loadSetting<T> function
Implementation
Future<T?> loadSetting<T>(String name, T setting) async{
final SharedPreferences prefs = await SharedPreferences.getInstance();
String? settingJson = prefs.getString(name);
if(settingJson == null){
return null;
}
if(setting is Record){
return setting.fromMap(JsonDecoder().convert(settingJson)) as T;
}else if(setting is RecordList){
return setting.fromMap(JsonDecoder().convert(settingJson)) as T;
}else if(setting is DataSet){
return setting.fromMap(JsonDecoder().convert(settingJson)) as T;
}else{
return JsonDecoder().convert(settingJson);
}
}