com.amap.api.services.core.LatLonPoint Java Examples

/**
 * 添加公交线路到地图中。
 *
 * @since V2.1.0
 */
public void addToMap() {
    try {
        List<LatLonPoint> pointList = mBusLineItem.getDirectionsCoordinates();
        List<LatLng> listPolyline = AMapServicesUtil.convertArrList(pointList);
        mBusLinePolyline = mAMap.addPolyline(new PolylineOptions()
                .addAll(listPolyline).color(getBusColor())
                .width(getBuslineWidth()));
        if (mBusStations.size() < 1) {
            return;
        }
        for (int i = 1; i < mBusStations.size() - 1; i++) {
            Marker marker = mAMap.addMarker(getMarkerOptions(i));
            mBusStationMarks.add(marker);
        }
        Marker markerStart = mAMap.addMarker(getMarkerOptions(0));
        mBusStationMarks.add(markerStart);
        Marker markerEnd = mAMap
                .addMarker(getMarkerOptions(mBusStations.size() - 1));
        mBusStationMarks.add(markerEnd);
    } catch (Throwable e) {
        e.printStackTrace();
    }

}
 

private void addThroughPointMarker() {
    if (this.throughPointList != null && this.throughPointList.size() > 0) {
        LatLonPoint latLonPoint = null;
        for (int i = 0; i < this.throughPointList.size(); i++) {
            latLonPoint = this.throughPointList.get(i);
            if (latLonPoint != null) {
                throughPointMarkerList.add(mAMap
                        .addMarker((new MarkerOptions())
                                .position(
                                        new LatLng(latLonPoint
                                                .getLatitude(), latLonPoint
                                                .getLongitude()))
                                .visible(throughPointMarkerVisible)
                                .icon(getThroughPointBitDes())
                                .title("\u9014\u7ECF\u70B9")));
            }
        }
    }
}
 

/**
 * 开始搜索路径规划方案
 */
public void searchDistanceResult(int mode) {
	showProgressDialog();
	DistanceSearch.DistanceQuery distanceQuery = new DistanceSearch.DistanceQuery();

	List<LatLonPoint> latLonPoints = new ArrayList<LatLonPoint>();
	latLonPoints.add(start0);
	latLonPoints.add(start1);
	latLonPoints.add(start2);
	latLonPoints.add(start3);
	distanceQuery.setOrigins(latLonPoints);
	distanceQuery.setDestination(dest);
	distanceQuery.setType(mode);

	distanceSearch.calculateRouteDistanceAsyn(distanceQuery);
}
 

/**
 * 响应逆地理编码的批量请求
 */
private void getAddresses() {
	List<LatLonPoint> geopointlist = readLatLonPoints();
	for (final LatLonPoint point : geopointlist) {
		ThreadUtil.getInstance().execute(new Runnable() {
			@Override
			public void run() {
				try {
					RegeocodeQuery query = new RegeocodeQuery(point, 200,
							GeocodeSearch.AMAP);// 第一个参数表示一个Latlng，第二参数表示范围多少米，第三个参数表示是火系坐标系还是GPS原生坐标系
					RegeocodeAddress result = geocoderSearch.getFromLocation(query);// 设置同步逆地理编码请求

					if (result != null && result.getFormatAddress() != null) {
						aMap.addMarker(new MarkerOptions()
								.position(new LatLng(point.getLatitude(), point.getLongitude()))
								.title(result.getFormatAddress()));
					}
				} catch (AMapException e) {
					Message msg = msgHandler.obtainMessage();
					msg.arg1 = e.getErrorCode();
					msgHandler.sendMessage(msg);
				}
			}
		});
	}
}
 

