1. Android operating system N. Sravani M. Tech(CSE) (09251D5804)

2. Introduction to Android Open software platform for mobile development A complete stack – OS, Middleware, Applications An Open Handset Alliance (OHA) project Powered by Linux operating system

3. Features of ANDROID Integrated Browser Optimized graphics Media support GSM Telephony Bluetooth, EDGE, 3G, and WiFi Camera, GPS

5. Linux Kernel Works as a HAL Device drivers Networking

6. Libraries C/C++ libraries Interface through Java Surface manager – Handling UI Windows 2D and 3D graphics Media codecs, SQLite, Browser engine

7. Android Runtime Dalvik VM –Dex files –Compact and efficient than class files –Limited memory and battery power Core Libraries –Java 5 Std edition –Collections, I/O etc…

8. Application Framework API interface Activity manager – manages application life cycle.

9. Applications Built in and user apps Can replace built in apps

10. Application Building Blocks Activity IntentReceiver Service ContentProvider

11. Activities Typically correspond to one UI screen But, they can: – Be faceless – Be in a floating window – Return a value

12. Services Faceless components that run in the background – E.g. music player, network download etc…

13. Development Tools Eclipse Android SDK 1.0-2.0 developer.android.com

14. Motorola Front Open tumb-550*auto 24368

15. Conclusion `  The Android platform will be made available under one of the most progressive developer – friendly open source licences which gives mobile and device manufacturers significant freedom and flexibility to design products.

16. T H A N Q