CanvasListener

Address of native referenced object. nullptr if not referencing any native allocated object. Note native allocation will happen only once.

Overrides finalize that garbage collector will call when needed.

True if keeps a reference to a C++ SDK object False if keeps a C++ SDK object

Checks if this object is valid.

Raw unprocessed detection of all pointers up from screen. Action where the last pointer goes up and no pointers are left on the screen.

Single pointer double touch event. A double touch event is defined as two consecutive touches within a preset time duration in milliseconds, and distance between the two touches has to be less than a preset distance in millimeters.

Single pointer long touch event. A long touch event is defined as a pointer down longer than a preset time in milliseconds and then pointer up, and pointer movement has to be less than a preset distance in millimeters.

Single pointer move event. A single pointer move event is defined as a pointer down, followed by a move, followed by a pointer up.

Two pointers pinch event. A two pointers pinch event is defined as two pointers down, followed by moving one or both pointers toward or away from each other.

Two pointer rotating and zooming, or just zooming, swipe event.

Touch handler events listener Raw unprocessed pointer down started - used to determine when one of the other processed actions start. Set pointer down flag indicating that action started! The flag is cleared by the actual action, such as OnPinch, when it starts.

Raw unprocessed pointer move

Raw unprocessed pointer up

Called by the canvas / map view when is initialized and ready to be used

Notifies user to render the canvas

Two pointers shove event. Two pointers move with distance between pointers and pointers angle remaining inside predefined thresholds.

Single pointer swipe event. A single pointer swipe event is defined as a pointer down, followed by a swipe/fast move.

Single pointer touch down event. A touch event is defined as a pointer down and up within a preset time in milliseconds, and pointer movement has to be less than a preset distance in millimeters.

Single pointer touch move event. Touch move mode is enabled by performing a pointer touch immediately followed by a pointer down in same screen area, and then move.

Two pointers touch pinch event. Two fingers touch mode is enabled by performing a single pointer touch immediately followed by two pointers down, with one of the pointers close to the previous touch.

Two pointers double touch event. A two pointers double touch event is defined as two consecutive two-pointer touches from which the pointer ups are within a preset time in milliseconds.

Two pointers touch event. A two pointers touch event is defined as two simultaneous touches from which the pointer ups are within a preset time in milliseconds.

Notifies that canvas was resized because of the screen resize

Releases the native referenced value of this object if: