例如;{Aug 07, 2020: [Instance of 'ActivityLog', Instance of 'ActivityLog'], Aug 04, 2020: [Instance of 'ActivityLog'], Jul 29, 2020: [Instance of 'ActivityLog'], Jul 28, 2020: [Instance of 'ActivityLog']}{Aug 07, 2020: [{MapData}, {MapData}], Aug 04, 2
SharedPreferences.getInstance();
var valueList = keyList.mapawait SharedPreferencesUtils.getSharedPreference(key); }).toList(); print("VALUE LIST IS $valueList