getDateTime method
Implementation
Future<DateTime?> getDateTime(String prefKey) async {
final SharedPreferences prefs = await SharedPreferences.getInstance();
Pref? p = getPref(prefKey);
if (p == null) {
return null;
} else if (prefs.getString(prefKey) == null) {
return DateTime.parse(p.defVal.toString());
} else {
return DateTime.parse(prefs.getString(prefKey)!);
}
}