public void centerOnUserLocation() {
GeoPoint p = locationOverlay.getMyLocation();
if (p == null) {
p = new GeoPoint(MAP_CENTER_LATITUDE, MAP_CENTER_LONGITUDE);
Toast.makeText(mContext, "Sorry! Could not determine your location.", Toast.LENGTH_SHORT);
}
mapView.getController().animateTo(p);
}
public GeoPoint getCurrentUserLocation() {
return locationOverlay.getMyLocation();
}
public void enableLocationOverlay() {
locationOverlay.enableMyLocation();
locationOverlay.enableCompass();
}
public void disableLocationOverlays() {
locationOverlay.disableMyLocation();
locationOverlay.disableCompass();
}
///////////////////////////////// THIS INITIALIZES ALL THE MAP
// OVERLAYS///////////////////////////////////
private void initializeOverlays(final Context c) {
// set up location overlay
locationOverlay = new DirectionLocationOverlay(c, mapView, mResourceProxy);
locationOverlay.setLocationUpdater(locationUpdateListener);
// set up path overlay to draw the path as required
pathOverlay = new CustomPathOverlay(c);
pathOverlay.setStrokeWidth(STROKE_WIDTH);
pathOverlay.setTransparency(PATH_TRANSPARENCY);
MARKER_BASE_OFFSET =
(int)
Math.round(
-1
* mapView
.getResources()
.getDrawable(R.drawable.path_direction_marker)
.getIntrinsicHeight()
/ 1.5);
pathIndicatorOverlays =
new ItemizedIconOverlay<OverlayItem>(
new ArrayList<OverlayItem>(),
new ItemizedIconOverlay.OnItemGestureListener<OverlayItem>() {
@Override
public boolean onItemSingleTapUp(final int index, final OverlayItem item) {
balloonOverlay.setMarkerBaseOffset(MARKER_BASE_OFFSET);
balloonOverlay.setBalloonOverlay(item, 2);
mapView.getController().animateTo(item.mGeoPoint);
mapView.postInvalidate();
return true;
}
@Override
public boolean onItemLongPress(final int index, final OverlayItem item) {
return false;
}
},
mResourceProxy,
1);
// three default categories displayed. change/add/modify later as reqd
categoriesDisplayed.add(Const.ATTRACTION);
categoriesDisplayed.add(Const.BUS);
categoriesDisplayed.add(Const.TRAM);
categoriesDisplayed.add(Const.TRAIN);
categoriesDisplayed.add(Const.CABLE);
categoriesDisplayed.add(Const.BUS_INT);
categoriesDisplayed.add(Const.MRT);
categoriesDisplayed.add(Const.CABLEWAY);
// set up the poi markers as required
float densityFactor =
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP, 1, mContext.getResources().getDisplayMetrics());
markerPointsOverlay =
new ItemizedIconOverlay<OverlayItem>(
new ArrayList<OverlayItem>(),
new ItemizedIconOverlay.OnItemGestureListener<OverlayItem>() {
@Override
public boolean onItemSingleTapUp(final int index, final OverlayItem item) {
balloonOverlay.setMarkerBaseOffset(0);
balloonOverlay.setBalloonOverlay(item, 1);
mapView.getController().animateTo(item.mGeoPoint);
mapView.postInvalidate();
return true;
}
@Override
public boolean onItemLongPress(final int index, final OverlayItem item) {
if (IS_DEBUG) {
testStartPoint = item.getPoint();
Toast.makeText(
c,
"selected point: "
+ item.getPoint().getLatitudeE6()
+ ","
+ item.getPoint().getLongitudeE6(),
Toast.LENGTH_SHORT)
.show();
}
return false;
}
},
mResourceProxy,
MARKER_SCALE / densityFactor);
// set up the balloon overlay to display whenever an attraction/interchange point is tapped
balloonOverlay =
new CustomBalloonOverlay(
c,
new ItemizedIconOverlay.OnItemGestureListener<OverlayItem>() {
@Override
public boolean onItemSingleTapUp(final int index, final OverlayItem item) {
if (IS_DEBUG)
Toast.makeText(
c,
"Tapped blue arrow '"
+ item.mTitle
+ "' (index="
+ index
+ ") got single tapped up",
Toast.LENGTH_LONG)
.show();
if (item.getUid().contains("path_indicator")) {
try {
String[] idData = item.getUid().split(":");
if (idData.length > 0) {
((MapActivity) mContext).directionsPosition = Integer.parseInt(idData[0]);
}
if (((MapActivity) mContext).mapDirections != null)
((MapActivity) mContext).mapDirections.performClick();
} catch (Exception e) {
}
return true; // return if it is a path indicator balloon
}
Intent intent = new Intent(c, NodeDetailActivity.class);
intent.putExtra(Const.NODE_ID, Integer.parseInt(item.getUid()));
intent.putExtra(
Const.FlurryStrings.FlurryEventName,
Const.FlurryStrings.LocationDetailsSourceMap);
((MapActivity) c)
.startActivityForResult(intent, MapActivity.ROUTE_DESTINATION_REQUEST_CODE);
return true;
}
@Override
public boolean onItemLongPress(final int index, final OverlayItem item) {
return false;
}
});
// Adding overlays
mapView.getOverlays().add(pathOverlay);
mapView.getOverlays().add(markerPointsOverlay);
mapView.getOverlays().add(pathIndicatorOverlays);
mapView.getOverlays().add(balloonOverlay);
mapView.getOverlays().add(locationOverlay);
}
