Tuesday, 29 May 2012

What is Android ?


Is Android an operating system ?
Is Android a programming language ?
" Android is a software stack for mobile devices that includes or combination of
                Applications + Framework + Libraries + DVM + LINUX Kernel. "


Android Features 

  1. Application framework
    •  An application framework that allows you to build an application or customize an already developed application.
    • It gives you easy-to-use(easy-2-use)tools to edit your data and edit the scope of your data.

  2. Dalvik virtual machine
    • The Dalvik virtual machine(DVM) is a register-based virtual machine, designed and written by Dan Bornstein with contributions from other Google engineers as part of the Android mobile phone platform.
    • The  Dalvik virtual machine (DVM) is a Register-Based virtual machine, which is designed by Dan Bornstein with other Google engineers as a part of the Android Platform.
       
  3. Integrated browser
    • Android has integrated the WebKit for browser behavior.
    • WebKit is an open source web browser engine.
       

  4. Optimized graphics
    • Custom 2D graphics library.
    • 3D graphics based on the OpenGL ES 1.0 specification (hardware acceleration optional)
       
  5. SQLite
    • As it's name implies Lite database for small device like mobile phones and smart phones.
    • SQLite is a Relational Database Management System with small programming libraries.
         
  6. Media support
    • Audio (.MP3, .AAC, .AMR)
    • Video (.MPEG4)                             // does not supports .AVI
    • Images(.JPG, .PNG, .GIF)
       
  7. GSM Telephony
    • Hardware Dependent
       
  8. Bluetooth, EDGE, 3G, and WiFi
    • Hardware Dependent

  9. Camera, GPS, compass, and accelerometer
    • Hardware Dependent
       

  10. Rich development environment
    • Includes a device emulator
    • Tools for debugging 
    • Memory and performance profiling
    • Plugin for the Eclipse IDE (Integrated Development Environment)
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