/**
 * 定位成功后回调函数
 */
@Override
public void onLocationChanged(AMapLocation aLocation) {
    if (mListener != null && aLocation != null && aLocation.getAMapException().getErrorCode() == 0) {
        mListener.onLocationChanged(aLocation);// 显示系统小蓝点
        marker.setPosition(new LatLng(aLocation.getLatitude(), aLocation
                .getLongitude()));// 定位雷达小图标
        float bearing = aMap.getCameraPosition().bearing;
        aMap.setMyLocationRotateAngle(bearing);// 设置小蓝点旋转角度
        aMap.getMinZoomLevel();
        double a = aLocation.getLatitude();// 维度
        double b = aLocation.getLongitude();// 精度

        lp = new LatLonPoint(a, b);

        doSearchQuery();
    }
}
 

private void addThroughPointMarker() {
    if (this.throughPointList != null && this.throughPointList.size() > 0) {
        LatLonPoint latLonPoint = null;
        for (int i = 0; i < this.throughPointList.size(); i++) {
            latLonPoint = this.throughPointList.get(i);
            if (latLonPoint != null) {
                throughPointMarkerList.add(mAMap
                        .addMarker((new MarkerOptions())
                                .position(
                                        new LatLng(latLonPoint
                                                .getLatitude(), latLonPoint
                                                .getLongitude()))
                                .visible(throughPointMarkerVisible)
                                .icon(getThroughPointBitDes())
                                .title("\u9014\u7ECF\u70B9")));
            }
        }
    }
}
 

/**
 * 获取行政区划的信息字符串
 * @param districtItem
 * @return
 */
private String getDistrictInfoStr(DistrictItem districtItem){
	StringBuffer sb = new StringBuffer();
	String name = districtItem.getName();
	String adcode = districtItem.getAdcode();
	String level = districtItem.getLevel();
	String citycode = districtItem.getCitycode();
	LatLonPoint center = districtItem.getCenter();
	sb.append("区划名称:" + name + "\n");
	sb.append("区域编码:" + adcode + "\n");
	sb.append("城市编码:" + citycode + "\n");
	sb.append("区划级别:" + level + "\n");
	if (null != center) {
		sb.append("经纬度:(" + center.getLongitude() + ", "
				+ center.getLatitude() + ")\n");
	}
	return sb.toString();
}
 

@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
    LatLonPoint ll = list.get(position).getLatLonPoint();
    double a = ll.getLatitude();
    double b = ll.getLongitude();
    aMap.moveCamera(CameraUpdateFactory.changeLatLng(new LatLng(a, b)));

}
 

/**
 * @param busStep
 * @return
 */
private LatLonPoint getLastWalkPoint(BusStep busStep) {

	List<WalkStep> walkSteps = busStep.getWalk().getSteps();
	WalkStep walkStep = walkSteps.get(walkSteps.size() - 1);
	List<LatLonPoint> lonPoints = walkStep.getPolyline();
	return lonPoints.get(lonPoints.size() - 1);
}
 

public static ArrayList<LatLng> convertArrList(List<LatLonPoint> shapes) {
	ArrayList<LatLng> lineShapes = new ArrayList<LatLng>();
	for (LatLonPoint point : shapes) {
		LatLng latLngTemp = AMapServicesUtil.convertToLatLng(point);
		lineShapes.add(latLngTemp);
	}
	return lineShapes;
}
 

private void addBusLineSteps(List<LatLonPoint> listPoints) {
	if (listPoints.size() < 1) {
		return;
	}
	addPolyLine(new PolylineOptions().width(getRouteWidth())
			.color(getBusColor())
			.addAll(AMapUtil.convertArrList(listPoints)));
}
 

private void checkRailwayToNextWalk(BusStep busStep, BusStep busStep1) {
	LatLonPoint railwayLastPoint = busStep.getRailway().getArrivalstop().getLocation();
	LatLonPoint walkFirstPoint = getFirstWalkPoint(busStep1);
	if (!railwayLastPoint.equals(walkFirstPoint)) {
		addWalkPolyLineByLatLonPoints(railwayLastPoint, walkFirstPoint);
	}
	
}
 

/**
 *
 * checkBusToNextBusNoWalk 和这个类似
 *
 * @param busStep
 * @param busStep1
 */
private void checkBusEndToNextBusStart(BusStep busStep, BusStep busStep1) {
	LatLonPoint busLastPoint = getLastBuslinePoint(busStep);
	LatLng endbusLatLng = AMapUtil.convertToLatLng(busLastPoint);
	LatLonPoint busFirstPoint = getFirstBuslinePoint(busStep1);
	LatLng startbusLatLng = AMapUtil.convertToLatLng(busFirstPoint);
	if (!endbusLatLng.equals(startbusLatLng)) {
		drawLineArrow(endbusLatLng, startbusLatLng);//
	}
}
 

