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+package com.sheep.gamegroup.util;
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+
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+import android.Manifest;
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+import android.content.Context;
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+import android.content.pm.PackageManager;
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+import android.location.Criteria;
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+import android.location.Location;
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+import android.location.LocationListener;
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+import android.location.LocationManager;
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+import android.os.Bundle;
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+import android.support.annotation.NonNull;
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+import android.support.v4.app.ActivityCompat;
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+import android.text.TextUtils;
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+import android.widget.Toast;
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+
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+import com.sheep.jiuyan.samllsheep.SheepApp;
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+
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+import java.util.HashMap;
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+
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+/**
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+ * Created by ljy on 2018/5/11.
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+ */
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+
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+public class LocationUtils {
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+
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+ private static final long REFRESH_TIME = 5000L;
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+ private static final float METER_POSITION = 0.0f;
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+ private static ILocationListener mLocationListener;
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+ String logitudeLStr;
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+ private static LocationUtils locationUtils;
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+
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+ public static LocationUtils getInstance(){
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+ if(locationUtils == null){
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+ locationUtils = new LocationUtils();
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+ }
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+ return locationUtils;
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+ }
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+ private static LocationListener listener = new MyLocationListener();
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+
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+ private static class MyLocationListener implements LocationListener {
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+ @Override
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+ public void onLocationChanged(Location location) {//定位改变监听
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+ if (mLocationListener != null) {
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+ mLocationListener.onSuccessLocation(location);
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+ }
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+ }
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+
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+ @Override
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+ public void onStatusChanged(String provider, int status, Bundle extras) {//定位状态监听
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+
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+ }
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+
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+ @Override
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+ public void onProviderEnabled(String provider) {//定位状态可用监听
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+
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+ }
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+
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+ @Override
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+ public void onProviderDisabled(String provider) {//定位状态不可用监听
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+
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+ }
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+ }
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+ /**
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+ * GPS获取定位方式
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+ */
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+ public static Location getGPSLocation(@NonNull Context context) {
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+ Location location = null;
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+ LocationManager manager = getLocationManager(context);
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+ //高版本的权限检查
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+ if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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+ return null;
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+ }
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+ if (manager.isProviderEnabled(LocationManager.GPS_PROVIDER)) {//是否支持GPS定位
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+ //获取最后的GPS定位信息，如果是第一次打开，一般会拿不到定位信息，一般可以请求监听，在有效的时间范围可以获取定位信息
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+ location = manager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
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+ }
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+ return location;
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+ }
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+ /**
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+ * network获取定位方式
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+ */
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+ public static Location getNetWorkLocation(Context context) {
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+ Location location = null;
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+ LocationManager manager = getLocationManager(context);
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+ //高版本的权限检查
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+ if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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+ return null;
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+ }
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+ if (manager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) {//是否支持Network定位
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+ //获取最后的network定位信息
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+ location = manager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
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+ }
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+ return location;
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+ }
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+
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+ /**
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+ * 获取最好的定位方式
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+ */
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+ public static Location getBestLocation(Context context, Criteria criteria) {
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+ Location location;
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+ LocationManager manager = getLocationManager(context);
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+ if (criteria == null) {
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+ criteria = new Criteria();
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+ }
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+ String provider = manager.getBestProvider(criteria, true);
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+ if (TextUtils.isEmpty(provider)) {
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+ //如果找不到最适合的定位，使用network定位
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+ location = getNetWorkLocation(context);
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+ } else {
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+ //高版本的权限检查
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+ if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED
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+ && ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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+ return null;
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+ }
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+ //获取最适合的定位方式的最后的定位权限
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+ location = manager.getLastKnownLocation(provider);
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+ }
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+ return location;
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+ }
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+
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+ /**
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+ * 定位监听
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+ */
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+ public static void addLocationListener(Context context, String provider, ILocationListener locationListener) {
