1.在高德地图的开发者平台下载定位jar
http://lbs.amap.com/api/android-location-sdk/guide/startlocation/#t1
2.在项目的libs目录下加入定位jar包
3.声明定位需要的信息
private AMap aMap;
MapView mMapView = null;
//定义经度
private double lat;
//定义维度
private double lon;
//声明AMapLocationClient类对象
public AMapLocationClient mLocationClient = null;
//声明mLocationOption对象
public AMapLocationClientOption mLocationOption = null;
//声明定位回调监听器
public AMapLocationListener mLocationListener=new AMapLocationListener(){
@Override
public void onLocationChanged(AMapLocation amapLocation) {
// TODO Auto-generated method stub
if (amapLocation != null) {
if (amapLocation.getErrorCode() == 0) {
//定位成功回调信息,设置相关消息
amapLocation.getLocationType();//获取当前定位结果来源,如网络定位结果,详见定位类型表
amapLocation.getLatitude();//获取纬度
amapLocation.getLongitude();//获取经度
amapLocation.getAccuracy();//获取精度信息
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = new Date(amapLocation.getTime());
df.format(date);//定位时间
amapLocation.getAddress();//地址,如果option中设置isNeedAddress为false,则没有此结果,网络定位结果中会有地址信息,GPS定位不返回地址信息。
amapLocation.getCountry();//国家信息
amapLocation.getProvince();//省信息
amapLocation.getCity();//城市信息
amapLocation.getDistrict();//城区信息
amapLocation.getStreet();//街道信息
amapLocation.getStreetNum();//街道门牌号信息
amapLocation.getCityCode();//城市编码
amapLocation.getAdCode();//地区编码
amapLocation.getAoiName();//获取当前定位点的AOI信息
lat = amapLocation.getLatitude();
lon = amapLocation.getLongitude();
// 设置当前地图显示为当前位置
aMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(lat, lon), 19));
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(new LatLng(lat, lon));
markerOptions.title("当前位置");
markerOptions.visible(true);
BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.location_marker));
markerOptions.icon(bitmapDescriptor);
aMap.addMarker(markerOptions);
System.out.println("定位信息:"+ amapLocation.getCity()+" "+amapLocation.getStreet());
} else {
//显示错误信息ErrCode是错误码,errInfo是错误信息,详见错误码表。
Log.e("AmapError","location Error, ErrCode:"
+ amapLocation.getErrorCode() + ", errInfo:"
+ amapLocation.getErrorInfo());
}
}
}
} ;
4.初始化Amap和初始化 markerOptions
/**
* * 初始化AMap对象
*/
private void init() {
if (aMap == null) {
aMap = mMapView.getMap();
}
setUpMap();
}
private void setUpMap() {
//初始化定位参数
mLocationOption = new AMapLocationClientOption();
//设置定位模式为高精度模式,Battery_Saving为低功耗模式,Device_Sensors是仅设备模式
mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
//设置是否返回地址信息(默认返回地址信息)
mLocationOption.setNeedAddress(true);
//设置是否只定位一次,默认为false
mLocationOption.setOnceLocation(false);
//设置是否强制刷新WIFI,默认为强制刷新
mLocationOption.setWifiActiveScan(true);
//设置是否允许模拟位置,默认为false,不允许模拟位置
mLocationOption.setMockEnable(false);
//设置定位间隔,单位毫秒,默认为2000ms
mLocationOption.setInterval(2000);
//给定位客户端对象设置定位参数
mLocationClient.setLocationOption(mLocationOption);
//启动定位
mLocationClient.startLocation();
}
5.在oncreate方法中初始化对象
//初始化定位
mLocationClient = new AMapLocationClient(getApplicationContext());
//设置定位回调监听
mLocationClient.setLocationListener(mLocationListener);
init();
6.停止定位 和销毁定位客户端
mLocationClient.stopLocation();//停止定位
mLocationClient.onDestroy();//销毁定位客户端。
7..全部代码
package com.hello.activity;
import java.text.SimpleDateFormat;
import java.util.Date;
import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.location.AMapLocationClientOption.AMapLocationMode;
import com.amap.api.maps.AMap;
import com.amap.api.maps.CameraUpdateFactory;
import com.amap.api.maps.MapView;
import com.amap.api.maps.model.BitmapDescriptor;
import com.amap.api.maps.model.BitmapDescriptorFactory;
import com.amap.api.maps.model.LatLng;
import com.amap.api.maps.model.MarkerOptions;
import com.example.hellomap.R;
import android.app.Activity;
import android.graphics.BitmapFactory;
import android.os.Bundle;
import android.util.Log;
public class MainActivity extends Activity{
private AMap aMap;
MapView mMapView = null;
//定义经度
private double lat;
//定义维度
private double lon;
//声明AMapLocationClient类对象
public AMapLocationClient mLocationClient = null;
//声明mLocationOption对象
