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Porting business apps to Windows Phone

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This is my personal experience in porting a business application from Android to Windows Phone 8.

This is my personal experience in porting a business application from Android to Windows Phone 8.

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  • 1. Porting business apps to Windows Phone Michele Capra aka @piccoloaiutante
  • 2. What is this talk about ? ‣ My personal experience on porting a business App from Android to Windows Phone 8. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 3. Agenda ‣ The App ‣ Development tools ‣ Mockup ‣ Code and development (UI, component, languages) ‣ Integration with OS ‣ App lifecycle ‣ App publish and store Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 4. The MDC client Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 5. The MDC client The case study: ‣ Mobile Data Collection (M.E.A.P.) ‣ create mobile application from a Web interface using a series of widgets ‣ deliver Apps to Android Tablet and Phone, iPad, iPhone, Blackberry, Windows Phone 8, Windows 8 RT/Pro ‣ developed by Gulliver, an italian company. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 6. Mdc architecture App2 App1 App n Mdc Client App1 App2 Appn Data sync Activated client Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 7. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 8. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 9. Available control in MDC ‣ Close acquisition (checkbox, radio) ‣ Free acquisition (textbox, maps, nfc, barcode/qrcode) ‣ Free Grid acquisition ‣ Lookup acquisition ‣ Touch screen acquisition (signature, draw) ‣ Media (picture, video) ‣ Messages (show text) ‣ Control flow (if, loop) Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 10. Android client example Applications Add new customerSalesman visit app Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 11. Android client example Proposed product Visit outcome Notes Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 12. Windows phone client example Applications Add new customerSalesman visit app Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 13. Windows phone client example Proposed product Visit outcome Notes Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 14. MDC client ‣ Native clients (no Phone Gap) ‣ Proprietary protocol ‣ Occasionally connected ‣ Several different widget (picture, signature, position, textbox..) Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 15. First big question Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 16. Which Windows Phone version to support ? Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 17. First big question To support Windows Phone 7 or not? We chose not to support it: ‣ Clear Microsoft intent to dismiss Windows Phone 7 ‣ Some of the components we needed were only for Windows Phone 8. Android support from 2.3 Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 18. Development tools Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 19. Visual Studio 2012 Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 20. Android IDE ‣ AndroidStudio ‣ Intellij Idea ‣ Eclipse Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 21. IDE Both support: ‣ Code completion ‣ Emulator
 ‣ Debugging ‣ Visual designer Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 22. IDE Jet Brains solution could help you: ‣ Intellij Idea keyboard scheme and shortcut are available for Visual Studio through ReSharper plugin ‣ Code navigation, refactoring shortcuts… Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 23. Mockup Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 24. Mockup ‣ UI + Controls + Navigation - Logic ‣ Didn’t look at Android app code ‣ Just investigate ‣ Trying to figure out how to translate App flow from Android to Modern UI Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 25. Mockup ‣ Windows phone app ‣ Navigation between pages ‣ No SketchFlow Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 26. Mockup Android Windows Phone Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 27. Mockup Android Windows Phone Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 28. Mockup Android Windows Phone Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 29. Mockup Android Windows Phone Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 30. Mockup Android Windows Phone Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 31. Mockup Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 32. Component Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 33. Component App capabilities: ‣ Take picture ‣ Read BarCode/QR Code ‣ Read NFC ‣ Get GPS coordinate ‣ Take signature ‣ Use web view ‣ Store data in a database ‣ Multi-language support Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 34. Component ‣ Take picture (Intent → Request CameraTask) ‣ Read BarCode/QR Code (ZXing → ZXing.net) ‣ Read NFC (Intent → Microsoft library to do the job) ‣ Get gps coordinate ( LocationManager → GeoLocator) Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 35. Component ‣ Take signature (Canvas & Path → InkPresenter) ‣ Use web view (WebView → WebBrowser) ‣ Store data in a database (SQLite → SQLite) ‣ Multilanguage support (Xml file → Multilingual App toolkit) Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 36. Component - Database ‣ We had to make a choice between: ‣ LocalDb ‣ SQLite ‣ SQLite won because of the experience with other platform Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 37. So let’s start developing Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 38. Code Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 39. Java vs C# Academic answer for similarities: ‣ Statically strong typed ‣ Class-based, Object-oriented ‣ Semi-interpreted ‣ Garbage collection Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 40. Java vs C# ‣ convert basic type ‣ change data structure: ‣ Vector<T> → List<T> ‣ HashTable<Integer,Integer> → Dictionary<int,int> ‣ change method name i.e: string.startWith() → string.StartsWith() ‣ StringTokenizer → String.split(string) Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 41. Java vs C# Different pattern: ‣ Android: Model-View-Presenter pattern but View and Presenter highly coupled. ‣ Windows Phone: Model-View-ViewModel pattern, Binding mechanism. