org.ros.android.view.visualization.layer

Class CameraControlLayer

java.lang.Object

org.ros.android.view.visualization.layer.DefaultLayer

org.ros.android.view.visualization.layer.CameraControlLayer

All Implemented Interfaces:

Layer, OpenGlDrawable

public class CameraControlLayer
extends DefaultLayer

Provides gesture control of the camera for translate, rotate, and zoom.

Constructor Summary

Constructors

Constructor and Description
CameraControlLayer(Context context, java.util.concurrent.ExecutorService executorService) Creates a new CameraControlLayer.

Method Summary

Methods

Modifier and Type	Method and Description
void	addListener(CameraControlListener listener)
void	onStart(org.ros.node.ConnectedNode connectedNode, Handler handler, org.ros.rosjava_geometry.FrameTransformTree frameTransformTree, Camera camera) Called when the layer is registered at the navigation view.
boolean	onTouchEvent(VisualizationView view, MotionEvent event) Event handler for touch events.

Methods inherited from class org.ros.android.view.visualization.layer.DefaultLayer

draw, onShutdown

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CameraControlLayer

public CameraControlLayer(Context context,
                  java.util.concurrent.ExecutorService executorService)

Creates a new CameraControlLayer.

The camera's frame will be set to frame once when this layer is started and always when the camera is translated.

Parameters:

context - the application's Context

executorService -

Method Detail

addListener

public void addListener(CameraControlListener listener)

onTouchEvent

public boolean onTouchEvent(VisualizationView view,
                   MotionEvent event)

Description copied from interface: Layer

Event handler for touch events.

Specified by:

onTouchEvent in interface Layer

Overrides:

onTouchEvent in class DefaultLayer

Parameters:

view - the view generating the event

event - the touch event

Returns:

true if the event has been handled

onStart

public void onStart(org.ros.node.ConnectedNode connectedNode,
           Handler handler,
           org.ros.rosjava_geometry.FrameTransformTree frameTransformTree,
           Camera camera)

Description copied from interface: Layer

Called when the layer is registered at the navigation view.

Specified by:

onStart in interface Layer

Overrides:

onStart in class DefaultLayer