目前以开发出根据经纬度定位、根据地址定位、返回当前位置三个功能,项目不日会发到github供大家参考!!
地图项目实例https://github.com/wangleihitcs/MyMap/tree/master
1.申请百度地图key
2.导入基本的百度地图jar包和so文件
基本功能是定位,根据经纬度、地址查询等简单操作。
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.wanglei.mymap">
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="com.android.launcher.permission.READ_SETTINGS" />
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE" />
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.GET_TASKS" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.WRITE_SETTINGS" />
<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_NETWORK_STATE"/>
<application
android: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">
<meta-data
android:name="com.baidu.lbsapi.API_KEY"
android:value="KlXVjLVaGQZUk5z8i13mAPL805aFXE8n" />
<activity android:name=".MainActivity">
<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>
manifest>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal"
android:id="@+id/linearLayout1"
android:visibility="gone"
>
<EditText
android:layout_width="120dp"
android:layout_height="match_parent"
android:hint="经度"
android:id="@+id/editText_lg" />
<EditText
android:layout_width="120dp"
android:layout_height="match_parent"
android:hint="纬度"
android:id="@+id/editText_la" />
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:hint="前往"
android:id="@+id/button_llsearch"/>
LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:orientation="horizontal"
android:id="@+id/linearLayout2"
android:visibility="gone"
>
<EditText
android:layout_width="240dp"
android:layout_height="match_parent"
android:hint="地址"
android:id="@+id/editText_site" />
<Button
android:layout_width="match_parent"
android:layout_height="match_parent"
android:hint="前往"
android:id="@+id/button_sitesearch"/>
LinearLayout>
<com.baidu.mapapi.map.MapView
android:id="@+id/baiduMapView"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:clickable="true" />
LinearLayout>
package com.example.wanglei.mymap;
import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.inputmethod.InputMethodManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.LinearLayout;
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 ActionBarActivity {
private MapView myMapView = null;//地图控件
private BaiduMap myBaiduMap;//百度地图对象
private LocationClient mylocationClient;//定位服务客户对象
private MylocationListener mylistener;//重写的监听类
private Context context;
private double myLatitude;//纬度,用于存储自己所在位置的纬度
private double myLongitude;//经度,用于存储自己所在位置的经度
private float myCurrentX;
private BitmapDescriptor myIconLocation1;//图标1,当前位置的箭头图标
// private BitmapDescriptor myIconLocation2;//图表2,前往位置的中心图标
private MyOrientationListener myOrientationListener;//方向感应器类对象
private MyLocationConfiguration.LocationMode locationMode;//定位图层显示方式
// private MyLocationConfiguration.LocationMode locationMode2;//定位图层显示方式
private LinearLayout myLinearLayout1; //经纬度搜索区域1
private LinearLayout myLinearLayout2; //地址搜索区域2
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// requestWindowFeature(Window.FEATURE_NO_TITLE);
SDKInitializer.initialize(getApplicationContext());
setContentView(R.layout.activity_main);
this.context = this;
initView();
initLocation();
}
private void initView() {
myMapView = (MapView) findViewById(R.id.baiduMapView);
myBaiduMap = myMapView.getMap();
//根据给定增量缩放地图级别
MapStatusUpdate msu= MapStatusUpdateFactory.zoomTo(18.0f);
myBaiduMap.setMapStatus(msu);
}
private void initLocation() {
locationMode = MyLocationConfiguration.LocationMode.NORMAL;
//定位服务的客户端。宿主程序在客户端声明此类,并调用,目前只支持在主线程中启动
mylocationClient = new LocationClient(this);
mylistener = new MylocationListener();
//注册监听器
mylocationClient.registerLocationListener(mylistener);
//配置定位SDK各配置参数,比如定位模式、定位时间间隔、坐标系类型等
LocationClientOption mOption = new LocationClientOption();
//设置坐标类型
mOption.setCoorType("bd09ll");
//设置是否需要地址信息,默认为无地址
mOption.setIsNeedAddress(true);
//设置是否打开gps进行定位
mOption.setOpenGps(true);
//设置扫描间隔,单位是毫秒 当<1000(1s)时,定时定位无效
int span = 1000;
mOption.setScanSpan(span);
//设置 LocationClientOption
mylocationClient.setLocOption(mOption);
//初始化图标,BitmapDescriptorFactory是bitmap 描述信息工厂类.
