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e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
e-Business - Mobile development trends
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e-Business - Mobile development trends

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  • 1. DITF LDILietišķo datorsistēmu programmatūrasprofesora grupae-Business SolutionsBasic Trends of ModernSoftware Development
  • 2. Vladimir Kotov Basic Trends of Modern Software DevelopmentMobile Development Trends
  • 3. Vladimir Kotov Basic Trends of Modern Software Development 3Need an App ...
  • 4. Vladimir Kotov Basic Trends of Modern Software Development 4
  • 5. Popular Devices in Latvia
  • 6. Versions in Latvia
  • 7. Version StatisticsDecember 2012
  • 8. Version StatisticsDecember 2012
  • 9. Vladimir Kotov Basic Trends of Modern Software Development 13Smartphone OS Market ShareIDC, 2012 v. 2011
  • 10. Vladimir Kotov Basic Trends of Modern Software Development 14Cross-platform MobileDevelopmentApplication types● Native● Web● Hybrid● Cross-compile
  • 11. Vladimir Kotov Basic Trends of Modern Software Development 15Native AppsBuilt for a specific platform with the platform SDK, tools andlanguages, typically provided by the platform vendor
  • 12. Vladimir Kotov Basic Trends of Modern Software Development 16Native Apps+● Speed and reaction● Native looknfeel● Native API● Debug + Profile-● Only 1 platform● New language?● Costs● App review time
  • 13. Vladimir Kotov Basic Trends of Modern Software Development 17When to use native app ?● Use native app if ...● You want to achieve native look and feel● You need top performance● You want to be on the app store(s)
  • 14. Vladimir Kotov Basic Trends of Modern Software Development 18The Mobile “Server-side” WebUses HTML, JavaScript, CSS and runs in a devices browser
  • 15. Vladimir Kotov Basic Trends of Modern Software Development 19The Mobile “Server-side” Web● Responsive Design● Dynamically loads HTML content and assets● Serves same HTML content and assets for everydevice and then scales via CSS using media queries– e.g. @media screen and (max-width: 650px)
  • 16. Vladimir Kotov Basic Trends of Modern Software Development 20The Mobile “Server-side” Web
  • 17. Vladimir Kotov Basic Trends of Modern Software Development 21The Mobile “Server-side” Web+● Existing tools● No license fees● All platforms withbrowser, even yourold Nokia● Search engine-● No app stores● Limited platformaccess (camera,calendar, etc)● As fast as yourbrowser, networklatency
  • 18. Vladimir Kotov Basic Trends of Modern Software Development 22The Mobile “Client-side” WebUses HTML5 + JavaScript and runs in a devices browser
  • 19. Vladimir Kotov Basic Trends of Modern Software Development 23The Mobile “Client-side” Web● Sencha Touch● JQueryMobile● JQTouch● KendoUI● GWT Mobile
  • 20. Vladimir Kotov Basic Trends of Modern Software Development 24The Mobile “Client-side” Web+● Existing tools● No license fees● All platforms withbrowser● Search engine-● No app stores● Limited platformaccess (camera,calendar, etc)● As fast as yourbrowser, networklatency
  • 21. Vladimir Kotov Basic Trends of Modern Software Development 25The Mobile “Client-side” Web● Use the client-side web if ...● Need something that looks like an app, butcare less for the sensors of your phone● You want to prototype a service● You need crossplatform app (not native)
  • 22. Vladimir Kotov Basic Trends of Modern Software Development 26Hybrid AppHTML5 + JavaScript with a wrapper that gives it nativecapabilities
  • 23. Vladimir Kotov Basic Trends of Modern Software Development 27Hybrid App● Run inside a nativecontainer to leverage thedevice’s browser engine(but not the browser)● Web-to-nativeabstraction layerenables access todevice capabilities
  • 24. Vladimir Kotov Basic Trends of Modern Software Development 28Hybrid App+● Existing tools● No license fees● All platforms withbrowser● Search engine-● As fast as yourbrowser, networklatency
  • 25. Vladimir Kotov Basic Trends of Modern Software Development 29Hybrid App● Use hybrid approach if ...● You want to build your app based on HTML5● And need access to the phones hardware
