百度地图定位

最终效果

实验过程

在AndroidManifest.xml中添加权限、密钥

//获取设备网络状态，禁用后无法获取网络状态

//网络权限，当禁用后，无法进行检索等相关业务

//读取设备硬件信息，统计数据

//读取系统信息，包含系统版本等信息，用作统计


//获取设备的网络状态，鉴权所需网络代理

//允许sd卡写权限，需写入地图数据，禁用后无法显示地图

//获取统计数据

//使用步行AR导航，配置Camera权限

<applicationandroid:allowBackup="true"android:icon="@mipmap/ic_launcher"android:label="@string/app_name"android:roundIcon="@mipmap/ic_launcher_round"android:supportsRtl="true"android:theme="@style/AppTheme"><activity android:name=".MainActivity"><intent-filter><action android:name="android.intent.action.MAIN" /><category android:name="android.intent.category.LAUNCHER" /></intent-filter></activity><!-- 声明service组件 --><serviceandroid:name="com.baidu.location.f"android:enabled="true"android:process=":remote" ></service><meta-dataandroid:name="com.baidu.lbsapi.API_KEY"android:value="申请好的密钥" />
</application>

activity_main.xml设置布局

<itemandroid:id="@+id/menu_item_mylocation"android:title="我的位置"app:showAsAction="never" />
<itemandroid:id="@+id/menu_item_sitesearch"android:title="地址搜索"app:showAsAction="never" />

MainActivity：

package com.example.mymap;

import android.content.Context;
import android.os.Looper;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.Window;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.SDKInitializer;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
import com.baidu.mapapi.map.BitmapDescriptorFactory;
import com.baidu.mapapi.map.MapStatusUpdate;
import com.baidu.mapapi.map.MapStatusUpdateFactory;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationConfiguration;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

public class MainActivity extends AppCompatActivity {
private MapView mMapView = null;//地图控件
private BaiduMap mBaiduMap;//百度地图对象
private Context context;
//实现定位相关数据类型
private LocationClient mLocationClient;//定位服务客户对象
private MyLocationListener myLocationListener;//重写的监听类
private boolean isFirstIn = true;
private double mLatitude;//存储自己的纬度
private double mLongitude;//存储自己的经度
private float myCurrentX;

