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abdullh.alsoleman
Front-End
Commits
39ffce3e
Unverified
Commit
39ffce3e
authored
May 28, 2020
by
Shi-Hao Hong
Committed by
GitHub
May 28, 2020
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Update stocks example to use l10n.yaml workflow (#58121)
parent
7cdf26d0
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42 additions
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-27
l10n.yaml
dev/benchmarks/test_apps/stocks/l10n.yaml
+17
-0
regenerate.md
dev/benchmarks/test_apps/stocks/lib/i18n/regenerate.md
+11
-19
stock_strings.dart
dev/benchmarks/test_apps/stocks/lib/i18n/stock_strings.dart
+14
-8
No files found.
dev/benchmarks/test_apps/stocks/l10n.yaml
0 → 100644
View file @
39ffce3e
# Options used by the localizations tool
## `arb-dir` sets the input directory. The output directory will match
## the input directory if the output directory is not set.
arb-dir
:
lib/i18n
## `template-arb-file` describes the template arb file that the tool
## will use to check and validate the remaining arb files when
## generating Flutter's localization files.
template-arb-file
:
stocks_en.arb
## `output-localization-file` is the name of the generated file.
output-localization-file
:
stock_strings.dart
## `output-class` is the name of the localizations class your
## Flutter application will use. The file will need to be
## imported throughout your application.
output-class
:
StockStrings
## `header-file` is the file that contains a custom
## header for each of the generated files.
header-file
:
header.txt
dev/benchmarks/test_apps/stocks/lib/i18n/regenerate.md
View file @
39ffce3e
# Regenerating the i18n files
The files in this directory are used to generate
`stock_strings.dart`
, which
is used by the stocks application to look up localized message strings. The
stocks app uses the
[
Dart `intl` package
](
https://github.com/dart-lang/intl
)
.
The files in this directory are used to generate
`stock_strings.dart`
,
which contains the
`StockStrings`
class. This localizations class is
used by the stocks application to look up localized message strings.
The stocks app uses the
[
Dart `intl` package
](
https://github.com/dart-lang/intl
)
.
Rebuilding everything requires two steps.
1.
Create or update the English and Spanish localizations,
`stocks_en_US.arb`
,
`stocks_en.arb`
, and
`stocks_es.arb`
. See the
To update the English and Spanish localizations, modify the
`stocks_en_US.arb`
,
`stocks_en.arb`
, or
`stocks_es.arb`
files. See the
[
ARB specification
](
https://github.com/google/app-resource-bundle/wiki/ApplicationResourceBundleSpecification
)
for more info.
2.
With
`examples/stocks`
as the current directory, generate a
`messages_<locale>.dart`
for each
`stocks_<locale>.arb`
file,
`messages_all.dart`
, and
`stock_strings.dart`
with the following command:
```
dart
dart
$
{
FLUTTER_PATH
}/
dev
/
tools
/
localization
/
bin
/
gen_l10n
.
dart
--
arb
-
dir
=
lib
/
i18n
\
--
template
-
arb
-
file
=
stocks_en
.
arb
--
output
-
localization
-
file
=
stock_strings
.
dart
\
--
output
-
class
=
StockStrings
--
header
-
file
=
header
.
txt
```
To modify the project's configuration of the localizations tool,
change the
`l10n.yaml`
file.
The
`StockStrings`
class creates a delegate that performs message lookups
based on the locale of the device. In this case, the stocks app supports
`en`
,
`en_US`
, and
`es`
. Thus, the
`StockStringsEn`
and
`StockStringsEs`
classes extends
`StockStrings`
.
`StockStringsEnUs`
extends
`en`
,
`en_US`
, and
`es`
locales. Thus, the
`StockStringsEn`
and
`StockStringsEs`
classes extends
`StockStrings`
.
`StockStringsEnUs`
extends
`StockStringsEn`
. This allows
`StockStringsEnUs`
to fall back on messages
in
`StockStringsEn`
.
\ No newline at end of file
in
`StockStringsEn`
.
dev/benchmarks/test_apps/stocks/lib/i18n/stock_strings.dart
View file @
39ffce3e
...
...
@@ -4,17 +4,15 @@
import
'dart:async'
;
// ignore: unused_import
import
'package:flutter/foundation.dart'
;
import
'package:flutter/widgets.dart'
;
import
'package:flutter_localizations/flutter_localizations.dart'
;
// ignore: unused_import
import
'package:intl/intl.dart'
as
intl
;
import
'stock_strings_en.dart'
;
import
'stock_strings_es.dart'
;
// ignore_for_file: unnecessary_brace_in_string_interps
/// Callers can lookup localized strings with an instance of StockStrings returned
/// by `StockStrings.of(context)`.
///
...
...
@@ -42,8 +40,7 @@ import 'stock_strings_es.dart';
/// # Internationalization support.
/// flutter_localizations:
/// sdk: flutter
/// intl: 0.16.0
/// intl_translation: 0.17.7
/// intl: 0.16.1
///
/// # rest of dependencies
/// ```
...
...
@@ -99,7 +96,7 @@ abstract class StockStrings {
/// A list of this localizations delegate's supported locales.
static
const
List
<
Locale
>
supportedLocales
=
<
Locale
>[
Locale
(
'en'
),
Locale
(
'en
,
US'
),
Locale
(
'en
'
,
'
US'
),
Locale
(
'es'
)
];
...
...
@@ -129,15 +126,24 @@ class _StockStringsDelegate extends LocalizationsDelegate<StockStrings> {
}
StockStrings
_lookupStockStrings
(
Locale
locale
)
{
switch
(
locale
.
languageCode
)
{
// Lookup logic when language+country codes are specified.
switch
(
locale
.
languageCode
)
{
case
'en'
:
{
switch
(
locale
.
countryCode
)
{
case
'US'
:
return
StockStringsEnUs
();
}
return
StockStringsEn
()
;
break
;
}
}
// Lookup logic when only language code is specified.
switch
(
locale
.
languageCode
)
{
case
'en'
:
return
StockStringsEn
();
case
'es'
:
return
StockStringsEs
();
}
assert
(
false
,
'StockStrings.delegate failed to load unsupported locale "
$locale
"'
);
return
null
;
}
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