public void addHeatMap(List<GridPoint> gridPointList) {
clearMap();
List<LatLng> list = new ArrayList<LatLng>();
LatLngBounds.Builder builder = new LatLngBounds.Builder();
LatLng latLng = null;
for (GridPoint gridPoint : gridPointList) {
latLng =
new LatLng(
gridPoint.getLocation().getLatitude().doubleValue(),
gridPoint.getLocation().getLongitude().doubleValue());
list.add(latLng);
builder.include(latLng);
}
if (list.size() < 1) {
return;
}
mProvider = new HeatmapTileProvider.Builder().data(list).build();
mOverlay = googleMap.addTileOverlay(new TileOverlayOptions().tileProvider(mProvider));
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(latLng).zoom(zoomLevel).bearing(0).tilt(45).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
}
markersDisplayed = false;
heatmapDisplayed = true;
clusterDisplayed = false;
}
public void setZoomLevel(int zoomLevel) {
this.zoomLevel = zoomLevel;
if (googleMap != null) {
CameraUpdate zoom = CameraUpdateFactory.zoomTo(this.zoomLevel);
googleMap.animateCamera(zoom);
}
}
public Boolean centreMapAt(double lat, double lng) {
if (googleMap != null) {
LatLng location = new LatLng(lat, lng);
CameraPosition cameraPosition =
new CameraPosition.Builder().target(location).zoom(zoomLevel).bearing(0).tilt(45).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
return true;
}
return false;
}
public void addCluster(List<GridPoint> complaintDtos) {
clearMap();
GoogleMapCluster googleMapCluster;
LatLngBounds.Builder builder = new LatLngBounds.Builder();
ClusterManager<GoogleMapCluster> mClusterManager;
mClusterManager = new ClusterManager<GoogleMapCluster>(getActivity(), googleMap);
googleMap.setOnCameraChangeListener(mClusterManager);
googleMap.setOnMarkerClickListener(mClusterManager);
for (GridPoint complaintDto : complaintDtos) {
googleMapCluster =
new GoogleMapCluster(
complaintDto.getLocation().getLatitude().doubleValue(),
complaintDto.getLocation().getLongitude().doubleValue());
mClusterManager.addItem(googleMapCluster);
builder.include(googleMapCluster.getPosition());
}
if (complaintDtos.size() > 1) {
LatLngBounds bounds = builder.build();
CameraUpdate cu = CameraUpdateFactory.newLatLngBounds(bounds, 0);
googleMap.animateCamera(cu);
} else if (complaintDtos.size() > 0) {
CameraPosition cameraPosition =
new CameraPosition.Builder()
.target(
new LatLng(
complaintDtos.get(0).getLocation().getLatitude().doubleValue(),
complaintDtos.get(0).getLocation().getLongitude().doubleValue()))
.zoom(zoomLevel)
.bearing(0)
.tilt(45)
.build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
}
markersDisplayed = false;
heatmapDisplayed = false;
clusterDisplayed = true;
}
public void updateMarkerLocation(double lat, double lng) {
LatLng location = new LatLng(lat, lng);
if (marker == null) {
markerOptions = new MarkerOptions();
markerOptions.visible(true);
markerOptions.position(location);
markerOptions.draggable(draggable);
marker = googleMap.addMarker(markerOptions);
}
CameraPosition cameraPosition =
new CameraPosition.Builder().target(location).zoom(zoomLevel).bearing(0).tilt(45).build();
googleMap.animateCamera(CameraUpdateFactory.newCameraPosition(cameraPosition));
marker.setPosition(location);
}
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;
}