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高德地图——搜索

2016-06-22 08:07 633 查看
这里使用的高德搜索SDK为: AMap_Search_V3.30_20160616.jar

地图SDK提供了一系列的接口来方便用户获取高德LBS数据,目前主要支持的检索有:

• 兴趣点搜索:

1. 关键字搜索

2. 周边搜索

3. 指定区域搜索(与关键字搜索相同,这里不再介绍)

4. 团购/优惠搜索(这里不做介绍)

5. POI深度信息(这里不做介绍)

• 输入提示搜索

• 路径规划

• 公交线路查询

• 坐标/地址查询

注意:

这里仅仅进行简单的介绍,简单的记录一下学习笔记!

希望对大家能够起到一个抛砖引玉的作用

关键字搜索

搜索条件设置

您需要通过 PoiSearch.Query(String query, String ctgr, String city) 设置搜索条件

参数“ query” 为搜索的关键字,“ ctgr” 为搜索类型(类型参照表从相关下载处获取),“ city”为搜索城市,

关键字、类型至少输入一个,搜索城市必须输入,

通过 Query.setPageSize(int) 设置查询每页的结果数目;

通过 Query.setPageNum(int) 设置查询第几页

发送请求和接收数据

使用 PoiSearch.searchPOIAsyn() 搜索 POI,

使用 PoiSearch.setOnPoiSearchListener()方法设置监听器,

在 PoiSearch.OnPoiSearchListener 接口回调方法

onPoiSearched(PoiResult poiResult,int rCode)中处理返回结果,当指定搜索城市时,若没有返回 POI 结果,则会返回包含关键字的建议城市名称

int currentPage = 0;
// 第一个参数表示搜索字符串,第二个参数表示POI搜索类型,二选其一
// 第三个参数表示POI搜索区域的编码,必设
query = new PoiSearch.Query("kfc", "餐饮", "北京");
// 设置每页最多返回多少条poiitem
query.setPageSize(10);
// 设置查第一页
query.setPageNum(currentPage);
PoiSearch poiSearch = new PoiSearch(this, query);
//设置搜索完成后的回调
poiSearch.setOnPoiSearchListener(this);
//进行异步查询
poiSearch.searchPOIAsyn();


@Override
public void onPoiItemSearched(PoiItem arg0, int arg1) {

}

public void onPoiSearched(PoiResult result, int rCode) {
if (result != null && result.getQuery() != null) {
if (result.getQuery().equals(query)) {
poiResult = result;
List<PoiItem> poiItems = poiResult.getPois();
if (poiItems != null && poiItems.size() > 0) {
// 清理之前的图标,将查询结果显示在地图上
aMap.clear();
PoiOverlay poiOverlay = new PoiOverlay(aMap, poiItems);
poiOverlay.removeFromMap();
poiOverlay.addToMap();
poiOverlay.zoomToSpan();
}else{
// 当搜索不到poiitem数据时,会返回含有搜索关键字的城市信息
List<SuggestionCity> suggestionCities = poiResult
.getSearchSuggestionCitys();
}
}
}


完整代码如下:

package com.hang.helloamap;

import java.util.List;

import android.app.Activity;
import android.os.Bundle;

import com.amap.api.maps.AMap;
import com.amap.api.maps.MapView;
import com.amap.api.maps.overlay.PoiOverlay;
import com.amap.api.services.core.PoiItem;
import com.amap.api.services.core.SuggestionCity;
import com.amap.api.services.poisearch.PoiResult;
import com.amap.api.services.poisearch.PoiSearch;
import com.amap.api.services.poisearch.PoiSearch.Query;

public class BasePoiSearchActivity extends Activity implements
PoiSearch.OnPoiSearchListener {
MapView mapView;
AMap aMap;
Query query = null;
PoiResult poiResult = null;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView=new MapView(this);
setContentView(mapView);
mapView.onCreate(savedInstanceState);

aMap = mapView.getMap();

int currentPage = 0;
// 第一个参数表示搜索字符串,第二个参数表示POI搜索类型,二选其一
// 第三个参数表示POI搜索区域的编码,必设
query = new PoiSearch.Query("kfc", "餐饮", "北京");
query.setPageSize(10);// 设置每页最多返回多少条poiitem
query.setPageNum(currentPage);// 设置查第一页
PoiSearch poiSearch = new PoiSearch(this, query);
poiSearch.setOnPoiSearchListener(this);
poiSearch.searchPOIAsyn();

