The document discusses the use of Perl in Android development, highlighting Android as a Linux-based operating system popular for mobile devices. It mentions key statistics, features, and challenges, particularly the reliance on Java, and introduces SL4A as a bridge for scripting in multiple languages including Perl. Additionally, it provides insights on how to start scripting with examples of functions like GPS-based messaging.

1. When Perl met Android

2. About me Sawyer X

3. Sysadmin / Perl Ninja

4. http://search.cpan.org/~xsawyerx/

5. http://blogs.perl.org/users/sawyer_x/

6. What is Android? GNU/Linux-based operating system

7. Developed by Google for mobile devices

8. Java UI framework.

9. Some statistics Smartphone OS first quarter of 2010 in the US: BlackBerry OS holds 36% - 1st place

10. Android holds 28% - 2nd place

11. iOS holds 21% - 3rd place.

12. [NPD Group study]

13. Some more statistics 2nd most popular mobile development target

14. Over 70,000 apps available for Android

15. About 60K Android devices sold daily, about 22M a year

16. About 60% of Android Apps are free compared to iPhone’s 25%

17. U.S. make up 65% of Android devices.

18. Features Free

19. Linux-based

20. Open source

21. Community-driven

22. Pretty UI

23. Well supported

24. Has an emulator.

25. Obstacles Java.

26. Java..

27. Java...

28. Enter SL4A (previously ASE) Scripting Layer for Android

29. (Formerly ASE: Android Scripting Environment)

30. Java bridge between interpreters and Android

31. JSON RPC server

32. Serializes object methods and params to JSON

33. Root required for new interpreters

34. Supports Python, JRuby, Perl, Lua, Javascript...

35. 6 lines for a barcode scanner!

36. Stuff you can do TTS (Text To Speech)

37. Dialogs (input, alert, selections, progress, etc.)

38. GPS, ringer mode, airplane mode, etc.

39. Sensors, vibrators, etc.

40. Data on the phone (contacts, SMS msgs)

41. Run servers in the background

42. (Stevan got Plack running!)

43. (I got Dancer running!)

44. How does the code look? Android.pm (written by Jarkko Hietaniemi)

45. Provides an object

46. Uses AUTOLOAD to provide any API method

47. Returns hash with results (errors, msgs, etc.)

48. use Android;

49. my $droid = Android->new;

50. $droid ->speak( “Hello from Perl!” );

51. GPS-based messaging (Alex Elder) You set GPS coordinates

52. An SMS msg and a contact

53. It sends the SMS when you reach the location

54. Supports tags (such as country name)

55. Roughly 90 lines of code in a single file

56. Would have helped me avoid my first ticket.

57. Where do I start? Download and install Android SDK

58. Create a virtual device

59. Install SL4A

60. Add a Perl interpreter

61. Write your script

62. Upload it to the virtual device

63. Run, Forest... RUUUUUN [the script] !!