Add Compass to your MapActivity

package com.invp;

import com.google.android.maps.MapActivity;

import android.hardware.Sensor;

import android.hardware.SensorEvent;

import android.hardware.SensorEventListener;

import android.hardware.SensorManager;

import android.os.Bundle;

import android.view.animation.Animation;

import android.view.animation.RotateAnimation;

import android.widget.ImageView;

import android.widget.TextView;

public class INVPMapActivity extends MapActivity implements SensorEventListener{