看看多了那三个小图片就是我们的效果结果。点击一下也会有相应的。试一下吧!
某个类型的覆盖物,包含多个类型相同、显示方式相同、处理方式相同的项时,使用此类:
- 自定义类继承ItemizedOverlay<OverlayItem>,并Override其draw()方法,如果需要点击、按键、触摸等交互操作,还需Override onTap()等方法。
主要用到类 OverlayItem,百度地图上的API
ItemizedOverlay是Overlay的一个基类,包含了一个OverlayItem列表。 从南到北的处理item,用于绘制、创建平移边界、为每个点绘制标记点,和维护一个焦点选中的item,同时也负责把一个屏幕点击匹配到item上去,分发焦点改变事件给备选的监听器。
类型 |
名称 |
static int |
ITEM_STATE_FOCUSED_MASK
-
-
bitset位: 标识该overlay item处于焦点选中状态
|
static int |
ITEM_STATE_NORMAL_MASK
-
-
bitset位:表明该overlay item处于正常状态
|
static int |
ITEM_STATE_PRESSED_MASK
-
-
bitset位:表明该overlay item正处于被按下状态
|
static int |
ITEM_STATE_SELECTED_MASK
-
-
bitset位:表明该overlay item正处于被选中状态
|
protected Drawable |
mMarker
-
-
用于表示该item的overlay标记点
|
protected GeoPoint |
mPoint
-
-
该item的位置
|
protected java.lang.String |
mSnippet
-
-
该item的文字片段
|
protected java.lang.String |
mTitle
-
-
该item的标题文本
|
返回类型 |
方法 |
Drawable |
getMarker(int stateBitset)
-
-
返回标记点,该标记点在地图上绘制该item时使用。
|
GeoPoint |
getPoint()
-
-
返回该overlay的经纬度,以GeoPoint形式
|
java.lang.String |
getSnippet()
-
-
返回该overlay的文本片段
|
java.lang.String |
getTitle()
-
-
返回该overlay的标题文本
|
java.lang.String |
routableAddress()
-
-
暂未实现
|
void |
setMarker(Drawable marker)
-
-
设置标记点,该标记点在地图上绘制该item时使用。
|
static void |
setState(Drawable drawable, int stateBitset)
-
-
设置一个drawable的状态以匹配给定的静态betset位。
|
具体实现:
[java] view plain copy print ?
- package xiaosi.baiduMap;
-
- import java.util.ArrayList;
- import java.util.List;
-
- import android.content.Context;
- import android.graphics.drawable.Drawable;
- import android.os.Bundle;
- import android.widget.Toast;
-
- import com.baidu.mapapi.BMapManager;
- import com.baidu.mapapi.GeoPoint;
- import com.baidu.mapapi.ItemizedOverlay;
- import com.baidu.mapapi.MapActivity;
- import com.baidu.mapapi.MapController;
- import com.baidu.mapapi.MapView;
- import com.baidu.mapapi.OverlayItem;
-
- public class BaiduMapActivity extends MapActivity
- {
-
- private BMapManager mapManager = null;
- private String key = "1B79478DA01F7800AEA8602517A6D89B38151105";
- private MapView mapView = null;
-
- @Override
- public void onCreate(Bundle savedInstanceState)
- {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- mapManager = new BMapManager(getApplication());
- mapManager.init(key, null);
- super.initMapActivity(mapManager);
- mapView = (MapView) findViewById(R.id.mapsView);
- mapView.setBuiltInZoomControls(true);
- MapController mapController = mapView.getController();
- mapController.setZoom(12);
-
-
-
- Drawable marker = getResources().getDrawable(R.drawable.d);
- mapView.getOverlays().add(new OverItemT(marker, this));
- }
-
- class OverItemT extends ItemizedOverlay<OverlayItem>
- {
- private List<OverlayItem> GeoPointList = new ArrayList<OverlayItem>();
- private Context mContext;
-
- private double coordinateX1= 39.90923;
- private double coordinateY1 = 116.397428;
- private double coordinateX2 = 39.9022;
- private double coordinateY2 = 116.3922;
- private double coordinateX3 = 39.917723;
- private double coordinateY3 = 116.3722;
