Android编程获取GPS数据的方法详解

package org.timm.android;
import android.app.Activity;
import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.widget.EditText;
public class LocationTryActivity extends Activity {
 EditText text;
 /** Called when the activity is first created. */
 @Override
 public void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.main);
  final LocationManager locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
  text = (EditText)findViewById(R.id.textShow);
  Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
  showLocation(location);
  locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 10, new LocationListener(){
   public void onLocationChanged(Location location) {
    // TODO Auto-generated method stub
    showLocation(location);
   }
   public void onProviderDisabled(String provider) {
    // TODO Auto-generated method stub
    showLocation(null);
   }
   public void onProviderEnabled(String provider) {
    // TODO Auto-generated method stub
    showLocation(locationManager.getLastKnownLocation(provider));
   }
   public void onStatusChanged(String provider, int status, Bundle extras) {
    // TODO Auto-generated method stub
   }
  });
 }
 public void showLocation(Location currentLocation){
  if(currentLocation != null){
   String s = "";
   s += " Current Location: (";
   s += currentLocation.getLongitude();
   s += ",";
   s += currentLocation.getLatitude();
   s += ")\n Speed: ";
   s += currentLocation.getSpeed();
   s += "\n Direction: ";
   s += currentLocation.getBearing();
   text.setText(s);
  }
  else{
   text.setText("");
  }
 }
}