}

@Override
public void onPoiItemSearched(PoiItem arg0, int arg1) {

}

public void onPoiSearched(PoiResult result, int rCode) {
if (result != null && result.getQuery() != null) {
if (result.getQuery().equals(query)) {
poiResult = result;
List<PoiItem> poiItems = poiResult.getPois();
if (poiItems != null && poiItems.size() > 0) {
aMap.clear();// 清理之前的图标
PoiOverlay poiOverlay = new PoiOverlay(aMap, poiItems);
poiOverlay.removeFromMap();
poiOverlay.addToMap();
poiOverlay.zoomToSpan();
}else{
// 当搜索不到poiitem数据时,会返回含有搜索关键字的城市信息
List<SuggestionCity> suggestionCities = poiResult
.getSearchSuggestionCitys();
}
}
}
}

@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}




周边搜索

在关键字基础上通过PoiSearch.SearchBound(LatLonPoint center, int

radiusInMeters) 设置周边圆形搜索范围,参数 “ center” 为搜索的中心点坐标,“ radiusInMeters” 为周边搜索的范围

为了更好的演示效果,这里多添加一点东西

package com.hang.helloamap;

import java.util.List;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;

import com.amap.api.maps.AMap;
import com.amap.api.maps.MapView;
import com.amap.api.maps.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.CircleOptions;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.model.MarkerOptions;
import com.amap.api.maps.overlay.PoiOverlay;
import com.amap.api.services.core.LatLonPoint;
import com.amap.api.services.core.PoiItem;
import com.amap.api.services.core.SuggestionCity;
import com.amap.api.services.poisearch.PoiResult;
import com.amap.api.services.poisearch.PoiSearch;
import com.amap.api.services.poisearch.PoiSearch.Query;
import com.amap.api.services.poisearch.PoiSearch.SearchBound;
import com.pansoft.oilgas.gaodenavigation.R;

public class PoiBoundSearchActivity extends Activity implements
PoiSearch.OnPoiSearchListener {
MapView mapView;
AMap aMap;

Query query = null;
PoiResult poiResult = null;
Marker locationMarker;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView = new MapView(this);
setContentView(mapView);

mapView.onCreate(savedInstanceState);

aMap = mapView.getMap();

int currentPage = 0;
// 第一个参数表示搜索字符串,第二个参数表示POI搜索类型二选其一
// 第三个参数表示POI搜索区域的编码,必设
query = new PoiSearch.Query("", "餐厅", "北京");

query.setPageSize(10);// 设置每页最多返回多少条poiitem
query.setPageNum(currentPage);// 设置查第一页
PoiSearch poiSearch = new PoiSearch(this, query);

locationMarker = aMap.addMarker(new MarkerOptions()
.anchor(0.5f, 1)
.icon(BitmapDescriptorFactory
.fromResource(R.drawable.ic_launcher))
.position(new LatLng(39.908127, 116.375257))
.title("西单为中心点,查其周边"));
/*定义marker 图标的锚点(anchor),锚点是marker 图标接触地图平面的点,图标的左顶点为(0,0)点,右底点为(1,1)点,默认为(0.5,1.0)展示一下搜索中心位置,以及一些文本信息*/
locationMarker.showInfoWindow();
//在要搜索的范围中添加一个白色背景&&黑色边线,凸显搜索范围
{
CircleOptions circleOptions = new CircleOptions();
circleOptions.center(locationMarker.getPosition());
circleOptions.radius(200);
circleOptions.fillColor(Color.WHITE);
circleOptions.strokeColor(Color.BLACK);
circleOptions.strokeWidth(10);
aMap.addCircle(circleOptions);
}
//设置搜索的范围
poiSearch.setBound(new SearchBound(
new LatLonPoint(locationMarker.getPosition().latitude,
locationMarker.getPosition().longitude), 200));

poiSearch.setOnPoiSearchListener(this);
poiSearch.searchPOIAsyn();

