Get detail info of Accelerometer

package com.exercise.AndroidAccelerometer;

import android.app.Activity;
import android.os.Bundle;
import android.widget.TextView;

import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;

public class AndroidAccelerometerActivity extends Activity 
 implements SensorEventListener{
 
 private SensorManager sensorManager;
 private Sensor sensorAccelerometer;
 
 TextView readingAzimuth, readingPitch, readingRoll;
 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        sensorManager = (SensorManager)getSystemService(SENSOR_SERVICE);
        sensorAccelerometer = sensorManager.getDefaultSensor(
          Sensor.TYPE_ACCELEROMETER);
        
        readingAzimuth = (TextView)findViewById(R.id.azimuth);
        readingPitch = (TextView)findViewById(R.id.pitch);
        readingRoll = (TextView)findViewById(R.id.roll);
        TextView info = (TextView)findViewById(R.id.info);
          
        String stringInfo = "\n"
        + "Name: " + sensorAccelerometer.getName() + "\n"
        + "Type: " + sensorAccelerometer.getType() + "\n"
        + "Vendor: " + sensorAccelerometer.getVendor() + "\n"
        + "Version: " + sensorAccelerometer.getVersion() + "\n"
        + "Class: " + sensorAccelerometer.getClass() + "\n"
        + "Resolution: " + sensorAccelerometer.getResolution() + "\n"
        + "MaximumRange: " + sensorAccelerometer.getMaximumRange() + "\n"
        + "Power: " + sensorAccelerometer.getPower() + "\n";
        
        info.setText(stringInfo);
        
    }

 @Override
 protected void onPause() {
  super.onPause();
  sensorManager.unregisterListener(this);
 }

 @Override
 protected void onResume() {
  super.onResume();
  sensorManager.registerListener(this, 
    sensorAccelerometer, 
    SensorManager.SENSOR_DELAY_NORMAL);
 }

 @Override
 public void onAccuracyChanged(Sensor arg0, int arg1) {
  // TODO Auto-generated method stub
  
 }

 @Override
 public void onSensorChanged(SensorEvent event) {

  /*
   * event.values[0]: azimuth, rotation around the Z axis.
   * event.values[1]: pitch, rotation around the X axis.
   * event.values[2]: roll, rotation around the Y axis.
   */
  
  float valueAzimuth = event.values[0];
  float valuePitch = event.values[1];
  float valueRoll = event.values[2];
  
  readingAzimuth.setText("Azimuth: " + String.valueOf(valueAzimuth));
        readingPitch.setText("Pitch: " + String.valueOf(valuePitch));
        readingRoll.setText("Roll: " + String.valueOf(valueRoll));

  
 }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical" >

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />
    <TextView
        android:id="@+id/info" 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>
    <TextView
        android:id="@+id/azimuth" 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>
    <TextView
        android:id="@+id/pitch" 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>
    <TextView
        android:id="@+id/roll" 
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"/>

</LinearLayout>