http://www.women-in-technology.com

1. Universal
programming recipes
Kateryna Trofimenko
iOS developer

2. What do we do?

3. What do we do?
Application

4. What do we do?
Application
Service

5. What do we do?
Application
Service
Platform

6. What do we do?
Application
Service
Platform
User experience

7. What are the properties
of good code?

8. Clean

9. Structured

10. Readable and well documented

11. Testable

12. Working
Difference engine by Charles Babbage

13. Patterns

14. Patterns
a general solution to a problem

15. Patterns
a general solution to a problem
a reusable architectural outline

16. Delegate

17. Delegate
Customise behaviour without
subclassing

18. Delegate
Customise behaviour without subclassing
UIApplication UIApplicationDelegate

19. Data Source

20. Data Source
Customise data retrieval
without subclassing

21. Data Source
Customise data retrieval without subclassing
UITableView DataSource

22. Data Source
Customise data retrieval without subclassing
UITableView DataSource
UICollectionView DataSource

23. Data Source
Customise data retrieval without subclassing
UITableView DataSource
UICollectionView DataSource
UIPickerView DataSource

24. Data Source
Customise data retrieval without subclassing
section count
cells count
headers
cells
UITableView DataSource

25. Target - Action

26. Target - Action
A consistent way to connect
controls to custom logic

27. Target - Action
A consistent way to connect controls to custom logic
UIButton
@IBAction func buttonAction(sender: AnyObject)
button.addTarget(self, action: "buttonAction",
forControlEvents: .TouchUpInside)

28. Target - Action
A consistent way to connect controls to custom logic
UISwitcher
switcher.addTarget(self, action: "switchAction",
forControlEvents: .ValueChanged)

29. Target - Action
A consistent way to connect controls to custom logic
UIGestureRecognizer
gestureRecognizer.addTarget(self, action:
"tapGestureAction")

30. Responder chain

31. Responder chain
Handle events without
knowledge of which object
will be used

32. Responder chain
Handle events without knowledge of which object will
be used
user
action

33. Responder chain
Handle events without knowledge of which object will
be used
user
action UIView

34. Responder chain
Handle events without knowledge of which object will
be used
user
action UIView
UIView

35. Responder chain
Handle events without knowledge of which object will
be used
user
action UIView
UIView
UIView
UIView

36. Composite

37. Composite
Manipulate a group of
objects as a single object

38. Composite
Manipulate a group of objects as a single object
UIView

39. Composite
Manipulate a group of objects as a single object
UIView
UIView
UIView
UIView

40. Composite
Manipulate a group of objects as a single object
UIView
UIView
UIView
UIView

41. Composite
Manipulate a group of objects as a single object
U
IView
U
IView
U
IView
U
IView

42. MVC

43. MVC
Model View
Controller

44. MVC
Model View
Controller
Updates
User actionsNotifications

45. More…

46. More…
MVP

47. More…
MVP
MVVM

48. More…
MVP
MVVM
VIPER

49. iOS Architecture Patterns
bit.ly/iOS_Patterns
Bohdan Orlov
iOS developer

50. Sprint #1:

51. Sprint #3:

52. Sprint #5:

53. Sprint #10:

54. Sprint #11:

55. Sprint #12:

56. Sprint #13:

57. Sprint #13:

58. Sprint #13:

59. Refactoring!

61. Information Flow

63. find the truth

64. find the truth
ask why, not how

65. Clear responsibilities

70. Profile View
Controller
Input validator

71. Profile View
Controller
Input validator
Chat View
Controller
Input validator

72. Profile View
Controller
Input validator
Chat View
Controller

73. Input validator Tests

74. Mutation

75. Mutation

76. Mutation

77. Mutation

78. Mutation

79. Mutation

80. Mutation

81. Mutation

82. Simplify with
immutability

83. Simplify with immutability

84. Simplify with immutability

85. Simplify with immutability

86. Simplify with immutability

87. Simplify with immutability

88. Feature flags

89. Feature
flags

90. Feature
flags

91. Feature
flags

92. Feature
flags

93. Feature
flags

94. Feature
flags

95. Core iOS Application Architectural Patterns
bit.ly/wwdc2014-224
Advanced iOS Application Architecture and Patterns
bit.ly/wwdc2014-229
Designing Intuitive User Experiences
bit.ly/wwdc2014-211
Protocol-Oriented Programming in Swift
bit.ly/wwdc2015-408

97. • developer.apple.com
• iosdevweekly.com
• ios-goodies.com
• natashatherobot.com
• swiftnews.curated.co
• mikeash.com/pyblog
• www.objc.io
• nshipster.com
• www.jessesquires.com
• yalantis.com/blog/category/programming/
• lists.swift.org/pipermail/swift-users/
• lists.swift.org/pipermail/swift-evolution/

98. Veronica Ray
Cathy Birdy
Erica Sadun
Ayaka Nonaka
Mike Ash
Ash Furrow
Andy Matuschak
Chris Eidhof
Marcin Krzyzanowski
Ørta
Peter Steinberger
Javier Soto
Nate Cook
Felix Krause
Ray Wenderlich
A. Nelson-Hornstein

99. 2007

100. 2007 2008

101. 2007 2008 2010

102. 2007 2008 2010 2014

103. 2007 2008 2010 2014
Professions that don’t exist - yet!

104. techblog.badoo.com
BadooTech @BadooTech
kateryna.trofimenko@corp.badoo.com
kutusha @_fima346
Badoo