}

@Override
public void onPoiItemSearched(PoiItem arg0, int arg1) {

}

public void onPoiSearched(PoiResult result, int rCode) {
// 搜索POI的结果
if (result != null && result.getQuery() != null) {
// 是否是同一条
if (result.getQuery().equals(query)) {
poiResult = result;
// 取得搜索到的poiitems有多少页
int resultPages = poiResult.getPageCount();
// 取得第一页的poiitem数据,页数从数字0开始
List<PoiItem> poiItems = poiResult.getPois();
if (poiItems != null && poiItems.size() > 0) {
// aMap.clear();// 清理之前的图标
PoiOverlay poiOverlay = new PoiOverlay(aMap, poiItems);
poiOverlay.removeFromMap();
poiOverlay.addToMap();
poiOverlay.zoomToSpan();
} else {
// 当搜索不到poiitem数据时,会返回含有搜索关键字的城市信息
List<SuggestionCity> suggestionCities = poiResult
.getSearchSuggestionCitys();
}
}
}
}

@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}




输入提示搜索

使用一个简单的例子来进行说明

使用一个简单的布局,获取一个AutoCompleteTextView的实例

<?xml version="1.0" encoding="utf-8"?>
<AutoCompleteTextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/autocomplete"
android:layout_width="fill_parent"
android:layout_height="wrap_content" />


package com.hang.helloamap;

import java.util.ArrayList;

public class PoiInputInfoActivity extends Activity implements TextWatcher {
AutoCompleteTextView autoCompleteTextView;
ArrayAdapter<String> adapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.act_poi_input_info);

autoCompleteTextView=(AutoCompleteTextView)findViewById(R.id.autocomplete);
autoCompleteTextView.addTextChangedListener(this);
autoCompleteTextView.setThreshold(1);

}

@Override
public void beforeTextChanged(CharSequence s, int start, int count,
int after) {

}

@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {

}

@Override
public void afterTextChanged(Editable s) {
if (!TextUtils.isEmpty(s.toString())) {
Inputtips inputTips = new Inputtips(this,
//搜索结果的处理
new InputtipsListener() {
@Override
public void onGetInputtips(final List<Tip> tipList, int rCode) {
if(tipList!=null&&tipList.size()>0){

List<String> listString = new ArrayList<>();
for (int i = 0; i < tipList.size(); i++) {
listString.add(tipList.get(i).getName());
}

adapter = new ArrayAdapter<String>(
PoiInputInfoActivity.this,
android.R.layout.simple_dropdown_item_1line);
autoCompleteTextView.setAdapter(adapter);
adapter.addAll(listString);

}
}
});
try {
// 发送输入提示请求
// 第一个参数表示提示关键字,第二个参数默认代表全国,也可以为城市区号
inputTips.requestInputtips(s.toString(), "");
} catch (AMapException e) {
e.printStackTrace();
}
}
}

}




步行路径规划

步行路径规划可以根据起终点和步行路线的数据,使用WalkRouteOverlay 画出步行路线图层,包括起终点和转弯点,另外也可以自定义起终点和步行转弯点的图标

1.设置搜索条件

通过 WalkRouteQuery(RouteSearch.FromAndTo ft, int mode) 设置搜索条件,参数ft,路径的起终点;mode,计算路径的模式,可选,默认为最快捷

2.发送请求和接收数据

根据给出的起终点坐标和路径的模式(模式类型参照参考手册类 RouteSearch),使用类 RouteSearch 的calculateWalkRouteAsyn(WalkRouteQuery query)

方法进行步行规划路径计算,在 RouteSearch.OnRouteSearchListener 接口回

调方法 void onWalkRouteSearched(WalkRouteResult walkRouteResult,int rCode) 处理步行规划路径结果

做一个Demo,体验一下效果

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.os.Bundle;

import com.amap.api.maps.AMap;
import com.amap.api.maps.MapView;
import com.amap.api.maps.overlay.WalkRouteOverlay;
import com.amap.api.services.core.LatLonPoint;
import com.amap.api.services.route.BusRouteResult;
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;

public class QueryPoiActivity extends Activity implements
RouteSearch.OnRouteSearchListener{
MapView mapView;
AMap aMap;
RouteSearch routeSearch;
WalkRouteResult walkRouteResult;
@Override
public void onBusRouteSearched(BusRouteResult busRouteResult, int i) {