- private double coordinateX4 = 39.90923;
- private double coordinateY4 = 116.3922;
-
- public OverItemT(Drawable marker, Context context)
- {
-
- super(boundCenterBottom(marker));
- this.mContext = context;
-
- GeoPoint point1 = new GeoPoint((int) (coordinateX1 * 1E6), (int) (coordinateY1 * 1E6));
- GeoPoint point2 = new GeoPoint((int) (coordinateX2 * 1E6), (int) (coordinateY2 * 1E6));
- GeoPoint point3 = new GeoPoint((int) (coordinateX3 * 1E6), (int) (coordinateY3 * 1E6));
- GeoPoint point4 = new GeoPoint((int) (coordinateX4 * 1E6), (int) (coordinateY4 * 1E6));
-
-
-
-
-
- GeoPointList.add(new OverlayItem(point1, "P1", "写字楼"));
- GeoPointList.add(new OverlayItem(point2, "P2", "西城区政府"));
- GeoPointList.add(new OverlayItem(point3, "P3", "招待所"));
- GeoPointList.add(new OverlayItem(point4, "P4", "小学"));
-
- populate();
- }
-
- @Override
- protected OverlayItem createItem(int i)
- {
- return GeoPointList.get(i);
- }
-
- @Override
- public int size()
- {System.out.println("Size;" + GeoPointList.size());
- return GeoPointList.size();
- }
-
- @Override
-
- protected boolean onTap(int i)
- {
-
- Toast.makeText(this.mContext, GeoPointList.get(i).getSnippet(),
- Toast.LENGTH_SHORT).show();
- return true;
- }
-
- }
-
- @Override
- protected boolean isRouteDisplayed()
- {
- return false;
- }
-
- @Override
- protected void onDestroy()
- {
- if (mapManager != null)
- {
- mapManager.destroy();
- mapManager = null;
- }
- super.onDestroy();
- }
-
- @Override
- protected void onPause()
- {
- if (mapManager != null)
- {
- mapManager.stop();
- }
- super.onPause();
- }
-
- @Override
- protected void onResume()
- {
- if (mapManager != null)
- {
- mapManager.start();
- }
- super.onResume();
- }
- }
百度地图移动版API集成搜索服务包括:位置检索、周边检索、范围检索、公交检索、驾乘检索、步行检索,通过初始化MKSearch类,注册搜索结果的监听对象MKSearchListener,实现异步搜索服务。首先自定义MySearchListener实现MKSearchListener接口,通过不同的回调方法,获得搜索结果:
[java] view plain copy print ?
- public class MySearchListener implements MKSearchListener {
- @Override
- public void onGetAddrResult(MKAddrInfo result, int iError) {
- }
-
- @Override
- public void onGetDrivingRouteResult(MKDrivingRouteResult result, int iError) {
- }
-
- @Override
- public void onGetPoiResult(MKPoiResult result, int type, int iError) {
- }
-
- @Override
- public void onGetTransitRouteResult(MKTransitRouteResult result, int iError) {
- }
-
- @Override
- public void onGetWalkingRouteResult(MKWalkingRouteResult result, int iError) {
- }
- }
public class MySearchListener implements MKSearchListener {
@Override
public void onGetAddrResult(MKAddrInfo result, int iError) {
}
@Override
public void onGetDrivingRouteResult(MKDrivingRouteResult result, int iError) {
}
@Override
public void onGetPoiResult(MKPoiResult result, int type, int iError) {
}
@Override
public void onGetTransitRouteResult(MKTransitRouteResult result, int iError) {
}
@Override
public void onGetWalkingRouteResult(MKWalkingRouteResult result, int iError) {
}
}
然后初始化MKSearch类:
[java] view plain copy print ?
