@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);
}
}
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;
}
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());
}
@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 class LocationActivity extends BaseActivity implements OnGetGeoCoderResultListener {
public static final int SEND = 0;
public static final String TYPE = "type";
public static final String TYPE_SELECT = "select";
public static final String LATITUDE = "latitude";
public static final String LONGITUDE = "longitude";
public static final String TYPE_SCAN = "scan";
public static final String ADDRESS = "address";
private static BDLocation lastLocation = null;
private LocationClient locClient;
private MyLocationListener myListener = new MyLocationListener();
private MapView mapView;
private BaiduMap baiduMap;
private BaiduReceiver receiver;
private GeoCoder geoCoder = null;
private BitmapDescriptor descriptor =
BitmapDescriptorFactory.fromResource(R.drawable.chat_location_activity_icon_geo);
private String intentType;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.chat_location_activity);
initBaiduMap();
}
private void initBaiduMap() {
mapView = (MapView) findViewById(R.id.bmapView);
baiduMap = mapView.getMap();
baiduMap.setMaxAndMinZoomLevel(18, 13);
IntentFilter iFilter = new IntentFilter();
iFilter.addAction(SDKInitializer.SDK_BROADTCAST_ACTION_STRING_PERMISSION_CHECK_ERROR);
iFilter.addAction(SDKInitializer.SDK_BROADCAST_ACTION_STRING_NETWORK_ERROR);
receiver = new BaiduReceiver();
registerReceiver(receiver, iFilter);
geoCoder = GeoCoder.newInstance();
geoCoder.setOnGetGeoCodeResultListener(this);
Intent intent = getIntent();
intentType = intent.getStringExtra(TYPE);
initActionBar(R.string.chat_position);
if (intentType.equals(TYPE_SELECT)) {
// 选择发送位置
// 开启定位图层
baiduMap.setMyLocationEnabled(true);
baiduMap.setMyLocationConfigeration(
new MyLocationConfigeration(MyLocationConfigeration.LocationMode.NORMAL, true, null));
// 定位初始化
locClient = new LocationClient(this);
locClient.registerLocationListener(myListener);
LocationClientOption option = new LocationClientOption();
option.setProdName("avosim");
option.setOpenGps(true);
option.setCoorType("bd09ll");
option.setScanSpan(1000);
option.setOpenGps(true);
option.setIsNeedAddress(true);
option.setIgnoreKillProcess(true);
locClient.setLocOption(option);
locClient.start();
if (locClient != null && locClient.isStarted()) {
locClient.requestLocation();
}
if (lastLocation != null) {
// 显示在地图上
LatLng ll = new LatLng(lastLocation.getLatitude(), lastLocation.getLongitude());
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
baiduMap.animateMapStatus(u);
}
} else {
Bundle b = intent.getExtras();
LatLng latlng = new LatLng(b.getDouble(LATITUDE), b.getDouble(LONGITUDE)); // 维度在前，经度在后
baiduMap.setMapStatus(MapStatusUpdateFactory.newLatLng(latlng));
OverlayOptions ooA = new MarkerOptions().position(latlng).icon(descriptor).zIndex(9);
baiduMap.addOverlay(ooA);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
if (intentType != null && intentType.equals(TYPE_SELECT)) {
MenuItem add = menu.add(0, SEND, 0, R.string.chat_location_activity_send);
alwaysShowMenuItem(add);
}
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onMenuItemSelected(int featureId, MenuItem item) {
int id = item.getItemId();
if (id == SEND) {
gotoChatPage();
}
return super.onMenuItemSelected(featureId, item);
}
private void gotoChatPage() {
if (lastLocation != null) {
Intent intent = new Intent();
intent.putExtra(LATITUDE, lastLocation.getLatitude()); // 经度
