clear method

Future<bool> clear ({String key: "" })

clear item by key or clear all if key not provided

Implementation

static Future<bool> clear({String key = ""}) async {
  MmkvFlutter mmkv = await MmkvFlutter.getInstance();
  if (key.isNotEmpty) {
    return mmkv.removeByKey(key);
  }
  return mmkv.clear();
}