public void SavePreferenceState(PlayerPreferenceState preferenceState)
{
JsonMapper.RegisterImporter((double value) => Convert.ToSingle(value));
JsonMapper.RegisterExporter <float>((value, writer) => writer.Write(Convert.ToDouble(value)));
string playerPreferencesJson = JsonMapper.ToJson(preferenceState);
PlayerPrefs.SetString(UNITY_PREF_KEY_NAME, playerPreferencesJson);
}
public PlayerPreferenceManager(IPreferenceStateProvider stateProvider)
{
this.stateProvider = stateProvider;
state = stateProvider.GetPreferenceState();
}