Page Comparison

document.addEventListener("deviceready", onDeviceReady, false);
function onDeviceReady() {
  startWatch();
}

var watchID;
function startWatch() {
  var previousReading = {
    x: null,
    y: null,
    z: null
  }
  var options = { frequency: 250 };  // Update acceleration every quarter second
  watchID = navigator.accelerometer.watchAcceleration(function onSuccess(acceleration) {
    var changes = {},
    bound = 4;  // this controls the sensitivity for detecting the shake event
    if (previousReading.x !== null) {
      changes.x = Math.abs(previousReading.x, acceleration.x);
      changes.y = Math.abs(previousReading.y, acceleration.y);
    }
    if (changes.x > bound && changes.y > bound) {
      stopWatch();
      // We are relying on a hidden button with an ID of shake to be present on the Profound UI Rich Display File screen
      if (getObj("shake") != null) pui.click("shake");
      setTimeout(startWatch, 3000);
    }
    previousReading = {
      x: acceleration.x,
      y: acceleration.y,
      z: acceleration.z
    }
  }, function onError() {
    alert('Some problem has occurred in reading the accelerometer.');
  }, options);
}

function stopWatch() {
  if (watchID) {
    navigator.accelerometer.clearWatch(watchID);
    watchID = null;
  }
}

If Shake = *On;
  // RPG logic, such as clearing screen data, would go here
EndIf;