How to load localized JSON asset in Flutter-CodePudding

I have a localized Android Flutter app. I configured localization following these instructions. This works (although it feels unnecessarily complicated), and I am able to use localized strings throughout the app, but I cannot figure out how to load a localized asset JSON file.

I tried to store asset path as a localized string. But when I try to load the path from statefull widget's initState I get an error.

@override
void initState() {
    var t = AppLocalizations.of(context);
    await rootBundle.load(t!.localizedJsonPath);
    super.initState();
}

FlutterError (dependOnInheritedWidgetOfExactType<_LocalizationsScope>() or dependOnInheritedElement() was called before _MyScreenState.initState() completed.

Note that above approach works fine if I hard code the JSON asset file path. It only fails when I try to load the localized string.

What am I doing wrong?

If there is a better way to load localized assets I will accept that as an answer. Flutter documentation mentions asset variants for image resolution and themes, but I could not find anything for localization.

CodePudding user response：

The error you are getting appears to be with your context.

var t = AppLocalizations.of(context);

is called inside initState. However, your init state is called before your widget has a context, because it didn't build yet. So what you can try to do is use didChangeDependencies() instead of initState, like that:

@override
  void didChangeDependencies() {
        var t = AppLocalizations.of(context);
        await rootBundle.load(t!.localizedJsonPath);
    super.didChangeDependencies();
  }

and one more thing: init state is not async, so try toawait the methods you call does not really work. keep me updated if your problem still persist!