title: Google Maps Android API v2 doesn't display the map when settings are changed
body: <p>Google Maps Android API v2 doesn't display the map <strong>when settings are changed</strong>.</p>
  
  <p><strong>ex:</strong> when the user selects my location button, the map <strong>animate to user's current location but it doesn't render the map.</strong></p>
  
  <pre><code>public class MapView extends android.support.v4.app.FragmentActivity {
  
      private GoogleMap mMap;
      private UiSettings mUiSettings;
  
  
      @Override
      public void onCreate(Bundle savedInstanceState) {
          super.onCreate(savedInstanceState);
  
          setContentView(R.layout.map_view);
  
          setUpMapIfNeeded();
      }
  
      private void setUpMapIfNeeded() {
          // Do a null check to confirm that we have not already instantiated the map.
          if (mMap == null) {
              // Try to obtain the map from the SupportMapFragment.
              mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.googleMap))
                      .getMap();
              // Check if we were successful in obtaining the map.
              if (mMap != null) {
                  setUpMap();
              }
          }
      }
  
      private void setUpMap() {
  
          mMap.setMyLocationEnabled(true);
  
          mUiSettings = mMap.getUiSettings();
  
          mUiSettings.setZoomControlsEnabled(true);
          mUiSettings.setMyLocationButtonEnabled(true);
          mUiSettings.setCompassEnabled(true);
      }
  </code></pre>
  
  <p>}</p>
  
  <p>**
  <strong>layout/map_view</strong>
  **</p>
  
  
  
  <pre><code>&lt;fragment xmlns:android="http://schemas.android.com/apk/res/android"
            android:id="@+id/googleMap"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            class="com.google.android.gms.maps.SupportMapFragment"/&gt;
  </code></pre>