/// <summary>
/// Gets a new QR Code texture to show to the user to enable them to pair your game/app/device with Allow2.
/// Call this to get a new QR Code any time the user changes the name of the device.
/// Note this is debounced automatically, so just keep calling it immediately (even if the user is still typing).
/// </summary>
/// <param name="behaviour">Provide a (any) MonoBehaviour for the sdk to use to call the platform.</param>
/// <param name="deviceName">The name the user would like to use to identify this app/game/device.</param>
/// <param name="callback">Callback.</param>
public static void GetQR(MonoBehaviour behaviour, string deviceName, imageClosure callback)
{
DateTime now = DateTime.Now;
Debug.Log(qrDebounce.CompareTo(now));
if ((qrCall != null) && (qrDebounce.CompareTo(now) > 0))
{
Debug.Log("debounce " + qrDebounce.ToShortTimeString() + " < " + now.ToShortTimeString());
IEnumerator oldCall = qrCall;
qrCall = null;
behaviour.StopCoroutine(oldCall);
}
qrDebounce = now.AddMilliseconds(QRDebounceDelay);
qrCall = _GetQR(deviceName, callback);
behaviour.StartCoroutine(qrCall);
}
static IEnumerator _GetQR(string deviceName, imageClosure callback)
{
yield return(new WaitForSeconds(QRDebounceDelay / 1000));
string qrURL = ApiUrl + "/genqr/" +
UnityWebRequest.EscapeURL(_deviceToken) + "/" +
UnityWebRequest.EscapeURL(uuid) + "/" +
UnityWebRequest.EscapeURL(deviceName);
UnityWebRequest www = UnityWebRequestTexture.GetTexture(qrURL);
yield return(www.SendWebRequest());
if (www.isNetworkError || www.isHttpError)
{
Debug.Log("QR LOAD ERROR: " + www.error);
Texture errorImage = Resources.Load("Allow2/QRError") as Texture2D;
callback(www.error, null);
yield break;
}
Texture2D qrCode = DownloadHandlerTexture.GetContent(www);
callback(null, qrCode);
}