}

@Override
public void onDriveRouteSearched(DriveRouteResult driveRouteResult, int i) {

}

@Override
public void onWalkRouteSearched(WalkRouteResult result, int rCode) {
if(rCode == 1000){
if(result != null && result.getPaths() != null && result.getPaths().size() > 0){
walkRouteResult = result;
WalkPath walkPath = walkRouteResult.getPaths().get(0);
aMap.clear();//清理之前的图标
WalkRouteOverlay walkRouteOverlay = new WalkRouteOverlay(
this, aMap, walkPath,walkRouteResult.getStartPos(),
walkRouteResult.getTargetPos());
walkRouteOverlay.removeFromMap();
walkRouteOverlay.addToMap();
walkRouteOverlay.zoomToSpan();
}
}
}

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView=new MapView(this);
setContentView(mapView);
mapView.onCreate(savedInstanceState);

aMap = mapView.getMap();

routeSearch = new RouteSearch(this);
routeSearch.setRouteSearchListener(this);
//千佛山
LatLonPoint startPoint=new LatLonPoint(36.6302087907,117.0290366152);
//大明湖
LatLonPoint endPoint=new LatLonPoint(36.6634645884,117.0115754929);

RouteSearch.FromAndTo fromAndTo=new RouteSearch.FromAndTo(startPoint,endPoint);
int walkMode=RouteSearch.WalkDefault;
RouteSearch.WalkRouteQuery query = new RouteSearch.WalkRouteQuery(fromAndTo, walkMode);
routeSearch.calculateWalkRouteAsyn(query);

}

@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}




公交路径规划

这个和步行路径规范只有很少的差别,写一个Demo感受一下

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.os.Bundle;

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.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.DriveRouteResult;
import com.amap.api.services.route.RouteSearch;
import com.amap.api.services.route.WalkPath;
import com.amap.api.services.route.WalkRouteResult;

public class QueryPoiActivity extends Activity implements
RouteSearch.OnRouteSearchListener {
MapView mapView;
AMap aMap;
RouteSearch routeSearch;
BusRouteResult busRouteResult;

@Override
public void onBusRouteSearched(BusRouteResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getPaths() != null && result.getPaths().size() > 0) {
busRouteResult = result;
BusPath busPath = busRouteResult.getPaths().get(0);
aMap.clear();//清理之前的图标
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) {

}

@Override
public void onWalkRouteSearched(WalkRouteResult result, int rCode) {
}

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView = new MapView(this);
setContentView(mapView);
mapView.onCreate(savedInstanceState);

aMap = mapView.getMap();

routeSearch = new RouteSearch(this);
routeSearch.setRouteSearchListener(this);

//千佛山
LatLonPoint startPoint = new LatLonPoint(36.6302087907, 117.0290366152);
//大明湖
LatLonPoint endPoint = new LatLonPoint(36.6634645884, 117.0115754929);

RouteSearch.FromAndTo fromAndTo = new RouteSearch.FromAndTo(startPoint, endPoint);

int busMode = RouteSearch.BusLeaseChange;
String city = "济南";
int calculateNight = 0;

/* 第一个参数表示路径规划的起点和终点,第二个参数表示公交查询模式 第三个参数表示公交查询城市区号,第四个参数表示是否计算夜班车, 0表示不计算*/
RouteSearch.BusRouteQuery query = new RouteSearch.BusRouteQuery(fromAndTo, busMode, city, calculateNight);
routeSearch.calculateBusRouteAsyn(query);

}

@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}




驾车路径规划

驾车路径规划可以根据起终点和驾车路线的数据,使用 DrivingRouteOverlay 画出驾车路线图层,包括起终点和转弯点,另外也可以自定义起终点和驾车转弯点的图标

1.设置搜索条件

目前驾车路径规划支持途经点、避让区域以及支持选择一条避让道路,通过

DriveRouteQuery(RouteSearch.FromAndTo ft, int mode, List

passedByPoints, List avoidpolygons, String avoidRoad) 设置搜索条件

• 参数 ft,路径的起终点;

• mode,计算路径的模式,可选,默认为速度优先;

