containsKey method

Future<bool> containsKey(
  1. String key
)

Check if key exists

Implementation

Future<bool> containsKey(String key) async {
  return SharedPreferences.getInstance().then((sharedPreferences) {
    return sharedPreferences.containsKey(key);
  }).catchError((error) {
    print('FlutterPlusUtils.containsKey -> $error');
  });
}