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+
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+ addLocationListener(context, provider, REFRESH_TIME, METER_POSITION, locationListener);
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+ }
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+
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+ /**
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+ * 定位监听
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+ */
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+ public static void addLocationListener(Context context, String provider, long time, float meter, ILocationListener locationListener) {
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+ if (locationListener != null) {
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+ mLocationListener = locationListener;
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+ }
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+ if (listener == null) {
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+ listener = new MyLocationListener();
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+ }
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+ LocationManager manager = getLocationManager(context);
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+ if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
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+ && ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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+ return;
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+ }
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+ manager.requestLocationUpdates(provider, time, meter, listener);
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+ }
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+
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+ /**
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+ * 取消定位监听
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+ */
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+ public static void unRegisterListener(Context context) {
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+ if (listener != null) {
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+ LocationManager manager = getLocationManager(context);
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+ if (ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED
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+ && ActivityCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
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+ return;
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+ }
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+ //移除定位监听
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+ manager.removeUpdates(listener);
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+ }
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+ }
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+
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+ private static LocationManager getLocationManager(@NonNull Context context) {
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+ return (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
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+ }
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+
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+ /**
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+ * 自定义接口
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+ */
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+ public interface ILocationListener {
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+ void onSuccessLocation(Location location);
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+ }
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+
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+
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+ /**
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+ * Longitude:经度
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+ * Latitude:纬度
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+ * 通过GPS获取定位信息
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+ */
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+ public String getGPSLocations(final Context context) {
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+ logitudeLStr = null;
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+ Location gps = getGPSLocation(SheepApp.mContext);
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+ if (gps == null) {
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+ //设置定位监听，因为GPS定位，第一次进来可能获取不到，通过设置监听，可以在有效的时间范围内获取定位信息
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+ LocationUtils.addLocationListener(context, LocationManager.GPS_PROVIDER, new LocationUtils.ILocationListener() {
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+ @Override
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+ public void onSuccessLocation(Location location) {
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+ if (location != null) {
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+ logitudeLStr = location.getLongitude() + "," +location.getLatitude();
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+ Toast.makeText(context, "gps onSuccessLocation location: lat==" + location.getLatitude() + " lng==" + location.getLongitude(), Toast.LENGTH_SHORT).show();
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+ } else {
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+// Toast.makeText(context, "gps location is null", Toast.LENGTH_SHORT).show();
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+ }
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+ }
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+ });
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+ } else {
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+ Toast.makeText(context, "gps location: lat==" + gps.getLatitude() + " lng==" + gps.getLongitude(), Toast.LENGTH_SHORT).show();
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+ }
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+ return logitudeLStr;
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+ }
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+
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+ /**
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+ * 通过网络等获取定位信息
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+ */
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+ private String getNetworkLocations() {
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+ logitudeLStr = null;
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+ Location net = LocationUtils.getNetWorkLocation(SheepApp.mContext);
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+ if (net == null) {
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+ } else {
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+ logitudeLStr = net.getLongitude() + "," +net.getLatitude();
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+ }
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+ return logitudeLStr;
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+ }
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+
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+ /**
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+ * 采用最好的方式获取定位信息
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+ */
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+ private String getBestLocations() {
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+ logitudeLStr = null;
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+ Criteria c = new Criteria();//Criteria类是设置定位的标准信息（系统会根据你的要求，匹配最适合你的定位供应商），一个定位的辅助信息的类
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+ c.setPowerRequirement(Criteria.POWER_LOW);//设置低耗电
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+ c.setAltitudeRequired(true);//设置需要海拔
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+ c.setBearingAccuracy(Criteria.ACCURACY_COARSE);//设置COARSE精度标准
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+ c.setAccuracy(Criteria.ACCURACY_LOW);//设置低精度
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+ //... Criteria 还有其他属性，就不一一介绍了
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+ Location best = LocationUtils.getBestLocation(SheepApp.mContext, c);
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+ if (best == null) {
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+
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+ } else {
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+ logitudeLStr = best.getLongitude() + "," +best.getLatitude();
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+ }
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+ return logitudeLStr;
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+ }
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+
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+ /**
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+ * Longitude:经度
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+ * Latitude:纬度
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+ * 获取经纬度
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+ */
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+ public String getLongitudeLatitude(Context context){
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+ logitudeLStr = getGPSLocations(context);
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+ if(TextUtils.isEmpty(logitudeLStr) && logitudeLStr.length() > 3){
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+ logitudeLStr = getNetworkLocations();
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+ }
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+ return logitudeLStr;
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+ }
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+}
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