oysteikt/Jisho-Study-Tool
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Code Issues Releases Activity

Make LanguageSelector choice persistent

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This commit is contained in:
Oystein Kristoffer Tveit 2021-03-05 00:38:35 +01:00
parent ef41b50f0d
commit 2476d2958d
1 changed files with 29 additions and 7 deletions
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36
lib/view/components/search/LanguageSelector.dart
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@ -1,5 +1,5 @@
import 'package:flutter/material.dart';
import 'package:shared_preferences/shared_preferences.dart';
class LanguageSelector extends StatefulWidget {
@override
@ -7,12 +7,35 @@ class LanguageSelector extends StatefulWidget {
}
class _LanguageSelectorState extends State<LanguageSelector> {
SharedPreferences prefs;
List<bool> isSelected;
@override
void initState() {
super.initState();
isSelected = [true, false, false];
isSelected = [false, false, false];
SharedPreferences.getInstance()
.then((prefs) {
this.prefs = prefs;
setState(() {
isSelected = _getSelectedStatus() ?? isSelected;
});
});
}
void _updateSelectedStatus() async {
await prefs.setStringList('languageSelectorStatus',
isSelected
.map((b) => b ? '1' : '0')
.toList());
}
List<bool> _getSelectedStatus() {
return prefs
.getStringList('languageSelectorStatus')
?.map((s) => s == '1')
?.toList();
}
@override
@ -30,6 +53,7 @@ class _LanguageSelectorState extends State<LanguageSelector> {
for (var i in Iterable.generate(isSelected.length)) {
isSelected[i] = i == buttonIndex;
}
_updateSelectedStatus();
});
},
);
@ -44,11 +68,9 @@ class _LanguageOption extends StatelessWidget {
@override
Widget build(BuildContext context) {
return Expanded(
child: Container(
padding: EdgeInsets.symmetric(vertical: 10.0, horizontal: 20.0),
child: Center(child: Text(language)),
),
return Container(
padding: EdgeInsets.symmetric(vertical: 10.0, horizontal: 20.0),
child: Center(child: Text(language)),
);
}
}