How Do I Get Direction Like Left,Right,Up,Down Form Accelerometerin Android

package com.example.controller;



import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
//import android.hardware.SensorListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.os.Vibrator;
import android.app.Activity;
import android.view.Menu;
import android.widget.TextView;

@SuppressWarnings("deprecation")
public class MainActivity extends Activity implements SensorEventListener {
	
	private float lastX,lastY,lastZ;
	private SensorManager senMan;
	private Sensor accMeter;
	
	private float deltaX = 0;
	private float deltaY = 0;
	private float deltaZ = 0;
	
	private float deltaXMax = 0;
	private float deltaYMax = 0;
	private float deltaZMax = 0;
		
	private TextView currentX, currentY, currentZ, maxX, maxY, maxZ;

	@Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initializeViews();
        senMan=(SensorManager)this.getSystemService(SENSOR_SERVICE);
        if(senMan.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)!=null)
        {
        	accMeter=senMan.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);
        	senMan.registerListener((SensorEventListener) this, accMeter, SensorManager.SENSOR_DELAY_NORMAL);
        	  	
        }
        
        
    }
	
	
	
	protected void onResume(){
		super.onResume();
		senMan.registerListener((SensorEventListener) this, accMeter,SensorManager.SENSOR_DELAY_NORMAL);
	}
	
	@SuppressWarnings("deprecation")
	protected void onPuse()
	{
		super.onPause();
		senMan.unregisterListener(this);
	}
	
	public void initializeViews() {
		currentX = (TextView) findViewById(R.id.currentX);
		currentY = (TextView) findViewById(R.id.currentY);
		currentZ = (TextView) findViewById(R.id.currentZ);
		maxX=(TextView) findViewById(R.id.maxX);
		maxY=(TextView) findViewById(R.id.maxY);
		/*maxX = (TextView) findViewById(R.id.maxX);
		maxY = (TextView) findViewById(R.id.maxY);
		maxZ = (TextView) findViewById(R.id.maxZ);*/
	}
	
	public void onSensorChanged(SensorEvent event){
		//clear();
		displayValue();
		
		deltaX = Math.abs(lastX - event.values[0]);
		deltaY = Math.abs(lastY - event.values[1]);
		deltaZ= Math.abs(lastZ- event.values[2]);
		
		if (deltaX > 0){
			
			maxX.setText("Left");
			//deltaX=0;
		}
		else if(deltaX < 0){
			maxX.setText("Right");
		}
		if (deltaY > 0){
			maxY.setText("Down");
			//deltaY=0;
		}
		else if(deltaY < 0){
			maxY.setText("Up");
		}
		if (deltaZ<2){
			deltaZ=0;
		}
		lastX=event.values[0];
		lastY=event.values[1];
		lastZ=event.values[2];
		
		
	}
	
	public void clear(){
		currentX.setText("0.0");
		currentY.setText("0.0");
		currentZ.setText("0.0");
	}
	public void displayValue(){
		currentX.setText(Float.toString(deltaX));
		currentY.setText(Float.toString(deltaY));
		currentZ.setText(Float.toString(deltaZ));
	}


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }
	@Override
	public void onAccuracyChanged(Sensor arg0, int arg1) {
		// TODO Auto-generated method stub
		
	}
    
}