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 Anchor createAnchor(HitResult hitResult)
{
AnchorVisual visual = new AnchorVisual(hitResult.CreateAnchor());
visual.SetColor(readyColor);
visual.Render(arFragment);
anchorVisuals[""] = visual;
RunOnUiThread(() =>
{
scanProgressText.Visibility = ViewStates.Visible;
if (enoughDataForSaving)
{
statusText.Text = "Ready to save";
actionButton.Text = "Save cloud anchor";
actionButton.Visibility = ViewStates.Visible;
}
else
{
statusText.Text = "Move around the anchor";
}
});
currentDemoStep = DemoStep.SaveCloudAnchor;
return(visual.LocalAnchor);
}
private void anchorSaveFailed(String message)
{
RunOnUiThread(() => statusText.Text = message);
AnchorVisual visual = anchorVisuals[""];
visual.SetColor(failedColor);
}
private void anchorSaveSuccess(CloudSpatialAnchor result)
{
saveCount++;
anchorID = result.Identifier;
Log.Debug("ASADemo:", "created anchor: " + anchorID);
AnchorVisual visual = anchorVisuals[""];
visual.SetColor(savedColor);
anchorVisuals[anchorID] = visual;
anchorVisuals.Remove("");
if (basicDemo || saveCount == numberOfNearbyAnchors)
{
RunOnUiThread(() => {
statusText.Text = "";
actionButton.Visibility = ViewStates.Visible;
});
currentDemoStep = DemoStep.CreateSessionForQuery;
advanceDemo();
}
else
{
// Need to create more anchors for nearby demo
RunOnUiThread(() => {
statusText.Text = "Tap a surface to create next anchor";
actionButton.Visibility = ViewStates.Invisible;
});
currentDemoStep = DemoStep.CreateLocalAnchor;
}
}
private Anchor createAnchor(HitResult hitResult)
{
AnchorVisual visual = new AnchorVisual(hitResult.CreateAnchor());
visual.SetColor(readyColor);
visual.Render(arFragment);
anchorVisuals[""] = visual;
return(visual.LocalAnchor);
}
private void onTapArPlaneListener(HitResult hitResult, Plane plane, MotionEvent motionEvent)
{
if (currentStep == DemoStep.Creating)
{
AnchorVisual visual = anchorVisuals[""];
if (visual == null)
{
createAnchor(hitResult);
}
}
}
private void renderLocatedAnchor(CloudSpatialAnchor anchor)
{
AnchorVisual foundVisual = new AnchorVisual(anchor.LocalAnchor);
foundVisual.SetCloudAnchor(anchor);
foundVisual.AnchorNode.SetParent(arFragment.ArSceneView.Scene);
String cloudAnchorIdentifier = foundVisual.CloudAnchor.Identifier;
foundVisual.SetColor(foundColor);
foundVisual.Render(arFragment);
anchorVisuals[cloudAnchorIdentifier] = foundVisual;
}
private void setupLocalCloudAnchor(AnchorVisual visual)
{
CloudSpatialAnchor cloudAnchor = new CloudSpatialAnchor();
cloudAnchor.LocalAnchor = visual.LocalAnchor;
visual.SetCloudAnchor(cloudAnchor);
// In this sample app we delete the cloud anchor explicitly, but you can also set it to expire automatically
Date now = new Date();
Calendar cal = Calendar.Instance;
cal.Time = now;
cal.Add(CalendarField.Date, 7);
Date oneWeekFromNow = cal.Time;
cloudAnchor.Expiration = oneWeekFromNow;
}
private void anchorLookedUp(String anchorId)
{
Log.Debug("ASADemo", "anchor " + anchorId);
this.anchorId = anchorId;
destroySession();
cloudAnchorManager = new AzureSpatialAnchorsManager(sceneView.Session);
cloudAnchorManager.AnchorLocated += (s, e) =>
RunOnUiThread(() =>
{
CloudSpatialAnchor anchor = e.P0.Anchor;
if (e.P0.Status == LocateAnchorStatus.AlreadyTracked || e.P0.Status == LocateAnchorStatus.Located)
{
AnchorVisual foundVisual = new AnchorVisual(anchor.LocalAnchor);
foundVisual.SetCloudAnchor(anchor);
foundVisual.AnchorNode.SetParent(arFragment.ArSceneView.Scene);
String cloudAnchorIdentifier = foundVisual.CloudAnchor.Identifier;
foundVisual.SetColor(foundColor);
foundVisual.Render(arFragment);
anchorVisuals[cloudAnchorIdentifier] = foundVisual;
}
});
cloudAnchorManager.LocateAnchorsCompleted += (s, e) =>
{
currentStep = DemoStep.Choosing;
RunOnUiThread(() =>
{
textView.Text = "Anchor located!";
enableCorrectUIControls();
});
};
cloudAnchorManager.Start();
AnchorLocateCriteria criteria = new AnchorLocateCriteria();
criteria.SetIdentifiers(new string[] { anchorId });
cloudAnchorManager.StartLocating(criteria);
}
public void createButtonClicked(View v)
{
textView.Text = "Scan your environment and place an anchor";
destroySession();
cloudAnchorManager = new AzureSpatialAnchorsManager(sceneView.Session);
cloudAnchorManager.SessionUpdated += (s, args) =>
{
if (currentStep == DemoStep.Creating)
{
float progress = args.P0.Status.RecommendedForCreateProgress;
if (progress >= 1.0)
{
AnchorVisual visual = anchorVisuals[""];
if (visual != null)
{
//Transition to saving...
transitionToSaving(visual);
}
else
{
feedbackText = "Tap somewhere to place an anchor.";
}
}
else
{
feedbackText = $"Progress is {progress.ToString("P2")}";
}
}
};
cloudAnchorManager.Start();
currentStep = DemoStep.Creating;
enableCorrectUIControls();
}
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;
}
}