百度map可视化定位效果，可以输入目的地定位

  1 package com.lixu.baidu_gps;  2   3 import com.baidu.location.BDLocation;  4 import com.baidu.location.BDLocationListener;  5 import com.baidu.location.LocationClient;  6 import com.baidu.location.LocationClientOption;  7 import com.baidu.mapapi.SDKInitializer;  8 import com.baidu.mapapi.map.BaiduMap;  9 import com.baidu.mapapi.map.MapStatusUpdate; 10 import com.baidu.mapapi.map.MapStatusUpdateFactory; 11 import com.baidu.mapapi.map.MapView; 12 import com.baidu.mapapi.map.MyLocationData; 13 import com.baidu.mapapi.model.LatLng; 14 import com.baidu.mapapi.search.geocode.GeoCodeOption; 15 import com.baidu.mapapi.search.geocode.GeoCodeResult; 16 import com.baidu.mapapi.search.geocode.GeoCoder; 17 import com.baidu.mapapi.search.geocode.OnGetGeoCoderResultListener; 18 import com.baidu.mapapi.search.geocode.ReverseGeoCodeResult; 19 import android.app.Activity; 20 import android.os.Bundle; 21 import android.view.View; 22 import android.view.View.OnClickListener; 23 import android.widget.Button; 24 import android.widget.EditText; 25 import android.widget.Toast; 26  27 public class MainActivity extends Activity { 28     private LocationClient mLocationClient = null; 29     private BaiduMap mBaiduMap = null; 30     private GeoCoder geocoder; 31     private EditText et1, et2; 32  33     @Override 34     protected void onCreate(Bundle savedInstanceState) { 35         super.onCreate(savedInstanceState); 36  37         SDKInitializer.initialize(getApplicationContext()); 38  39         setContentView(R.layout.activity_main); 40  41         mLocationClient = new LocationClient(this); 42         // 获取百度地图的视图控件 43         MapView baidumapview = (MapView) findViewById(R.id.baidumv); 44  45         mBaiduMap = baidumapview.getMap(); 46         // 设置地图指针 47         mBaiduMap.setMyLocationEnabled(true); 48  49         // 处理百度地图开源项目的定位偏差 50         LocationClientOption option = new LocationClientOption(); 51         option.setCoorType("bd09ll"); 52  53         mLocationClient.setLocOption(option); 54  55         MyLocationListenner myListenner = new MyLocationListenner(); 56         mLocationClient.registerLocationListener(myListenner); 57         mLocationClient.start(); 58  59         geocoder = GeoCoder.newInstance(); 60  61         geocoder.setOnGetGeoCodeResultListener(new OnGetGeoCoderResultListener() { 62  63             @Override 64             public void onGetReverseGeoCodeResult(ReverseGeoCodeResult location) { 65             } 66  67             @Override 68             public void onGetGeoCodeResult(GeoCodeResult location) { 69                 // 根据输入地址来获得经纬度 70                 LatLng ll = location.getLocation(); 71                 // 获取精度纬度完成定位 72                 MyLocationData mMyLocationData = new MyLocationData.Builder().latitude(ll.latitude) 73                         .longitude(ll.longitude).build(); 74  75                 // 设置定位球的位置 76                 mBaiduMap.setMyLocationData(mMyLocationData); 77                 // 移动定位球到中心位置 78  79                 MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(ll); 80                 mBaiduMap.animateMapStatus(msu); 81  82             } 83         }); 84  85         et1 = (EditText) findViewById(R.id.et1); 86  87         et2 = (EditText) findViewById(R.id.et2); 88  89         Button btn = (Button) findViewById(R.id.sousuo); 90  91         btn.setOnClickListener(new OnClickListener() { 92  93             @Override 94             public void onClick(View v) { 95                 if (et1.getText().toString().equals("") || et2.getText().toString().equals("")) { 96                     Toast.makeText(getApplicationContext(), "请输入地址", 0).show(); 97                 } else 98                     geocoder.geocode( 99                             new GeoCodeOption().city(et1.getText().toString()).address(et2.getText().toString()));100 101             }102         });103 104     }105 106     private class MyLocationListenner implements BDLocationListener {107 108         @Override109         public void onReceiveLocation(BDLocation location) {110             // 获取精度纬度完成定位111             MyLocationData mMyLocationData = new MyLocationData.Builder().latitude(location.getLatitude())112                     .longitude(location.getLongitude()).build();113 114             // 设置定位球的位置115             mBaiduMap.setMyLocationData(mMyLocationData);116             // 移动定位球到中心位置117             LatLng ll = new LatLng(location.getLatitude(), location.getLongitude());118             MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(ll);119             mBaiduMap.animateMapStatus(msu);120 121         }122 123     }124 125     // 程序退出时关闭126     @Override127     protected void onDestroy() {128         mLocationClient.stop();129         mBaiduMap.clear();130         geocoder.destroy();131         super.onDestroy();132     }133 134 }