• passedByPoints,途经点,可选;

• avoidpolygons,避让区域,可选;

2.发送请求和接收数据

使用类 RouteSearch 的 calculateDriveRouteAsyn(DriveRouteQuery query)

方法进行驾车规划路径计算,在 RouteSearch.OnRouteSearchListener 接口回

调方法 void onDriveRouteSearched(DriveRouteResult driveRouteResult,int

rCode) 处理驾车路径规划结果

不罗嗦了,写一个Demo感受一下

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.os.Bundle;

import com.amap.api.maps.AMap;
import com.amap.api.maps.MapView;
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.WalkRouteResult;

public class QueryPoiActivity extends Activity implements
RouteSearch.OnRouteSearchListener {
MapView mapView;
AMap aMap;
RouteSearch routeSearch;
DriveRouteResult driveRouteResult;

@Override
public void onBusRouteSearched(BusRouteResult result, int rCode) {
}

@Override
public void onDriveRouteSearched(DriveRouteResult result, int rCode) {
if(rCode == 1000){
if(result != null && result.getPaths() != null && result.getPaths().size() > 0){
driveRouteResult = result;
DrivePath drivePath = driveRouteResult.getPaths().get(0);
aMap.clear();//清理之前的图标
DrivingRouteOverlay drivingRouteOverlay = new DrivingRouteOverlay(
this, aMap, drivePath,driveRouteResult.getStartPos(),
driveRouteResult.getTargetPos());
drivingRouteOverlay.removeFromMap();
drivingRouteOverlay.addToMap();
drivingRouteOverlay.zoomToSpan();
}
}}

@Override
public void onWalkRouteSearched(WalkRouteResult result, int rCode) {
}

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView = new MapView(this);
setContentView(mapView);
mapView.onCreate(savedInstanceState);

aMap = mapView.getMap();

routeSearch = new RouteSearch(this);
routeSearch.setRouteSearchListener(this);

//千佛山
LatLonPoint startPoint = new LatLonPoint(36.6302087907, 117.0290366152);
//大明湖
LatLonPoint endPoint = new LatLonPoint(36.6634645884, 117.0115754929);

RouteSearch.FromAndTo fromAndTo = new RouteSearch.FromAndTo(startPoint, endPoint);
int drivingMode = RouteSearch.DrivingDefault;
// 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.DriveRouteQuery query = new RouteSearch.DriveRouteQuery(fromAndTo, drivingMode, null, null, "");
routeSearch.calculateDriveRouteAsyn(query);

}

@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}




公交线路查询

您可以根据线路名称、途经站点、线路ID查询公交线路信息,根据线路名称和ID可以通过如下方法查询:

1.设置搜索条件

根据 BusLineSearch(Context act, new BusQuery(String query,

BusLineQuery.SearchType ctgr, String city)) 创建一个 BusLineSearch 对象,并设置查询条件,查询类型参数 ctgr 此处设置为 :

BusLineQuery.SearchType.BY_LINE_NAME(名称查询)或

BusLineQuery.SearchType. BY_LINE_ID(ID查询)

2.发送请求和接收数据

使用 BusLineSearch.searchBusLineAsyn() 搜索公交线路,在

BusLineSearch.OnBusLineSearchListener 的接口回调方法

onBusLineSearched(BusLineResult busLineResult, int rCode) 处理返回结果,

当根据线路名称搜索无结果时,会自动匹配关键字为途经点名称进行搜索

一个小Demo,看一下效果吧

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.os.Bundle;

import com.amap.api.services.busline.BusLineItem;
import com.amap.api.services.busline.BusLineQuery;
import com.amap.api.services.busline.BusLineResult;
import com.amap.api.services.busline.BusLineSearch;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity implements
BusLineSearch.OnBusLineSearchListener {
BusLineQuery busLineQuery;
BusLineResult busLineResult;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
busLineQuery = new BusLineQuery("116", BusLineQuery.SearchType.BY_LINE_NAME, "济南");
busLineQuery.setPageSize(10);
busLineQuery.setPageNumber(0);
BusLineSearch busLineSearch = new BusLineSearch(this, busLineQuery);
busLineSearch.setOnBusLineSearchListener(this);
busLineSearch.searchBusLineAsyn();
}

public void onBusLineSearched(BusLineResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getQuery() != null &&
result.getQuery().equals(busLineQuery)) {
if (result.getQuery().getCategory() == BusLineQuery.SearchType.BY_LINE_NAME) {
if (result.getPageCount() > 0 && result.getBusLines() != null
&& result.getBusLines().size() > 0) {
busLineResult = result;
List<BusLineItem> lineItems = result.getBusLines();
ArrayList<BusLineItem> arrayList = new ArrayList<>();
arrayList.addAll(lineItems);

