Android Application Devlopment. A Guide for the Intermediate Developer. Degree Thesis in Computer Science presented at Malmo Univerity, School of Technology, Department of Computer Science June 4, 2010.

1. Android
Application
Development
____________________________
- A guide for the Intermediate Developer

2. What is Android?

3. Versions of Android

4. Android Market
April 12

5. Android Market
June 1

6. Android Market
in 7 weeks
>>>

7. Developer?
• Keep Track of the Android Market
Downloads!
• Target lowest version - 1.5 today
• Target important versions (1.5, 1.6 & 2.1)

8. Who owns Android?
http://www.openhandsetalliance.com/

9. Who is OHA?
Mobile
Operators

10. Who is OHA?
Mobile Semiconductor
Operators Companies

11. Who is OHA?
Mobile Semiconductor Handset
Operators Companies Manufacturers

12. Who is OHA?
Mobile Semiconductor Handset Software
Operators Companies Manufacturers Companies

13. Who is OHA?
Mobile Semiconductor Handset Software Commercialization
Operators Companies Manufacturers Companies Companies

14. Not just...

15. Android SDK +

16. Android SDK +
• Java Android Library (~Java SE)

17. Android SDK +
• Java Android Library (~Java SE)
• Java version 1.5 (1.6)

18. Android SDK +
• Java Android Library (~Java SE)
• Java version 1.5 (1.6)
• Eclipse IDE + Android Development Tool

19. Android SDK +
• Java Android Library (~Java SE)
• Java version 1.5 (1.6)
• Eclipse IDE + Android Development Tool
• Android Virtual Device

20. Android SDK +
• Java Android Library (~Java SE)
• Java version 1.5 (1.6)
• Eclipse IDE + Android Development Tool
• Android Virtual Device
• SD-Card Size > 8 MiB (16 MiB)

21. Android Virtual Device

22. How Android Works

23. Your first Android App
?

24. Your first Android App
?
“Hello World!”

25. AndroidManifest.xml

26. AndroidManifest.xml
android:label=“@string/app_name”

27. main.xml

28. main.xml
android:text=“@string/hello”

29. strings.xml

30. strings.xml
android:text=“@string/hello”
<string name=“hello”>Hello World!</string>

31. strings.xml
android:label=“@string/app_name”
android:text=“@string/hello”
<string name=“hello”>Hello World!</string>
<string name=“app_name”>First App</string>

32. FirstApp.java

33. FirstApp.java
setContentView(R.layout.main);
= res/layout/main.xml

34. Hello World!

35. Hello World!
<string name=“app_name”>First App</string>
<string name=“hello”>Hello World!</string>

36. Multitasking

37. Multitasking
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
...
}

38. Dalvik Virtual Machine

39. Dalvik Virtual Machine
Instance InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance Instance

40. OS Terminator
Instance InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance Instance
Memory

41. OS Terminator
InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance Instance
Instance
Memory

42. OS Terminator
InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance Instance
savedInstanceState
Memory

43. OS Terminator
InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance
savedInstanceState Instance
Memory

44. OS Terminator
InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance
savedInstanceState savedInstanceState
Memory

45. User Re-activate App
InstanceInstance
Instance
Instance Instance
Instance Instance
Instance Instance
savedInstanceState savedInstanceState
Memory

46. User Re-activate App
Instance
Instance Instance
savedInstanceState savedInstanceState
Memory

47. User Re-activate App
Instance
Instance
Instance Instance
savedInstanceState
Memory

48. User Re-activate App
Instance
Instance Instance
savedInstanceState
Instance Instance
Memory

49. Test Application
1. Connect to Network server
Quick
2. Login with Facebook connect Value Win
3. Login with user/password 2. 1.
3.
Easy

50. Test Application
1. Connect to Network server
Quick
2. Login with Facebook connect Value Win
3. Login with user/password 2. 1.
3.
High Value &
Easy
Difficult

51. Connect
Android
phone
Network
server

52. Connect
Android
phone
Network
server

53. Facebook Connect
http://apps.facebook.com/myfbdevapp/
Facebook
Developer
Your
server

55. Your Server...
Google Analytics!

56. Android FB Connect
• FBRocket
• iPhone clone
http://wiki.developers.facebook.com/index.php/User:Android

57. Networking
• HTTP + SSL = HTTPS
• Use threads to increase User Experience

58. Reference

59. Reference

60. Now what?
This summer: Develop mobile app for...

61. Now what?
This summer: Develop mobile app for...

62. Opposition