intent.putExtra(LONGITUDE, lastLocation.getLongitude()); // 维度
intent.putExtra(ADDRESS, lastLocation.getAddrStr());
setResult(RESULT_OK, intent);
this.finish();
} else {
toast(R.string.chat_getGeoInfoFailed);
}
}
@Override
public void onGetGeoCodeResult(GeoCodeResult arg0) {
// TODO Auto-generated method stub
}
@Override
public void onGetReverseGeoCodeResult(ReverseGeoCodeResult result) {
// TODO Auto-generated method stub
if (result == null || result.error != SearchResult.ERRORNO.NO_ERROR) {
toast(getString(R.string.chat_cannotFindResult));
return;
}
Logger.d(getString(R.string.chat_reverseGeoCodeResultIs) + result.getAddress());
lastLocation.setAddrStr(result.getAddress());
}
@Override
protected void onPause() {
mapView.onPause();
super.onPause();
lastLocation = null;
}
@Override
protected void onResume() {
mapView.onResume();
super.onResume();
}
@Override
protected void onDestroy() {
if (locClient != null && locClient.isStarted()) {
// 退出时销毁定位
locClient.stop();
}
// 关闭定位图层
baiduMap.setMyLocationEnabled(false);
mapView.onDestroy();
mapView = null;
// 取消监听 SDK 广播
unregisterReceiver(receiver);
super.onDestroy();
// 回收 bitmap 资源
descriptor.recycle();
}
public static void startToSeeLocationDetail(Context ctx, double latitude, double longitude) {
Intent intent = new Intent(ctx, LocationActivity.class);
intent.putExtra(LocationActivity.TYPE, LocationActivity.TYPE_SCAN);
intent.putExtra(LocationActivity.LATITUDE, latitude);
intent.putExtra(LocationActivity.LONGITUDE, longitude);
ctx.startActivity(intent);
}
public static void startToSelectLocationForResult(Activity from, int requestCode) {
Intent intent = new Intent(from, LocationActivity.class);
intent.putExtra(LocationActivity.TYPE, LocationActivity.TYPE_SELECT);
from.startActivityForResult(intent, requestCode);
}
/** 定位SDK监听函数 */
public class MyLocationListener implements BDLocationListener {
@Override
public void onReceiveLocation(BDLocation location) {
// map view 销毁后不在处理新接收的位置
if (location == null || mapView == null) return;
if (lastLocation != null) {
if (lastLocation.getLatitude() == location.getLatitude()
&& lastLocation.getLongitude() == location.getLongitude()) {
Logger.d(getString(R.string.chat_geoIsSame)); // 若两次请求获取到的地理位置坐标是相同的，则不再定位
locClient.stop();
return;
}
}
lastLocation = location;
Logger.d(
"lontitude = "
+ location.getLongitude()
+ ",latitude = "
+ location.getLatitude()
+ ","
+ getString(R.string.chat_position)
+ " = "
+ lastLocation.getAddrStr());
MyLocationData locData =
new MyLocationData.Builder()
.accuracy(location.getRadius())
// 此处设置开发者获取到的方向信息，顺时针0-360
.direction(100)
.latitude(location.getLatitude())
.longitude(location.getLongitude())
.build();
baiduMap.setMyLocationData(locData);
LatLng ll = new LatLng(location.getLatitude(), location.getLongitude());
String address = location.getAddrStr();
if (address != null && !address.equals("")) {
lastLocation.setAddrStr(address);
} else {
// 反Geo搜索
geoCoder.reverseGeoCode(new ReverseGeoCodeOption().location(ll));
}
// 显示在地图上
MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
baiduMap.animateMapStatus(u);
// 设置按钮可点击
}
}
/** 构造广播监听类，监听 SDK key 验证以及网络异常广播 */
public class BaiduReceiver extends BroadcastReceiver {
public void onReceive(Context context, Intent intent) {
String s = intent.getAction();
if (s.equals(SDKInitializer.SDK_BROADTCAST_ACTION_STRING_PERMISSION_CHECK_ERROR)) {
toast(getString(R.string.chat_location_mapKeyErrorTips));
} else if (s.equals(SDKInitializer.SDK_BROADCAST_ACTION_STRING_NETWORK_ERROR)) {
toast(getString(R.string.chat_pleaseCheckNetwork));
}
}
}
}
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;
}