clearSavedSettings method
Implementation
Future<bool> clearSavedSettings() async {
var prefs = await SharedPreferences.getInstance();
await prefs.remove('userIgnoredVersion');
await prefs.remove('lastTimeAlerted');
await prefs.remove('lastVersionAlerted');
_userIgnoredVersion = null;
_lastTimeAlerted = null;
_lastVersionAlerted = null;
return true;
}