Android GPS Location with Listener

/**** * GPS Process *  * First of all call listener of Location * then checking for GPS_PROVIDER * if not available then check for NETWORK_PROVIDER * and if its also not available then pass 0.00,0.00 to longitude and latitude *    **** *//** PROCESS for Get Longitude and Latitude **/locationManager = (LocationManager) getSystemService(LOCATION_SERVICE);// Define a listener that responds to location updates(定义一个更新位置监听)locationListener = new LocationListener() {public void onLocationChanged(Location location) {// Called when a new location is found by the network location provider.()longitude = String.valueOf(location.getLongitude());latitude = String.valueOf(location.getLatitude());Log.d(TAG, "changed Loc : " + longitude + ":" + latitude);}public void onStatusChanged(String provider, int status, Bundle extras) {}public void onProviderEnabled(String provider) {}public void onProviderDisabled(String provider) {}};// getting GPS statusisGPSEnabled = locationManager.isProviderEnabled(LocationManager.GPS_PROVIDER);// check if GPS enabledif (isGPSEnabled) {Location location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);//最后一次知道的位置信息if (location != null) {longitude = String.valueOf(location.getLongitude());latitude = String.valueOf(location.getLatitude());locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 0, 0, locationListener);//然后更新位置} else {location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);if (location != null) {longitude = String.valueOf(location.getLongitude());latitude = String.valueOf(location.getLatitude());locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 0, 0, locationListener);} else {longitude = "0.00";latitude = "0.00";}}}// see http://androidsnippets.com/android-gps-location-with-listener
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