android google maps "unfortunately, <app name> has stopped"
===

everytime i try to run my app i got this error
"unfortunately, <app name> has stopped"
please help

here attach the application code and the logCat



        package com.example.mapsapp;
    
    import com.google.android.maps.GeoPoint;
    import com.google.android.maps.MapActivity;
    import com.google.android.maps.MapController;
    import com.google.android.maps.MapView;
    
    import android.os.Bundle;
    import android.view.Menu;
    
    
    public class HichRideActivity extends MapActivity
    {
    	
    	
    	MapController mControl;
    	GeoPoint geop;
    	MapView mapV;
    
        @Override
        public void onCreate(Bundle savedInstanceState)
        {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.activity_hich_ride);
            
            mapV= (MapView) findViewById(R.id.menu_settings);
            mapV.displayZoomControls(true);
            mapV.setBuiltInZoomControls(true);
            
            
            double lat= 40.8;
            double longi=-96.666;
            
            geop = new GeoPoint ((int)(lat * 1E6), (int)(longi * 1E6));
            mControl.animateTo(geop);
            mControl.setZoom(13);
            
        }
    
     
       @Override
        public boolean onCreateOptionsMenu(Menu menu)
        {
           getMenuInflater().inflate(R.menu.activity_hich_ride, menu);
            return true;
       }
    
    	@Override
    	protected boolean isRouteDisplayed()
    	{
    		// TODO Auto-generated method stub
    		return false;
    	}
    	
    	
    }






and here the logCat
it says that i have null exceptions but i dont know which parameter is null,





    07-31 13:40:46.344: E/Trace(1043): error opening trace file: No such file or directory (2)
    07-31 13:40:47.134: D/AndroidRuntime(1043): Shutting down VM
    07-31 13:40:47.134: W/dalvikvm(1043): threadid=1: thread exiting with uncaught exception (group=0x40a13300)
    07-31 13:40:47.194: D/dalvikvm(1043): GC_CONCURRENT freed 195K, 3% free 8273K/8519K, paused 80ms+5ms, total 166ms
    07-31 13:40:47.194: D/dalvikvm(1043): WAIT_FOR_CONCURRENT_GC blocked 26ms
    07-31 13:40:47.194: E/AndroidRuntime(1043): FATAL EXCEPTION: main
    07-31 13:40:47.194: E/AndroidRuntime(1043): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.mapsapp/com.example.mapsapp.HichRideActivity}: java.lang.NullPointerException
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2059)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2084)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.ActivityThread.access$600(ActivityThread.java:130)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1195)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.os.Handler.dispatchMessage(Handler.java:99)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.os.Looper.loop(Looper.java:137)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.ActivityThread.main(ActivityThread.java:4745)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at java.lang.reflect.Method.invokeNative(Native Method)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at java.lang.reflect.Method.invoke(Method.java:511)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at dalvik.system.NativeStart.main(Native Method)
    07-31 13:40:47.194: E/AndroidRuntime(1043): Caused by: java.lang.NullPointerException
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at com.example.mapsapp.HichRideActivity.onCreate(HichRideActivity.java:27)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.Activity.performCreate(Activity.java:5008)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1079)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2023)
    07-31 13:40:47.194: E/AndroidRuntime(1043): 	... 11 more
    07-31 13:40:47.214: W/CursorWrapperInner(1043): Cursor finalized without prior close()
    07-31 13:40:47.214: W/CursorWrapperInner(1043): Cursor finalized without prior close()

    
thanks,
