Android SDK implementation path planning via latitude

Let's take a look at the effect chart:

1, just enter the time:, the default for Beijing

2, click the "Bus" button:

3, click the "Car" button:

4, click the "Walk" button

All right, let's get this done!

layout : <?xml version= "1.0″encoding=" utf-8″?>

<linearlayout xmlns:android= "Http://schemas.android.com/apk/res/android"

Android:layout_width= "Match_parent"

android:layout_height= "Match_parent"

android:orientation= "Vertical" >

<linearlayout

Android:layout_width= "Match_parent"

android:layout_height= "Wrap_content" >

<button

Android:id= "@+id/btn_bus"

Android:layout_width= "0DP"

android:layout_height= "Wrap_content"

Android:layout_weight= "1″

android:onclick= "DoClick"

android:text= "Bus"/>

<button

Android:id= "@+id/btn_car"

Android:layout_width= "0DP"

android:layout_height= "Wrap_content"

Android:layout_weight= "1″

android:onclick= "DoClick"

android:text= "Car"/>

<button

Android:id= "@+id/btn_walk"

Android:layout_width= "0DP"

android:layout_height= "Wrap_content"

Android:layout_weight= "1″

android:onclick= "DoClick"

android:text= "Walk"/>

</LinearLayout>

<com.amap.api.maps.mapview

Android:id= "@+id/map"

Android:layout_width= "Match_parent"

android:layout_height= "Match_parent" ></com.amap.api.maps.MapView>

</LinearLayout>

Function:

Package cn.zmit.xianneng.activity;

Import android.app.Activity;

Import Android.os.Bundle;

Import Android.view.View;

Import Com.amap.api.maps.AMap;

Import Com.amap.api.maps.MapView;

Import Com.amap.api.maps.overlay.BusRouteOverlay;

Import Com.amap.api.maps.overlay.DrivingRouteOverlay;

Import Com.amap.api.maps.overlay.WalkRouteOverlay;

Import Com.amap.api.services.core.LatLonPoint;

Import Com.amap.api.services.route.BusPath;

Import Com.amap.api.services.route.BusRouteResult;

Import Com.amap.api.services.route.DrivePath;

Import Com.amap.api.services.route.DriveRouteResult;

Import Com.amap.api.services.route.RouteSearch;

Import Com.amap.api.services.route.WalkPath;

Import Com.amap.api.services.route.WalkRouteResult;

Import CN.ZMIT.XIANNENG.R;

/**

* Created by Kyle_zheng on 2016/1/20 0020.

*/

public class Testactivity extends activity implements Routesearch.onroutesearchlistener {

Mapview Mapview;

AMap AMap;

Latitude and longitude of routesearch.fromandto fromandto;//starting point and end-point

Routesearch Routesearch;

@Override

protected void OnCreate (Bundle savedinstancestate) {

Super.oncreate (savedinstancestate);

Setcontentview (r.layout.test);

Mapview = (Mapview) Findviewbyid (R.ID.MAP);

Mapview.oncreate (savedinstancestate);

if (AMap = = null) {

AMap = Mapview.getmap ();

}

Latlonpoint start = new Latlonpoint (31.286389, 118.378039);//starting point for the latitude and longitude of the new campus of Ann Normal University

Latlonpoint end = new Latlonpoint (31.288702, 118.360532);//The destination is the latitude and longitude of the Medical College of southern Anhui

Fromandto = new Routesearch.fromandto (start, end);//Instantiate fromandto, literally, where to

Routesearch = new Routesearch (this);//instantiated Routesearch

Routesearch.setroutesearchlistener (this);

}

public void DoClick (view view) {

Switch (View.getid ()) {

Case R.id.btn_bus:

Routesearch.busroutequery busroutequery = new Routesearch.busroutequery (fromandto, Routesearch.busdefault, "Wuhu", 0); /The first parameter represents the start and end point of the path planning, the second parameter represents the bus query mode, the third parameter indicates the bus query city area code, the fourth parameter indicates whether the night train is calculated, and 0 indicates that no calculation

Routesearch.calculatebusrouteasyn (Busroutequery);

Break

Case R.id.btn_car:

Routesearch.driveroutequery driveroutequery = new Routesearch.driveroutequery (Fromandto, RouteSearch.DrivingDefault , NULL, NULL, "");

Routesearch.calculatedriverouteasyn (Driveroutequery);

Break

Case R.id.btn_walk:

Routesearch.walkroutequery walkroutequery = new Routesearch.walkroutequery (fromandto, RouteSearch.WalkDefault);

Routesearch.calculatewalkrouteasyn (Walkroutequery);

Break

}

}

@Override

public void onbusroutesearched (Busrouteresult busrouteresult, int i) {

Buspath Buspath = Busrouteresult.getpaths (). get (0);//Take one of the routes

Amap.clear ();

Busrouteoverlay routeoverlay = new Busrouteoverlay (this, AMap,

Buspath, Busrouteresult.getstartpos (),

Busrouteresult.gettargetpos ());

Routeoverlay.removefrommap ();

Routeoverlay.addtomap ();

Routeoverlay.zoomtospan ();

}

@Override

public void ondriveroutesearched (Driverouteresult driverouteresult, int i) {

Drivepath Drivepath = Driverouteresult.getpaths (). get (0);

Amap.clear ();

Drivingrouteoverlay routeoverlay = new Drivingrouteoverlay (this, AMap,

Drivepath, Driverouteresult.getstartpos (),

Driverouteresult.gettargetpos ());

Routeoverlay.removefrommap ();

Routeoverlay.addtomap ();

Routeoverlay.zoomtospan ();

}

@Override

public void onwalkroutesearched (Walkrouteresult walkrouteresult, int i) {

Walkpath Walkpath = Walkrouteresult.getpaths (). get (0);//Take one of the routes

Amap.clear ()//clear the annotations on the map

Walkrouteoverlay routeoverlay = new Walkrouteoverlay (this, AMap,

Walkpath, Walkrouteresult.getstartpos (),

Walkrouteresult.gettargetpos ());

Routeoverlay.removefrommap ();

Routeoverlay.addtomap ();

Routeoverlay.zoomtospan ();

}

The following are to be carbon

@Override

protected void Onresume () {

Super.onresume ();

Mapview.onresume ();

}

@Override

protected void OnPause () {

Super.onpause ();

Mapview.onpause ();

}

@Override

protected void OnDestroy () {

Super.ondestroy ();

Mapview.ondestroy ();

}

}

Well, over, feel useful to the point of a praise it ~