- MKSearch mKSearch = new MKSearch();
- mKSearch.init(mapManager, new MySearchListener());
MKSearch mKSearch = new MKSearch();
mKSearch.init(mapManager, new MySearchListener());// 注意,MKSearchListener只支持一个,以最后一次设置为准
搜索服务用到的知识:类MKSearch
用于位置检索、周边检索、范围检索、公交检索、驾乘检索、步行检索
字段摘要
类型 |
名称 |
static int |
EBUS_NO_SUBWAY
-
-
公交检索策略常量:不含地铁
|
static int |
EBUS_TIME_FIRST
-
-
公交检索策略常量:时间优先
|
static int |
EBUS_TRANSFER_FIRST
-
-
公交检索策略常量:最少换乘
|
static int |
EBUS_WALK_FIRST
-
-
公交检索策略常量:最少步行距离
|
static int |
ECAR_DIS_FIRST
-
-
驾乘检索策略常量:最短距离
|
static int |
ECAR_FEE_FIRST
-
-
驾乘检索策略常量:较少费用
|
static int |
ECAR_TIME_FIRST
-
-
驾乘检索策略常量:时间优先
|
static int |
TYPE_AREA_POI_LIST
-
-
范围搜索、周边搜索poi列表
|
static int |
TYPE_CITY_LIST
-
-
城市列表
|
static int |
TYPE_POI_LIST
-
-
城市内搜索poi列表
|
static int |
TYPE_AREA_MULTI_POI_LIST
-
-
城市内多关键字范围搜索列表
|
构造方法摘要
方法摘要
返回类型 |
方法 |
int |
drivingSearch(java.lang.String startCity, MKPlanNode start, java.lang.String endCity, MKPlanNode end)
-
-
驾乘路线搜索.
|
static int |
getPoiPageCapacity ()
-
-
返回每页容量
|
int |
goToPoiPage(int num)
-
-
获取指定页的的poi结果.
|
boolean |
init(BMapManager bmapMan, MKSearchListener listener)
-
-
初使化
|
int |
poiSearchInbounds(java.lang.String key, GeoPoint ptLB, GeoPoint ptRT)
-
-
根据范围和检索词发起范围检索.
|
int |
poiMultiSearchInbounds(java.lang.String key, GeoPoint ptLB, GeoPoint ptRT)
-
-
根据范围和多检索词发起范围检索.
|
int |
poiSearchInCity(java.lang.String city, java.lang.String key)
-
-
城市poi检索.
|
int |
poiSearchNearBy(java.lang.String key, GeoPoint pt, int radius)
-
-
根据中心点、半径与检索词发起周边检索.
|
int |
poiMultiSearchNearBy(java.lang.String key, GeoPoint pt, int radius)
-
-
根据中心点、半径与多检索词发起周边检索.
|
int |
reverseGeocode(GeoPoint pt)
-
-
根据地理坐标点获取地址信息 异步函数,返回结果在MKSearchListener里的onGetAddrResult方法通知
|
int |
geocode(java.lang.String strAddr, java.lang.String city)
-
-
根据地址名获取地址信息 异步函数,返回结果在MKSearchListener里的onGetAddrResult方法通知
|
int |
setDrivingPolicy(int policy)
-
-
设置驾车路线规划策略.
|
static void |
setPoiPageCapacity(int num)
-
-
设置每页容量.
|
int |
setTransitPolicy(int policy)
-
-
设置路线规划策略.
|
int |
transitSearch(java.lang.String city, MKPlanNode start, MKPlanNode end)
-
-
公交路线搜索。
|
int |
walkingSearch(java.lang.String startCity, MKPlanNode start, java.lang.String endCity, MKPlanNode end)
-
-
步行路线搜索.
|
POI搜索有三种方式,根据范围和检索词发起范围检索poiSearchInbounds,城市poi检索poiSearchInCity,周边检索poiSearchNearBy。
下以周边检索为例介绍如何进行检索并显示覆盖物PoiOverlay:
public int poiSearchNearBy(java.lang.String key, GeoPoint pt, int radius)
-
根据中心点、半径与检索词发起周边检索.
-
异步函数,返回结果在MKSearchListener里的onGetPoiResult方法通知
-
参数:
-
key - 关键词
-
pt - 中心点地理坐标
-
radius - 半径,单位:米
-
返回:
-
成功返回0,否则返回-1
Demo: 检索天安门周边5000米之内的KFC餐厅
[java] view plain copy print ?