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 42. Framework Caliburn as framework: ‣ Screen-conductor mechanism ‣ Screen: a stateful unit of work existing within the presentation tier of an application. It’s independent from the application shell. ‣ Conductor: Conductors manage the life cycle state of one or more screens. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 43. Framework Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store Conductor (ViewModel, Page) Screen (ViewModel,UserControl)
  • 44. Framework Caliburn as framework: ‣ EventAggregator: messaging between classes ‣ PhoneBootstrapper: custom bootstrapper designed to setup phone applications. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 45. UI Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 46. XML vs XAML Similarity: ‣ LinearLayout → StackPanel ‣ TextView, TextEdit → TextBlock,TextBox ‣ ScrollView → ScrollViewer ‣ Radio Group, RadioButton → RadioButton Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 47. Values vs Xaml style Android Values: <color name=“white”>#FFFFFFFF</color> ! Windows Phone Xaml control style: <Color x:Key="white">#FFFFFFFF</Color> Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 48. Integration with OS Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 49. Integration with OS ‣ Make a phone call ‣ Send an email ‣ Open Map
 ‣ Navigate to a place ‣ Open link in browser ‣ Open pdf/office file Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 50. Integration with OS In Android you do this by intent and activity. ! Intent callIntent = new Intent(Intent.ACTION_CALL); callIntent.setData(Uri.parse("tel:0377778888")); startActivity(callIntent); Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 51. Integration with OS In Windows Phone you use Tasks. ! PhoneCallTask phoneCallTask = new PhoneCallTask(); phoneCallTask.PhoneNumber = "2065550123"; phoneCallTask.Show(); Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 52. Integration with OS Sending email in Android. ! Intent emailIntent = new Intent(android.content.Intent.ACTION_SEND); emailIntent.putExtra(android.content.Intent.EXTRA_EMAIL, new String[]{to}); startActivity(emailIntent); Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 53. Integration with OS Sending email in Windows Phone. ! EmailComposeTask emailComposeTask = new EmailComposeTask(); emailComposeTask.To = “michele@orangecode.it”; emailComposeTask.Show(); Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 54. App lifecycle Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 55. Android activity lifecycle Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 56. Windows Phone lifecycle Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 57. Be careful From Microsoft docs: “It is possible, however, for an app to be tombstoned after the user navigates away. In this case, the app is not preserved in memory, but some information about the app is stored – most importantly for this topic, the State dictionary of the PhoneApplicationPage object is stored” Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 58. Be careful ‣ Serialised and deserialise the app state that is not a part of the page ‣ Rebind all the dependencies ‣ Update UI value (i.e: something typed from user before tombstoning) Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 59. Be careful Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 60. Store Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 61. App package ‣ Xap file which includes everything needed from the app. ‣ It’s almost like an apk file. ‣ You cannot install xap out of store. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 62. Google Play store ‣ Generate key pair and certificate and keystone
 ‣ Sign your app and verify signed app
 ‣ Upload and publish to Play store Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 63. Windows Phone store Validation ‣ Package verification ! Certification ‣ Sign and encryption ! Publish ‣ Ready to be published Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 64. Windows Store Test Kit The Windows Phone Windows Phone Store Test Kit (formerly named Marketplace Test Kit) provides a suite of automated and manual tests to help prepare your apps to be accepted in the Windows Phone Store the first time you submit them. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 65. Testing for tombstoning ‣ Before upload your xap to store simulate tombstoning and test your app manually. ‣ Tombstoning could be forced manually by Visual Studio. Introduction The App Development tools Mockup Code Integration with OS App lifecycle App publish & store
  • 66. Recap ‣ The App ‣ Development tools ‣ Mockup ‣ Code and development (UI, Component, languages) ‣ Integration with OS ‣ App Lifecycle ‣ App publish and store
  • 67. My personal experience ‣ Java is not far from C# ‣ Build a mockup in order to explore new platform ‣ Keep an eye on app lifecycle
  • 68. My personal experience ‣ No object mapping SQLite-net is too slow ‣ I doubt that i would reuse a framework ‣ I would rather use a toolkit
  • 69. My personal experience ‣ MVP gave to Android app the possibility to have full access and control of the UI ‣ MVVM gave to Windows Phone 8 a partial access to the UI ‣ ViewFirst approach was a part of the problem
  • 70. grazie! @piccoloaiutante