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Wp7 gapmeetup


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Presentation from PhoneGap meetup in the Nitobi/Adobe office on Nov. 28, 2011

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Wp7 gapmeetup

  1. 1. Adventures in Mobile development. Mango editionMonday, 5 December, 11
  2. 2. PhoneGap is a hack iOS - the Early Days Nitobi created iPhone Gap stringByEvaluatingJavascriptString() JS->Native used window.location changesMonday, 5 December, 11
  3. 3. Android Android SDK introduced the webview.bind method Native code called javascript with ‘javascript:’ URLs ( with issues )Monday, 5 December, 11
  4. 4. Android + Callback Override prompt in javascript callback server with Polling It worksMonday, 5 December, 11
  5. 5. BlackBerry Originally it didn’t seem possible Until Dave discovered that JS cookies were observable from Native code.Monday, 5 December, 11
  6. 6. BlackBerry WebWorks WebWorks embraces Javascript code, it becomes a first class citizen on the device.Monday, 5 December, 11
  7. 7. WebOS WebOS the whole app is Javascript, so another simple shim WebOS did a lot right; just bad timing/luckMonday, 5 December, 11
  8. 8. Windows Phone 7 So how does WP7 do it? ScriptNotify Calling to Native javascript can call window.external.Notify(string) C# code listens for the ScriptNotify eventMonday, 5 December, 11
  9. 9. WP7 Native->JS C# can call JS this.webBrowser.InvokeScript(scriptName,string []args);Monday, 5 December, 11
  10. 10. Why Not Sooner? Mango brings IE9 finally a compliant browser addEventListener ( no more conditional event model ) JSON built in Array.forEach, Object.defineProperty querySelectorAll, Canvas, SVG, ...Monday, 5 December, 11
  11. 11. Stumbling Points IsolatedStorage WebStorage ( supported? ) XMLHttpRequestMonday, 5 December, 11
  12. 12. Non-Optimal fixes Panning + Zooming The Grey Box TouchEvents The AppStore’s Static AnalyzerMonday, 5 December, 11
  13. 13. Missing in Action WebSQL WebGL WebWorkers position:fixed Overflow:scrollMonday, 5 December, 11
  14. 14. Persons Of Interest @Purplcabbage My Blog: Abu Obeida Bakhach (Microsoft Interop Team) Sergei Grebnov (Microsoft Sponsored) @ColinEberhardt (First AppStore WP7 PhoneGap app!)Monday, 5 December, 11
  15. 15. There be Monsters PhoneGap is still a hack! SDK designers are not yet considering this use-case. We are still outlaws, operating outside their imagination, successfully! It is still a new frontierMonday, 5 December, 11
  16. 16. Demo Time Images from:, 5 December, 11