BusLineDialogFragment busLineDialogFragment = new BusLineDialogFragment();

Bundle bundle = new Bundle();
bundle.putParcelableArrayList("data", arrayList);
busLineDialogFragment.setArguments(bundle);
busLineDialogFragment.show(getFragmentManager(), "xxxx");

}
}
}
}
}

}


package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.os.Parcel;

import com.amap.api.services.busline.BusLineItem;
import com.amap.api.services.busline.BusLineQuery;
import com.amap.api.services.busline.BusLineResult;
import com.amap.api.services.busline.BusLineSearch;

import java.util.ArrayList;
import java.util.List;

public class BusLineDialogFragment extends DialogFragment {

private String[] busArray;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

ArrayList<BusLineItem> busLineResultList = getArguments().getParcelableArrayList("data");
busArray = new String[busLineResultList.size()];

for (int j = 0; j < busLineResultList.size(); j++) {
busArray[j] = busLineResultList.get(j).getBusLineName();
}

}

@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setItems(busArray, null);
builder.setPositiveButton("知道了", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
dismiss();
}
});
builder.setTitle("查询结果");

return builder.show();

}
}


不熟悉DialogFragment的同学,请参考:

AlterDialog在DialogFragment中的使用



前面那个例子挺无聊的,下面做一个有点实际应用价值的——查询经过某一个站点的所有公交线路

如果通过途经站点查询可以使用如下方法:

1.设置搜索条件

根据 BusStationSearch(Context act, new BusQuery(String query, String

city)) 创建一个 BusStationSearch 对象,并设置查询条件

2.发送请求和接收数据

通过设置 busStationSearch.setOnBusLineSearchListener(this)监听,使用

BusStationSearch.searchBusStationAsyn() 搜索结果,并通过

OnBusStationSearchListener.onBusStationSearched() 返回数据,结果返回车站ID、车站经纬度坐标、车站区域编码、车站名称、经过此公交站的公交路线等信息

下面咱们查询一下途经大济南齐鲁软件园的公交线路

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.os.Bundle;

import com.amap.api.services.busline.BusStationItem;
import com.amap.api.services.busline.BusStationQuery;
import com.amap.api.services.busline.BusStationResult;
import com.amap.api.services.busline.BusStationSearch;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity implements
BusStationSearch.OnBusStationSearchListener {

BusStationQuery busStationQuery;
BusStationSearch busStationSearch;
BusStationResult busStationResult;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

busStationQuery = new BusStationQuery("齐鲁软件园", "济南");
busStationSearch = new BusStationSearch(this, busStationQuery);
busStationSearch.setOnBusStationSearchListener(this);
busStationSearch.searchBusStationAsyn();
}

@Override
public void onBusStationSearched(BusStationResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getQuery() != null &&
result.getQuery().equals(busStationQuery)) {
if (result.getPageCount() > 0 && result.getBusStations() != null
&& result.getBusStations().size() > 0) {
busStationResult = result;
List<BusStationItem> stationItems = result.getBusStations();
ArrayList<BusStationItem> arrayList = new ArrayList<>();
arrayList.addAll(stationItems);
BusStationDialogFragment busStationDialogFragment = new BusStationDialogFragment();

Bundle bundle = new Bundle();
bundle.putParcelableArrayList("data", arrayList);
busStationDialogFragment.setArguments(bundle);
busStationDialogFragment.show(getFragmentManager(), "xxxx");

