下面的程式碼內容是關於Android獲取使用者location值為NULL的解決辦法的程式碼，應該是對碼農有一些用處。

package com.jeedroid.tools;

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

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.provider.Settings;
import android.util.Log;

public class LocationTools
{
private Location location;
public static LocationManager getLocationManager(Context context)
{
return (LocationManager) context.getSystemService(context.LOCATION_SERVICE);
}
public String getAddress(Context context)
{
LocationManager locationManager = this.getLocationManager(context);
if(!locationManager.isProviderEnabled(android.location.LocationManager.GPS_PROVIDER))
{
android.provider.Settings.Secure.setLocationProviderEnabled(context.getContentResolver(), LocationManager.GPS_PROVIDER, false);
}
return doWork(context);
}

private String doWork(Context context)
{
String addres="";
LocationManager locationManager = this.getLocationManager(context);
Criteria criteria = new Criteria();
criteria.setAccuracy(Criteria.ACCURACY_FINE);
criteria.setAltitudeRequired(false);
criteria.setBearingRequired(false);
criteria.setCostAllowed(false);
criteria.setPowerRequirement(Criteria.POWER_LOW);
String provider =locationManager.getBestProvider(criteria, true);
Log.i("provider>>>>>>", provider);
while(location==null)
{
location =locationManager.getLastKnownLocation(provider);
}
LocationListener locationListener = new LocationListener()
{

    @Override  
    public void onLocationChanged(Location location)   
    {   
        LocationTools.this.location=location;   
    }   

    @Override  
    public void onProviderDisabled(String provider)   
    {   
           
    }   

    @Override  
    public void onProviderEnabled(String provider)   
    {   
           
    }   

    @Override  
    public void onStatusChanged(String provider, int status, Bundle extras)   
    {   
           
    }   
       
};   
locationManager.requestLocationUpdates(provider, 1000, 10, locationListener);   
 
Geocoder geo = new Geocoder(context,Locale.getDefault());   
try  
{   
    List<Address> address=geo.getFromLocation(location.getLatitude(), location.getLongitude(), 1);   
    if(address.size()>0)   
    {   
        addres=address.get(0).getAddressLine(0);   
    }   
} catch (IOException e)   
{   
    e.printStackTrace();   
}   
return addres;   

}
}