Android Concepts

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Revision as of 12:26, 8 March 2011 by Jordan.anastasiade (talk | contribs) (Android Architecture)
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What is Android

Android is a software product for mobile devices that has three major parts:

  1. operating system
  2. middleware
  3. key applications

Android Architecture

Here are the major components based on this [source]


Key principles

1. Linux Kernel - proven driver model, memory and process management, etc. (a core service of a reliable operating system)


Component Responsability
Surface Manager composing drawing surface onto the screen
ES & SGL core of graphics libraries
Media Framework core media: mpeg, mp3, all video formats, etc.
FreeType an engine for rendering fonts
SQLite core of data storage
WebKit an open source web browser engine
SSL security socket layer