public AMapLocationClientOption mLocationOption = null;
//声明定位回调监听器
public AMapLocationListener mLocationListener=new AMapLocationListener() {
@Override
public void onLocationChanged(AMapLocation amapLocation) {
// TODO Auto-generated method stub
if (amapLocation != null) {
if (amapLocation.getErrorCode() == 0) {
//定位成功回调信息,设置相关消息
amapLocation.getLocationType();//获取当前定位结果来源,如网络定位结果,详见定位类型表
amapLocation.getLatitude();//获取纬度
amapLocation.getLongitude();//获取经度
amapLocation.getAccuracy();//获取精度信息
SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
Date date = new Date(amapLocation.getTime());
df.format(date);//定位时间
amapLocation.getAddress();//地址,如果option中设置isNeedAddress为false,则没有此结果,网络定位结果中会有地址信息,GPS定位不返回地址信息。
amapLocation.getCountry();//国家信息
amapLocation.getProvince();//省信息
amapLocation.getCity();//城市信息
amapLocation.getDistrict();//城区信息
amapLocation.getStreet();//街道信息
amapLocation.getStreetNum();//街道门牌号信息
amapLocation.getCityCode();//城市编码
amapLocation.getAdCode();//地区编码
amapLocation.getAoiName();//获取当前定位点的AOI信息
lat = amapLocation.getLatitude();
lon = amapLocation.getLongitude();
// 设置当前地图显示为当前位置
aMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(lat, lon), 19));
MarkerOptions markerOptions = new MarkerOptions();
markerOptions.position(new LatLng(lat, lon));
markerOptions.title("当前位置");
markerOptions.visible(true);
BitmapDescriptor bitmapDescriptor = BitmapDescriptorFactory.fromBitmap(BitmapFactory.decodeResource(getResources(), R.drawable.location_marker));
markerOptions.icon(bitmapDescriptor);
aMap.addMarker(markerOptions);
System.out.println("定位信息:"+ amapLocation.getCity()+" "+amapLocation.getStreet());
} else {
//显示错误信息ErrCode是错误码,errInfo是错误信息,详见错误码表。
Log.e("AmapError","location Error, ErrCode:"
+ amapLocation.getErrorCode() + ", errInfo:"
+ amapLocation.getErrorInfo());
}
}
}
} ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.test_activit);
//获取地图控件引用
mMapView = (MapView) this.findViewById(R.id.map);
//在activity执行onCreate时执行mMapView.onCreate(savedInstanceState),实现地图生命周期管理
mMapView.onCreate(savedInstanceState);
//初始化定位
mLocationClient = new AMapLocationClient(getApplicationContext());
//设置定位回调监听
mLocationClient.setLocationListener(mLocationListener);
init();
}
@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();
mLocationClient.onDestroy();//销毁定位客户端。
}
@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();
}
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
mLocationClient.stopLocation();//停止定位
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
//在activity执行onSaveInstanceState时执行mMapView.onSaveInstanceState (outState),实现地图生命周期管理
mMapView.onSaveInstanceState(outState);
}
public void initOption(){
//初始化定位参数
mLocationOption = new AMapLocationClientOption();
//设置定位模式为高精度模式,Battery_Saving为低功耗模式,Device_Sensors是仅设备模式
mLocationOption.setLocationMode(AMapLocationMode.Hight_Accuracy);
//设置是否返回地址信息(默认返回地址信息)
mLocationOption.setNeedAddress(true);
//设置是否只定位一次,默认为false
mLocationOption.setOnceLocation(false);
//设置是否强制刷新WIFI,默认为强制刷新
mLocationOption.setWifiActiveScan(true);
//设置是否允许模拟位置,默认为false,不允许模拟位置
mLocationOption.setMockEnable(false);
//设置定位间隔,单位毫秒,默认为2000ms
mLocationOption.setInterval(2000);
//给定位客户端对象设置定位参数
mLocationClient.setLocationOption(mLocationOption);
//启动定位
mLocationClient.startLocation();
}
/**
* * 初始化AMap对象
*/
private void init() {
if (aMap == null) {
aMap = mMapView.getMap();
}
setUpMap();
}
private void setUpMap() {
//初始化定位参数
mLocationOption = new AMapLocationClientOption();
//设置定位模式为高精度模式,Battery_Saving为低功耗模式,Device_Sensors是仅设备模式
mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
//设置是否返回地址信息(默认返回地址信息)
mLocationOption.setNeedAddress(true);
//设置是否只定位一次,默认为false
mLocationOption.setOnceLocation(false);
//设置是否强制刷新WIFI,默认为强制刷新
mLocationOption.setWifiActiveScan(true);
//设置是否允许模拟位置,默认为false,不允许模拟位置
mLocationOption.setMockEnable(false);
//设置定位间隔,单位毫秒,默认为2000ms
mLocationOption.setInterval(2000);
//给定位客户端对象设置定位参数
mLocationClient.setLocationOption(mLocationOption);
//启动定位
mLocationClient.startLocation();
}
}