Android 原生获取地理位置

Android 原生获取地理位置, 获取经纬度。

import android.content.Context;
import android.location.Address;
import android.location.Criteria;
import android.location.Geocoder;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.util.Log;

import java.io.IOException;
import java.text.DecimalFormat;
import java.util.List;
import java.util.Locale;

/**
 * 
 * 
 * 
 * targetSdkVersion 22 如果大于22请增加动态权限管理
 */

public class LocationUtils {
    private LocationManager locationManager;
    static LocationUtils locationUtils;
    public static LocationUtils getInstance(){
        if (locationUtils == null){
            locationUtils = new LocationUtils();
        }
        return locationUtils;
    }


    public String getLocations(Context context){
        String strLocation = "0,0";
        DecimalFormat df = new DecimalFormat("#####0.0000");
        if (!checkPermission(context,permission.ACCESS_COARSE_LOCATION)){
            Toast.makeText(context,"定位权限关闭，无法获取地理位置",Toast.LENGTH_SHORT).show();
        }
        try {
            //获取系统的服务，
            locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
            //创建一个criteria对象
            Criteria criteria = new Criteria();
            criteria.setAccuracy(Criteria.ACCURACY_COARSE);
            //设置不需要获取海拔方向数据
            criteria.setAltitudeRequired(false);
            criteria.setBearingRequired(false);
            //设置允许产生资费
            criteria.setCostAllowed(true);
            //要求低耗电
            criteria.setPowerRequirement(Criteria.POWER_LOW);
            String provider = locationManager.getBestProvider(criteria, true);
            Log.i("Tobin", "Location Provider is "+ provider);
            Location location = locationManager.getLastKnownLocation(provider);

            /**
             * 重要函数，监听数据测试
             * 位置提供器、监听位置变化的时间间隔（毫秒），监听位置变化的距离间隔（米），LocationListener监听器
             */
//           locationManager.requestLocationUpdates(provider, 0, 0, locationListener);
//            new Handler().postDelayed(new Runnable() {
//                @Override
//                public void run() {
//                    lm.removeUpdates(locationListener);
//                }
//            },2000);

            //第一次获得设备的位置
            if (location != null){
                strLocation = df.format(location.getLatitude()) + "," + df.format(location.getLongitude());
                // 耗时操作
//                strLocation += " " + convertAddress(context, location.getLatitude(),location.getLongitude());

            }


        }catch (SecurityException e){
            e.printStackTrace();
        }catch (Exception e){
            e.printStackTrace();
        }

        return strLocation;

    }

    /**
     * LocationListern监听器
     * 参数：地理位置提供器、监听位置变化的时间间隔、位置变化的距离间隔、LocationListener监听器
     */
    private final LocationListener locationListener = new LocationListener() {
        public void onLocationChanged(Location location) {

        }
        public void onProviderDisabled(String provider){
            Log.i("Tobin", "Provider now is disabled..");
        }
        public void onProviderEnabled(String provider){
            Log.i("Tobin", "Provider now is enabled..");
        }
        public void onStatusChanged(String provider, int status,Bundle extras){ }
    };


    /**
     * @param latitude 经度
     * @param longitude 纬度
     * @return 详细位置信息 GeoCoder是基于后台backend的服务，因此这个方法不是对每台设备都适用。
     */
    public String convertAddress(Context context, double latitude, double longitude) {
        Geocoder mGeocoder = new Geocoder(context, Locale.getDefault());
        StringBuilder mStringBuilder = new StringBuilder();

        try {
            List<Address> mAddresses = mGeocoder.getFromLocation(latitude, longitude, 1);
            if (!mAddresses.isEmpty()) {
                Address address = mAddresses.get(0);
                mStringBuilder.append(address.getCountryName()).append(", ").append(address.getAdminArea()).append(", ").append(address.getLocality());
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return mStringBuilder.toString();
    }

	private boolean checkPermission(Context context, permission permName) {
        int perm = context.checkCallingOrSelfPermission("android.permission."+permName.toString());
        return perm == PackageManager.PERMISSION_GRANTED;
    }

    private enum permission{
        ACCESS_COARSE_LOCATION,
        ACCESS_FINE_LOCATION
    }
}

运行结果

        Log.i("Tobin", "获取信息：" + LocationUtils.getInstance().getLocations(this));

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