i am try to use Geocoder with my google map. I can get the latitude and longitude from Location name. My problem is that I can not use the latitude and longitude to add any marker or move the camera to that position. Every time it shows null pointer exception. But I get the latitude and longitude as text view. I have used all the permission, actually Geocoder works fine but not with the google map. Doesn't Geocoder work to add any marker or move to that place on google map?
I am using fragment class because of navigation drawer , does it have anything to create this problem?
If any body has any answer, that would be helpful. I can post my work if anyone asks. Thank you
this is my fragment class
public class GMapFragment extends Fragment implements OnMapReadyCallback{
private GoogleMap googleMap;
MapFragment fragment;
EditText location_tf;
Button button;
List<Address> addressList;
Geocoder geocoder;
double lat;
double lng;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_gmap, container, false);
location_tf = (EditText)rootView.findViewById (R.id.TFaddress);
button = (Button)rootView.findViewById(R.id.Bsearch);
button.setOnClickListener(buttonOnClickListener);
initilizeMap();
return rootView;}
OnClickListener buttonOnClickListener =
new OnClickListener(){
public void onClick(View v)
{
String location = location_tf.getText().toString();
Geocoder geocoder = new Geocoder(getActivity(),Locale.ENGLISH);
List<Address> addressList = null;
try {
addressList = geocoder.getFromLocationName(location, 1);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Address address = addressList.get(0);
String locality= address.getLocality();
Toast.makeText(getActivity(), locality, Toast.LENGTH_SHORT).show();
lat = address.getLatitude();
lng = address.getLongitude();
LatLng ll = new LatLng(lat, lng);
googleMap.addMarker(new MarkerOptions() //line 89
.position((ll)));
googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(
(ll), 15));
}
}
;
private void initilizeMap()
{
MapFragment fragment = (MapFragment) getFragmentManager().findFragmentById(R.id.map);
if (fragment != null){
fragment.getMapAsync(this);
}
}
@Override
public void onMapReady(final GoogleMap googleMap) {
googleMap.setMyLocationEnabled(true);
googleMap.addMarker(new MarkerOptions().position(new LatLng(0, 0)).title("Marker"));
}
@Override
public void onPause() {
final FragmentManager fragManager = this.getFragmentManager();
final Fragment fragment = fragManager.findFragmentById(R.id.map);
if(fragment!=null){
fragManager.beginTransaction().remove( fragment).commit();
super.onPause();
}
}
@Override
public void onDestroy() {
super.onDestroy();
final FragmentManager fragManager = this.getFragmentManager();
final Fragment fragment = fragManager.findFragmentById(R.id.map);
if(fragment!=null){
fragManager.beginTransaction().remove(fragment).commit();
}
}
}
this is my LogCat
05-23 20:05:36.133: E/AndroidRuntime(10092): FATAL EXCEPTION: main
05-23 20:05:36.133: E/AndroidRuntime(10092): Process: com.cubecode.mapdhaka, PID: 10092
05-23 20:05:36.133: E/AndroidRuntime(10092): java.lang.NullPointerException
05-23 20:05:36.133: E/AndroidRuntime(10092): at com.cubecode.mapdhaka.GMapFragment$1.onClick(GMapFragment.java:89)
05-23 20:05:36.133: E/AndroidRuntime(10092): at android.view.View.performClick(View.java:4472)
05-23 20:05:36.133: E/AndroidRuntime(10092): at android.view.View$PerformClick.run(View.java:18779)
05-23 20:05:36.133: E/AndroidRuntime(10092): at android.os.Handler.handleCallback(Handler.java:808)
05-23 20:05:36.133: E/AndroidRuntime(10092): at android.os.Handler.dispatchMessage(Handler.java:103)
05-23 20:05:36.133: E/AndroidRuntime(10092): at android.os.Looper.loop(Looper.java:193)
05-23 20:05:36.133: E/AndroidRuntime(10092): at android.app.ActivityThread.main(ActivityThread.java:5292)
05-23 20:05:36.133: E/AndroidRuntime(10092): at java.lang.reflect.Method.invokeNative(Native Method)
05-23 20:05:36.133: E/AndroidRuntime(10092): at java.lang.reflect.Method.invoke(Method.java:515)
05-23 20:05:36.133: E/AndroidRuntime(10092): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:824)
05-23 20:05:36.133: E/AndroidRuntime(10092): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:640)
05-23 20:05:36.133: E/AndroidRuntime(10092): at dalvik.system.NativeStart.main(Native Method)
googleMap variable is null because you never assign the variable.
Add onMapReady:
this.googleMap = googleMap;