Android原生API获取地理位置

Posted 2023-01-11 Mars-xq

原生API获取地理位置

import android.content.Context;
import android.content.pm.PackageManager;
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 android.widget.Toast;

import com.pingan.android.core.basic.log.L;

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

/**
 * Created on 2019-12-18.
 *
 * @author xuqiang
 * <p>
 * <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 * <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
 * <uses-permission android:name="android.permission.INTERNET" />
 * targetSdkVersion 22 如果大于22请增加动态权限管理
 * <p>
 * System.out.println("6666====================="+ LocationUtils.getInstance().getLocations(this));
 */
public class LocationUtils 
    private static final String TAG = LocationUtils.class.getSimpleName();
    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 = "";
        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 (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() 
        @Override
        public void onLocationChanged(Location location) 

        

        @Override
        public void onProviderDisabled(String provider) 
            Log.i("Tobin", "Provider now is disabled..");
        

        @Override
        public void onProviderEnabled(String provider) 
            Log.i("Tobin", "Provider now is enabled..");
        

        @Override
        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(address.getAdminArea())
                        .append(address.getLocality())
                        .append(address.getSubLocality())
                        .append(address.getFeatureName())
                        .append("附近");
                L.e(TAG, "convertAddress getCountryName=======================" + address.getCountryName());
                //中国
                L.e(TAG, "convertAddress getAdminArea=======================" + address.getAdminArea());
                //广东省
                L.e(TAG, "convertAddress getLocality=======================" + address.getLocality());
                //深圳市
                L.e(TAG, "convertAddress getSubLocality=======================" + address.getSubLocality());
                //南山区
                L.e(TAG, "convertAddress getFeatureName=======================" + address.getFeatureName());
                //妈湾二路香江金融中心
            
         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