Example usage for com.google.gwt.geolocation.client Geolocation isSupported

Introduction

In this page you can find the example usage for com.google.gwt.geolocation.client Geolocation isSupported.

Prototype

public static boolean isSupported() 

Source Link

Document

Returns true if the browser supports geolocation.

Usage

From source file:com.google.maps.gwt.samples.basics.client.MapGeolocation.java

License:Apache License

@Override
public void onModuleLoad() {
    final MapOptions myOptions = MapOptions.create();
    myOptions.setZoom(14.0);/*from   w w  w. j  a  va  2 s.  c o  m*/
    myOptions.setMapTypeId(MapTypeId.ROADMAP);

    map = GoogleMap.create(Document.get().getElementById("map_canvas"), myOptions);

    // Try W3C Geolocation (Preferred)
    if (Geolocation.isSupported()) {
        browserSupportFlag = true;
        Geolocation.getIfSupported().getCurrentPosition(new Callback<Position, PositionError>() {

            @Override
            public void onSuccess(Position result) {
                Coordinates coords = result.getCoordinates();
                initialLocation = LatLng.create(coords.getLatitude(), coords.getLongitude());
                map.setCenter(initialLocation);
            }

            @Override
            public void onFailure(PositionError reason) {
                MapGeolocation.this.handleNoGeolocation(browserSupportFlag);
            }
        });
    } else {
        browserSupportFlag = false;
        handleNoGeolocation(browserSupportFlag);
    }
}

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