20 lines
543 B
Dart
20 lines
543 B
Dart
|
import 'dart:convert';
|
||
|
|
|
||
|
|
import 'package:shared_preferences/shared_preferences.dart';
|
||
|
|
|
||
|
|
class JsonPrefsFile {
|
||
|
|
JsonPrefsFile(this.name);
|
||
|
|
final String name;
|
||
|
|
|
||
|
|
Future<Map<String, dynamic>> load() async {
|
||
|
|
final p = (await SharedPreferences.getInstance()).getString(name);
|
||
|
|
//print('loaded: $p');
|
||
|
|
return Map<String, dynamic>.from(jsonDecode(p ?? '{}'));
|
||
|
|
}
|
||
|
|
|
||
|
|
Future<void> save(Map<String, dynamic> data) async {
|
||
|
|
//print('saving $data');
|
||
|
|
await (await SharedPreferences.getInstance()).setString(name, jsonEncode(data));
|
||
|
|
}
|
||
|
|
}
|