1. By-:
Amitoj Singh

2. Founders of Android

3. July 2005-Google acquired Android Inc
5 Nov 2007-Open HandSet Alliance formed-Google,
HTC,INTEL,MOTOROLA,T-MOBILE.
12 Nov 2007-OHA released a preview of the
Android OHA
HISTORY

4. WHAT IS AN ANDROID?

5. OPEN HANDSET ALLIANCE(OHA)

6. FEATURES OF ANDROID

7. ● Cellular networking
● LAN
● Camera,GPS,compass(har
dware dependent)
● Touch screen and
accelerometer for
motion sensing
● Graphics hardware
aceleration
HARDWARE

8. Software
● Media support for common
audio, video and still image
formats
(MPEG4,H.264,MP3, AAC,
AMR,JPG,PNG,GIF)
● Integrated browser based on the
open source WebKit engine
● The SQL database (SQLite )for
relational data storage
● Dalvik virtual machine optimized
for mobile devices

9. ANDROID ARCHITECTURE

10. APPLICATION FRAMEWORK

11. LIBRARIES
● Written in C/C++ - System C Library(libc)
● Display/Graphics(SGL)
● Media Libraries
● SQLite –RDB engine-light weight
● LibWebCore–web browser engine–
embeddable
Web view

12. Android runtime
● Includes a set of core libraries that provides most of
the functionality-JAVA
● Every Android application runs in its own process
● Dalvik VM executes files in the (.dex) format
● Device can run multiple VMs efficiently

13. Linux kernel

14. Android versions