private async void transitionToSaving(AnchorVisual visual)
{
Log.Debug("ASADemo:", "transition to saving");
currentStep = DemoStep.Saving;
enableCorrectUIControls();
Log.Debug("ASADemo", "creating anchor");
CloudSpatialAnchor cloudAnchor = new CloudSpatialAnchor();
visual.SetCloudAnchor(cloudAnchor);
cloudAnchor.LocalAnchor = visual.LocalAnchor;
try
{
var anchor = await cloudAnchorManager.CreateAnchorAsync(cloudAnchor);
String anchorId = anchor.Identifier;
Log.Debug("ASADemo:", "created anchor: " + anchorId);
visual.SetColor(savedColor);
anchorVisuals[anchorId] = visual;
anchorVisuals.Remove("");
Log.Debug("ASADemo", "recording anchor with web service");
AnchorPoster poster = new AnchorPoster(SharingAnchorsServiceUrl);
Log.Debug("ASADemo", "anchorId: " + anchorId);
var result = await poster.PostAnchorAsync(anchorId);
anchorPosted(result);
}
catch (System.Exception ex)
{
string exceptionMessage = (ex is CloudSpatialException cse) ? cse.ErrorCode.ToString() : ex.Message;
createAnchorExceptionCompletion(exceptionMessage);
visual.SetColor(failedColor);
}
}
private async void advanceDemo()
{
switch (currentDemoStep)
{
case DemoStep.SaveCloudAnchor:
AnchorVisual visual = anchorVisuals[""];
if (visual == null)
{
return;
}
if (!enoughDataForSaving)
{
return;
}
// Hide the back button until we're done
RunOnUiThread(() => backButton.Visibility = ViewStates.Gone);
setupLocalCloudAnchor(visual);
try
{
await cloudAnchorManager.CreateAnchorAsync(visual.CloudAnchor);
}
catch (System.Exception ex)
{
anchorSaveFailed(ex.Message);
}
lock (progressLock) {
RunOnUiThread(() => {
scanProgressText.Visibility = ViewStates.Gone;
scanProgressText.Text = "";
actionButton.Visibility = ViewStates.Invisible;
statusText.Text = "Saving cloud anchor...";
});
currentDemoStep = DemoStep.SavingCloudAnchor;
}
break;
case DemoStep.CreateSessionForQuery:
cloudAnchorManager.Stop();
cloudAnchorManager.Reset();
clearVisuals();
RunOnUiThread(() => {
statusText.Text = "";
actionButton.Text = "Locate anchor";
});
currentDemoStep = DemoStep.LookForAnchor;
break;
case DemoStep.LookForAnchor:
// We need to restart the session to find anchors we created.
startNewSession();
AnchorLocateCriteria criteria = new AnchorLocateCriteria();
criteria.SetIdentifiers(new string[] { anchorID });
// Cannot run more than one watcher concurrently
stopWatcher();
cloudAnchorManager.StartLocating(criteria);
RunOnUiThread(() =>
{
actionButton.Visibility = ViewStates.Invisible;
statusText.Text = "Look for anchor";
});
break;
case DemoStep.LookForNearbyAnchors:
if (anchorVisuals.Count == 0 || !anchorVisuals.ContainsKey(anchorID))
{
RunOnUiThread(() => statusText.Text = "Cannot locate nearby. Previous anchor not yet located.");
break;
}
AnchorLocateCriteria nearbyLocateCriteria = new AnchorLocateCriteria();
NearAnchorCriteria nearAnchorCriteria = new NearAnchorCriteria();
nearAnchorCriteria.DistanceInMeters = 5;
nearAnchorCriteria.SourceAnchor = anchorVisuals[anchorID].CloudAnchor;
nearbyLocateCriteria.NearAnchor = nearAnchorCriteria;
// Cannot run more than one watcher concurrently
stopWatcher();
cloudAnchorManager.StartLocating(nearbyLocateCriteria);
RunOnUiThread(() => {
actionButton.Visibility = ViewStates.Invisible;
statusText.Text = "Locating...";
});
break;
case DemoStep.End:
foreach (AnchorVisual toDeleteVisual in anchorVisuals.Values)
{
var _ = cloudAnchorManager.DeleteAnchorAsync(toDeleteVisual.CloudAnchor);
}
destroySession();
RunOnUiThread(() => {
actionButton.Text = "Restart";
statusText.Text = "";
backButton.Visibility = ViewStates.Visible;
});
currentDemoStep = DemoStep.Restart;
break;
case DemoStep.Restart:
startDemo();
break;
}
}