}
}

}

}
}


package com.pansoft.oilgas.gaodenavigation;

import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;

import com.amap.api.services.busline.BusStationItem;

import java.util.ArrayList;

public class BusStationDialogFragment extends DialogFragment {

private String[] busArray;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

ArrayList<BusStationItem> stationList = getArguments().getParcelableArrayList("data");
ArrayList<String> busLineList = new ArrayList<>();

for (int j = 0; j < stationList.size(); j++) {

for (int jj = 0; jj < stationList.get(j).getBusLineItems().size(); jj++) {
busLineList.add(stationList.get(j).getBusLineItems().get(jj).getBusLineName());
}

}
busArray = new String[busLineList.size()];

for (int j = 0; j < busArray.length; j++) {
busArray[j] = busLineList.get(j);
}
}

@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
builder.setItems(busArray, null);
builder.setPositiveButton("知道了", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
dismiss();
}
});
builder.setTitle("查询结果");

return builder.show();

}
}




坐标/地址查询

目前高德地图API仅支持中国范围内的地理及逆地理编码,且只支持中文的中国地图数据,不支持英文或汉语拼音的中国地图数据

1.地理编码

地理编码是将中文地址(或地名描述)转换为地理坐标的功能,根据给定的地理名称和查询城市,返回地理编码的结果列表

2.逆地理编码

逆地理编码时将地理坐标转换为中文地址(地名描述)的功能,逆地理编码搜索时,还会返回坐标点附近的 POI(兴趣点)、道路以及交叉路口等信息,目前高德地图 Android SDK 支持高德类型坐标、 GPS 坐标的逆地理编码查询

下面通过一个例子来讲解一下使用方法

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.widget.TextView;

import com.amap.api.services.busline.BusStationItem;
import com.amap.api.services.busline.BusStationQuery;
import com.amap.api.services.busline.BusStationResult;
import com.amap.api.services.busline.BusStationSearch;
import com.amap.api.services.core.LatLonPoint;
import com.amap.api.services.geocoder.GeocodeAddress;
import com.amap.api.services.geocoder.GeocodeQuery;
import com.amap.api.services.geocoder.GeocodeResult;
import com.amap.api.services.geocoder.GeocodeSearch;
import com.amap.api.services.geocoder.RegeocodeQuery;
import com.amap.api.services.geocoder.RegeocodeResult;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends Activity implements
GeocodeSearch.OnGeocodeSearchListener {
final String tag = MainActivity.class.getSimpleName();
GeocodeSearch geocoderSearch;
private TextView textView;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);

textView = new TextView(this);
setContentView(textView);
geocoderSearch = new GeocodeSearch(this);
geocoderSearch.setOnGeocodeSearchListener(this);
/*1.地理编码请求
第一个参数表示地址,
第二个参数表示查询城市,中文或者中文全拼, citycode、 adcode */
GeocodeQuery query = new GeocodeQuery("齐鲁软件园", "济南");
geocoderSearch.getFromLocationNameAsyn(query);

//2.逆地理编码请求
LatLonPoint latLonPoint = new LatLonPoint(36.67264, 117.133608);
/* 第一个参数表示一个Latlng,第二参数表示范围多少米,第三个参数表示是火系坐标系还是GPS原生坐标系  */
RegeocodeQuery query2 = new RegeocodeQuery(latLonPoint, 200, GeocodeSearch.AMAP);
geocoderSearch.getFromLocationAsyn(query2);

}

@Override
public void onRegeocodeSearched(RegeocodeResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getRegeocodeAddress() != null
&& result.getRegeocodeAddress().getFormatAddress() != null) {
textView.append(result.getRegeocodeQuery().getPoint() + ":\n");
textView.append("在" + result.getRegeocodeAddress().getFormatAddress() + "附近\n");
}
} else {
}
}

@Override
public void onGeocodeSearched(GeocodeResult result, int rCode) {
if (rCode == 1000) {
if (result != null && result.getGeocodeAddressList() != null
&& result.getGeocodeAddressList().size() > 0) {
GeocodeAddress address = result.getGeocodeAddressList().get(0);
String addressName = "经纬度值:" + address.getLatLonPoint()
+ "\n位置描述:" + address.getFormatAddress();
Log.d(tag, addressName);
textView.append(address.getFormatAddress() + "的经纬度坐标为:\n");
textView.append(address.getLatLonPoint() + "\n");
} else {
}
}
}
}




