Localization Best Practices on tvos

Transcription

1 Session App Frameworks #WWDC17 Localization Best Practices on tvos 248 Joaquim Lobo Silva, Internationalization Software Engineer 2017 Apple Inc. All rights reserved. Redistribution or public display not permitted without written permission from Apple.

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3 Text Layout and images Exporting and testing

4 Text Layout and images Exporting and testing

5 Text

6 Text Strings in Storyboards are localizable by default

7 Text Strings in Storyboards are localizable by default In code, wrap strings with NSLocalizedString() calls

8 Text Strings in Storyboards are localizable by default In code, wrap strings with NSLocalizedString() calls Comments are extremely useful

9 Text Strings in Storyboards are localizable by default In code, wrap strings with NSLocalizedString() calls Comments are extremely useful let instruction = NSLocalizedString("Subscribe", comment: "Button title, start subscription")

10 Text Strings in Storyboards are localizable by default In code, wrap strings with NSLocalizedString() calls Comments are extremely useful

11 Text Strings in Storyboards are localizable by default In code, wrap strings with NSLocalizedString() calls Comments are extremely useful

12 Text

13 Text Not everything needs to be a localized string literal

14 Text Not everything needs to be a localized string literal Formatters for numbers, dates and date intervals, units, etc.

15 Text Not everything needs to be a localized string literal Formatters for numbers, dates and date intervals, units, etc. let formatter = DateFormatter()

16 Text Not everything needs to be a localized string literal Formatters for numbers, dates and date intervals, units, etc. let formatter = DateFormatter() formatter.timestyle =.short let string = formatter.string(from: date) // 9:41 AM

17 Text Not everything needs to be a localized string literal Formatters for numbers, dates and date intervals, units, etc. let formatter = DateFormatter() formatter.timestyle =.short let string = formatter.string(from: date) // 9:41 AM Measurements and Units WWDC 2016 Internationalization Best Practices WWDC 2016

18 Remote Content

19 Remote Content Remote text should match your app's language

20 Remote Content Remote text should match your app's language e.g. media content and descriptions

21 Remote Content Remote text should match your app's language e.g. media content and descriptions APIs to determine best language to display

22 Remote Content Remote text should match your app's language e.g. media content and descriptions APIs to determine best language to display Considers regional variants and appropriate fallbacks

23 Remote Content Remote text should match your app's language e.g. media content and descriptions APIs to determine best language to display Considers regional variants and appropriate fallbacks Locale.preferredLanguages bundle.localizations bundle.preferredlocalizations es-mx en, en-gb, es-es, es-419, zh-hans es-419 zh-cn en, es, fr, ja, ko, zh-hans, zh-hant zh-hans

24 // Get the localization the app is currently launched in let currentlocalization = Bundle.main.preferredLocalizations.first // Get best localization match from a list of available localizations let available = myserversupportedlanguages() let matchedlocalization = Bundle.preferredLocalizations(from: available).first

25 // Get the localization the app is currently launched in let currentlocalization = Bundle.main.preferredLocalizations.first // Get best localization match from a list of available localizations let available = myserversupportedlanguages() let matchedlocalization = Bundle.preferredLocalizations(from: available).first

26 // Get the localization the app is currently launched in let currentlocalization = Bundle.main.preferredLocalizations.first // Get best localization match from a list of available localizations let available = myserversupportedlanguages() let matchedlocalization = Bundle.preferredLocalizations(from: available).first

27 Text Summary Use strings in Storyboards Use NSLocalizedString Use formatters Use Bundle APIs to determine language for remote content

28 Text Layout and images Exporting and testing

29 Layout

30 Layout Adapt for

31 Layout Adapt for Different translation lengths

32 Layout Adapt for Different translation lengths Backup English

33 Layout Adapt for Different translation lengths Backup English Varmuuskopiointi Finnish

34 Layout Adapt for Different translation lengths Backup English Varmuuskopiointi Finnish Script directionality

35 Layout Adapt for Different translation lengths Backup English Varmuuskopiointi Finnish Script directionality Hello English

36 Layout Adapt for Different translation lengths Backup English Varmuuskopiointi Finnish Script directionality Hello مرحب ا English Arabic

37 Layout in UIKit

38 Layout in UIKit UIStackView

39 Layout in UIKit UIStackView

40 Layout in UIKit UIStackView Left-to-Right

41 Layout in UIKit UIStackView Left-to-Right Auto Layout: Leading/trailing constraints

42 Layout in UIKit UIStackView Left-to-Right Auto Layout: Leading/trailing constraints Leading resolves to left in left-to-right, right in right-to-left

43 Layout in UIKit UIStackView Right-to-Left Auto Layout: Leading/trailing constraints Leading resolves to left in left-to-right, right in right-to-left

44 Layout in UIKit UIStackView Right-to-Left Auto Layout: Leading/trailing constraints Leading resolves to left in left-to-right, right in right-to-left

45 Layout in TVMLKit NEW

46 Layout in TVMLKit NEW Templates do all the work

47 Layout in TVMLKit NEW Templates do all the work For custom positioning:

48 Layout in TVMLKit NEW Templates do all the work For custom positioning: leading and trailing tv-position and tv-align

49 Layout in TVMLKit NEW Templates do all the work For custom positioning: leading and trailing tv-position and tv-align - leading resolves to left in left-to-right, right in right-to-left

50 Layout in TVMLKit NEW Templates do all the work For custom positioning: leading and trailing tv-position and tv-align - leading resolves to left in left-to-right, right in layout-direction: rtl) media queries for margins and padding

51 Layout in TVMLKit NEW Templates do all the work For custom positioning: leading and trailing tv-position and tv-align - leading resolves to left in left-to-right, right in layout-direction: rtl) media queries for margins and padding Advances in TVMLKit Grand Ballroom B Tuesday 11:20AM

52 Images

53 Images Universal

54 Images Universal Mirrored

55 Images Universal Mirrored

56 Images Universal Mirrored Dedicated

57 Images Universal Mirrored Dedicated

58 Images Universal Mirrored Dedicated

59 Images

60 Images

61 Images What s New in International User Interfaces WWDC 2016

62 Layout and Images Summary UIKit UIStackView Auto Layout TVMLKit Templates New direction APIs

63 Text Layout and images Exporting and testing

64 Adding Languages to Your Project

65 Adding Languages to Your Project

66 Exporting Your Localizable Content

67 Importing Translated Content

68 Testing

69 Testing Xcode has several features for testing and verification

70 Testing Xcode has several features for testing and verification Even if you don't speak the language!

71 Testing Xcode has several features for testing and verification Even if you don't speak the language! Localizability static analyzer

72 Testing Xcode has several features for testing and verification Even if you don't speak the language! Localizability static analyzer Pseudolanguages

73 Testing

74 Testing Xcode has several features for testing and verification Even if you don't speak the language! Localizability static analyzer Pseudolanguages Localizing with Xcode 9 Grand Ballroom B Tuesday 10:20AM

75 Project Setup Summary Add supported languages to your project Export and import localizable content Static analyzer and runtime pseudolanguages

76 More Information

77 Related Sessions Localizing with Xcode 9 Grand Ballroom B Tuesday 10:20AM Advances in TVMLKit Grand Ballroom B Tuesday 11:20AM Internationalization Best Practices WWDC 2016 What s New in International User Interfaces WWDC 2016 Measurements and Units WWDC 2016

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