百度地图api实现定位功能

百度地图api实现定位功能

java代码

package com.demo.an.android.location;

import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.CompoundButton;
import android.widget.RadioGroup.OnCheckedChangeListener;
import android.widget.Toast;
import android.widget.ToggleButton;

import com.baidu.location.BDLocation;
import com.baidu.location.BDLocationListener;
import com.baidu.location.LocationClient;
import com.baidu.location.LocationClientOption;
import com.baidu.mapapi.map.BaiduMap;
import com.baidu.mapapi.map.BitmapDescriptor;
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.MyLocationConfiguration.LocationMode;
import com.baidu.mapapi.map.MyLocationData;
import com.baidu.mapapi.model.LatLng;

/**
 * 此demo用来展示如何结合定位SDK实现定位，并使用MyLocationOverlay绘制定位位置 同时展示如何使用自定义图标绘制并点击时弹出泡泡
 * 
 */
public class LocationDemo extends Activity {

	// 定位相关
	LocationClient mLocClient;
	public MyLocationListenner myListener = new MyLocationListenner();
	private LocationMode mCurrentMode;
	BitmapDescriptor mCurrentMarker;

	MapView mMapView;
	BaiduMap mBaiduMap;

	// UI相关
	OnCheckedChangeListener radioButtonListener;
	Button requestLocButton;
	ToggleButton togglebtn = null;
	boolean isFirstLoc = true;// 是否首次定位

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_location);
		requestLocButton = (Button) findViewById(R.id.button1);
		mCurrentMode = LocationMode.NORMAL;
		requestLocButton.setText("普通");
		OnClickListener btnClickListener = new OnClickListener() {
			public void onClick(View v) {
				switch (mCurrentMode) {
				case NORMAL:
					requestLocButton.setText("跟随");
					mCurrentMode = LocationMode.FOLLOWING;
					mBaiduMap
							.setMyLocationConfigeration(new MyLocationConfiguration(
									mCurrentMode, true, mCurrentMarker));
					break;
				case COMPASS:
					requestLocButton.setText("普通");
					mCurrentMode = LocationMode.NORMAL;
					mBaiduMap
							.setMyLocationConfigeration(new MyLocationConfiguration(
									mCurrentMode, true, mCurrentMarker));
					break;
				case FOLLOWING:
					requestLocButton.setText("罗盘");
					mCurrentMode = LocationMode.COMPASS;
					mBaiduMap
							.setMyLocationConfigeration(new MyLocationConfiguration(
									mCurrentMode, true, mCurrentMarker));
					break;
				}
			}
		};
		requestLocButton.setOnClickListener(btnClickListener);

		togglebtn = (ToggleButton) findViewById(R.id.togglebutton);
		togglebtn
				.setOnCheckedChangeListener(new android.widget.CompoundButton.OnCheckedChangeListener() {

					@Override
					public void onCheckedChanged(CompoundButton buttonView,
							boolean isChecked) {
						if (isChecked) {
							// 普通地图
							mBaiduMap.setMapType(BaiduMap.MAP_TYPE_SATELLITE);
						} else {
							// 卫星地图
							mBaiduMap.setMapType(BaiduMap.MAP_TYPE_NORMAL);
						}

					}
				});

		// 地图初始化
		mMapView = (MapView) findViewById(R.id.bmapView);
		mBaiduMap = mMapView.getMap();
		// 开启定位图层
		mBaiduMap.setMyLocationEnabled(true);
		// 定位初始化
		mLocClient = new LocationClient(this);
		mLocClient.registerLocationListener(myListener);
		LocationClientOption option = new LocationClientOption();
		option.setOpenGps(true);// 打开gps
		option.setCoorType("bd09ll"); // 设置坐标类型
		option.setScanSpan(1000);// 设置发起定位请求的间隔时间为1000ms
		option.setIsNeedAddress(true);
		mLocClient.setLocOption(option);
		mLocClient.start();
	}

	/**
	 * 定位SDK监听函数
	 */
	public class MyLocationListenner implements BDLocationListener {

		@Override
		public void onReceiveLocation(BDLocation location) {
			// map view 销毁后不在处理新接收的位置
			if (location == null || mMapView == null)
				return;
			MyLocationData locData = new MyLocationData.Builder()
					.accuracy(location.getRadius())
					// 此处设置开发者获取到的方向信息，顺时针0-360
					.direction(100).latitude(location.getLatitude())
					.longitude(location.getLongitude()).build();
			mBaiduMap.setMyLocationData(locData);
			if (isFirstLoc) {
				isFirstLoc = false;
				LatLng ll = new LatLng(location.getLatitude(),
						location.getLongitude());
				// MapStatusUpdate u = MapStatusUpdateFactory.newLatLng(ll);
				// 设置缩放比例,更新地图状态
				float f = mBaiduMap.getMaxZoomLevel();// 19.0
				MapStatusUpdate u = MapStatusUpdateFactory.newLatLngZoom(ll,
						f - 2);
				mBaiduMap.animateMapStatus(u);
				//地图位置显示
				Toast.makeText(LocationDemo.this, location.getAddrStr(),
						Toast.LENGTH_SHORT).show();
			}

