title: When trying to use google maps api calls I get runtime exception caused by nullpointer exception
body: <pre><code>  import android.app.Activity;
    import android.os.Bundle;
    import android.support.v4.app.FragmentActivity;
   import android.view.Menu;
    import android.view.View;
    import android.widget.Toast;
  
   import com.google.android.gms.common.ConnectionResult;
   import com.google.android.gms.common.GooglePlayServicesUtil;
   import com.google.android.gms.maps.CameraUpdate;
   import com.google.android.gms.maps.CameraUpdateFactory;
   import com.google.android.gms.maps.GoogleMap;
   import com.google.android.gms.maps.MapFragment;
   import com.google.android.gms.maps.model.LatLng;
   import com.google.android.gms.maps.model.MarkerOptions;
  
   public class GymFind extends Activity {
  
    // gets stuck on any call to LatLng   static final LatLng LOCATION_BRAY = new LatLng(53.183304,-6.123726);
  static final LatLng LOCATION_Greystones = new LatLng(53.136525,-6.065014);
  static final LatLng LOCATION_Charlesland = new LatLng(53.122311,-6.064846);
  private GoogleMap map;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
  
      super.onCreate(savedInstanceState);
      setContentView(R.layout.gmaps);
  
  
        map  = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();
  
        map.addMarker(new MarkerOptions().position(LOCATION_BRAY).title("Find us here!"));
        map.addMarker(new MarkerOptions().position(LOCATION_Greystones).title("Find us here!"));
        map.addMarker(new MarkerOptions().position(LOCATION_Charlesland).title("Find us here!"));
  }
  </code></pre>
  
  <p>layout:</p>
  
  <pre><code>  &lt;RelativeLayout 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"
  tools:context=".MainActivity" &gt;
  
  &lt;TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerHorizontal="true"
      android:layout_centerVertical="true"
      android:text="Hello World" /&gt;
  &lt;fragment
      android:id="@+id/map"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
      class="com.google.android.gms.maps.MapFragment"/&gt;
  
   &lt;/RelativeLayout&gt;
  </code></pre>
  
  <p>logcat :</p>
  
  <pre><code>    07-24 13:33:57.423: E/AndroidRuntime(1353): FATAL EXCEPTION: main
        07-24 13:33:57.423: E/AndroidRuntime(1353): java.lang.RuntimeException: Unable to      start activity 
        java.lang.NullPointerException
       07-24 13:33:57.423: E/AndroidRuntime(1353):    at   android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2180)
       07-24 13:33:57.423: E/AndroidRuntime(1353):    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2230)
       07-24 13:33:57.423: E/AndroidRuntime(1353):    at android.app.ActivityThread.access$600(ActivityThread.java:141)
       07-24 13:33:57.423: E/AndroidRuntime(1353):    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1234)
      07-24 13:33:57.423: E/AndroidRuntime(1353): at android.os.Handler.dispatchMessage(Handler.java:99)
       07-24 13:33:57.423: E/AndroidRuntime(1353): at  android.os.Looper.loop(Looper.java:137)
      07-24 13:33:57.423: E/AndroidRuntime(1353): at  android.app.ActivityThread.main(ActivityThread.java:5041)
      07-24 13:33:57.423: E/AndroidRuntime(1353): at  java.lang.reflect.Method.invokeNative(Native Method)
      07-24 13:33:57.423: E/AndroidRuntime(1353): at  java.lang.reflect.Method.invoke(Method.java:511)
      07-24 13:33:57.423: E/AndroidRuntime(1353): at   com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
     07-24 13:33:57.423: E/AndroidRuntime(1353):  at  com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
      07-24 13:33:57.423: E/AndroidRuntime(1353): at   dalvik.system.NativeStart.main(Native Method)
       07-24 13:33:57.423: E/AndroidRuntime(1353): Caused by: java.lang.NullPointerException
       07-24 13:33:57.423: E/AndroidRuntime(1353): at   com.thedesignpool.shorelineleisure.GymFind.onCreate(GymFind.java:35)
       07-24 13:33:57.423: E/AndroidRuntime(1353): at android.app.Activity.performCreate(Activity.java:5104)
       07-24 13:33:57.423: E/AndroidRuntime(1353): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1080)
       07-24 13:33:57.423: E/AndroidRuntime(1353): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2144)
  </code></pre>