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Thread: Android optimization

  1. #1
    Ext JS Premium Member
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    Thumbs up Answered: Android optimization

    Hi, I just read your last blog post about Touch 2 DP. I think that you guys made a very good work!
    This sentence is very interesting: "Touch 2 gives Android its own optimized mechanism for achieving both smooth scrolling and fast, fluid animations".
    I'm building some simple web applications for Android, but I can't find clear documentation on how to achieve high performances using javascript on Android browsers. On iPhone my apps are fast enough, but I want them to be fast and smooth on Android too.
    Could you give me some hints?
    1. Where did you find information about its strenghts and weakness? Any book/website to suggest?
    2. What are its bottlenecks or limits?
    3. Could you share some new tricks and optimizations that you are using in Touch 2?
    Thank you very much

  2. Do come and see my SenchaCon session if you could

  3. #2
    Sencha User Jamie Avins's Avatar
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    Jacky did countless hours of testing to find out what is possible on Android. I'm sure he'll have much to say about it at our conference.

    For one you don't want to use any CSS transforms on Android as they cause terrible flickering on device as the browser is switched into hardware acceleration mode. The other tip is ScrollTop/ScrollLeft is your friend!

  4. #3
    Sencha User Jacky Nguyen's Avatar
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    Do come and see my SenchaCon session if you could
    Sencha Touch Lead Architect

  5. #4
    Sencha User
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    Jacky Nguyen, could you post some examples of optimizing? I have the same problems using ST 2.

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