@Override
public void onMapClick(LatLng latLng) {
    if (mLastMarker != null) mLastMarker.destroy();
    mPoint = latLng;
    MarkerOptions markerOption = new MarkerOptions();
    markerOption.position(latLng);
    markerOption.icon(BitmapDescriptorFactory
            .fromResource(R.drawable.location_point_bigger_red));
    mLastMarker = aMap.addMarker(markerOption);
    mGeocoderSearch.getFromLocationAsyn(new RegeocodeQuery(new LatLonPoint(latLng.latitude,latLng.longitude), 50,GeocodeSearch.AMAP));
}
 

private void setDrivingOverlay(DrivePath drivePath, LatLonPoint start, LatLonPoint target) {
    mAmap.clear();// 清理地图上的所有覆盖物
    DrivingRouteOverlay overlay = new DrivingRouteOverlay(getActivity(), mAmap, drivePath,
            start, target, null);
    overlay.setNodeIconVisibility(false);//设置节点marker是否显示
    overlay.setIsColorfulline(true);//是否用颜色展示交通拥堵情况，默认true
    overlay.removeFromMap();
    overlay.addToMap();
    overlay.zoomToSpan();
}
 

/**
 * 检查 步行最后一点 和 bus的起点 是否一致
 *
 * @param busStep
 */
private void checkWalkToBusline(BusStep busStep) {
	LatLonPoint walkLastPoint = getLastWalkPoint(busStep);
	LatLonPoint buslineFirstPoint = getFirstBuslinePoint(busStep);

	if (!walkLastPoint.equals(buslineFirstPoint)) {
		addWalkPolyLineByLatLonPoints(walkLastPoint, buslineFirstPoint);
	}
}
 

/**
 * 取得获得的坐标并移动地图到该坐标
 * @param latLonPoint 获得的坐标
 */
@Subscribe(threadMode = ThreadMode.MAIN, sticky = true)
public void onLatLngPointEvent(LatLonPoint latLonPoint) {
    LogUtil.e(TAG, "moveToLatLngPoint()");
    mLatLng = new LatLng(latLonPoint.getLatitude(), latLonPoint.getLongitude());
    aMap.moveCamera(CameraUpdateFactory.changeLatLng(mLatLng));
}
 

/**
 * 把集合体的LatLonPoint转化为集合体的LatLng
 */
public static ArrayList<LatLng> convertArrList(List<LatLonPoint> shapes) {
	ArrayList<LatLng> lineShapes = new ArrayList<LatLng>();
	for (LatLonPoint point : shapes) {
		LatLng latLngTemp = AMapUtil.convertToLatLng(point);
		lineShapes.add(latLngTemp);
	}
	return lineShapes;
}
 

private void checkRailwayToNextWalk(BusStep busStep, BusStep busStep1) {
	LatLonPoint railwayLastPoint = busStep.getRailway().getArrivalstop().getLocation();
	LatLonPoint walkFirstPoint = getFirstWalkPoint(busStep1);
	if (!railwayLastPoint.equals(walkFirstPoint)) {
		addWalkPolyLineByLatLonPoints(railwayLastPoint, walkFirstPoint);
	}
	
}
 

private void checkBusLineToNextRailway(BusStep busStep, BusStep busStep1) {
	LatLonPoint busLastPoint = getLastBuslinePoint(busStep);
	LatLonPoint railwayFirstPoint = busStep1.getRailway().getDeparturestop().getLocation();
	if (!busLastPoint.equals(railwayFirstPoint)) {
		addWalkPolyLineByLatLonPoints(busLastPoint, railwayFirstPoint);
	}
	
