public void initOverlay() {
// add marker overlay
addOverlay(39.963175, 116.400244, R.drawable.icon_marka, 9);
addOverlay(39.942821, 116.369199, R.drawable.icon_markb, 5);
MarkerOptions ooC = (MarkerOptions) addOverlay(39.939723, 116.425541, R.drawable.icon_markc, 7);
MarkerOptions ooD = (MarkerOptions) addOverlay(39.906965, 116.401394, R.drawable.icon_markd, 0);
ooC.perspective(false).anchor(0.5f, 0.5f).rotate(30);
ooD.period(10);
// ArrayList<BitmapDescriptor> giflist = new ArrayList<BitmapDescriptor>();
// giflist.add(bdA);
// giflist.add(bdB);
// giflist.add(bdC);
BitmapDescriptor bd = BitmapDescriptorFactory.fromResource(R.drawable.icon_gcoding);
mBitmapList.add(bd);
// add ground overlay
LatLng southwest = new LatLng(39.92235, 116.380338);
LatLng northeast = new LatLng(39.947246, 116.414977);
LatLngBounds bounds = new LatLngBounds.Builder().include(northeast).include(southwest).build();
BitmapDescriptor bdGround = BitmapDescriptorFactory.fromResource(R.drawable.ground_overlay);
mBitmapList.add(bdGround);
OverlayOptions ooGround =
new GroundOverlayOptions().positionFromBounds(bounds).image(bdGround).transparency(0.8f);
mBaiduMap.addOverlay(ooGround);
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(bounds.getCenter());
mBaiduMap.setMapStatus(u);
mBaiduMap.setOnMarkerDragListener(
new OnMarkerDragListener() {
public void onMarkerDrag(Marker marker) {}
public void onMarkerDragEnd(Marker marker) {
Toast.makeText(
OverlayDemo.this,
"拖拽结束，新位置："
+ marker.getPosition().latitude
+ ", "
+ marker.getPosition().longitude,
Toast.LENGTH_LONG)
.show();
}
public void onMarkerDragStart(Marker marker) {}
});
}
private void perform(MarkerModifier markerModifier) {
// Don't show small clusters. Render the markers inside, instead.
if (!shouldRenderAsCluster(cluster)) {
for (T item : cluster.getItems()) {
Marker marker = mMarkerCache.get(item);
MarkerWithPosition markerWithPosition;
if (marker == null) {
MarkerOptions markerOptions = new MarkerOptions();
if (animateFrom != null) {
markerOptions.position(animateFrom);
markerOptions.icon(item.getBitmapDescriptor());
} else {
markerOptions.position(item.getPosition());
markerOptions.icon(item.getBitmapDescriptor());
}
onBeforeClusterItemRendered(item, markerOptions);
marker = mClusterManager.getMarkerCollection().addMarker(markerOptions);
markerWithPosition = new MarkerWithPosition(marker);
mMarkerCache.put(item, marker);
if (animateFrom != null) {
markerModifier.animate(markerWithPosition, animateFrom, item.getPosition());
}
} else {
markerWithPosition = new MarkerWithPosition(marker);
}
onClusterItemRendered(item, marker);
newMarkers.add(markerWithPosition);
}
return;
}
MarkerOptions markerOptions =
new MarkerOptions().position(animateFrom == null ? cluster.getPosition() : animateFrom);
onBeforeClusterRendered(cluster, markerOptions);
Marker marker = mClusterManager.getClusterMarkerCollection().addMarker(markerOptions);
mMarkerToCluster.put(marker, cluster);
mClusterToMarker.put(cluster, marker);
MarkerWithPosition markerWithPosition = new MarkerWithPosition(marker);
if (animateFrom != null) {
markerModifier.animate(markerWithPosition, animateFrom, cluster.getPosition());
}
onClusterRendered(cluster, marker);
newMarkers.add(markerWithPosition);
}
/**
* er for a Cluster is added to the map. Called before the mark The default implementation draws a
* circle with a rough count of the number of items.
*/
protected void onBeforeClusterRendered(Cluster<T> cluster, MarkerOptions markerOptions) {
int bucket = getBucket(cluster);
BitmapDescriptor descriptor = mIcons.get(bucket);
if (descriptor == null) {
mColoredCircleBackground.getPaint().setColor(getColor(bucket));
descriptor =
BitmapDescriptorFactory.fromBitmap(mIconGenerator.makeIcon(getClusterText(bucket)));
mIcons.put(bucket, descriptor);
}
// TODO: consider adding anchor(.5, .5) (Individual markers will overlap more often)
markerOptions.icon(descriptor);
}
@Override
public void onRelation(final EntityLocation entityLocation, final boolean auto) {
if (mWaitfor != null) {
mWaitfor.close();
mWaitfor = null;
}
if (!auto) {
int id = R.string.request_relation_success;
if (entityLocation == null) id = R.string.request_relation_fail;
final Toast toast = Toast.makeText(this, id, Toast.LENGTH_LONG);
toast.show();
}
if (mHandler == null) mHandler = new Handler();
final int delayed = 2 * 60 * 1000;
mHandler.postDelayed(this, delayed);
if (mEntityRelation == null || entityLocation == null) {
mapViewRefresh(mLatitude, mLongitude, mZoom);
return;
}
final String to = mEntityRelation.getTo();
if (to == null) {
mapViewRefresh(mLatitude, mLongitude, mZoom);
return;
}
final String sColor = entityLocation.getColor();
final List<EntityLocations> locations = entityLocation.getLocations();
if (locations == null) {
mapViewRefresh(mLatitude, mLongitude, mZoom);
return;
}
int color = 0, alpha = 20;
try {
color = Color.parseColor(sColor);
} catch (Exception e) {
color = Color.argb(alpha, 255, 0, 0);
}
color = Color.argb(alpha, Color.red(color), Color.green(color), Color.blue(color));
if (locations.size() > 0) {
mBaiduMap.clear();
int i = 0;
for (final EntityLocations entityLocations : locations) {
addTime(sColor, entityLocations, i);
final int j = i + 1;
final String name = to.toLowerCase(Locale.ENGLISH) + j;
final double latitude = entityLocations.getLatitude();
final double longitude = entityLocations.getLongitude();
final double accuracy = entityLocations.getRadius();
if (i == 0) {
mLatitude = latitude;
mLongitude = longitude;
}
final MarkerOptions markerOptions = new MarkerOptions();
final CircleOptions circleOptions = new CircleOptions();
final LatLng latLng = new LatLng(latitude, longitude);
markerOptions.position(latLng);
circleOptions.center(latLng);
circleOptions.radius((int) accuracy);
circleOptions.fillColor(color);
circleOptions.stroke(new Stroke(1, color));
if (mBitmapDescriptor.containsKey(name)) {
final BitmapDescriptor bitmapDescriptor = mBitmapDescriptor.get(name);
markerOptions.icon(bitmapDescriptor);
mBaiduMap.addOverlay(markerOptions);
} else {
final BitmapDescriptor bitmapDescriptor = Images.getIcon(name);
if (bitmapDescriptor != null) {
markerOptions.icon(bitmapDescriptor);
mBitmapDescriptor.put(name, bitmapDescriptor);
mBaiduMap.addOverlay(markerOptions);
}
}
mBaiduMap.addOverlay(circleOptions);
i++;
}
mapViewRefresh(mLatitude, mLongitude, 17.0f, 800);
}
}
