public void Start()
{
ProgressIndicator.Instance.Open("Loading application config...");
#if WINDOWS_UWP
// On UWP platform, try and scan for QR code for 60 seconds.
// If a QR code is found, make a request to its encoded URL
// to see if it contains configuration JSON.
TextToSpeech textToSpeech = GetComponent <TextToSpeech>();
textToSpeech.StartSpeaking("Please scan a QR code with your session configuration.");
ProgressIndicator.Instance.SetMessage("Scanning for QR code with configuration URL...");
Debug.Log("Activating QR code scanning for 60 seconds");
try
{
MediaFrameQrProcessing.Wrappers.ZXingQrCodeScanner.ScanFirstCameraForQrCode(
result =>
{
Debug.Log("Result of QR code scanning: " + (result ?? "<none>"));
UnityEngine.WSA.Application.InvokeOnAppThread(() => { StartCoroutine(ParseConfigurationFromURL(result)); }, false);
},
TimeSpan.FromSeconds(60)
);
}
catch (Exception e)
{
ProgressIndicator.Instance.Close();
Debug.Log("Error when activating QR code scanning: " + e.ToString());
}
#else
// On non-UWP platforms, immediately notify other components
// that the configuration is ready.
OnConfigReady?.Invoke();
#endif
}
async void ParseConfigurationFromFile(string filename)
{
try
{
StorageFolder folder = ApplicationData.Current.LocalFolder;
Debug.Log("Local folder path: " + folder.Path);
StorageFile file = await folder.GetFileAsync(filename);
string json = await FileIO.ReadTextAsync(file);
Debug.Log("Config file found: " + json);
Configuration config = Configuration.CreateFromJSON(json);
demoServerURL = config.host;
}
catch (Exception)
{
Debug.Log("Config file not found.");
}
finally
{
OnConfigReady?.Invoke();
}
}
IEnumerator ParseConfigurationFromURL(string url)
{
ProgressIndicator.Instance.SetMessage("Loading application configuration...");
using (UnityWebRequest req = UnityWebRequest.Get(url))
{
yield return(req.SendWebRequest());
if (req.isNetworkError || req.isHttpError)
{
ProgressIndicator.Instance.Close();
Debug.LogError(req.downloadHandler.text);
}
else
{
Debug.Log("Loaded configuration: " + req.downloadHandler.text);
Configuration config = Configuration.CreateFromJSON(req.downloadHandler.text);
demoServerURL = config.host;
modelID = config.model;
accessToken = config.access_token;
OnConfigReady?.Invoke();
}
}
}
