Java tutorial
//package com.java2s; import android.hardware.SensorEvent; public class Main { public static double getAcceleration(SensorEvent event) { final float x = event.values[0]; final float y = event.values[1]; final float z = event.values[2]; double sqrt = Math.sqrt(Math.abs(x * x) + Math.abs(y * y) + Math.abs(z * z)); return sqrt; } }