Android Operating System
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Android Operating System

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Android is a software stack

Android is a software stack
Operating System
Middleware
Applications

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Android Operating System Presentation Transcript

  • 1. CONTENTS2. MOBILE OPERATING SYSTEM3. ANDROID4. HISTORY1. OPERATING SYSTEM5. EVOLUTION6. ARCHITECTURE7. FEATURES9. CONCLUSION8. COMPARISON
  • 2. Operating System Interface Between User and Machine(System)Program designed to run otherprograms/ApplicationsBackbone Of Any SystemExamples:Windows 7Win XPVistaMac OS
  • 3. Mobile Operating SystemThe operating system that controlsa mobile device .
  • 4. DevicesSmartphones Like IPhone, Sony EricssonXperia , Htc Desire.
  • 5. DevicesTablet Computerslike Apple I pad SamsungGalaxy Tab.
  • 6. Software PlatformsAndroidSymbianBlackberryiOSWindows Mobile
  • 7. What is ANDROID? Android is a software stackOperating SystemMiddlewareApplications Based On Linux Kernel Initially developed by Android Inc. Later purchased by Google Most Customizable OS Based on Java. The icon of Android is named Bugdroid.
  • 8. AndroidOPEN SOURCE OS As a Developer: Develop Apps. Download and compile the code.Code can be Modified and reused.Developers can create applications for the platform using the AndroidSDK.Applications are written using the Java programming language. As a device manufacturer: They get fully featured OS for free.Customize OS to suit their particular hardware design. Fastest growing mobile OSGoogle now activates nearly 600,000 Android devices every singleday .
  • 9. History October 2003Android Inc. was founded in CaliforniaAndy RubinRich MinerNick SearsChris White August 2005Google acquired Android Inc. 5 Nov 2007OHA was Formed .
  • 10. Open Handset AllianceGroup of Hardware and Software Developers likeGoogle, HTC, Intel, Motorola The development of Android is a collaborative work between Googleand the others members of the Open Handset Alliance. 5 Nov 2007-Open Handset Alliance also unveiled their first product,Android.
  • 11. EvolutionAndroid 1.0 Alpha Sep 2008First Android Device:HTC DREAMAndroid market October 2008Android 1.1 Beta February 2009
  • 12. Recent ReleasesApril 09 Sep09 Oct 09 May10 Dec 10 Jan11 Oct11
  • 13. ANDROID ARCHITECTUREArchitecture of Android OS
  • 14. Linux Kernel Android runs on Linux (version 2.6). Linux Kernel provides : Hardware abstraction layer Memory management Process management Networking Security
  • 15. Libraries Written in C/C++ Surface manager - Handling UI. Media Libraries- offer support for major audio/videofiles. Display/Graphics(SGL)-for 2D graphics. OpenGL ES – 3D Graphics Library. SQLite –Storage-RDB engine. WebKit–Display HTML ,same engine used in Googlechrome browser or Apple’s Safari Browser.
  • 16. Android Runtime Dalvik VM is Google’s implementation of Java, Optimized for mobiledevices Android Based on Java Lang Dalvik VM runs .dex files .Class and .jar files converted to .dex More efficient than Class files
  • 17. Application FrameworkBuilding blocks Used to create applications.Activity manager–Manages the life cycle of applicationsContent Provider– Share data between applicationsPackage Manager– Track of the applicationsTelephony Manager–Deals with calling applications
  • 18. ApplicationsAndroid devices are prepackaged with applications likea)Email client (Gmail )b)SMS program,c)Calendard)Browsere)Market & others….
  • 19. Android Features Connectivity Technologies: GSM,CDMA, EDGE, 3GBluetooth, and Wi-Fi.
  • 20. Android FeaturesMULTI-TASKING MULTIPLE LANGUAGE SUPPORT
  • 21. Android FeaturesMedia support :All major audio and video (MPEG4, H.264,MP3, AAC, AMR, JPG, PNG, GIF)Graphics: 2D and 3DTethering: Wi-Fi hotspot.Android Market:Free and paid.3rd party appsEasy to Install.Other Supported Features:GPS (Global Positioning System)Touch screen And Physical KeyboardAccelerometer for motion sensingPre Installed Social AppsFM Radio
  • 22. COMPARISON Android BlackBerry iOS Symbian
  • 23. PerformancePerformance: Android Supports DualCore Processors
  • 24. Application SupportApplication Support: Apple’s App storeLeads
  • 25. Device Support Device Support Android OS can be used on large number ofdevices than any other mobile operating systems. Android is Device Friendly OS.
  • 26. SourceSource• Android Google Open source• Symbian Nokia Open Source• Blackberry RIM Closed source• iOS Apple Closed Source•
  • 27. ConclusionGrowing TechnologyInitially on mobile handsets, Later on TabletsFUTURE: GPS devices,Cars,RefrigeratorsAnd who-knows-what else.