Getting Started with Android Development

1. Getting Started with Android Development Rohit Ghatol

2. About Me Rohit Ghatol • Architect @QuickOffice • Project Mgr @Synerzip • Certified Scrum Master • Author “Beginning PhoneGap” @Apress • Founder TechNext Pune (Pune Developer Community) LinkedIn Profile

3. Topics • Understanding Android • Android Building Blocks • Putting Building Blocks Together • Latest things in Android World • Reference Material

4. Understanding Android

5. What is Android? • Software stack for mobile devices that includes • an operating system • middleware • key applications • SDK to develop application

6. Android Architecture

7. Android OS Names

8. http://en.wikipedia.org/wiki/Android_version_history

9. Key OS Capabilities

10. Android OS Capabilities • Phone and OS features • 3G/4G,GPS, Accelerometer, Compass, Camera, SQLite, Wifi, Bluetooth, etc • Near Field Communication • Cloud to Device Messaging (C2DM) • Direct Wifi

11. Android OS Capabilities • Notable Features of Android • All Applications are equal • Reuse of Data • Reuse of Functionality

12. All Applications are Equal • Replace Home Application • Replace Contacts, Dialer Applications • Replace SMS, Email Applications • Replace Settings Application • OEM Customizations (e.g HTC Sense)

13. Reuse of Data Default Contact Manager New Contact Manager Replaces What happens to data feed into the default Contact Manager?

14. Reuse of Data Default Contact Manager New Contact Manager Replaces But Uses Content Provider “Replaces” means by default the new app is launched, but old app still exists

15. Reuse of Functionality My Coupons Time to learn SMS API and Email API and code them into my application! More code! Heehee New Requirement • Share with Friends using • SMS • Email

16. Reuse of Functionality Here are two applications who can do it for you? My Coupons SMS Intention: Want to send Email Mail

17. Reuse of Functionality My Coupons SMS Mail

18. Reuse of Functionality My Coupons SMS Mail

19. Android Environment Setup http://developer.android.com/sdk/installing.html

20. Eclipse Android SDK ADT Android ….. SDK Manager Manages Android 2.2 Emulator Emulator Google API 2.2 AVD Manager ………………. Android 3.2 Android 4.x

21. Android Application Android Manifest Dex File Resources MyApp.apk Signed by Self Signed Private Key

22. Identity of Android Application

23. Android Build Cycle .java .class .dex .apk javac dx apt • AndroidManifest.xml • resources

24. How Applications behave?

25. Dalvik VM Uid 1 Uid 2 Uid 3 Linux Process data data com.xyz.email Dalvik VM Dalvik VM Dalvik VM shared_prefs files UID 1 databases Process Process Process com.abc.skype . . . . . . Linux Kernel UID 2 com.koko.sukudo . . . . . . UID 3

26. Android Building Blocks

27. Activity Service Broadcast Receiver Content Resolver Content Provider Intents Building Blocks Other Components Alarm Manager Noti-fication Manager …… Read more - http://developer.android.com/guide/topics/fundamentals.html ......

28. First Android Application

35. Interacting with Buttons

36. Interacting with Button

37. Interacting with Buttons

39. Screen Navigation

46. startActivityForResult()