myIconLocation1 = BitmapDescriptorFactory.fromResource(R.drawable.location_marker);
// myIconLocation2 = BitmapDescriptorFactory.fromResource(R.drawable.icon_target);
//配置定位图层显示方式,三个参数的构造器
MyLocationConfiguration configuration
= new MyLocationConfiguration(locationMode, true, myIconLocation1);
//设置定位图层配置信息,只有先允许定位图层后设置定位图层配置信息才会生效,参见 setMyLocationEnabled(boolean)
myBaiduMap.setMyLocationConfigeration(configuration);
myOrientationListener = new MyOrientationListener(context);
//通过接口回调来实现实时方向的改变
myOrientationListener.setOnOrientationListener(new MyOrientationListener.OnOrientationListener() {
@Override
public void onOrientationChanged(float x) {
myCurrentX = x;
}
});
}
/*
*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())
{
/*
*第一个功能,返回自己所在的位置,箭头表示
*/
case R.id.menu_item_mylocation://返回当前位置
getLocationByLL(myLatitude, myLongitude);
break;
/*
*第二个功能,根据经度和纬度前往位置
*/
case R.id.menu_item_llsearch://根据经纬度搜索地点
myLinearLayout1 = (LinearLayout) findViewById(R.id.linearLayout1);
//经纬度输入区域1可见
myLinearLayout1.setVisibility(View.VISIBLE);
final EditText myEditText_lg = (EditText) findViewById(R.id.editText_lg);
final EditText myEditText_la = (EditText) findViewById(R.id.editText_la);
Button button_ll = (Button) findViewById(R.id.button_llsearch);
button_ll.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final double mylg = Double.parseDouble(myEditText_lg.getText().toString());
final double myla = Double.parseDouble(myEditText_la.getText().toString());
getLocationByLL(myla, mylg);
//隐藏前面经纬度输入区域
myLinearLayout1.setVisibility(View.GONE);
// Toast.makeText(context, "", Toast.LENGTH_SHORT).show();
//隐藏输入法键盘
InputMethodManager imm =(InputMethodManager)getSystemService(
Context.INPUT_METHOD_SERVICE);
imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
}
});
break;
/*
*第三个功能,根据地址名前往所在的位置
*/
case R.id.menu_item_sitesearch://根据地址搜索
myLinearLayout2 = (LinearLayout) findViewById(R.id.linearLayout2);
//显示地址搜索区域2
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() {
@Override
public void onClick(View v) {
final String site_str = myEditText_site.getText().toString();
new Thread(new Runnable() {
@Override
public void run() {
AddressToLatitudeLongitude at = new AddressToLatitudeLongitude(site_str);
at.getLatAndLngByAddress();
getLocationByLL(at.getLatitude(), at.getLongitude());
}
}).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);
}
/*
*根据经纬度前往
*/
public void getLocationByLL(double la, double lg)
{
//地理坐标的数据结构
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);
myBaiduMap.setMapStatus(msu);
}
/*
*定位请求回调接口
*/
public class MylocationListener implements BDLocationListener
{
//定位请求回调接口
private boolean isFirstIn=true;
//定位请求回调函数,这里面会得到定位信息
@Override
public void onReceiveLocation(BDLocation bdLocation) {
//BDLocation 回调的百度坐标类,内部封装了如经纬度、半径等属性信息
//MyLocationData 定位数据,定位数据建造器
/*
* 可以通过BDLocation配置如下参数
* 1.accuracy 定位精度
* 2.latitude 百度纬度坐标
* 3.longitude 百度经度坐标
* 4.satellitesNum GPS定位时卫星数目 getSatelliteNumber() gps定位结果时,获取gps锁定用的卫星数
* 5.speed GPS定位时速度 getSpeed()获取速度,仅gps定位结果时有速度信息,单位公里/小时,默认值0.0f
* 6.direction GPS定位时方向角度
* */
myLatitude = bdLocation.getLatitude();
myLongitude = bdLocation.getLongitude();
MyLocationData data = new MyLocationData.Builder()
.direction(myCurrentX)//设定图标方向
.accuracy(bdLocation.getRadius())//getRadius 获取定位精度,默认值0.0f
.latitude(myLatitude)//百度纬度坐标
.longitude(myLongitude)//百度经度坐标
.build();
//设置定位数据, 只有先允许定位图层后设置数据才会生效,参见 setMyLocationEnabled(boolean)
myBaiduMap.setMyLocationData(data);
//判断是否为第一次定位,是的话需要定位到用户当前位置
if (isFirstIn) {
//根据当前所在位置经纬度前往
getLocationByLL(myLatitude, myLongitude);
isFirstIn = false;
//提示当前所在地址信息
// Toast.makeText(context, bdLocation.getAddrStr(), Toast.LENGTH_SHORT).show();
}
}
}
/*
*定位服务的生命周期,达到节省
*/
@Override
protected void onStart() {
super.onStart();
//开启定位,显示位置图标
myBaiduMap.setMyLocationEnabled(true);
if(!mylocationClient.isStarted())
{
mylocationClient.start();
}
myOrientationListener.start();
}
@Override
protected void onStop() {
super.onStop();
//停止定位
myBaiduMap.setMyLocationEnabled(false);
mylocationClient.stop();
myOrientationListener.stop();
}
@Override
protected void onResume() {
super.onResume();
myMapView.onResume();
}
@Override
protected void onPause() {
super.onPause();
myMapView.onPause();
}
@Override
protected void onDestroy() {
super.onDestroy();
myMapView.onDestroy();
}
}
package com.example.wanglei.mymap;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
/**
* Created by wanglei on 2017/6/20.
