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Localization.pdf
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Aydar
December 14, 2017
Programming
0
47
Localization.pdf
Presentation for the Munich iOS Developers Meetup
Aydar
December 14, 2017
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Transcript
Improve your app localization with .stringsdict Aydar Mukhametzyanov, Freeletics
Agenda 1.The story 2.Handling plurals with .stringsdict 3.Adaptive strings
Who knows what .stringsdict is?
1.The story 2.Handling plurals with .stringsdict 3.Adaptive strings
!"#$ %&'( The story
The story !"#$ %&'( ) * +
The story Category Count ! * One 1 1 month
1 miesiąc Few 2-4, 22-24, 32-34,… 2 months 2 miesiące Many 5-19, 100,… 5 months 5 miesięcy Other 0.0-1.5, 10.0 1.5 months 1.5 miesiąca
The story if count == 1 { // one }
else { // many } !
The story if count >= 5 && count <= 19
{ // many } else if lastDigit == 1 { // one } else if lastDigit > 1 && lastDigit < 5 { // few } else { // many } )
1.The story 2.Handling plurals with .stringsdict 3.Adaptive strings
Handling plurals { login_button_title: Login, … }
Handling plurals { login_button_title: Login, … days_one: %d day, days_many:
%d days, … }
Handling plurals { login_button_title: Login, … days_one: %d day, days_many:
%d days, … } if count == 1 { // Use days_one } else { // Use days_many }
Handling plurals { login_button_title: Login, … days: { one: %d
day, many: %d days } … }
Handling plurals { login_button_title: Login, … days: { one: %d
day, many: %d days } … } String.localizedString(key: “days", count: count)
Handling plurals
Handling plurals
Handling plurals Localizable.sctringsdict Key Format Localization Plural cases
Handling plurals
Handling plurals Plural cases: zero, one, two, few, many, other
http://www.unicode.org/cldr/charts/29/supplemental/language_plural_rules.html
Handling plurals
How to use? Handling plurals
Handling plurals let format = NSLocalizedString("days", comment: "") let string
= String.localizedStringWithFormat(format, 12) How to use?
Handling plurals let format = NSLocalizedString("days", comment: "") let string
= String.localizedStringWithFormat(format, 12) New localization doesn’t bring code changes
Handling plurals • Localizable.stringsdict • Specific format for plural rules
• Available since iOS 7
1.The story 2.Handling plurals with .stringsdict 3.Adaptive strings
Adaptive strings
Adaptive strings Key “M width available on the screen” (WWDC
2015, Session 227, 15:06) Localization options
Adaptive strings “M width available on the screen” (WWDC 2015,
Session 227, 15:06)
How to use? Adaptive strings
Adaptive strings textLabel.text = NSLocalizedString("gdp", comment: "") How to use?
Adaptive strings textLabel.text = NSLocalizedString("gdp", comment: "") New localization doesn’t
bring code changes
Adaptive strings • Specific format for adaptive strings • Easy
to start using • Available since iOS 9
Resources • WWDC 2013 Session 219: Making Your App World-Ready
• WWDC 2015 Session 227: What’s new in Internationalization • WWDC 2017 Session 401: Localizing with Xcode 9 • Demo app: https://github.com/aydarin/localizationdemo Contacts aydar.mukh
[email protected]
aydarin
Demo