 1 <?xml version="1.0" encoding="utf-8"?> 2 <manifest xmlns:android="http://schemas.android.com/apk/res/android" 3     package="com.lixu.baidu_gps" 4     android:versionCode="1" 5     android:versionName="1.0" > 6  7     <uses-sdk 8         android:minSdkVersion="19" 9         android:targetSdkVersion="19" />10 11     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >12     </uses-permission>13     <uses-permission android:name="android.permission.INTERNET" >14     </uses-permission>15     <uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />16     <uses-permission android:name="android.permission.WAKE_LOCK" >17     </uses-permission>18     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />19     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />20     <!-- SDK1.5需要android.permission.GET_TASKS权限判断本程序是否为当前运行的应用? -->21     <uses-permission android:name="android.permission.GET_TASKS" />22     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >23     </uses-permission>24     <uses-permission android:name="android.permission.WRITE_SETTINGS" />25     <!-- 这个权限用于进行网络定位 -->26     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" >27     </uses-permission>28     <!-- 这个权限用于访问GPS定位 -->29     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" >30     </uses-permission>31     <!-- 用于访问wifi网络信息，wifi信息会用于进行网络定位 -->32     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" >33     </uses-permission>34     <!-- 获取运营商信息，用于支持提供运营商信息相关的接口 -->35     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >36     </uses-permission>37     <!-- 这个权限用于获取wifi的获取权限，wifi信息会用来进行网络定位 -->38     <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" >39     </uses-permission>40     <!-- 用于读取手机当前的状态 -->41     <uses-permission android:name="android.permission.READ_PHONE_STATE" >42     </uses-permission>43     <!-- 写入扩展存储，向扩展卡写入数据，用于写入离线定位数据 -->44     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >45     </uses-permission>46     <!-- 访问网络，网络定位需要上网 -->47     <uses-permission android:name="android.permission.INTERNET" />48     <!-- SD卡读取权限，用户写入离线定位数据 -->49     <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" >50     </uses-permission>51     <!-- 允许应用读取低级别的系统日志文件 -->52     <uses-permission android:name="android.permission.READ_LOGS" >53     </uses-permission>54 55     <application56         android:allowBackup="true"57         android:icon="@drawable/ic_launcher"58         android:label="@string/app_name"59         android:theme="@style/AppTheme" >60         <activity61             android:name=".MainActivity"62             android:label="@string/app_name" >63             <intent-filter>64                 <action android:name="android.intent.action.MAIN" />65 66                 <category android:name="android.intent.category.LAUNCHER" />67             </intent-filter>68         </activity>69 70         <meta-data71             android:name="com.baidu.lbsapi.API_KEY"72             android:value="TkWtCcaqum3XHoUSHwjHTVoA" />73 74         <service75             android:name="com.baidu.location.f"76             android:enabled="true"77             android:process=":remote" >78         </service>79     </application>80 81 </manifest>

 1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 2     xmlns:tools="http://schemas.android.com/tools" 3     android:layout_width="match_parent" 4     android:layout_height="match_parent" > 5  6     <LinearLayout 7         android:id="@+id/ll" 8         android:layout_width="match_parent" 9         android:layout_height="wrap_content"10         android:orientation="horizontal" >11 12         <EditText13             android:id="@+id/et1"14             android:layout_weight="1"15             android:layout_width="wrap_content"16             android:layout_height="wrap_content"17             android:hint="请输入城市名" />18         <EditText19             android:id="@+id/et2"20             android:layout_weight="1"21             android:layout_width="wrap_content"22             android:layout_height="wrap_content"23             android:hint="请输入街道名" />24 25         <Button26             android:id="@+id/sousuo"27             android:layout_width="wrap_content"28             android:layout_height="wrap_content"29             android:text="搜索" />30     </LinearLayout>31 32     <com.baidu.mapapi.map.MapView33         android:id="@+id/baidumv"34         android:layout_below="@id/ll"35         android:layout_width="match_parent"36         android:layout_height="match_parent" />37 38 </RelativeLayout>