protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
//check to see if the device supports SceneForm
if (!CheckIsSupportedDeviceOrFinish(this))
{
return;
}
//set the content
SetContentView(Resource.Layout.activity_ux);
//set the fragment
arFragment = (ArFragment)SupportFragmentManager.FindFragmentById(Resource.Id.ux_fragment);
//load and build the model
((ModelRenderable.Builder)ModelRenderable.InvokeBuilder().SetSource(this, Resource.Raw.andy)).Build(((renderable) =>
{
andyRenderable = renderable;
}));
//add the event handler
arFragment.TapArPlane += OnTapArPlane;
}
/// <summary>
/// Loads the 3D models to use
/// </summary>
public void LoadModels()
{
ModelRenderable.InvokeBuilder().SetSource(this.context, Resource.Raw.andy).Build(renderable =>
{
modelRenderable = renderable;
});
}
internal void SetRenderable(int id, ModelRenderable renderable)
{
if (id == ANDY_RENDERABLE)
{
this.andyRenderable = renderable;
}
else
{
this.hatRenderable = renderable;
}
}
ModelRenderable SetRenderable(int id, ModelRenderable modelRenderable)
{
MainActivity activity = (MainActivity)owner.Get();
if (activity != null)
{
activity.SetRenderable(id, modelRenderable);
}
futureSet.Remove(id);
return(modelRenderable);
}
// CompletableFuture requires api level 24
// FutureReturnValueIgnored is not valid
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
if (!CheckIsSupportedDeviceOrFinish(this))
{
return;
}
SetContentView(Resource.Layout.activity_main);
arFragment = (ArFragment)SupportFragmentManager.FindFragmentById(Resource.Id.ux_fragment);
// When you build a Renderable, Sceneform loads its resources in the background while returning
// a CompletableFuture. Call thenAccept(), handle(), or check isDone() before calling get().
ModelRenderable.InvokeBuilder()
.SetSource(this, Resource.Raw.andy)
.Build()
.ThenAccept(new Consumer(t => andyRenderable = (ModelRenderable)t))
.Exceptionally(new Function(_ =>
{
Toast toast = Toast.MakeText(this, "Unable to load andy renderable", ToastLength.Long);
toast.SetGravity(GravityFlags.Center, 0, 0);
toast.Show();
return(null);
}
));
arFragment.SetOnTapArPlaneListener(new OnTapArPlaneListener((hitResult, plane, motionEvent) =>
{
if (andyRenderable == null)
{
return;
}
// Create the Anchor.
Anchor anchor = hitResult.CreateAnchor();
AnchorNode anchorNode = new AnchorNode(anchor);
anchorNode.SetParent(arFragment.ArSceneView.Scene);
// Create the transformable andy and add it to the anchor.
TransformableNode andy = new TransformableNode(arFragment.TransformationSystem);
andy.SetParent(anchorNode);
andy.Renderable = andyRenderable;
andy.Select();
}
));
}
/// <summary>
/// Gets a reference to the ViewModel and the ArFragment
/// </summary>
/// <param name="e"></param>
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.Page> e)
{
base.OnElementChanged(e);
var activity = this.Context as Activity;
this.viewModel = this.Element.BindingContext as ARViewModel;
this.view = activity.LayoutInflater.Inflate(Resource.Layout.ARLayout, this, false);
AddView(this.view);
this.arFragment = activity.GetFragmentManager().FindFragmentById(Resource.Id.ar_fragment) as ArFragment;
if (this.arFragment != null)
{
ModelRenderable.InvokeBuilder().SetSource(this.context, Resource.Raw.andy).Build(renderable =>
{
andyRenderable = renderable;
});
arFragment.TapArPlane += OnTapArPlane;
}
}
/**
* Starts loading the model specified. The result of the loading is returned asynchrounously via
* {@link MainActivity#setRenderable(int, ModelRenderable)} or {@link
* MainActivity#onException(int, Throwable)}.
*
* <p>Multiple models can be loaded at a time by specifying separate ids to differentiate the
* result on callback.
*
* @param id the id for this call to loadModel.
* @param resourceId the resource id of the .sfb to load.
* @return true if loading was initiated.
*/
internal bool LoadModel(int id, int resourceId)
{
MainActivity activity = (MainActivity)owner.Get();
if (activity == null)
{
Log.Debug(TAG, "Activity is null. Cannot load model.");
return(false);
}
CompletableFuture future =
(CompletableFuture)ModelRenderable.InvokeBuilder()
.SetSource((MainActivity)owner.Get(), resourceId)
.Build()
.ThenApply(new Function(renderable => this.SetRenderable(id, (ModelRenderable)renderable)))
.Exceptionally(new Function(throwable => this.OnException(id, (Throwable)(IJavaObject)throwable)));
if (future != null)
{
futureSet.Put(id, future);
}
return(future != null);
}
