Inherits from UIViewController
Conforms to VDARSDKControllerDelegate
Declared in VDARLiveAnnotationViewController.h

Overview

Provide a view rendering and displaying live Augmented reality rendering. It also implement the AnnotationJS framework allowing to create interactive annotation in JavaScript.

Tasks

  •   annotationView

    The view on which all the annotations and camera frames are rendered.

         property
  •   displayed

    Tells wether or not this view controller is currently displayed and visible

         property
  • – stopAndUnload

    This method can be used to stop the augmented reality rendering currently running in the receiver and unload all related resources such as OpenGL context.
  • – annotationViewDidBecomeEmpty

    This method is called when all annotations are removed from the screen and nothing more is displayed to the user.
  • – annotationViewDidPresentAnnotations

    This method is called when some annotations are shown on the screen, which was previously empty.

Properties

annotationView

The view on which all the annotations and camera frames are rendered.

@property (nonatomic, readonly) VDARAnnotationView *annotationView

Discussion

The view on which all the annotations and camera frames are rendered.

Declared In

VDARLiveAnnotationViewController.h

displayed

Tells wether or not this view controller is currently displayed and visible

@property (nonatomic, readonly) BOOL displayed

Discussion

Tells wether or not this view controller is currently displayed and visible

Declared In

VDARLiveAnnotationViewController.h

Instance Methods

annotationViewDidBecomeEmpty

This method is called when all annotations are removed from the screen and nothing more is displayed to the user.

- (void)annotationViewDidBecomeEmpty

Availability

3.0.4

Discussion

This method is called when all annotations are removed from the screen and nothing more is displayed to the user.

This can be overloaded and used to show back some instructions for the users that would have been hidden when didEnterContext: is called.

By default, it does nothing.

Declared In

VDARLiveAnnotationViewController.h

annotationViewDidPresentAnnotations

This method is called when some annotations are shown on the screen, which was previously empty.

- (void)annotationViewDidPresentAnnotations

Availability

3.0.4

Discussion

This method is called when some annotations are shown on the screen, which was previously empty.

This can be overloaded and used to hide instructions from the users that would have been displayed when annotationViewDidBecomeEmpty is called.

By default, it does nothing.

See Also

Declared In

VDARLiveAnnotationViewController.h

stopAndUnload

This method can be used to stop the augmented reality rendering currently running in the receiver and unload all related resources such as OpenGL context.

- (void)stopAndUnload

Availability

2.2.1

Discussion

This method can be used to stop the augmented reality rendering currently running in the receiver and unload all related resources such as OpenGL context.

This allows the usage of an OpenGL context and camera before this view controller has been unloaded by the OS.

Declared In

VDARLiveAnnotationViewController.h