GoogleMapsOverlay¶

Namespace: ThinkGeo.UI.Android

This class represents the GoogleMapsOverlay which requests images from Google's image server by its StaticAPI.

public class GoogleMapsOverlay : TileOverlay, System.IDisposable

Inheritance Object → OverlayBase → Overlay → TileOverlay → GoogleMapsOverlay
Implements IDisposable

Remarks:

This class represents the GoogleMapsOverlay which requests images from Google's image server by its StaticAPI. See http://code.google.com/apis/maps/signup.html for detail.

Properties¶

PictureFormat¶

Gets or sets a value represents the image format of the image.

public GoogleMapsPictureFormat PictureFormat { get; set; }

Property Value¶

GoogleMapsPictureFormat

MapType¶

This property gets or sets the requesting map type from Bing Maps Imagery Service.

public GoogleMapsMapType MapType { get; set; }

Property Value¶

GoogleMapsMapType

ApiKey¶

Gets or sets the Google APIKey which is from Google Maps Platforms

public string ApiKey { get; set; }

Property Value¶

String

UriSigningSecret¶

Gets or sets the uri signing secret which is from the Google Maps Platforms.

public string UriSigningSecret { get; set; }

Property Value¶

String

LayerType¶

Gets or sets the LayerType of the Overlay.

public LayerType LayerType { get; set; }

Property Value¶

LayerType

TileSizeMode¶

public TileSizeMode TileSizeMode { get; set; }

Property Value¶

TileSizeMode

TileWidth¶

Gets or sets the width of the tile.

public int TileWidth { get; set; }

Property Value¶

Int32
The width of the tile.

TileHeight¶

Gets or sets the height of the tile.

public int TileHeight { get; set; }

Property Value¶

Int32
The height of the tile.

IsCacheOnly¶

Gets or sets a value indicating whether this instance is cache only.

public bool IsCacheOnly { get; set; }

Property Value¶

Boolean
true if this instance is cache only; otherwise, false.

TileCache¶

Gets or sets the tile cache.

public RasterTileCache TileCache { get; set; }

Property Value¶

RasterTileCache
The tile cache.

TileType¶

Gets and sets the overlay is formed by multiple tiles or single tile.

public TileType TileType { get; set; }

Property Value¶

TileType
The type of the tile.

TileSnappingMode¶

Gets or sets the tile snapping mode.

public TileSnappingMode TileSnappingMode { get; set; }

Property Value¶

TileSnappingMode
The tile snapping mode.

TransitionEffect¶

Gets or sets the tile transition effect.

public TransitionEffect TransitionEffect { get; set; }

Property Value¶

TransitionEffect
The tile snapping mode.

OverlayView¶

Gets or sets the overlay view.

public MapLayout OverlayView { get; set; }

Property Value¶

MapLayout
The overlay view.

IsVisible¶

public bool IsVisible { get; set; }

Property Value¶

Boolean

Name¶

Gets or sets the name of this overaly.

public string Name { get; set; }

Property Value¶

String

DrawingExceptionMode¶

This property gets and sets the DrawingExceptionMode used when an exception occurs during drawing.

public DrawingExceptionMode DrawingExceptionMode { get; set; }

Property Value¶

DrawingExceptionMode
The drawing exception mode.

MapArguments¶

Gets or sets the map arguments.

public MapArguments MapArguments { get; set; }

Property Value¶

MapArguments
The map arguments.

Attribution¶

Gets or sets the attribution.

public string Attribution { get; set; }

Property Value¶

String
The attribution.

IsEmpty¶

Gets a value indicating whether this instance is empty.

public bool IsEmpty { get; }

Property Value¶

Boolean

Remarks:

This property enhances the performance of the overlay while drawing. If is true, we will skip drawing this overlay and continue drawing the next overlay.

DrawingQuality¶

Gets or sets the drawingQuality for this overlay.

public DrawingQuality DrawingQuality { get; set; }

Property Value¶

DrawingQuality

Opacity¶

Gets or sets the opacity for this overlay.

public double Opacity { get; set; }

Property Value¶

Double

Constructors¶

GoogleMapsOverlay()¶

Initializes a new instance of the GoogleMapsOverlay class.

public GoogleMapsOverlay()

GoogleMapsOverlay(String)¶

This is the constructor the for the class.

public GoogleMapsOverlay(string apiKey)

Parameters¶

apiKey String
The clientId for the GoogleMapsOverlay.

Remarks:

This constructor initializes a new layer and assign a license key and initialize a cache directory.

GoogleMapsOverlay(String, String)¶

This is the constructor the for the class.

public GoogleMapsOverlay(string apiKey, string uriSigningSecret)

Parameters¶

apiKey String
The clientId for the GoogleMapsOverlay.

uriSigningSecret String
The privateKey for the GoogleMapsOverlay.

Remarks:

This constructor initializes a new layer and assign a license key and initialize a cache directory.

Methods¶

GetTileCore(Context)¶

protected TileView GetTileCore(Context context)

Parameters¶

context Context

Returns¶

TileView

OpenCore()¶

protected void OpenCore()

CloseCore()¶

protected void CloseCore()

DrawTileAsyncCore(GeoCanvas, TileView)¶

protected Task DrawTileAsyncCore(GeoCanvas geoCanvas, TileView tile)

Parameters¶

geoCanvas GeoCanvas

tile TileView

Returns¶

Task

DrawTileCore(GeoCanvas, TileView)¶

protected void DrawTileCore(GeoCanvas geoCanvas, TileView tile)

Parameters¶

geoCanvas GeoCanvas

tile TileView

GetBoundingBoxCore()¶

This method returns the bounding box of the Overlay.

protected RectangleShape GetBoundingBoxCore()

Returns¶

RectangleShape
This method returns the bounding box of the Overlay.

Remarks:

This method returns the bounding box of the Overlay.

OnSendingWebRequest(SendingWebRequestEventArgs)¶

protected void OnSendingWebRequest(SendingWebRequestEventArgs e)

Parameters¶

e SendingWebRequestEventArgs

OnSentWebRequest(SentWebRequestEventArgs)¶

protected void OnSentWebRequest(SentWebRequestEventArgs e)

Parameters¶

e SentWebRequestEventArgs

Events¶

SendingWebRequest¶

public event EventHandler<SendingWebRequestEventArgs> SendingWebRequest;

SentWebRequest¶

public event EventHandler<SentWebRequestEventArgs> SentWebRequest;

DrawingException¶

Occurs before exception is drawing on map.

public event EventHandler<DrawingExceptionOverlayEventArgs> DrawingException;

DrawnException¶

Occurs after exception is drawn on map.

public event EventHandler<DrawnExceptionOverlayEventArgs> DrawnException;

Drawing¶

This event raises before the overlay is drawing.

public event EventHandler<DrawingOverlayEventArgs> Drawing;

Drawn¶

This event raises after the overlay is drawn.

public event EventHandler<DrawnOverlayEventArgs> Drawn;