Detect "natural" orientation of screen, using Display.getRotation()

package com.AndroidOrientation;

import android.app.Activity;
import android.content.Context;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.view.Display;
import android.view.OrientationEventListener;
import android.view.Surface;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;

public class AndroidOrientation extends Activity{
 
 TextView textOrientation;
 MyOrientationEventListener myOrientationEventListener;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        textOrientation = (TextView)findViewById(R.id.textorientation);
        
        myOrientationEventListener = 
         new MyOrientationEventListener(this, SensorManager.SENSOR_DELAY_NORMAL);
        
        if (myOrientationEventListener.canDetectOrientation()){
         myOrientationEventListener.enable();
        }else{
         Toast.makeText(AndroidOrientation.this, 
           "Can't Detect Orientation!", 
           Toast.LENGTH_LONG).show();
        }
    }
    
    @Override
 protected void onDestroy() {
  // TODO Auto-generated method stub
  super.onDestroy();
  myOrientationEventListener.disable();
 }

 class MyOrientationEventListener extends OrientationEventListener{
  
  String prevOrientation = "";
  String curOrientation = "";

  public MyOrientationEventListener(Context context, int rate) {
   super(context, rate);
   // TODO Auto-generated constructor stub
  }

  @Override
  public void onOrientationChanged(int arg0) {
   // TODO Auto-generated method stub
   
   Display display = ((WindowManager)getSystemService(Context.WINDOW_SERVICE))
        .getDefaultDisplay();
   switch(display.getRotation()){
   case(Surface.ROTATION_0): 
    curOrientation = "ROTATION_0";
    break;
   case(Surface.ROTATION_90): 
    curOrientation = "ROTATION_90";
    break;
   case(Surface.ROTATION_180): 
    curOrientation = "ROTATION_180";
    break;
   case(Surface.ROTATION_270): 
    curOrientation = "ROTATION_270";
    break;
   }
   
   textOrientation.setText(curOrientation);
   
   if (!curOrientation.equals(prevOrientation)){
    Toast.makeText(AndroidOrientation.this, curOrientation, Toast.LENGTH_LONG).show();
    prevOrientation = curOrientation;
   }
  }
    }
}

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