June 2017
Intermediate to advanced
873 pages
18h 9m
English
Content preview from Dart: Scalable Application DevelopmentBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Using translated messages
Now, it's time to generate a set of Dart libraries that contain translated versions of our messages—one per locale from the ARB files prepared before. We use the generate_from_arb program from the intl package:
pub run intl:generate_from_arb --output-dir=web web/registration_form.dart web/translate_en.arb web/translate_de.arb
The program generates the message_de.dart, message_en.dart, and messages_all.dart files in the specified web directory. Each message_<locale_tag>.dart file contains the MessageLookup class that implements MessageLookupByLibrary. The MessageLookup class has a getter method localeName, a set of static functions that are returned translated on the specific locale text messages, and final constant messages ...
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