- mMKSearch.poiSearchNearBy("KFC", new GeoPoint((int) (39.915 * 1E6), (int) (116.404 * 1E6)), 5000);
mMKSearch.poiSearchNearBy("KFC", new GeoPoint((int) (39.915 * 1E6), (int) (116.404 * 1E6)), 5000);
实现MySearchListener的onGetPoiResult,并展示检索结果:
[java] view plain copy print ?
- public void onGetPoiResult(MKPoiResult result, int type, int iError) {
- if (result == null) {
- return;
- }
- PoiOverlay poioverlay = new PoiOverlay(MyMapActivity.this, mMapView);
- poioverlay.setData(result.getAllPoi());
- mMapView.getOverlays().add(poioverlay);
- }
public void onGetPoiResult(MKPoiResult result, int type, int iError) {
if (result == null) {
return;
}
PoiOverlay poioverlay = new PoiOverlay(MyMapActivity.this, mMapView);
poioverlay.setData(result.getAllPoi());
mMapView.getOverlays().add(poioverlay);
}
具体实现:
[java] view plain copy print ?
- package xiaosi.baiduMap;
-
- import android.os.Bundle;
-
- import com.baidu.mapapi.BMapManager;
- import com.baidu.mapapi.GeoPoint;
- import com.baidu.mapapi.MKAddrInfo;
- import com.baidu.mapapi.MKDrivingRouteResult;
- import com.baidu.mapapi.MKPoiResult;
- import com.baidu.mapapi.MKSearch;
- import com.baidu.mapapi.MKSearchListener;
- import com.baidu.mapapi.MKTransitRouteResult;
- import com.baidu.mapapi.MKWalkingRouteResult;
- import com.baidu.mapapi.MapActivity;
- import com.baidu.mapapi.MapController;
- import com.baidu.mapapi.MapView;
- import com.baidu.mapapi.PoiOverlay;
-
- public class BaiduMapActivity extends MapActivity
- {
-
- private BMapManager mapManager = null;
- private String key = "1B79478DA01F7800AEA8602517A6D89B38151105";
- private MapView mapView = null;
-
- @Override
- public void onCreate(Bundle savedInstanceState)
- {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- mapManager = new BMapManager(getApplication());
- mapManager.init(key, null);
- super.initMapActivity(mapManager);
- mapView = (MapView) findViewById(R.id.mapsView);
- mapView.setBuiltInZoomControls(true);
- MapController mapController = mapView.getController();
- mapController.setZoom(12);
-
-
- MKSearch mKSearch = new MKSearch();
- mKSearch.init(mapManager, new MySearchListener());
- mKSearch.poiSearchNearBy("KFC", new GeoPoint((int) (39.915 * 1E6),
- (int) (116.404 * 1E6)), 5000);
- }
-
- public class MySearchListener implements MKSearchListener
- {
- public void onGetAddrResult(MKAddrInfo arg0, int arg1)
- {}
-
- public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1)
- {}
-
- public void onGetPoiResult(MKPoiResult arg0, int arg1, int arg2)
- {
- if (arg0 == null) {
- return;
- }
- PoiOverlay poioverlay = new PoiOverlay(BaiduMapActivity.this, mapView);
- poioverlay.setData(arg0.getAllPoi());
- mapView.getOverlays().add(poioverlay);
- }
-
- public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1)
- {}
-
- public void onGetWalkingRouteResult(MKWalkingRouteResult arg0, int arg1)
- {}
- }
-
- @Override
- protected boolean isRouteDisplayed()
- {
- return false;
- }
-
- @Override
- protected void onDestroy()
- {
- if (mapManager != null)
- {
- mapManager.destroy();
- mapManager = null;
- }
- super.onDestroy();
- }
-
- @Override
- protected void onPause()
- {
- if (mapManager != null)
- {
- mapManager.stop();
- }
- super.onPause();
- }
-
- @Override
- protected void onResume()
- {
- if (mapManager != null)