}
 

@Override
public void onMyLocationChange(Location location) {
    LogUtil.e(TAG, "onMyLocationChange");
    GeocodeSearch geocoderSearch = new GeocodeSearch(getContext());
    geocoderSearch.setOnGeocodeSearchListener(this);
    LatLng latLng = new LatLng(location.getLatitude(), location.getLongitude());
    aMap.moveCamera(CameraUpdateFactory.changeLatLng(latLng));
    LatLonPoint latLonPoint = new LatLonPoint(location.getLatitude(), location.getLongitude());
    RegeocodeQuery query = new RegeocodeQuery(latLonPoint, 10000, GeocodeSearch.AMAP);
    geocoderSearch.getFromLocationAsyn(query);
}
 

private LatLonPoint getExitPoint(BusStep busStep) {
	Doorway doorway = busStep.getExit();
	if (doorway == null) {
		return null;
	}
	return doorway.getLatLonPoint();
}
 

/**
 * @param busStep
 * @return
 */
private LatLonPoint getLastWalkPoint(BusStep busStep) {

	List<WalkStep> walkSteps = busStep.getWalk().getSteps();
	WalkStep walkStep = walkSteps.get(walkSteps.size() - 1);
	List<LatLonPoint> lonPoints = walkStep.getPolyline();
	return lonPoints.get(lonPoints.size() - 1);
}
 

/**
 *
 */
private void addWalkPolyLineByLatLonPoints(LatLonPoint pointFrom,
		LatLonPoint pointTo) {
	LatLng latLngFrom = AMapUtil.convertToLatLng(pointFrom);
	LatLng latLngTo = AMapUtil.convertToLatLng(pointTo);

	addWalkPolyline(latLngFrom, latLngTo);
}
 

@Override
protected void onCreate(WriteActivity view, Bundle savedState) {
    super.onCreate(view, savedState);
    provider = new ImageProvider(getView());
    mGeocoderSearch = new GeocodeSearch(getView());
    mGeocoderSearch.setOnGeocodeSearchListener(this);
    location = LocationModel.getInstance().getCurLocation();
    if (location != null) {
        mGeocoderSearch.getFromLocationAsyn(new RegeocodeQuery(new LatLonPoint(location.getLatitude(), location.getLongitude()), 50, GeocodeSearch.AMAP));
    }
}
 

/**
 * 把集合体的LatLonPoint转化为集合体的LatLng
 */
public static ArrayList<LatLng> convertArrList(List<LatLonPoint> shapes) {
	ArrayList<LatLng> lineShapes = new ArrayList<LatLng>();
	for (LatLonPoint point : shapes) {
		LatLng latLngTemp = AMapUtil.convertToLatLng(point);
		lineShapes.add(latLngTemp);
	}
	return lineShapes;
}
 

/**
 *
 * checkBusToNextBusNoWalk 和这个类似
 *
 * @param busStep
 * @param busStep1
 */
private void checkBusEndToNextBusStart(BusStep busStep, BusStep busStep1) {
	LatLonPoint busLastPoint = getLastBuslinePoint(busStep);
	LatLng endbusLatLng = AMapUtil.convertToLatLng(busLastPoint);
	LatLonPoint busFirstPoint = getFirstBuslinePoint(busStep1);
	LatLng startbusLatLng = AMapUtil.convertToLatLng(busFirstPoint);
	if (!endbusLatLng.equals(startbusLatLng)) {
		drawLineArrow(endbusLatLng, startbusLatLng);//
	}
}
 

private void addBusLineSteps(List<LatLonPoint> listPoints) {
	if (listPoints.size() < 1) {
		return;
	}
	addPolyLine(new PolylineOptions().width(getRouteWidth())
			.color(getBusColor())
			.addAll(AMapUtil.convertArrList(listPoints)));
}
 

private LatLonPoint getEntrancePoint(BusStep busStep) {
	Doorway doorway = busStep.getEntrance();
	if (doorway == null) {
		return null;
	}
	return doorway.getLatLonPoint();
}
 

/**
 * 移动镜头到当前的视角。
 *
 * @since V2.1.0
 */
public void zoomToSpan() {
    if (mAMap == null)
        return;
    try {
        List<LatLonPoint> coordin = mBusLineItem.getDirectionsCoordinates();
        if (coordin != null && coordin.size() > 0) {
            LatLngBounds bounds = getLatLngBounds(coordin);
            mAMap.moveCamera(CameraUpdateFactory.newLatLngBounds(bounds, 5));
        }
    } catch (Throwable e) {
        e.printStackTrace();
    }
}