Once developed can it work on the above platforms with zero porting?
    In the above scenario what are the possible advantages of Qt platform over J2ME?
    You should clearly understand that there is no cross platform framework which 100% guarantee no need for tuning to the particular platform. For example, bugs on different platforms are different.

  3. #3
    Super Contributor
    Join Date
    Nov 2008
    Posts
    675

    Re: Qt across platforms

    Thanks Divanov.

    So if I am understanding correctly then the application developed on S60 Qt can be ported on Samsung with S60 and Motorola with Qtopia.
    As far as platforms like Android and Blackberry is concerned i will have to do a redevelopment in J2ME.
    Please correct me if i am wrong.So currently Qt Beta does not have the reach of Java as devices with Qt support are less compared to Java.
    But on a device which supports both performance wise Qt will fair better?
    Also can i use Qt Jambi on Java enabled devices?

    Many Thanks
    Biju

  4. #4
    Super Contributor
    Join Date
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    Re: Qt across platforms

    Quote Originally Posted by chandran.biju007 View Post
    So if I am understanding correctly then the application developed on S60 Qt can be ported on Samsung with S60 and Motorola with Qtopia.
    With Samsung you would probably need to install Qt along with your application. As for Motorola, you can run Qt applications on Motorola Qt-based phones. However, Motorola is not using Qt any more in new phones.
    Quote Originally Posted by chandran.biju007 View Post
    Please correct me if i am wrong.So currently Qt Beta does not have the reach of Java as devices with Qt support are less compared to Java.
    I don't know what is Qt Beta and I don't have statistics how many phones support Qt and how many support J2ME in terms of phone counts.

    Quote Originally Posted by chandran.biju007 View Post
    But on a device which supports both performance wise Qt will fair better?
    Qt has more rich features and better performance.

    Quote Originally Posted by chandran.biju007 View Post
    Also can i use Qt Jambi on Java enabled devices?
    You can use Qt Jambi only during development, Qt Jambi is legacy stuff and there are no Java enabled devices.

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