private Boolean updateMarkers(ReadableArray markerArray) {
try {
// First clear all markers from the map
for (Marker marker : mapMarkers) {
marker.remove();
}
mapMarkers.clear();
markerLookup.clear();
// All markers to map
for (int i = 0; i < markerArray.size(); i++) {
ReadableMap markerJson = markerArray.getMap(i);
if (markerJson.hasKey("coordinates")) {
Marker marker = map.addMarker(createMarker(markerJson));
if (markerJson.hasKey("id")) {
// As we have to lookup it either way, switch it around
markerLookup.put(marker.getId(), markerJson.getString("id"));
markerLookup.put(markerJson.getString("id"), marker.getId().replace("m", ""));
}
mapMarkers.add(marker);
} else break;
}
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public void addMarker(ReadableMap config) {
MarkerOptions options = createMarker(config);
Marker marker = map.addMarker(options);
mapMarkers.add(marker);
if (config.hasKey("id")) {
// As we have to lookup it either way, switch it around
markerLookup.put(marker.getId(), config.getString("id"));
markerLookup.put(config.getString("id"), marker.getId().replace("m", ""));
}
}
private boolean onLocationMarkerTap(Marker marker) {
if (userPositionClickArea == null) return false;
if (userPositionClickArea2 == null) return false;
if (marker.getId().equals(userPositionClickArea.getId())
|| marker.getId().equals(userPositionClickArea2.getId())) {
if (locationMarkerTapListener != null) locationMarkerTapListener.onMarkerTapped();
return true;
}
return false;
}
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;
}