Universal programming recipes - Ekaterina Trofimenko - Women In Technology

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Badoo

Video: https://vimeo.com/155286246

Technology

Universal
programming recipes
Kateryna Troﬁmenko
iOS developer

What do we do?
Application
Service
Platform

What do we do?
Application
Service
Platform
User experience

Working
Difference engine by Charles Babbage

Patterns
a general solution to a problem

Patterns
a general solution to a problem
a reusable architectural outline

Delegate
Customise behaviour without
subclassing

Delegate
Customise behaviour without subclassing
UIApplication UIApplicationDelegate

Data Source
Customise data retrieval
without subclassing

Data Source
Customise data retrieval without subclassing
UITableView DataSource

Data Source
Customise data retrieval without subclassing
UITableView DataSource
UICollectionView DataSource

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

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

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

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

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

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

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

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

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

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

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

Composite
Manipulate a group of
objects as a single object

Composite
Manipulate a group of objects as a single object
UIView

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

MVC
Model View
Controller
Updates
User actionsNotiﬁcations

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

Proﬁle View
Controller
Input validator
Chat View
Controller
Input validator

Proﬁle View
Controller
Input validator
Chat View
Controller

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

• 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/

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

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

techblog.badoo.com
BadooTech @BadooTech
kateryna.troﬁmenko@corp.badoo.com
kutusha @_ﬁma346
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Universal programming recipes - Ekaterina Trofimenko - Women In Technology

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!

60.

61. Information Flow

62.

63. ﬁnd the truth

64. ﬁnd the truth ask why, not how

65. Clear responsibilities

66.

67.

68.

69.

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

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

96.

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

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