extjs - Sencha Touch for mobile platforms -

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i have been hearing sencha touch html/css/jquery things. want start samples. have basic questions:

  1. which ide use ?
  2. how portable application 1 mobile platforms other ?
  3. can use device hardware sensors in our application ?

please guide me can start learning curve.

thanks in advance.

  1. doesn't matter since javascript isn't compiled: debugging in browser, not ide. it's worth, i've been using visual studio, lightweight notepad++ should work well.
  2. anything web-kit browser can run it. ios, android, blackberry 6.0+. not work on windows phone now.
  3. to use device sensors, need have emulate native access; there framework called phonegap wraps around web app this. sencha touch has built-in phonegap integration support.

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