private BitmapDescriptor myIconLocation1;//当前位置的箭头图标
private MyOrientationListener myOrientationListener;//方向感应器类对象
private MyLocationConfiguration.LocationMode locationMode;//定位图层显示方式
private LinearLayout myLinearLayout2; //地址搜索区域@Override
protected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);requestWindowFeature(Window.FEATURE_NO_TITLE);SDKInitializer.initialize(getApplicationContext());//自4.3.0起，百度地图SDK所有接口均支持百度坐标和国测局坐标，用此方法设置您使用的坐标类型.//包括BD09LL和GCJ02两种坐标，默认是BD09LL坐标。setContentView(R.layout.activity_main);this.context = this;initView();//初始化定位initLocation();
}private void initLocation() {locationMode = MyLocationConfiguration.LocationMode.NORMAL;//客户端的定位服务mLocationClient = new LocationClient(this);myLocationListener = new MyLocationListener();//注册监听器mLocationClient.registerLocationListener(myLocationListener);//设置定位参数LocationClientOption option = new LocationClientOption();//设置坐标类型option.setCoorType("bd09ll");//设置是否需要地址信息，默认为无地址option.setIsNeedAddress(true);//设置是否打开gps进行定位option.setOpenGps(true);//设置扫描间隔为1秒option.setScanSpan(1000);//传入设置好的信息mLocationClient.setLocOption(option);//初始化图标,BitmapDescriptorFactory是bitmap描述信息工厂类myIconLocation1 = BitmapDescriptorFactory.fromResource(R.drawable.location_marker);//配置定义的图层,使之生效MyLocationConfiguration configuration = new MyLocationConfiguration(locationMode,true,myIconLocation1);mBaiduMap.setMyLocationConfiguration(configuration);myOrientationListener = new MyOrientationListener(context);//接口回调来实现实时方向的改变myOrientationListener.setOnOrientationListener(new MyOrientationListener.OnOrientationListener() {@Overridepublic void onOrientationChanged(float x) {myCurrentX = x;}});
}private void initView() {//获取地图控件引用mMapView = (MapView) findViewById(R.id.bmapView);//设置地图放大比例mBaiduMap = mMapView.getMap();MapStatusUpdate msu = MapStatusUpdateFactory.zoomTo(15.0f);mBaiduMap.setMapStatus(msu);
}/*** 创建菜单操作*/
@Override
public boolean onCreateOptionsMenu(Menu menu){getMenuInflater().inflate(R.menu.menu_main,menu);return true;
}@Override
public boolean onOptionsItemSelected(MenuItem item){switch (item.getItemId()){/*** 返回自己所在位置*/case R.id.menu_item_mylocation:getLocationByLL(mLatitude,mLongitude);break;/*** 根据地址名前往所在的位置*/case R.id.menu_item_sitesearch:myLinearLayout2 = (LinearLayout)findViewById(R.id.linearLayout2);//显示地址搜索区域myLinearLayout2.setVisibility(View.VISIBLE);final EditText myEditText_site = (EditText) findViewById(R.id.editText_site);Button button_site = (Button) findViewById(R.id.button_sitesearch);button_site.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {final String site_str = myEditText_site.getText().toString();new Thread(new Runnable() {@Overridepublic void run() {AddressToLatitudeLongitude at = new AddressToLatitudeLongitude(site_str);at.getLatAndLngByAddress();Looper.prepare();getLocationByLL(at.getLatitude(),at.getLongitude());Looper.loop();}}).start();//隐藏前面地址输入区域myLinearLayout2.setVisibility(View.GONE);//隐藏输入法键盘InputMethodManager imm = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);imm.hideSoftInputFromWindow(v.getWindowToken(),0);}});break;}return super.onOptionsItemSelected(item);
}/*** 根据经纬度返回当前位置* @param la* @param lg*/
private void getLocationByLL(double la, double lg) {LatLng latLng = new LatLng(la,lg);//描述地图状态将要发生的变化,通过当前经纬度来使地图显示到该位置MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(latLng);mBaiduMap.setMapStatus(msu);getLatAndLng(la,lg);
}/*** 返回当前位置的经纬度,并以闪现消息的方式显示*/
private void getLatAndLng(double la, double lg){String latAndlng = "经度："+ String.valueOf(lg) + "\n" + "纬度：" + String.valueOf(la);Toast.makeText(context,latAndlng,Toast.LENGTH_LONG).show();
}@Override
protected void onStart() {super.onStart();//开启定位mBaiduMap.setMyLocationEnabled(true);if(!mLocationClient.isStarted()){mLocationClient.start();}myOrientationListener.start();
}
@Override
protected void onStop() {super.onStop();//停止定位mBaiduMap.setMyLocationEnabled(false);mLocationClient.stop();myOrientationListener.stop();
}
@Override
protected void onDestroy() {super.onDestroy();//在activity执行onDestroy时执行mMapView.onDestroy()，实现地图生命周期管理mMapView.onDestroy();
}
@Override
protected void onResume() {super.onResume();//在activity执行onResume时执行mMapView. onResume ()，实现地图生命周期管理mMapView.onResume();
}
@Override
protected void onPause() {super.onPause();//在activity执行onPause时执行mMapView. onPause ()，实现地图生命周期管理mMapView.onPause();
}private class MyLocationListener implements BDLocationListener{@Overridepublic void onReceiveLocation(BDLocation location) {mLatitude = location.getLatitude();mLongitude = location.getLongitude();MyLocationData data = new MyLocationData.Builder()//.direction(myCurrentX)//.accuracy(location.getRadius())//.latitude(mLatitude)//.longitude(mLongitude).build();mBaiduMap.setMyLocationData(data);if (isFirstIn){/*LatLng latLng = new LatLng(location.getLatitude(),location.getLongitude());MapStatusUpdate msu = MapStatusUpdateFactory.newLatLng(latLng);mBaiduMap.animateMapStatus(msu);*/getLocationByLL(mLatitude,mLongitude);isFirstIn = false;//Toast.makeText(context,location.getAddrStr(),Toast.LENGTH_LONG).show();}}
}

}

源码地址为：
https://gitee.com/whqhhh/baidudingwei.git