下面的代码内容是关于Android获取用户location值为NULL的解决办法的代码，应该是对码农有一些用处。
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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=geo.getFromLocation(location.getLatitude(), location.getLongitude(), 1);
if(address.size()>0)
{
addres=address.get(0).getAddressLine(0);
}
} catch (IOException e)
{
e.printStackTrace();
}
return addres;
}
}