android 百度地图定位功能实现

历经几天时间，终于把定位功能给实现了，可谓是费劲千辛万苦啊，有定位知识还有图层知识，在这里我把代码给大家贴出来，一起分享一下下啦。

package com.example.foreveross.office;import com.baidu.location.BDLocation;import com.baidu.location.BDLocationListener;import com.baidu.location.LocationClient;import com.baidu.location.LocationClientOption;import com.baidu.mapapi.BMapManager;import com.baidu.mapapi.map.LocationData;import com.baidu.mapapi.map.MKMapViewListener;import com.baidu.mapapi.map.MapController;import com.baidu.mapapi.map.MapPoi;import com.baidu.mapapi.map.MapView;import com.baidu.mapapi.map.MyLocationOverlay;import com.baidu.platform.comapi.basestruct.GeoPoint;import com.example.wenandroid.R;import android.app.Activity;import android.content.res.Configuration;import android.location.Location;import android.location.LocationListener;import android.location.LocationManager;import android.os.Bundle;import android.view.Menu;import android.widget.FrameLayout;import android.widget.Toast;public class MapActivity extends Activity {BMapManager mBMapMan = null;MapView mMapView = null;MapController mMapController;MyLocationOverlay mLocationOverlay;LocationData locData = null;LocationClient mLocClient;public MyLocationListenner myListener = new MyLocationListenner();@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);mBMapMan = new BMapManager(getApplication());mBMapMan.init("BB3299207a600b8a035b76982adde60f", null);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mMapController = mMapView.getController();mMapController.setZoom(12);// 设置地图zoom级别// 定位初始化mLocClient = new LocationClient(this);locData = new LocationData();mLocClient.registerLocationListener(myListener);LocationClientOption option = new LocationClientOption();option.setOpenGps(true);// 打开gpsoption.setCoorType("bd09ll"); // 设置坐标类型option.setScanSpan(5000);mLocClient.setLocOption(option);mLocClient.start();// 定位图层初始化mLocationOverlay = new MyLocationOverlay(mMapView);// 设置定位数据mLocationOverlay.setData(locData);// 添加定位图层mMapView.getOverlays().add(mLocationOverlay);mLocationOverlay.enableCompass();// 修改定位数据后刷新图层生效mMapView.refresh();}//实现监听器 public class MyLocationListenner implements BDLocationListener {            @Override        public void onReceiveLocation(BDLocation location) {            if (location == null)                return ;                        locData.latitude = location.getLatitude();            locData.longitude = location.getLongitude();            //如果不显示定位精度圈，将accuracy赋值为0即可            locData.accuracy = location.getRadius();            locData.direction = location.getDerect();            //更新定位数据            mLocationOverlay.setData(locData);            //更新图层数据执行刷新后生效            mMapView.refresh();            //是手动触发请求或首次定位时，移动到定位点                        mMapController.animateTo(new GeoPoint((int)(locData.latitude* 1e6), (int)(locData.longitude *  1e6)));        }                public void onReceivePoi(BDLocation poiLocation) {            if (poiLocation == null){                return ;            }        }    }@Overrideprotected void onDestroy() {// TODO Auto-generated method stubmMapView.destroy();if (mBMapMan != null) {mBMapMan.destroy();mBMapMan = null;}super.onDestroy();}@Overrideprotected void onPause() {// TODO Auto-generated method stubmMapView.onPause();if (mBMapMan != null) {mBMapMan.stop();}super.onPause();}@Overrideprotected void onResume() {// 获取位置管理者，视图根据位置监听更新位置mLocationOverlay.getMyLocation();mLocationOverlay.enableCompass();mMapView.onResume();if (mBMapMan != null) {mBMapMan.start();}super.onResume();}}

需要用到的jar包大家可以到百度地图api网站上下载。主要依赖于下列包：

manifest.xml配置如下：

<?xml version="1.0" encoding="utf-8"?><manifest xmlns:android="http://schemas.android.com/apk/res/android"    package="com.example.wenandroid"    android:versionCode="1"    android:versionName="1.0" >    <supports-screens android:largeScreens="true"            android:normalScreens="true"            android:smallScreens="true"            android:resizeable="true"            android:anyDensity="true">    </supports-screens>        <uses-sdk        android:minSdkVersion="3" />    <permission android:name="android.permission.BAIDU_LOCATION_SERVICE"></permission>      <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"></uses-permission><uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"></uses-permission><uses-permission android:name="android.permission.ACCESS_WIFI_STATE"></uses-permission><uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"></uses-permission><uses-permission android:name="android.permission.CHANGE_WIFI_STATE"></uses-permission><uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"></uses-permission><uses-permission android:name="android.permission.INTERNET" /><uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission><uses-permission android:name="android.permission.READ_LOGS"></uses-permission><uses-permission android:name="android.permission.VIBRATE"></uses-permission><uses-permission android:name="android.permission.WRITE_SETTINGS"></uses-permission>     <uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>     <uses-permission android:name="android.permission.BAIDU_LOCATION_SERVICE"></uses-permission>    <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION"></uses-permission>     <uses-permission android:name="android.permission.ACCESS_GPS"></uses-permission>       <!--授予设置手机屏幕权限  -->    <uses-permission  android:name="android.permission.SET_WALLPAPER"/>        <application        android:allowBackup="true"        android:icon="@drawable/first"        android:label="@string/app_name"        android:theme="@style/AppTheme" >        <activity            android:name="com.example.foreveross.office.MapActivity"            android:label="@string/app_name" >            <intent-filter>                <action android:name="android.intent.action.MAIN" />                <category android:name="android.intent.category.LAUNCHER" />            </intent-filter>        </activity>                         <service android:name="com.baidu.location.f" android:enabled="true"android:process=":remote"><!--  <intent-filter><action android:name="com.baidu.location.service_v2.9"></action></intent-filter>--></service>    </application></manifest>

界面只有一个mapview地图控件，在此列出activity_main.xml：

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:orientation="vertical"    >        <com.baidu.mapapi.map.MapView android:id="@+id/bmapsView"    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:clickable="true" />    ></LinearLayout>

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