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A minimal TOML localization package built on LocalizationsDelegate.

toml_localizations #

A minimal TOML localization package for Flutter.

TOML is a minimal, easy to read, configuration file format, which allows you to represent strings (and other types) as key/value pairs.

Install #

Add toml_localizations and flutter_localizations as dependencies to your pubspec.yaml.

dependencies:
  flutter_localizations:
    sdk: flutter
  toml_localizations: <last-version>

Add assets #

Add a TOML file per language to a asset path and define it in your pubspec.yaml.

flutter:
  assets:
    - assets/toml_translations

The TOML file name must match exactly the combination of language and country code described in supportedLocales.

That is Locale('en', 'US') must have a corresponding assetPath/en-US.toml file.

Add localization delegate and supported locales #

Add TomlLocalizationsDelegate to MaterialApp and set supportedLocales to supported language/country codes.

MaterialApp(
  localizationsDelegates: [
    // delegate from flutter_localization
    GlobalMaterialLocalizations.delegate,
    GlobalWidgetsLocalizations.delegate,
    GlobalCupertinoLocalizations.delegate,
    // toml localizations delegate
    TomlLocalizationsDelegate(path: 'assets/toml_translations')
  ],
  supportedLocales: [
    Locale('en', 'GB'),
    Locale('en', 'US'),
    Locale('en'),
    Locale('nb'),
  ],
}

Note on iOS #

Add supported languages to ios/Runner/Info.plist as described here.

Example:

<key>CFBundleLocalizations</key>
<array>
	<string>en</string>
	<string>en-GB</string>
	<string>en-US</string>
	<string>nb</string>
</array>

Format #

Example TOML file:

str = "The quick brown fox jumps over the lazy dog."

literal_str = 'C:\Users\nodejs\templates'

multiline_str = """\
The quick brown \
fox jumps over \
the lazy dog.\
"""

literal_multiline_str = '''
The first newline is
trimmed in raw strings.
   All other whitespace
   is preserved.
'''

list = [ 'one', 'two', 'three' ]

Tip: Toml supports several ways of expressing strings. See Toml documentation for more info.

API #

Translate strings or other types using:

TomlLocalizations.of(context)!.value(this);

We keep the API simple, but you can easily add an extension method to String like this:

extension LocalizedString on String {
  String tr(BuildContext context) => TomlLocalizations.of(context)!.value(this);
}

Se you could translate strings like this:

'Hi'.tr(context)

Example #

See example

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Publisher

verified publisherapptakk.com

A minimal TOML localization package built on LocalizationsDelegate.

Repository (GitHub)
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Documentation

API reference

License

MIT (license)

Dependencies

flutter, toml

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Packages that depend on toml_localizations