@Override
public void updateLocationMarker(Location location) {
if (locationChangedListener != null) {
currentUserLocation = location;
locationChangedListener.onLocationChanged(location);
}
// Update clickable area
LatLng userPosition = getUserLocation(location);
if (userPositionClickArea == null) {
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(userPosition);
markerOptions.anchor(0.4f, 0.4f); // strange google maps bug
markerOptions.icon(BitmapDescriptorFactory.fromBitmap(clickableBitmap));
userPositionClickArea = googleMap.addMarker(markerOptions);
} else {
userPositionClickArea.setPosition(userPosition);
}
if (userPositionClickArea2 == null) {
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(userPosition);
markerOptions.anchor(0.6f, 0.6f); // strange google maps bug
markerOptions.icon(BitmapDescriptorFactory.fromBitmap(clickableBitmap));
userPositionClickArea2 = googleMap.addMarker(markerOptions);
} else {
userPositionClickArea2.setPosition(userPosition);
}
}
public HostRenderer() {
super(getApplicationContext(), mMap, mClusterManager);
View sameLocationMultiHostClusterView =
getLayoutInflater().inflate(R.layout.same_location_cluster_marker, null);
View singleHostMarkerView = getLayoutInflater().inflate(R.layout.location_marker, null);
mSingleLocationClusterIconGenerator.setContentView(sameLocationMultiHostClusterView);
mSingleLocationClusterIconGenerator.setBackground(null);
mSingleHostIconGenerator.setContentView(singleHostMarkerView);
mSingleHostIconGenerator.setBackground(null);
mSingleHostBitmapDescriptor =
BitmapDescriptorFactory.fromBitmap(mSingleHostIconGenerator.makeIcon());
}
private MarkerOptions createMarker(ReadableMap markerJson) {
MarkerOptions options = new MarkerOptions();
options.position(
new LatLng(
markerJson.getMap("coordinates").getDouble("lat"),
markerJson.getMap("coordinates").getDouble("lng")));
if (markerJson.hasKey("title")) {
options.title(markerJson.getString("title"));
}
if (markerJson.hasKey("color")) {
options.icon(BitmapDescriptorFactory.defaultMarker((float) markerJson.getDouble("color")));
}
if (markerJson.hasKey("snippet")) {
options.snippet(markerJson.getString("snippet"));
}
if (markerJson.hasKey("icon")) {
String varName = "";
ReadableType iconType = markerJson.getType("icon");
if (iconType.compareTo(ReadableType.Map) >= 0) {
ReadableMap icon = markerJson.getMap("icon");
try {
int resId = getResourceDrawableId(icon.getString("uri"));
Bitmap image = BitmapFactory.decodeResource(reactContext.getResources(), resId);
options.icon(
BitmapDescriptorFactory.fromBitmap(
Bitmap.createScaledBitmap(
image, icon.getInt("width"), icon.getInt("height"), true)));
} catch (Exception e) {
varName = icon.getString("uri");
}
} else if (iconType.compareTo(ReadableType.String) >= 0) {
varName = markerJson.getString("icon");
}
if (!varName.equals("")) {
// Changing marker icon to use resource
int resourceValue = getResourceDrawableId(varName);
Log.i(REACT_CLASS, varName + markerJson.toString());
options.icon(BitmapDescriptorFactory.fromResource(resourceValue));
}
}
if (markerJson.hasKey("anchor")) {
ReadableArray anchor = markerJson.getArray("anchor");
options.anchor((float) anchor.getDouble(0), (float) anchor.getDouble(1));
}
return options;
}
@Override
protected void onBeforeClusterRendered(
Cluster<HostBriefInfo> cluster, MarkerOptions markerOptions) {
if (clusterLocationStatus(cluster) == ClusterStatus.all) {
int size = cluster.getSize();
BitmapDescriptor descriptor = mIcons.get(size);
if (descriptor == null) {
// Cache new bitmaps
descriptor =
BitmapDescriptorFactory.fromBitmap(
mSingleLocationClusterIconGenerator.makeIcon(String.valueOf(size)));
mIcons.put(size, descriptor);
}
markerOptions.icon(descriptor);
} else {
super.onBeforeClusterRendered(cluster, markerOptions);
}
}
public void addMarkers(List<GridPoint> gridPointList, List<PointEntity> pointEntityList) {
clearMap();
Marker m;
LatLngBounds.Builder builder = new LatLngBounds.Builder();
for (GridPoint gridPoint : gridPointList) {
Bitmap icon =
gridPoint.getScore() > 10
? gridPoint.getScore() > 20
? BitmapFactory.decodeResource(getResources(), R.drawable.red_dot)
: BitmapFactory.decodeResource(getResources(), R.drawable.yellow_dot)
: BitmapFactory.decodeResource(getResources(), R.drawable.green_dot);
float hue =
gridPoint.getScore() > 10
? gridPoint.getScore() > 20
? BitmapDescriptorFactory.HUE_RED
: BitmapDescriptorFactory.HUE_YELLOW
: BitmapDescriptorFactory.HUE_GREEN;
markerOptions = new MarkerOptions();
markerOptions.visible(true);
markerOptions.position(
new LatLng(
gridPoint.getLocation().getLatitude().doubleValue(),
gridPoint.getLocation().getLongitude().doubleValue()));
markerOptions.draggable(false);
markerOptions.icon(BitmapDescriptorFactory.fromBitmap(icon));
// markerOptions.icon(BitmapDescriptorFactory.defaultMarker(hue));
m = googleMap.addMarker(markerOptions);
gridMap.put(m.getId(), gridPoint);
builder.include(m.getPosition());
}
for (PointEntity pointEntity : pointEntityList) {
Bitmap icon =
pointEntity.getPointType().equals(PointType.PERSON)
? BitmapFactory.decodeResource(getResources(), R.drawable.man)
: pointEntity.getPointType().equals(PointType.POLICE_STATION)
? BitmapFactory.decodeResource(getResources(), R.drawable.police)
: BitmapFactory.decodeResource(getResources(), R.drawable.hospital);
markerOptions = new MarkerOptions();
markerOptions.visible(true);
markerOptions.position(
new LatLng(
pointEntity.getLocation().getLatitude().doubleValue(),
pointEntity.getLocation().getLongitude().doubleValue()));
markerOptions.draggable(false);
markerOptions.icon(BitmapDescriptorFactory.fromBitmap(icon));
m = googleMap.addMarker(markerOptions);
pointMap.put(m.getId(), pointEntity);
builder.include(m.getPosition());
}
if (gridPointList.size() > 1) {
LatLngBounds bounds = builder.build();
CameraUpdate cu = CameraUpdateFactory.newLatLngBounds(bounds, 0);
googleMap.animateCamera(cu);
} else if (gridPointList.size() > 0) {
CameraPosition cameraPosition =
new CameraPosition.Builder()
.target(
new LatLng(
gridPointList.get(0).getLocation().getLatitude().doubleValue(),
gridPointList.get(0).getLocation().getLongitude().doubleValue()))
.zoom(zoomLevel)
.bearing(0)
.tilt(45)
.build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
}
markersDisplayed = true;
heatmapDisplayed = false;
clusterDisplayed = false;
}