Understand Android and its basic Concepts

DynaTAC 8000X

Basic Concepts :

1.  First Generation Mobile Phone :

   • First cell developed in 1983 by Motorola with name "DynaTAC 8000X".
   • Did little more than make and receive calls.
   • It design and developed by "Handset Manufactures".

2. OHA (Open Handset Alliance) :

   • Formed in November 2007, It include chip makers, handset manufactures, software developers etc.

   • OHA Mobile Operators :

     • Vodaphone
     • NTT Docomo
     • China Mobile
     • KDDI

   • OHA Handset Manufactures :

     • Sony Ericsson
     • HTC
     • Lenovo
     • Asus
     • LG

About Android :

• Andy Rubin is father of Android, working together OHA members, Google began developing non proprietary open standard platform based upon technology developed at Android Inc.
• "Android is an operating system, Middle ware and key mobile applications."
                                                   or
• "Android is an open source and Linux-based operating system for mobile devices developed by the Open Handset Alliance, led by Google, and other companies."
• The Android SDK provides a set of tools and APIs to develop Android applications.

• Platforms :

  • Alpha (1.0)
  • Beta (1.1)
  • Cupcake Android 1.5
  • Donut Android 1.6
  • Eclair Android 2.0/2.1
  • Froyo Android 2.2
  • Gingerbread 2.3
  • Honeycomb 3.0/3.1
  • Ice Cream Sandwich 4.0
  • Jelly Bean 4.1–4.3.1
  • KitKat 4.4–4.4.4
  
  
  

  Reference Link  : 

  1. Wikipedia
  2. TutorialsPoint