Kotlin for Android presentation in 29 Nov 2016 at DevFest İzmir '16

1. Kotlin for Android
Semih Bozdemir
sembozdemir@gmail.com
semih.bozdemir@monitise.com
medium.com/@sembozdemir

2. Kotlin
• Programming language for JVM
• Made by JetBrains
• Open-source

3. Why Kotlin?
• Compiles to JVM bytecode
• Comes from industry
• Costs nothing to adopt (One-click Java to Kotlin converter)
• Easy to learn
• Big community
• Readable syntax

4. Basic Syntax
• Functions

5. Basic Syntax
• Functions

6. Basic Syntax
• Local variables(read-only)

7. Basic Syntax
• Local variables(read-only)

8. Basic Syntax
• Local variables(read-only)

9. Basic Syntax
• Local variables(mutable)

10. Basic Syntax
• String templates

11. Basic Syntax
• For Loops

12. Basic Syntax
• For Loops

13. Basic Syntax
• Ranges

14. Basic Syntax
• Type checks and automatic cast

15. Basic Syntax
• When Operator

16. Basic Syntax
• When Operator

17. Basic Syntax
• When Operator

18. Basic Syntax
• When Operator

19. Basic Syntax
• When Operator

20. Classes and Inheritance
• Constructors

21. Classes and Inheritance
• Constructors

22. Classes and Inheritance
• Constructors

23. Classes and Inheritance
• Constructors

24. Classes and Inheritance
• Constructors

25. Classes and Inheritance
• Creating instance

26. Classes and Inheritance
• Creating instance

27. Classes and Inheritance
• Creating instance

28. Classes and Inheritance
• Inheritance

29. Classes and Inheritance
• Inheritance

30. Classes and Inheritance
• Inheritance

31. Classes and Inheritance
• Inheritance

32. Classes and Inheritance
• Inheritance

33. Classes and Inheritance
• Getters and setters

34. Classes and Inheritance
• Data classes

35. Classes and Inheritance
• Object declarations

36. Classes and Inheritance
• Companion object

37. Classes and Inheritance
• Companion object

38. Null Safety

39. Null Safety

40. Null Safety

41. Null Safety

42. Null Safety

43. Null Safety

44. Extension Functions

45. Extension Functions

46. Extension Functions

47. Higher-Order Functions

48. Higher-Order Functions

49. Higher-Order Functions

50. Higher-Order Functions

51. Higher-Order Functions

52. Higher-Order Functions

53. Higher-Order Functions

54. Higher-Order Functions

55. Higher-Order Functions

56. Higher-Order Functions

57. Higher-Order Functions

58. Higher-Order Functions

59. Higher-Order Functions

60. Anko

61. “Let’s code ${kotlin}”
bit.ly/todokotlin

62. Resources
• Documentation
https://kotlinlang.org/docs/reference/
• Kotlin Koans
https://try.kotlinlang.org/koans
• Learn Kotlin with Keddit
https://medium.com/@juanchosaravia/learn-kotlin-while-developing-an-android-app-
introduction-567e21ff9664#.2fia7o2zg
• Getting started with Android with Kotlin
https://kotlinlang.org/docs/tutorials/kotlin-android.html