问题描述

androi高德地图路径规划问题

有做过高德路径规划的大神吗？下面是我仿照的高德官方案例来写的代码，可是总是报错，然后错误码是45，不知道是怎么回事。
package com.example.maptest;

import android.os.Bundle;

import com.amap.api.maps.AMap;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.MapView;
import com.amap.api.maps.MapsInitializer;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.overlay.DrivingRouteOverlay;
import com.amap.api.services.core.LatLonPoint;
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.RouteSearch.DriveRouteQuery;
import com.amap.api.services.route.RouteSearch.OnRouteSearchListener;
import com.amap.api.services.route.WalkRouteResult;

import android.app.Activity;
import android.view.Menu;
import android.widget.Toast;

public class MainActivity extends Activity implements OnRouteSearchListener{

private AMap aMap;
private MapView mapView;
private int drivingMode = RouteSearch.DrivingDefault;
private DriveRouteResult driveRouteResult;
private LatLonPoint startPoint;
private LatLonPoint endPoint;
private RouteSearch routeSearch;
private Marker startMk, targetMk;
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

// MapsInitializer.sdcardDir = OffLineMapUtils.getSdCacheDir(this);
mapView = (MapView) findViewById(R.id.map);
mapView.onCreate(savedInstanceState);// 此方法必须重写

    routeSearch = new RouteSearch(this);
    routeSearch.setRouteSearchListener(this);
    init();
    startPoint = new LatLonPoint(114.2001098435, 22.9537733103);
    endPoint = new LatLonPoint(23.0231558804, 114.6609545055);

    searchRouteResult(startPoint, endPoint);
}

private void init() {
    if (aMap == null) {

        aMap = mapView.getMap();

        }

        // 设置地图可视缩放大小

// aMap.moveCamera(CameraUpdateFactory.zoomTo(12));

}

@Override

protected void onResume() {

super.onResume();

mapView.onResume();

}

/**
095.
* 方法必须重写
096.
*/

@Override

protected void onPause() {

super.onPause();

mapView.onPause();

}

/**
104.
* 方法必须重写
105.
*/

@Override

protected void onSaveInstanceState(Bundle outState) {

super.onSaveInstanceState(outState);

mapView.onSaveInstanceState(outState);

}

/**
113.
* 方法必须重写
114.
*/

@Override

protected void onDestroy() {

super.onDestroy();

mapView.onDestroy();

}
public void searchRouteResult(LatLonPoint startPoint,LatLonPoint endPoint) {
    final RouteSearch.FromAndTo fromAndTo = new RouteSearch.FromAndTo(startPoint, endPoint);
    DriveRouteQuery query = new DriveRouteQuery(fromAndTo, drivingMode,
            null, null, "");// 第一个参数表示路径规划的起点和终点，第二个参数表示驾车模式，第三个参数表示途经点，第四个参数表示避让区域，第五个参数表示避让道路
    routeSearch.calculateDriveRouteAsyn(query);
}

@Override
public void onDriveRouteSearched(DriveRouteResult arg0, int arg1) {
    System.out.println("----------------"+arg1);

    Toast.makeText(this, "---"+arg1, Toast.LENGTH_SHORT).show();
    if (arg1 == 0) {
        if (arg0 != null && arg0.getPaths() != null
                && arg0.getPaths().size() > 0) {
            driveRouteResult = arg0;
            DrivePath drivePath = driveRouteResult.getPaths().get(0);
            aMap.clear();// 清理地图上的所有覆盖物
            DrivingRouteOverlay drivingRouteOverlay = new DrivingRouteOverlay(
                    this, aMap, drivePath, driveRouteResult.getStartPos(),
                    driveRouteResult.getTargetPos());
            drivingRouteOverlay.removeFromMap();
            drivingRouteOverlay.addToMap();
            drivingRouteOverlay.zoomToSpan();
        } else {
    //      ToastUtil.show(RouteActivity.this, R.string.no_result);
            Toast.makeText(this, "错误1", Toast.LENGTH_SHORT).show();
        }
    } else if (arg1 == 27) {
//      ToastUtil.show(RouteActivity.this, R.string.error_network);
        Toast.makeText(this, "错误2", Toast.LENGTH_SHORT).show();
    } else if (arg1 == 32) {
//      ToastUtil.show(RouteActivity.this, R.string.error_key);
        Toast.makeText(this, "错误3", Toast.LENGTH_SHORT).show();
    } else {
//      ToastUtil.show(RouteActivity.this, getString(R.string.error_other)
//              + arg1);
        Toast.makeText(this, "错误4", Toast.LENGTH_SHORT).show();
    }

}

@Override
public void onBusRouteSearched(BusRouteResult arg0, int arg1) {
    // TODO Auto-generated method stub

}

@Override
public void onWalkRouteSearched(WalkRouteResult arg0, int arg1) {
    // TODO Auto-generated method stub

}

}

解决方案

http://www.cnblogs.com/ouyangduoduo/p/4623680.html