Well, what is line 217 of *MapWs.java*?
I bet mc is probably null?
Thanks.
On Sunday, May 5, 2013 2:13:52 PM UTC-5, ASMA wrote:
>
> Hii , i want to get the current position on the map on basis of latitude
> and longitude. But the program crashes with a null pointer exception
> 05-05 18:05:34.444: E/AndroidRuntime(858): java.lang.NullPointerException
> 05-05 18:05:34.444: E/AndroidRuntime(858): at
> hello.WSTest.MapWs.onLocationChanged(MapWs.java:217)
> 05-05 18:05:34.444: E/AndroidRuntime(858): at
> android.location.LocationManager$ListenerTransport._handleMessage(LocationManager.java:227)
> 05-05 18:05:34.444: E/AndroidRuntime(858): at
> android.location.LocationManager$ListenerTransport.access$000(LocationManager.java:160)
> 05-05 18:05:34.444: E/AndroidRuntime(858): at
> android.location.LocationManager$ListenerTransport$1.handleMessage(LocationManager.java:176)
>
> i have used the code below
>
> public void onLocationChanged(Location location) {
> lat = location.getLatitude();
> lng = location.getLongitude();
> Toast.makeText(
> getBaseContext(),
> "Location change to : Latitude = " + lat + " Longitude = "
> + lng, Toast.LENGTH_SHORT).show();
> GeoPoint p = new GeoPoint((int) (lat * 1E6), (int) (lng *
> 1E6));
> mc.animateTo(p);
> mc.setCenter(p);
> }
> please can someone help me to solve that issue , thanks in advance
>
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