(android地图开发) 基于百度Lbs服务定位用户的当前位置

柔光的暖阳◎ 2023-10-19 00:54 90阅读 0赞

第一步：搭建百度地图(LBS)服务

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第二步：配置百度Lbs服务权限

<?xml version="1.0" encoding="utf-8"?>
    <manifest xmlns:android="http://schemas.android.com/apk/res/android"
        package="com.rf.mapabc"
        android:versionCode="1"
        android:versionName="1.0" >
    
        <uses-sdk
            android:minSdkVersion="7"
            android:targetSdkVersion="7" />
    
        <application
            android:allowBackup="true"
            android:icon="@drawable/ic_launcher"
            android:label="@string/app_name"
            android:theme="@style/AppTheme" >
            
          	 <meta-data
          	    android:name="com.amap.api.v2.apikey"
                android:value="3f4f2c4d98836da847b7c3f7b8302450" />
            <activity
                android:name="com.rf.mapabc.MainActivity"
                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">            
            </service>
        </application>
    
        
        <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.INTERNET" >
        </uses-permission>
        <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" >
        </uses-permission>
        <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
        </uses-permission>
        <uses-permission android:name="android.permission.READ_PHONE_STATE" >
        </uses-permission>
        <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" >
        </uses-permission>
        <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" >
        </uses-permission>
    	
    	<uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>
    	<permission android:name="android.permission.BAIDU_LOCATION_SERVICE"></permission>
    	<uses-permission android:name="android.permission.BAIDU_LOCATION_SERVICE"></uses-permission>	
    	<uses-permission android:name="android.permission.ACCES_MOCK_LOCATION"></uses-permission>
    	<uses-permission android:name="android.permission.ACCESS_GPS" />	
    	<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"></uses-permission>
    	<uses-permission android:name="android.permission.READ_LOGS"></uses-permission>
    
    </manifest>

效果截图：

![Center 1][]

源代码：

package com.rf.mapabc;
    
    import com.amap.mapapi.core.GeoPoint;
    import com.amap.mapapi.map.MapActivity;
    import com.amap.mapapi.map.MapController;
    import com.amap.mapapi.map.MapView;
    import com.baidu.location.BDLocation;
    import com.baidu.location.BDLocationListener;
    import com.baidu.location.LocationClient;
    import com.baidu.location.LocationClientOption;
    import android.os.Bundle;
    import android.os.Handler;
    import android.os.Message;
    import android.widget.Toast;
    
    public class MainActivity extends MapActivity {
    	private MapView mMapView;
    	private MapController mMapController;
    	private GeoPoint point;
    
    	// 百度地图LBS定位
    	private LocationClient mLocationClient;
    	private MyLocationListener locationlistener;
    
    	// 主线程Handler
    	private Handler handler = new Handler() {
    		@Override
    		public void handleMessage(Message msg) {
    			// TODO Auto-generated method stub
    			switch (msg.what) {
    			case 0:
    				Bundle bundle = msg.getData();
    				double lat = bundle.getDouble("x");
    				double lng = bundle.getDouble("y");
    				point = new GeoPoint((int) (lat * 1E6), (int) (lng * 1E6));
    				Toast.makeText(MainActivity.this,
    						"相关经纬度：" + lat + "\r\t" + lng, Toast.LENGTH_LONG)
    						.show();
    				mMapController.setCenter(point); // 设置地图中心点
    				mMapController.setZoom(12); // 设置地图zoom级别
    				break;
    			}
    		}
    	};
    
    	@Override
    	/**
    	 *显示栅格地图，启用内置缩放控件，并用MapController控制地图的中心点及Zoom级别
    	 */
    	public void onCreate(Bundle savedInstanceState) {
    		super.onCreate(savedInstanceState);
    		setContentView(R.layout.mapview);
    		// 获取地图组件
    		mMapView = (MapView) findViewById(R.id.mapView);
    		mMapView.setBuiltInZoomControls(true); // 设置启用内置的缩放控件
    		mMapController = mMapView.getController(); // 得到mMapView的控制权,可以用它控制和驱动平移和缩放
    		point = new GeoPoint((int) (39.982378 * 1E6), (int) (116.304923 * 1E6)); // 用给定的经纬度构造一个GeoPoint，单位是微度
    																					// (度
    																					// *
    																					// 1E6)
    		mMapController.setCenter(point); // 设置地图中心点
    		mMapController.setZoom(12); // 设置地图zoom级别
    
    		// 百度地位
    		mLocationClient = new LocationClient(this);
    		locationlistener = new MyLocationListener(handler);
    		mLocationClient.registerLocationListener(locationlistener);
    		mLocationClient.start();
    		if (mLocationClient != null && mLocationClient.isStarted()) {
    			setLocationOption();
    			mLocationClient.requestLocation();
    		}
    	}
    
    	// 实时位置的显示的问题（LBS）
    	public class MyLocationListener implements BDLocationListener {
    		private Handler handle;
    
    		public MyLocationListener(Handler handle) {
    			super();
    			this.handle = handle;
    		}
    
    		@Override
    		public void onReceiveLocation(BDLocation location) {
    			// TODO Auto-generated method stub
    			//获取经纬度
    			double x = location.getLatitude();
    			double y = location.getLongitude();
    
    			Message message = new Message();
    			Bundle bundle = new Bundle();
    			bundle.putDouble("x", x);
    			bundle.putDouble("y", y);
    			message.setData(bundle);
    			message.what = 0;
    			handle.sendMessage(message);
    
    		}
    
    		@Override
    		public void onReceivePoi(BDLocation arg0) {
    			// TODO Auto-generated method stub
    		}
    	}
    
    	// 查询条件显示
    	private void setLocationOption() {
    		LocationClientOption option = new LocationClientOption();
    		option.setOpenGps(true);
    		option.setAddrType("all");// 返回的定位结果包含地址信息
    		option.setCoorType("bd09ll");// 返回的定位结果是百度经纬度,默认值gcj02
    		option.setScanSpan(5000);// 设置发起定位请求的间隔时间为5000ms
    		option.disableCache(true);// 禁止启用缓存定位
    		option.setPoiNumber(5); // 最多返回POI个数
    		option.setPoiDistance(1000); // poi查询距离
    		option.setPoiExtraInfo(true); // 是否需要POI的电话和地址等详细信息
    		mLocationClient.setLocOption(option);
    	}
    }

[Center]: https://img-blog.csdn.net/20130814172638593?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhvdXpoaXdlbmdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center
[Center 1]: https://img-blog.csdn.net/20130814173016890?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvemhvdXpoaXdlbmdhbmc=/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70/gravity/Center