* 根据百度地图API,根据地址得到经纬度
*/
public class AddressToLatitudeLongitude {
private String address = "哈尔滨";//地址
private double Latitude = 45.7732246332393;//纬度
private double Longitude = 126.65771685544611;//经度
public AddressToLatitudeLongitude(String addr_str) {
this.address = addr_str;
}
/*
*根据地址得到地理坐标
*/
public void getLatAndLngByAddress(){
String addr = "";
String lat = "";
String lng = "";
try {
addr = java.net.URLEncoder.encode(address,"UTF-8");//编码
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
String url = String.format("http://api.map.baidu.com/geocoder/v2/?"
+"address=%s&ak=4rcKAZKG9OIl0wDkICSLx8BA&output=json",addr);
URL myURL = null;
URLConnection httpsConn = null;
//进行转码
try {
myURL = new URL(url);
} catch (MalformedURLException e) {
e.printStackTrace();
}
try {
httpsConn = (URLConnection) myURL.openConnection();//建立连接
if (httpsConn != null) {
InputStreamReader insr = new InputStreamReader(//传输数据
httpsConn.getInputStream(), "UTF-8");
BufferedReader br = new BufferedReader(insr);
String data = null;
if ((data = br.readLine()) != null) {
System.out.println(data);
//这里的data为以下的json格式字符串,因为简单,所以就不使用json解析了,直接字符串处理
//{"status":0,"result":{"location":{"lng":118.77807440802562,"lat":32.05723550180587},"precise":0,"confidence":12,"level":"城市"}}
lat = data.substring(data.indexOf("\"lat\":")+("\"lat\":").length(), data.indexOf("},\"precise\""));
lng = data.substring(data.indexOf("\"lng\":")+("\"lng\":").length(), data.indexOf(",\"lat\""));
}
insr.close();
br.close();
}
} catch (IOException e) {
e.printStackTrace();
}
this.Latitude = Double.parseDouble(lat);
this.Longitude = Double.parseDouble(lng);
}
public Double getLatitude() {
return this.Latitude;
}
public Double getLongitude() {
return this.Longitude;
}
public static void main(String[] args) {
AddressToLatitudeLongitude at = new AddressToLatitudeLongitude("安徽省亳州市亳州一中");
at.getLatAndLngByAddress();
System.out.println(at.getLatitude() + " " + at.getLongitude());
}
}
package com.example.wanglei.mymap;
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
public class MyOrientationListener implements SensorEventListener{
private SensorManager mSensorManager;
private Sensor mSensor;
private Context mContext;
private float lastX;
private OnOrientationListener mOnOrientationListener;
public MyOrientationListener(Context context)
{
this.mContext=context;
}
public void start()
{
mSensorManager= (SensorManager) mContext
.getSystemService(Context.SENSOR_SERVICE);
if(mSensorManager!= null)
{
//获得方向传感器
mSensor=mSensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION);
}
//判断是否有方向传感器
if(mSensor!=null)
{
//注册监听器
mSensorManager.registerListener(this,mSensor,SensorManager.SENSOR_DELAY_UI);
}
}
public void stop()
{
mSensorManager.unregisterListener(this);
}
//方向改变
@Override
public void onSensorChanged(SensorEvent event) {
if(event.sensor.getType()==Sensor.TYPE_ORIENTATION)
{
float x=event.values[SensorManager.DATA_X];
if(Math.abs(x-lastX)>1.0)
{
if(mOnOrientationListener!=null)
{
mOnOrientationListener.onOrientationChanged(x);
}
}
lastX=x;
}
}
public void setOnOrientationListener(OnOrientationListener listener)
{
mOnOrientationListener=listener;
}
public interface OnOrientationListener
{
void onOrientationChanged(float x);
}
@Override
public void onAccuracyChanged(Sensor sensor, int accuracy) {
}
}