public class PreciseMapTracker extends MapTracker
When map is changed, the handler will be notified with a larger extent than is actually visible. This "notification extent" will be the visible extent plus exterior padding around edges.
When the map is panned, the handler will not be notified of a change unless some part of the map becomes visible that was not contained in the notification extent. When the map is resized, the handler will be notified if the new area is significantly smaller. Interior padding is used to define how much smaller the visible extent + exterior padding can be before we are notified of a change. When the zoom is changed, the handler will be notified if the change in zoom exceeds the zoom threshold.
MapTracker.MapExtentChangeListenermExtent, mMapboxMap, mMapChangeEventBatcher, mMapView| Constructor and Description |
|---|
PreciseMapTracker(MapboxMap mapboxMap,
MapView mapView,
MapTracker.MapExtentChangeListener handler,
int exteriorPadding,
int interiorPadding,
float zoomThreshold,
java.lang.Long refreshDuration) |
| Modifier and Type | Method and Description |
|---|---|
LatLngExtent |
activate()
Activate the map tracker.
|
protected LatLngExtent |
buildExtent() |
void |
handleMapMove(LatLngExtent currentExtent,
double zoom) |
void |
handleMapResize(LatLngExtent currentExtent) |
convertPadding, convertRectToExtent, deactivate, getCurrentExtent, notifyHandlerpublic PreciseMapTracker(MapboxMap mapboxMap,
MapView mapView,
MapTracker.MapExtentChangeListener handler,
int exteriorPadding,
int interiorPadding,
float zoomThreshold,
java.lang.Long refreshDuration)
public void handleMapMove(LatLngExtent currentExtent,
double zoom)
public void handleMapResize(LatLngExtent currentExtent)
public LatLngExtent activate()
MapTrackeractivate in class MapTrackerprotected LatLngExtent buildExtent()
buildExtent in class MapTracker