- {
- mapManager.start();
- }
- super.onResume();
- }
- }
package xiaosi.baiduMap;
import android.os.Bundle;
import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.GeoPoint;
import com.baidu.mapapi.MKAddrInfo;
import com.baidu.mapapi.MKDrivingRouteResult;
import com.baidu.mapapi.MKPoiResult;
import com.baidu.mapapi.MKSearch;
import com.baidu.mapapi.MKSearchListener;
import com.baidu.mapapi.MKTransitRouteResult;
import com.baidu.mapapi.MKWalkingRouteResult;
import com.baidu.mapapi.MapActivity;
import com.baidu.mapapi.MapController;
import com.baidu.mapapi.MapView;
import com.baidu.mapapi.PoiOverlay;
public class BaiduMapActivity extends MapActivity
{
/** Called when the activity is first created. */
private BMapManager mapManager = null;
private String key = "1B79478DA01F7800AEA8602517A6D89B38151105";
private MapView mapView = null;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapManager = new BMapManager(getApplication());
mapManager.init(key, null);
super.initMapActivity(mapManager);
mapView = (MapView) findViewById(R.id.mapsView);
mapView.setBuiltInZoomControls(true); // 设置启用内置的缩放控件
MapController mapController = mapView.getController(); // 得到mMapView的控制权,可以用它控制和驱动平移和缩放
mapController.setZoom(12); // 设置地图zoom级别
MKSearch mKSearch = new MKSearch();
mKSearch.init(mapManager, new MySearchListener());// 注意,MKSearchListener只支持一个,以最后一次设置为准
mKSearch.poiSearchNearBy("KFC", new GeoPoint((int) (39.915 * 1E6),
(int) (116.404 * 1E6)), 5000);
}
public class MySearchListener implements MKSearchListener
{
public void onGetAddrResult(MKAddrInfo arg0, int arg1)
{}
public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1)
{}
public void onGetPoiResult(MKPoiResult arg0, int arg1, int arg2)
{
if (arg0 == null) {
return;
}
PoiOverlay poioverlay = new PoiOverlay(BaiduMapActivity.this, mapView);
poioverlay.setData(arg0.getAllPoi());
mapView.getOverlays().add(poioverlay);
}
public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1)
{}
public void onGetWalkingRouteResult(MKWalkingRouteResult arg0, int arg1)
{}
}
@Override
protected boolean isRouteDisplayed()
{
return false;
}
@Override
protected void onDestroy()
{
if (mapManager != null)
{
mapManager.destroy();
mapManager = null;
}
super.onDestroy();
}
@Override
protected void onPause()
{
if (mapManager != null)
{
mapManager.stop();
}
super.onPause();
}
@Override
protected void onResume()
{
if (mapManager != null)
{
mapManager.start();
}
super.onResume();
}
}
[java] view plain copy print ?
- package xiaosi.baiduMap;
-
- import android.app.AlertDialog;
- import android.content.DialogInterface;
- import android.os.Bundle;
-
- import com.baidu.mapapi.BMapManager;
- import com.baidu.mapapi.GeoPoint;
- import com.baidu.mapapi.MKAddrInfo;
- import com.baidu.mapapi.MKDrivingRouteResult;
- import com.baidu.mapapi.MKPoiInfo;
- import com.baidu.mapapi.MKPoiResult;
- import com.baidu.mapapi.MKSearch;
- import com.baidu.mapapi.MKSearchListener;
- import com.baidu.mapapi.MKTransitRouteResult;
- import com.baidu.mapapi.MKWalkingRouteResult;
- import com.baidu.mapapi.MapActivity;
- import com.baidu.mapapi.MapController;
- import com.baidu.mapapi.MapView;
- import com.baidu.mapapi.PoiOverlay;
-
- public class BaiduMapActivity extends MapActivity
- {
-
- private BMapManager mapManager = null;
