static Guid GetGuid(string key)
{
var value = Preferences2.Get(key, null);
if (!(!string.IsNullOrWhiteSpace(value) && ShortGuid.TryParse(value, out Guid guid)))
{
guid = Guid.NewGuid();
Preferences2.Set(key, guid.ToStringS());
}
return(guid);
}
static string Get(string key)
{
var value = Preferences2.Get(key, null);
if (string.IsNullOrWhiteSpace(value))
{
value = Random2.GenerateRandomString(DeviceIdRLength, _Constants.DigitsLetters);
Preferences2.Set(key, value);
}
return(value);
}
static void WriteHistory(string key, IEnumerable <string> history)
=> Preferences2.Set(key, string.Join("|", history), sharedName);