com.esri.android.map
Class DynamicLayer

java.lang.Object
  com.esri.android.map.Layer
      com.esri.android.map.DynamicLayer

Direct Known Subclasses:

ArcGISDynamicMapServiceLayer, ArcGISImageServiceLayer

public abstract class DynamicLayer
extends Layer

DynamicLayer is the base class for all map services that contain dynamic layers and can be added to a map. You would work with one of the sub-classes of this abstract class. (for example, ArcGISDynamicMapServiceLayer - used to represent map services that contain dynamic layers).

Field Summary

Fields inherited from class com.esri.android.map.Layer

credentials, nativeHandle, popUpInfos, serviceInfo

Constructor Summary

DynamicLayer(String url)
Constructs a dynamic layer from the service URL.

Method Summary

void	cancelPendingTasks() Cancel pending tasks.
protected long	create()
float	getBrightness() Gets the brightness of the DynamicLayer.
float	getContrast() Gets the contrast of the DynamicLayer.
float	getGamma() Gets the gamma of the DynamicLayer.
protected abstract byte[]	getImage(int width, int height, Envelope extent)
protected void	getImageAsych(int w, int h, Envelope extent, CallbackListener<byte[]> imagecallback)
protected void	initLayer() Initializes the layer.
void	recycle() Releases resources referenced by the Layer so that they can be recycled.
void	refresh() Invoke this method to fetch the map image from the associated map service and update the MapView.
protected void	requestImage(int width, int height, double minx, double miny, double maxx, double maxy)
void	setBrightness(float brightness) Sets the brightness of the DynamicLayer.
void	setContrast(float contrast) Sets the contrast of the DynamicLayer.
void	setGamma(float gamma) Sets the gamma of the DynamicLayer.

Methods inherited from class com.esri.android.map.Layer

changeStatus, finalize, getCredentials, getDefaultSpatialReference, getDpi, getExtent, getFullExtent, getHeight, getID, getInitialExtent, getName, getOpacity, getParent, getPoolExecutor, getPopupInfo, getQueryUrl, getResolution, getServiceExecutor, getSpatialReference, getTitle, getUrl, getUrlHashCode, getWidth, isInitialized, isRecycled, isShowLegend, isVisible, isWebMapBaselayer, loadServiceInfo, lock, reinitializeLayer, setCredentials, setDefaultSpatialReference, setFullExtent, setInitialExtent, setName, setOnStatusChangedListener, setOpacity, setPopupInfos, setQueryUrls, setUrl, setVisible, unlock, updateSpatialReferenceStatus, verifyCredentials

Methods inherited from class java.lang.Object

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

Constructor Detail

DynamicLayer

public DynamicLayer(String url)

Constructs a dynamic layer from the service URL.

Parameters:

url - a service URL

Since:

1.0

Method Detail

getImage

protected abstract byte[] getImage(int width,
                                   int height,
                                   Envelope extent)
                            throws Exception

Throws:

Exception

getImageAsych

protected void getImageAsych(int w,
                             int h,
                             Envelope extent,
                             CallbackListener<byte[]> imagecallback)

recycle

public void recycle()

Description copied from class: Layer

Releases resources referenced by the Layer so that they can be recycled.

Overrides:

recycle in class Layer

cancelPendingTasks

public void cancelPendingTasks()

Cancel pending tasks.

Since:

1.0

create

protected long create()

Specified by:

create in class Layer

initLayer

protected void initLayer()

Description copied from class: Layer

Initializes the layer. The implementation should submit the OnStatusChangedListener.STATUS event accordingly.

Specified by:

initLayer in class Layer

getBrightness

public float getBrightness()

Gets the brightness of the DynamicLayer.

Returns:

Returns the brightness.

Since:

1.0

setBrightness

public void setBrightness(float brightness)

Sets the brightness of the DynamicLayer.

Parameters:

brightness - The brightness to set.

Since:

1.0

getContrast

public float getContrast()

Gets the contrast of the DynamicLayer.

Returns:

Returns the contrast.

Since:

1.0

setContrast

public void setContrast(float contrast)

Sets the contrast of the DynamicLayer.

Parameters:

contrast - The contrast to set.

Since:

1.0

getGamma

public float getGamma()

Gets the gamma of the DynamicLayer.

Returns:

Returns the gamma.

Since:

1.0

setGamma

public void setGamma(float gamma)

Sets the gamma of the DynamicLayer.

Parameters:

gamma - The gamma to set.

Since:

1.0

requestImage

protected void requestImage(int width,
                            int height,
                            double minx,
                            double miny,
                            double maxx,
                            double maxy)

refresh

public void refresh()

Invoke this method to fetch the map image from the associated map service and update the MapView.

Since:

1.0