1. Ahmed AliMobileSq.net Founder@ahmed_aly

2. Mobile Operating Systems

4. Android is No.1

5. Agenda 1 – What is “ Android “ ? 2 – Android History 3 – Android Versions 4 – Why Android ?!! 5 – Development Tools 6 – Hello World 7 – Project content 8 - Event Handling 9 – Android Market

8. 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

9. Android History Google 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.

10. system-architecture

11. What is That !!!

12. Android Platform Android 1.5 CupCake Android 1.6 Donut Android 2.1 Eclair Android 2.2 Froyo Android 2.3 Gingerbread Android 3.0 Honeycomb , Tablet Oriented Android 4.0 Ice Cream Sandwich

13. Some statistics

14. Why Android ?! 1 – Open Source 2 – based on Linux kernel 3 – Flash Player Support 4 – Different Models 5 – Reasonable prices 6 – Google Apps 7 – Android Apps

15. Challenges of Smartphone Programming Screens Keyboards Pointing tools CPU speed and Memory

16. What You can use in Your App ? Network Storage GPS Phone Services MultiMedia

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

18. Android SDK Consist of the following parts : - Android Emulator - Command line tools - Documentations. - example Applications.

19. Android Emulator

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

21. Project Content

22. Android Application Activities: user-facing components that present UI to interact with. Services:processes that work in the background and don’t have a visible background Content Providers: components make parts of your application data available to other applications

23. Android Application Intents: messages created by the system or application themselves that are then passed on to any interested party. Broadcast Receivers: These react to specific intents, and might execute an action.

24. Manifest File (1/6) The <manifest> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.MobileSq.HelloWorld" android:versionCode="1" android:versionName="1.0“ android:installLocation=“preferExternal”>

25. Manifest File (2/6) The <application> <application android:icon="@drawable/icon" android:label="@string/app_name" android:debuggable="true"> </application>

26. Manifest File (3/6) The <activity> <activity android:name=".HelloWorld" android:label="@string/app_name"> <intent-filter> <actionandroid:name="android.intent.action.MAIN" /> <categoryandroid:name="android.intent.category.LAUNCHER" /> </intent-filter> </activity>

27. Manifest File (4/6) The <activity> <activity android:name=".MrNorm" android:label="@string/app_name“ android:screenOrientation=“portrait” android:configurations=”keyboard|keyboardHidden|orientation”/>

28. Manifest File (5/6) The <uses-permission> <uses-permission android:name="android.permission.INTERNET" />

29. Manifest File (6/6) The <uses-sdk> <uses-sdkandroid:minSdkVersion=“3“ android:targetSdkVersion=“9” />

30. Activity life cycle The Activity can be in one of three states: - Running - Paused - Stopped - Dead

31. Activity life cycle

32. Input handling (1/4) Processing Single Touch Events: Touch Events are passed to an OnTouchListener interface implementation that we register with a view. The OnTouchListener interface has only a single method Public abstract booleanonTouch(View v, MotionEvent event)

33. Input handling (2/4) Processing Single Touch Events: (Cont.) MotionEvent.getX() MotionEvent.getY() MotionEvent.getAcation() MotionEvent.ActionDown MotionEvent.ActionMove MotionEvent.ActionCancle MotionEvent.ActionUp

34. Input handling (3/4) Processing Key Events: To catch key Events, we implement another listener interface, called OnKeyListener Public booleanonKey(View v, intkeyCode, KeyEvent event)

35. Input handling (4/4) Processing Key Events: KeyEvent.getAction() KeyEvent.ActionDown KeyEvent.ActionUp KeyEvent.getUnicodeChar()

36. Coding !!!

37. Android Market

38. Android Market Market Is Divided into Two Parts 1 – Phone Market 2 – Web Market

39. 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

40. Summery

41. `

42. @ahmed_aly www.MobileSq.net

43. My Contacts LinkedIn : http://eg.linkedin.com/in/ahmedali1 Facebook : Facebook.com/Ahmed.Ali.Ibrahim Gmail : ahmed.saraya90@gmail.com HotMail : ahmed_ali@feng.bu.edu.eg