		}

		public void onReceivePoi(BDLocation poiLocation) {
		}
	}

	@Override
	protected void onPause() {
		mMapView.onPause();
		super.onPause();
	}

	@Override
	protected void onResume() {
		mMapView.onResume();
		super.onResume();
	}

	@Override
	protected void onDestroy() {
		// 退出时销毁定位
		mLocClient.stop();
		// 关闭定位图层
		mBaiduMap.setMyLocationEnabled(false);
		mMapView.onDestroy();
		mMapView = null;
		super.onDestroy();
	}

}

activity_location.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent" >

    <com.baidu.mapapi.map.MapView
        android:id="@+id/bmapView"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:clickable="true" />

    <!--
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_marginTop="80dip"
        android:background="#D000"
        android:minWidth="100dip"
        android:orientation="vertical"
        android:padding="2dp" >

        <RadioGroup
            android:id="@+id/radioGroup"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:contentDescription="定位icon" >

            <RadioButton
                android:id="@+id/defaulticon"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:checked="true"
                android:text="默认图标" >
            </RadioButton>

            <RadioButton
                android:id="@+id/customicon"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:text="自定义图标" >
            </RadioButton>
        </RadioGroup>
    </LinearLayout>
    -->

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:layout_alignParentTop="true"
        android:layout_marginRight="10dp"
        android:layout_marginTop="10dip" />
    
    <ToggleButton 
        android:id="@+id/togglebutton"
        android:layout_below="@id/button1"
        android:layout_marginTop="10dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textOn="卫星地图"
        android:textOff="3D立方图"
        android:layout_alignParentRight="true"/>
    
</RelativeLayout>

AndroidManifest.xml的配置

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.demo.an.android.location"
    android:versionCode="1"
    android:versionName="1.0" >

    <uses-sdk
        android:minSdkVersion="15"
        android:targetSdkVersion="22" />

    <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.ACCESS_NETWORK_STATE" >
    </uses-permission>
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" >
    </uses-permission>
    <uses-permission android:name="android.permission.INTERNET" >
    </uses-permission>
    <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" >
    </uses-permission>
    <!-- <uses-permission android:name="android.permission.WRITE_APN_SETTINGS"></uses-permission> -->
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" >
    </uses-permission>
    <uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
    <uses-permission android:name="android.permission.WAKE_LOCK" >
    </uses-permission>
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.ACCESS_GPS" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.READ_CONTACTS" />
    <uses-permission android:name="android.permission.CALL_PHONE" />
    <uses-permission android:name="android.permission.READ_SMS" />
    <uses-permission android:name="android.permission.SEND_SMS" />
    <!-- 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? -->
    <uses-permission android:name="android.permission.GET_TASKS" />
    <uses-permission android:name="android.permission.CAMERA" >
    </uses-permission>
    <uses-permission android:name="android.permission.RECORD_AUDIO" >
    </uses-permission>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" >
    </uses-permission>
    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
    <uses-permission android:name="android.permission.BROADCAST_STICKY" />
    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
    <!-- 来电消音 -->
    <uses-permission android:name="android.permission.PROCESS_OUTGOING_CALLS" >
    </uses-permission>
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.MODIFY_AUDIO_SETTINGS" />

    <supports-screens
        android:anyDensity="true"
        android:largeScreens="true"
        android:normalScreens="false"
        android:resizeable="true"
        android:smallScreens="true" />

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <meta-data
            android:name="com.baidu.lbsapi.API_KEY"
            android:value="DD279b2a90afdf0ae7a3796787a0742e" />

        <activity
            android:name=".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>
        <activity
            android:name="com.demo.an.android.location.LocationDemo"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"
            android:theme="@android:style/Theme.Holo.Light.NoActionBar" >
        </activity>
        <activity
            android:name="com.demo.an.android.location.BaseMapDemo"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"
            android:theme="@android:style/Theme.Holo.Light.NoActionBar" >
        </activity>
        <activity
            android:name="com.demo.an.android.location.OpenBaiduMap"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"
            android:theme="@android:style/Theme.Holo.Light.NoActionBar" >
        </activity>
        <activity
            android:name="com.demo.an.android.location.RoutePlanDemo"
            android:configChanges="orientation|keyboardHidden"
            android:screenOrientation="portrait"
            android:theme="@android:style/Theme.Holo.Light.NoActionBar" >
        </activity>

        <service
            android:name="com.baidu.location.f"
            android:enabled="true"
            android:process=":remote" >
        </service>
    </application>

</manifest>

认真写完，就可以实现上面定位的功能。