图片覆盖层(GroundOverlay)

添加图片覆盖层需要通过设置中心点或者图片区域来确定图片覆盖层的位置,初始化一个 GroundOverlayOptions 对象来设置图片层图片区域、透明度、锚点、要显示的图片,使用 AMap.addGroundOverlay(GroundOverlayOptions) 将此图片层添加到地图,图片覆盖层的属性如下:

• anchor图片和指定点的对齐方式,[0,0]是左上角,[1,1]是右下角如果不设置,默认为[0.5,0.5]图片的中心点

• bearing图片覆盖层相对锚点从正北顺时针的旋转角度

• image此图片覆盖层的图片

• visible 设置“false ” ,线不可见

• position根据描点和宽高设置图片层,在显示时,图片会被缩放来适应指定的尺寸

• transparency图片覆盖层的透明度,默认透明度为0,不透明

啰嗦一个完整的例子,这里只有addOverlayToMap是添加图覆层的方法,其都是加载地图的逻辑

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
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.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.GroundOverlay;
import com.amap.api.maps.model.GroundOverlayOptions;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.LatLngBounds;

public class QueryPoiActivity extends Activity {
MapView mapView;
AMap aMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView = new MapView(this);
setContentView(mapView);
mapView.onCreate(savedInstanceState);
aMap = mapView.getMap();
addOverlayToMap();

}

private void addOverlayToMap() {
// 设置当前地图显示为北京市恭王府
aMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(39.936713, 116.386475), 19));
//设置图片的显示区域
LatLngBounds bounds = new LatLngBounds.Builder()
.include(new LatLng(39.935029, 116.384377))
.include(new LatLng(39.939577, 116.388331)).build();
GroundOverlay groundoverlay = aMap.addGroundOverlay(new GroundOverlayOptions()
.anchor(0.5f, 0.5f).transparency(0.1f)
.image(BitmapDescriptorFactory.fromResource(R.drawable.bg_ground))
.positionFromBounds(bounds));
}

@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}


在这里bg_ground.png,就是一个简单的白色色块



动画标记

• icons 设置标记图标的动画帧列表

• period设置标记动画刷新一次图片资源的周期

来个小例子感受一下,addGifIcon是关键,其他是加载地图的部分

package com.pansoft.oilgas.gaodenavigation;

import android.app.Activity;
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.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.GroundOverlay;
import com.amap.api.maps.model.GroundOverlayOptions;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.LatLngBounds;
import com.amap.api.maps.model.Marker;
import com.amap.api.maps.model.MarkerOptions;

import java.util.ArrayList;

public class QueryPoiActivity extends Activity {
MapView mapView;
AMap aMap;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mapView = new MapView(this);
setContentView(mapView);
mapView.onCreate(savedInstanceState);
aMap = mapView.getMap();
addGifIcon();

}
public void addGifIcon(){

//声明一个动画帧集合
ArrayList giflist = new ArrayList();
//添加每一帧图片
giflist.add(BitmapDescriptorFactory.fromResource(R.drawable.navigation_left));
giflist.add(BitmapDescriptorFactory.fromResource(R.drawable.navigation_up));
giflist.add(BitmapDescriptorFactory.fromResource(R.drawable.navigation_down));

//设置远小近大效果,2.1.0版本新增;设置刷新一次图片资源的周期
Marker beijingMarker= aMap.addMarker(new MarkerOptions().anchor(0.5f, 0.5f)
.position(new LatLng(39.9081028469,116.3867795961)).title("北京市")
.snippet("北京市:39.9081028469,116.3867795961").icons(giflist)
.perspective(true).draggable(true).period(50));
beijingMarker.showInfoWindow();
// 设置默认显示一个info window
}
@Override
protected void onResume() {

super.onResume();
mapView.onResume();
}

@Override
protected void onPause() {

super.onPause();
mapView.onPause();
}

@Override
protected void onDestroy() {

super.onDestroy();
mapView.onDestroy();
}
}




用到的图片资源有:







特别声明

这里参考了高德地图官方文档的很多内容,但例子都经过了自己验证的!
内容来自用户分享和网络整理,不保证内容的准确性,如有侵权内容,可联系管理员处理 点击这里给我发消息