Android is an open-source operating system based on a modified Linux kernel. It has over 12 million lines of code written primarily in Java, C/C++ and XML. Google purchased Android Inc. in 2005 and has since released several versions of Android including Cupcake, Donut, Eclair, Froyo, Gingerbread and Honeycomb. Android is popular due to its open nature, extensive app marketplace, integration with Google services, and reasonable device prices. Developers can create Android apps using Java in Eclipse with the Android SDK which includes tools like the emulator.

1. Mobile Operating SystemsWhat is your Mobile OS ?What is your opinion about it ?Why you are using it ?Do you know any other OSs ??

2. Mobile Operating Systems

3. Ahmed AliBig fan of Android

6. Hello Android !1 – What is “ Android “ ?2 – Android History3 – Android Versions 4 – Android Market5 – Why Android ?!!6 – Data synchronization7 – Developer Tools

7. What is Android ?Android is an open-source software stack for mobile devices that includes an operating system, middleware and key applications. And it is based upon a modified version of the Linux kernel

8. AndroidHow many lines of code in Android ??12 Million LinesIncluding 3 Million Lines “XML”2.8 Million Lines “C” Core2.1 Million Lines “Java” UI1.75 Million Lines “C++”

9. Open handset alliance

10. Android HistoryGoogle Inc. purchased the initial developer of the software in 2005. from Android Inc. which was founded in Palo Alto, California, United States in October, 2003 by Andy Rubin, Rich Miner.

11. system-architecture

12. What is That !!!

13. Android PlatformAndroid 1.5 CupCakeAndroid 1.6 DonutAndroid 2.1 EclairAndroid 2.2 FroyoAndroid 2.3 Gingerbread.Android 3.0 Honeycomb , Tablet Oriented

14. Some statistics

15. Android No.1 in USA

16. 125/SecondAccording to data from Android apps site Androlib, 3,738,365,177 apps have been downloaded from the Android market. That’s quite an impressive number. that means that 125 Android apps are downloaded every second.

17. Android Market

18. Android Market Market Is Divided into Two Parts 1 – Phone Market2 – Web Market

19. Phone Based Market

20. Desktop Based Market

21. Android Market - $25 Registration Fee for Developer - Developer receive 70% of Each Sale - Remaining amount Goes to carriers - Google Doesn’t Take any percentage - Website : www.market.android.com

22. Why Android ?!1 – Open Source2 – Flash Player Support3 – Different Models4 – Reasonable prices5 – Google Apps6 – Android Apps

23. Data Synchronization - How do I sync my calendar data? - How do I sync my contacts? - Does Google offer anything like MobileMe?

24. Data Synchronization“the best way to synchronize these various pieces ofinformation is to let the device do it on its own whileyou're not looking” so, you never have to think about it Once you've logged into your Google account on an Android-powered phone it automatically synchronizes all your contacts and Gmail information so everything isalways available”

25. Development Tools - Java Language - Eclipse IDE - ADT Plug-in For Eclipse - Android SDK

26. Android SDKConsist of the following parts : - Android Emulator - Command line tools - Documentations. - example Applications.

27. Android Emulator

28. Your First App “Hello World”Install Eclipse then Install ADT Plug-in Download Android SDK and install it Now, Create your First App

29. Let’s Create Our 1st App

30. Summery

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32. @ahmed_alyWww.Riddek.wordpress.com

33. Resources Wikipedia Android Developer