Google Map Integration - For Pickup Selection

GoogleMap.java

/**
 * Google Map Integration,
 * Reference Link: https://developers.google.com/maps/documentation/android-sdk/start
 *
 */
 
// layout.xml
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/map"
    tools:context=".MapsActivity"
    android:name="com.google.android.gms.maps.SupportMapFragment" />

// Source
public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {

    private GoogleMap mMap;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        mMap = googleMap;
       // Add a marker in Karachi and move the camera
          LatLng karachi = new LatLng(25.1921465,66.5949847);
          mMap.addMarker(new MarkerOptions().position(karachi).draggable(true).title("Marker in Karachi"));
          mMap.moveCamera(CameraUpdateFactory.newLatLng(karachi));

          // Enable the zoom controls for the map
          mMap.getUiSettings().setZoomControlsEnabled(true);
        // Add a marker in karachi, Pakistan, and move the camera.
      
      googleMap.setOnMarkerDragListener(new GoogleMap.OnMarkerDragListener() {
        @Override
        public void onMarkerDragStart(Marker marker) {
        }

        @Override
        public void onMarkerDrag(Marker marker) {
        }

        @Override
        public void onMarkerDragEnd(Marker marker) {
            LatLng latLng = marker.getPosition();
            Geocoder geocoder = new Geocoder(getContext(), Locale.getDefault());
            try {
                android.location.Address address = geocoder.getFromLocation(latLng.latitude, latLng.longitude, 1).get(0);
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    });

    }
}