  • 26. Vladimir Kotov Basic Trends of Modern Software Development 30Interpreted and cross-compile
  • 27. Vladimir Kotov Basic Trends of Modern Software Development 31Interpreted and cross-compile● Appcelerator Titanium– JavaScript -> Native + Hybrid JS● MonoTouch– C# -> Native● Apache Thrift– Thrift definition -> Native● QT
  • 28. Vladimir Kotov Basic Trends of Modern Software Development 32Interpreted and cross-compile● Use interpreted or cross-compiled app if ...● You want to use “one language to build themall”● Need access to the phones hardware● Need semi- or truly native look and feel /performance
  • 29. Vladimir Kotov Basic Trends of Modern Software Development 33Decision● Factors● App size and type● Platforms● Developers skills● Budget● Monetization● User experience● Importance of updates
  • 30. Vladimir Kotov Basic Trends of Modern Software Development 34Decision
  • 31. Vladimir Kotov Basic Trends of Modern Software Development 35Android platformAndroid is a Linux-based operating system and asoftware stack designed for mobile devicesKey ApplicationsHome, Phone, BrowserApplication FrameworkJava layer system servicesMiddlewaresLibraries, Dalvik VMOperating systemLinux kernel
  • 32. Vladimir Kotov Basic Trends of Modern Software Development 36Android platformDeveloped by Google*2005 – purchased Android Inc2007 – established Open Handset Alliance (OHA)2012 – Oracle v. Google on Java APICompatibilityDefinitionDocumentto certify devicesSDK + toolsto createapplications
  • 33. Vladimir Kotov Basic Trends of Modern Software Development 37Android platformMain hardware platform for Android is ARM● support for x86 from the Android x86 projectAdvanced RISC Machine● 7.9 billion shipped in 2011– 95% smartphones– 90% hard disk drives● Reduced instruction set computing (RISC)● Lower costs, Less heat, Less power usage● Reduced complexity and simpler design● Good interfacing to many devices
  • 34. Vladimir Kotov Basic Trends of Modern Software Development 38Android Anatomy
  • 35. Vladimir Kotov Basic Trends of Modern Software Development 39Android Linux KernelAndroid kernel based on Linux 2.6 and 3.x (Android 4.0)● Why Linux?● Great memory and process management● Permissions-based security model● Proven driver model● Support for shared libraries● Open source
  • 36. Vladimir Kotov Basic Trends of Modern Software Development 40Android Linux KernelAndroid “is not Linux”● Users never see Linux sub system● Not the full set of standard Linux utilities● August 2011, Linus Torvalds - "eventually Android andLinux would come back to a common kernel, but it willprobably not be for four to five years"
  • 37. Vladimir Kotov Basic Trends of Modern Software Development 41Android Linux KernelAndroid patch of kernel enhancements● Power Management● Ashmem● Binder IPC● Low Memory KillerDecember 2011 - Android MainliningProject to put some Android drivers,patches and features back into theLinux kernel
  • 38. Vladimir Kotov Basic Trends of Modern Software Development 42Android Native Libraries
  • 39. Vladimir Kotov Basic Trends of Modern Software Development 43Android offerThe first open* and comprehensive platform for mobiledevices● an operating system, user-interface and applications● a mobile phone without the proprietary obstacles thathave hindered mobile innovation● an open-source development platform
  • 40. Vladimir Kotov Basic Trends of Modern Software Development 44Android offer● Apps are equivalent parts of the phoneusing the same API● Reuse and replacement of applicationcomponents● GSM, EDGE, 3G, 4G, LTE data transfer● Comprehensive location-based APIs● Wi-Fi hardware access and peer-to-peerconnection
  • 41. Vladimir Kotov Basic Trends of Modern Software Development 45Android offer● Full multimedia hardware control, medialibraries● APIs for sensor hardware● Libraries for Bluetooth and NFC● Shared data stores and APIs for contacts,social networking● Background Services, applications, andprocesses● Home-screen Widgets and Live Wallpaper

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