- private String key = "1B79478DA01F7800AEA8602517A6D89B38151105";
- private MapView mapView = null;
- private MKSearch mKSearch;
- private MapController mapController = null;
-
- @Override
- public void onCreate(Bundle savedInstanceState)
- {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.main);
- mapManager = new BMapManager(getApplication());
- mapManager.init(key, null);
- super.initMapActivity(mapManager);
- mapView = (MapView) findViewById(R.id.mapView);
-
- mapView.setBuiltInZoomControls(true);
-
- mapController = mapView.getController();
-
- mapController.setZoom(12);
-
- mKSearch = new MKSearch();
- mKSearch.init(mapManager, new MySearchListener());
-
- if (mKSearch.poiSearchNearBy("KTV", new GeoPoint(
- (int) (36.001618315221194 * 1E6),
- (int) (120.11934041976929 * 1E6)), 5000) == -1)
- {
- System.out.println("失败");
- }
- else
- {
- System.out.println("成功");
- }
- }
-
- public class MySearchListener implements MKSearchListener
- {
- public void onGetAddrResult(MKAddrInfo arg0, int arg1)
- {
-
-
-
- }
-
- public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1)
- {
-
-
-
- }
-
- public void onGetPoiResult(MKPoiResult arg0, int arg1, int arg2)
- {
- String result = "";
-
-
-
- if (arg0 == null)
- {
- return;
- }
-
-
-
- PoiOverlay poioverlay = new PoiOverlay(BaiduMapActivity.this,
- mapView);
-
- poioverlay.setData(arg0.getAllPoi());
-
- mapView.getOverlays().add(poioverlay);
-
- if (arg0.getNumPois() > 0)
- {
-
- MKPoiInfo poiInfo = arg0.getPoi(0);
- mapController.setCenter(poiInfo.pt);
- }
-
-
- for (MKPoiInfo poiInfo : arg0.getAllPoi())
- {
- result = result + "\n"+ "名称:" + poiInfo.name + "\n" + "地址:" + poiInfo.address + "\n" + "城市:" + poiInfo.city;
- }
-
-
-
- AlertDialog.Builder builder = new AlertDialog.Builder(BaiduMapActivity.this);
- builder.setTitle("搜索结果");
- builder.setMessage(result);
- builder.setPositiveButton("关闭", new android.content.DialogInterface.OnClickListener(){
-
- public void onClick(DialogInterface dialog, int which) {
- dialog.dismiss();
- }
- });
- builder.show();
-
- }
-
- public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1)
- {
-
-
-
- }
-
- public void onGetWalkingRouteResult(MKWalkingRouteResult arg0, int arg1)
- {
-
-
-
- }
- }
-
- @Override
- protected boolean isRouteDisplayed()
- {
- return false;
- }
-
- @Override
- protected void onDestroy()
- {
- if (mapManager != null)
- {
- mapManager.destroy();
- mapManager = null;
- }
- super.onDestroy();
- }
-
- @Override
- protected void onPause()
- {
- if (mapManager != null)
- {
- mapManager.stop();
- }
- super.onPause();
- }
-
- @Override
- protected void onResume()
- {
- if (mapManager != null)
- {
- mapManager.start();
- }
- super.onResume();
- }
- }
package xiaosi.baiduMap;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.GeoPoint;
import com.baidu.mapapi.MKAddrInfo;
import com.baidu.mapapi.MKDrivingRouteResult;
import com.baidu.mapapi.MKPoiInfo;
import com.baidu.mapapi.MKPoiResult;
import com.baidu.mapapi.MKSearch;
import com.baidu.mapapi.MKSearchListener;
import com.baidu.mapapi.MKTransitRouteResult;
import com.baidu.mapapi.MKWalkingRouteResult;
import com.baidu.mapapi.MapActivity;
import com.baidu.mapapi.MapController;
import com.baidu.mapapi.MapView;
import com.baidu.mapapi.PoiOverlay;
