百度地图上定位自己的位置

一、准备（因涉及到个人隐私，只有部分截图）

        1.注册百度开发者帐号

        2.到百度地图开放平台创建应用   申请API Key   下载地址http://lbsyun.baidu.com/apiconsole/key

        3.下载Android版百度地图SDk    下载地址：http://lbsyun.baidu.com/index.php?title=androidsdk/sdkandev-download

        4.新建一个BaiduMapShow项目，并将包命名为com.example. baidumaptest。

        二 、接下来是主要代码部分  

     （1）MainActivity

package com.example.baidumaptest;

import java.util.List;

import com.baidu.mapapi.BMapManager;
import com.baidu.mapapi.map.LocationData;
import com.baidu.mapapi.map.MapController;
import com.baidu.mapapi.map.MapView;
import com.baidu.mapapi.map.MyLocationOverlay;
import com.baidu.mapapi.map.PopupOverlay;
import com.baidu.platform.comapi.basestruct.GeoPoint;

import android.app.Activity;
import android.content.Context;
import android.graphics.Bitmap;
import android.location.Location;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.Toast;

public class MainActivity extends Activity {

	private BMapManager manager;

	private MapView mapView;
	private LocationManager locationManager;

	private String provider;


	@Override
	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		manager = new BMapManager(this);
		manager.init("SHVPoTtIpzfonPD3HCkc5sIt", null);
		setContentView(R.layout.activity_main);
		mapView = (MapView) findViewById(R.id.map_view);
		mapView.setBuiltInZoomControls(true);
		locationManager = (LocationManager) getSystemService(Context. LOCATION_SERVICE);
		// 获取所有可用的位置提供器
		List<String> providerList = locationManager.getProviders(true);
		if (providerList.contains(LocationManager.GPS_PROVIDER)) {
			provider = LocationManager.GPS_PROVIDER;
		} else if (providerList.contains(LocationManager.NETWORK_PROVIDER)) {
			provider = LocationManager.NETWORK_PROVIDER;
		} else {
			// 当没有可用的位置提供器时，弹出Toast提示用户
			Toast.makeText(this, "No location provider to use", Toast.LENGTH_SHORT).show();
			return;
		}
		Location location = locationManager.getLastKnownLocation(provider);
		if (location != null) {
			navigateTo(location);
		}
	}

	private void navigateTo(Location location) {
		MapController controller = mapView.getController();
		controller.setZoom(16); // 设置缩放级别
		GeoPoint point = new GeoPoint((int) (location.getLatitude() * 1E6),
							(int) (location.getLongitude() * 1E6));
		controller.setCenter(point);
	    // 设置地图中心点
		MyLocationOverlay myLocationOverlay = new MyLocationOverlay(mapView);
		LocationData locationData = new LocationData();
		// 指定我的位置
		locationData.latitude = location.getLatitude();
		locationData.longitude = location.getLongitude();
		myLocationOverlay.setData(locationData);
		mapView.getOverlays().add(myLocationOverlay);
		mapView.refresh(); // 刷新使新增覆盖物生效
	}
	
	PopupOverlay pop = new PopupOverlay(mapView, new PopupClickListener() {
		@Override
		public void onClickedPopup(int index) {
			// 相应图片的点击事件
			Toast.makeText(MainActivity.this,
					"You clicked button " + index, Toast.LENGTH_SHORT). show();
		}
	});
	// 创建一个长度为3的Bitmap数组
	Bitmap[] bitmaps = new Bitmap[3];
	try {
		// 将三张图片读取到内存中
		bitmaps[0] = BitmapFactory.decodeResource(getResources(), R.drawable.left);
		bitmaps[1] = BitmapFactory.decodeResource(getResources(), R.drawable.middle);
		bitmaps[2] = BitmapFactory.decodeResource(getResources(), R.drawable.right);
	} catch (Exception e) {
		e.printStackTrace();
	}
	pop.showPopup(bitmaps, point, 18);
}

	@Override
	protected void onResume() {
		mapView.onResume();
		if (manager != null) {
			manager.start();
		}
		super.onResume();
	}

	@Override
	protected void onPause() {
		mapView.onPause();
		if (manager != null) {
			manager.stop();
		}
		super.onPause();
	}
	
	@Override
	protected void onDestroy() {
		mapView.destroy();
		if (manager != null) {
			manager.destroy();
			manager = null;
		}
		super.onDestroy();
	}
	
}

    （2）AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.baidumaptest"
    android:versionCode="1"
    android:versionName="1.0" >
    
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
    <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.WRITE_SETTINGS" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
    <uses-permission android:name="android.permission.CALL_PHONE" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_MOCK_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_GPS" />
    

    <uses-sdk
        android:minSdkVersion="8"
        android:targetSdkVersion="18" />
    

    <application
        android:allowBackup="true"
        android:icon="@drawable/ic_launcher"
        android:label="@string/app_name"
        android:theme="@style/AppTheme" >
        <activity
            android:name="com.example.baidumaptest.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>
    </application>

</manifest>

（3）activity_main.xml

<LinearLayout 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/map_view"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:clickable="true" />

</LinearLayout>

接下来向大家展示程序的整体运行效果

    （图片截屏于华为荣耀8客户端）