android百度地图搜索功能实现
程序现在存在的问题：执行时程序十分不稳定，总共分三种情况 不知道为什么会这样，求解1 程序成功运行，代码146行的walkingSearch函数执行的返回值为0，并且回调函数onGetWalkingRouteResult(125行)成功，程序正确执行。
2 程序运行失败 ，代码146行的walkingSearch函数执行的返回值为0，但是并没有执行回调函数onGetWalkingRouteResult(125行)
3 程序运行失败，代码146行的walkingSearch函数执行的返回值为-1。
主要程序代码
package com.realpathsdkdemo;
import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.Menu;
import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.map.MapController;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.RouteOverlay;
import com.baidu.mapapi.search.MKAddrInfo;
import com.baidu.mapapi.search.MKBusLineResult;
import com.baidu.mapapi.search.MKDrivingRouteResult;
import com.baidu.mapapi.search.MKPlanNode;
import com.baidu.mapapi.search.MKPoiResult;
import com.baidu.mapapi.search.MKSearch;
import com.baidu.mapapi.search.MKSearchListener;
import com.baidu.mapapi.search.MKShareUrlResult;
import com.baidu.mapapi.search.MKSuggestionResult;
import com.baidu.mapapi.search.MKTransitRouteResult;
import com.baidu.mapapi.search.MKWalkingRouteResult;
import com.baidu.platform.comapi.basestruct.GeoPoint;
public class MainActivity extends Activity {
BMapManager mBMapMan = null;
MapView mMapView = null;
MKSearch mMKSearch = null;
private Handler mHandler = null;
MKPlanNode start = null;
MKPlanNode end = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mBMapMan=new BMapManager(getApplication());
mBMapMan.init("LZVlc4DD9hoSjBxp7W243thR", null); //前面的一个String对象为要替换的key
//注意：请在试用setContentView前初始化BMapManager对象
setContentView(R.layout.activity_main);
mMapView=(MapView)findViewById(R.id.bmapsView);
mMapView.setBuiltInZoomControls(true);
//设置启用内置的缩放控件
MapController mMapController=mMapView.getController();
// 上海市的GPS纬度经度值：31.243319,121.509075
GeoPoint geoPoint = new GeoPoint((int) (31.243319 * 1E6),(int) (121.509075 * 1E6));
mMapController.setCenter(geoPoint);
mMapController.setZoom(12);
start = new MKPlanNode();
start.pt = new GeoPoint((int) (31.205889 * 1E6), (int) (121.637942 * 1E6));
// 上海市陆家嘴的GPS纬度经度值： 121.509075,31.243319
end = new MKPlanNode();
end.pt = new GeoPoint( (int) (31.243319 * 1E6), (int) (121.509075 * 1E6));
mMKSearch = new MKSearch();
Log.d("Tag","MKSearchw");
mMKSearch.init(mBMapMan, new MKSearchListener(){
@Override
public void onGetAddrResult(MKAddrInfo arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetBusDetailResult(MKBusLineResult res, int error) {
// TODO Auto-generated method stub
}
@Override
public void onGetDrivingRouteResult(MKDrivingRouteResult res,
int arg1) {
// TODO Auto-generated method stub
if (res == null) {
return;
}
RouteOverlay routeOverlay = new RouteOverlay(MainActivity.this, mMapView);
// 两点的驾车路线会有多条,采用第一种方案
routeOverlay.setData(res.getPlan(0).getRoute(0));
mMapView.getOverlays().add(routeOverlay);
mMapView.invalidate();
}
@Override
public void onGetPoiDetailSearchResult(int arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetPoiResult(MKPoiResult arg0, int arg1, int arg2) {
// TODO Auto-generated method stub
}
@Override
public void onGetShareUrlResult(MKShareUrlResult arg0, int arg1,
int arg2) {
// TODO Auto-generated method stub
}
@Override
public void onGetSuggestionResult(MKSuggestionResult arg0, int arg1) {
// TODO Auto-generated method stub
}
@Override
public void onGetTransitRouteResult(MKTransitRouteResult res,
int arg1) {
// TODO Auto-generated method stub
RouteOverlay routeOverlay = new RouteOverlay( MainActivity.this, mMapView);
routeOverlay.setData(res.getPlan(0).getRoute(0));
mMapView.getOverlays().add(routeOverlay);
mMapView.refresh();// 刷新地图
}
@Override
//回调函数
public void onGetWalkingRouteResult(MKWalkingRouteResult res,
int arg1) {
// TODO Auto-generated method stub
RouteOverlay routeOverlay = new RouteOverlay(MainActivity.this, mMapView);
routeOverlay.setData(res.getPlan(0).getRoute(0));
Log.d("Tag","walkingSearch onGetWalkingRouteResult");
mMapView.getOverlays().add(routeOverlay);
Log.d("Tag","walkingSearch addOverlays");
mMapView.refresh();
Log.d("Tag","walkingSearch mapViewRefresh");
}
});
mHandler = new Handler(){
@Override
public void handleMessage(Message msg) {
// TODO Auto-generated method stub
super.handleMessage(msg);
//注意，MKSearchListener只支持一个，以最后一次设置为准
//走路代码的实现返回值-1表示不成功，0表示成功，并执行回调函数 onGetWalkingRouteResult
int i=mMKSearch.walkingSearch(null, start, null, end);
Log.d("Tag","walkingSearch "+i);
}
};
mHandler.sendEmptyMessageDelayed(0, 1000);//等待1s
// 设置驾车路线搜索策略，时间优先、费用最少或距离最短
// 驾乘检索策略常量：时间优先
//mMKSearch.setDrivingPolicy(MKSearch.ECAR_TIME_FIRST);
//mMKSearch.drivingSearch(null, start, null, end);
// 驾乘检索策略常量：较少费用
// mMKSearch.setDrivingPolicy(MKSearch.ECAR_FEE_FIRST);
//mMKSearch.drivingSearch(null, start, null, end);
// 驾乘检索策略常量：最短距离
//mMKSearch.setDrivingPolicy(MKSearch.ECAR_DIS_FIRST);
// mMKSearch.drivingSearch(null, start, null, end);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mMapView.onSaveInstanceState(outState);
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
mMapView.onRestoreInstanceState(savedInstanceState);
}
@Override
protected void onDestroy(){
mMapView.destroy();
if(mBMapMan!=null){
mBMapMan.destroy();
mBMapMan=null;
}
super.onDestroy();
}
@Override
protected void onPause(){
mMapView.onPause();
if(mBMapMan!=null){
mBMapMan.stop();
}
super.onPause();
}
@Override
protected void onResume(){
mMapView.onResume();
if(mBMapMan!=null){
mBMapMan.start();
}
super.onResume();
Log.d("Tag","walkingSearch -----> ");
}
}
补充：移动开发 , Android