public class BaiduMapActivity extends MapActivity
{
/** Called when the activity is first created. */
private BMapManager mapManager = null;
private String key = "1B79478DA01F7800AEA8602517A6D89B38151105";
private MapView mapView = null;
private MKSearch mKSearch;
private MapController mapController = null;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
mapManager = new BMapManager(getApplication());
mapManager.init(key, null);
super.initMapActivity(mapManager);
mapView = (MapView) findViewById(R.id.mapView);
// 设置启用内置的缩放控件
mapView.setBuiltInZoomControls(true);
// 得到mMapView的控制权,可以用它控制和驱动平移和缩放
mapController = mapView.getController();
// 设置地图zoom级别
mapController.setZoom(12);
mKSearch = new MKSearch();
mKSearch.init(mapManager, new MySearchListener());// 注意,MKSearchListener只支持一个,以最后一次设置为准
//搜索山东科技大学附近(5000)的KTV
if (mKSearch.poiSearchNearBy("KTV", new GeoPoint(
(int) (36.001618315221194 * 1E6),
(int) (120.11934041976929 * 1E6)), 5000) == -1)
{
System.out.println("失败");
}
else
{
System.out.println("成功");
}
}
public class MySearchListener implements MKSearchListener
{
public void onGetAddrResult(MKAddrInfo arg0, int arg1)
{
/*
* 返回地址信息搜索结果。 参数: arg0 - 搜索结果 arg1 - 错误号,0表示结果正确,result中有相关结果信息;100表示结果正确,无相关地址信息
*/
}
public void onGetDrivingRouteResult(MKDrivingRouteResult arg0, int arg1)
{
/*
* 返回驾乘路线搜索结果。 参数: arg0 - 搜索结果 arg1 - 错误号,0表示正确返回
*/
}
public void onGetPoiResult(MKPoiResult arg0, int arg1, int arg2)
{
String result = "";
/*
* 返回poi搜索结果。 参数: arg0 - 搜索结果 arg1 - 返回结果类型: MKSearch.TYPE_POI_LIST MKSearch.TYPE_AREA_POI_LIST MKSearch.TYPE_CITY_LIST arg2 - 错误号,0表示正确返回
*/
if (arg0 == null)
{
return;
}
// 清除地图上已有的所有覆盖物
// mapView.getOverlays().clear();
// PoiOverlay是baidu map api提供的用于显示POI的Overlay
PoiOverlay poioverlay = new PoiOverlay(BaiduMapActivity.this,
mapView);
// 在地图上显示PoiOverlay(将搜索到的兴趣点标注在地图上)
poioverlay.setData(arg0.getAllPoi());
// 为地图添加覆盖物
mapView.getOverlays().add(poioverlay);
//刚开始忘记加这几句代码,地图一直没改变,纠结了很长时间
if (arg0.getNumPois() > 0)
{
// 设置其中一个搜索结果所在地理坐标为地图的中心
MKPoiInfo poiInfo = arg0.getPoi(0);
mapController.setCenter(poiInfo.pt);
}
// 遍历当前页返回的搜索结果(默认只返回10个)
for (MKPoiInfo poiInfo : arg0.getAllPoi())
{
result = result + "\n"+ "名称:" + poiInfo.name + "\n" + "地址:" + poiInfo.address + "\n" + "城市:" + poiInfo.city;
}
//用AlertDialog来显示搜索到的内容
AlertDialog.Builder builder = new AlertDialog.Builder(BaiduMapActivity.this);
builder.setTitle("搜索结果");
builder.setMessage(result);
builder.setPositiveButton("关闭", new android.content.DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
builder.show();
}
public void onGetTransitRouteResult(MKTransitRouteResult arg0, int arg1)
{
/*
* 返回公交搜索结果。 参数: arg0 - 搜索结果 arg1 - 错误号,0表示正确返回, 当返回MKEvent.ERROR_ROUTE_ADDR时,表示起点或终点有歧义, 调用MKTransitRouteResult的getAddrResult方法获取推荐的起点或终点信息
*/
}
public void onGetWalkingRouteResult(MKWalkingRouteResult arg0, int arg1)
{
/*
* 返回步行路线搜索结果。 参数: arg0 - 搜索结果 arg1 - 错误号,0表示正确返回
*/
}
}
@Override
protected boolean isRouteDisplayed()
{
return false;
}
@Override
protected void onDestroy()
{
if (mapManager != null)
{
mapManager.destroy();
mapManager = null;
}
super.onDestroy();
}
@Override
protected void onPause()
{
if (mapManager != null)
{
mapManager.stop();
}
super.onPause();
}
@Override
protected void onResume()
{
if (mapManager != null)
{
mapManager.start();
}
super.onResume();
}
}