public MKRoute NewRoute(MKMapItem start, MKMapItem finish)
{
MKDirectionsRequest drivingRouteRequest = new MKDirectionsRequest();
drivingRouteRequest.TransportType = MKDirectionsTransportType.Automobile;
drivingRouteRequest.Source = start;
drivingRouteRequest.Destination = finish;
MKRoute drivingRoute = null;
MKDirections drivingRouteDirections = new MKDirections(drivingRouteRequest);
drivingRouteDirections.CalculateDirections((drivingRouteResponse, drivingRouteError) =>
{
if (drivingRouteError != null)
{
drivingRoute = null;
}
else
{
// The code doesn't request alternate routes, so add the single calculated route to
// a previously declared MKRoute property called walkingRoute.
drivingRoute = drivingRouteResponse.Routes[0];
}
});
return(drivingRoute);
var rteLine = new MKPolylineRenderer(drivingRoute.Polyline)
{
LineWidth = 5.0f,
StrokeColor = UIColor.Purple
};
mapView.GetRendererForOverlay = (mv, ol) => rteLine;
mapView.AddOverlay(route.Polyline, MKOverlayLevel.AboveRoads);
}
MapView mMapView = null; // 地图View
protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
/**
* 使用地图sdk前需先初始化BMapManager.
* BMapManager是全局的，可为多个MapView共用，它需要地图模块创建前创建，
* 并在地图地图模块销毁后销毁，只要还有地图模块在使用，BMapManager就不应该销毁
*/
DemoApplication app = (DemoApplication)this.Application;
if (app.mBMapManager == null)
{
app.mBMapManager = new BMapManager(ApplicationContext);
/**
* 如果BMapManager没有初始化则初始化BMapManager
*/
app.mBMapManager.Init(new DemoApplication.MyGeneralListener());
}
SetContentView(Resource.Layout.activity_customroute);
ICharSequence titleLable = new String("路线规划功能——自设路线示例");
Title = titleLable.ToString();
//初始化地图
mMapView = FindViewById<MapView>(Resource.Id.bmapView);
mMapView.Controller.EnableClick(true);
mMapView.Controller.SetZoom(13);
/** 演示自定义路线使用方法
* 在北京地图上画一个北斗七星
* 想知道某个点的百度经纬度坐标请点击：http://api.map.baidu.com/lbsapi/getpoint/index.html
*/
GeoPoint p1 = new GeoPoint((int)(39.9411 * 1E6), (int)(116.3714 * 1E6));
GeoPoint p2 = new GeoPoint((int)(39.9498 * 1E6), (int)(116.3785 * 1E6));
GeoPoint p3 = new GeoPoint((int)(39.9436 * 1E6), (int)(116.4029 * 1E6));
GeoPoint p4 = new GeoPoint((int)(39.9329 * 1E6), (int)(116.4035 * 1E6));
GeoPoint p5 = new GeoPoint((int)(39.9218 * 1E6), (int)(116.4115 * 1E6));
GeoPoint p6 = new GeoPoint((int)(39.9144 * 1E6), (int)(116.4230 * 1E6));
GeoPoint p7 = new GeoPoint((int)(39.9126 * 1E6), (int)(116.4387 * 1E6));
//起点坐标
GeoPoint start = p1;
//终点坐标
GeoPoint stop = p7;
//第一站，站点坐标为p3,经过p1,p2
GeoPoint[] step1 = new GeoPoint[3];
step1[0] = p1;
step1[1] = p2;
step1[2] = p3;
//第二站，站点坐标为p5,经过p4
GeoPoint[] step2 = new GeoPoint[2];
step2[0] = p4;
step2[1] = p5;
//第三站，站点坐标为p7,经过p6
GeoPoint[] step3 = new GeoPoint[2];
step3[0] = p6;
step3[1] = p7;
//站点数据保存在一个二维数据中
GeoPoint[][] routeData = new GeoPoint[3][];
routeData[0] = step1;
routeData[1] = step2;
routeData[2] = step3;
//用站点数据构建一个MKRoute
MKRoute route = new MKRoute();
route.CustomizeRoute(start, stop, routeData);
//将包含站点信息的MKRoute添加到RouteOverlay中
RouteOverlay routeOverlay = new RouteOverlay(this, mMapView);
routeOverlay.SetData(route);
//向地图添加构造好的RouteOverlay
mMapView.Overlays.Add(routeOverlay);
//执行刷新使生效
mMapView.Refresh();
}
/**
* 发起路线规划搜索示例
* @param v
*/
void SearchButtonProcess(View v)
{
//重置浏览节点的路线数据
route = null;
routeOverlay = null;
transitOverlay = null;
mBtnPre.Visibility = ViewStates.Invisible;
mBtnNext.Visibility = ViewStates.Invisible;
// 处理搜索按钮响应
EditText editSt = FindViewById<EditText>(Resource.Id.start);
EditText editEn = FindViewById<EditText>(Resource.Id.end);
// 对起点终点的name进行赋值，也可以直接对坐标赋值，赋值坐标则将根据坐标进行搜索
MKPlanNode stNode = new MKPlanNode();
stNode.Name = editSt.Text;
MKPlanNode enNode = new MKPlanNode();
enNode.Name = editEn.Text;
// 实际使用中请对起点终点城市进行正确的设定
if (mBtnDrive.Equals(v))
{
mSearch.DrivingSearch("北京", stNode, "北京", enNode);
}
else if (mBtnTransit.Equals(v))
{
mSearch.TransitSearch("北京", stNode, enNode);
}
else if (mBtnWalk.Equals(v))
{
mSearch.WalkingSearch("北京", stNode, "北京", enNode);
}
}
/// <summary>
/// Sets the route data
/// </summary>
/// <param name="route">PCL route</param>
/// <param name="nativeRoute">Native route</param>
private void SetRouteData(TKRoute route, MKRoute nativeRoute)
{
var routeFunctions = (IRouteFunctions)route;
var steps = new TKRouteStep[nativeRoute.Steps.Count()];
for (int i = 0; i < steps.Length; i++)
{
steps[i] = new TKRouteStep();
var stepFunction = (IRouteStepFunctions)steps[i];
var nativeStep = nativeRoute.Steps.ElementAt(i);
stepFunction.SetInstructions(nativeStep.Instructions);
stepFunction.SetDistance(nativeStep.Distance);
}
routeFunctions.SetSteps(steps);
routeFunctions.SetDistance(nativeRoute.Distance);
routeFunctions.SetTravelTime(nativeRoute.ExpectedTravelTime);
routeFunctions.SetBounds(
MapSpan.FromCenterAndRadius(
new Position(
nativeRoute.Polyline.BoundingMapRect.MidX,
nativeRoute.Polyline.BoundingMapRect.MidY),
Distance.FromKilometers(
route.Source.DistanceTo(route.Destination))));
}
