Do you feel the motion? No? Then you’re not using ngCordova device motion plugin. I’m creating this example to show you how easy it is.

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This tutorial requires a correct development environment:
  • Android Environment (or iOS if your working on a MacOS)
  • nodeJS
  • Ionic
  • Cordova
If you don’t have previous Ionic Framework experience, find more information here: Ionic Framework | Installation Guide.

1. Update Ionic & Cordova

Before we can start make sure you have the latest nodeJS installation, without it, you’ll not be able to properly install Ionic and Cordova.
If everything went well with nodeJS, let’s continue with Ionic and Cordova:
npm update -g cordova ionic

2. Create a New Project

ionic start IonicDeviceMotionDemo blank
cd IonicDeviceMotionDemo
Warning: Since some of you never worked with Ionic CLI. From this point and further, every time I tell you to execute something, do that inside a project folder.
This example requires Android platform:
ionic platform add android
For MacOS users, do it like this:
ionic platform add ios

3. Download ngCordova archive

ngCordova is a collection of 63+ AngularJS extensions on top of the Cordova API that make it easy to build, test, and deploy Cordova mobile apps with AngularJS. While we can make this work without ngCordova, it’s much more practical this way. This collection also holds many Ionic Framework compatible plugins.
Download ngCordova zip file, here’s site link:
Official Site Docs Download Link
Unzip this archive, find a file name called: ng-cordova.min.js, it should be available at this location: ng-cordova-master\dist\.
Open your newly created project directory and copy ng-cordova.min.js to this location: IonicDeviceMotionDemo\www\js.
Now include this location to index.html located at IonicDeviceMotionDemo\www; add it above cordova.js file, like this:
<!-- cordova script (this will be a 404 during development) -->
<script src="js/ng-cordova.min.js"></script>
<script src="cordova.js"></script>

4. Install Cordova Device Motion Plugin

Add required plugins:
cordova plugin add cordova-plugin-device-motion
cordova plugin add cordova-plugin-whitelist
Install Whitelist plugin only if you’re using Cordova 4.0 +. Without it you’ll receive “Application Error: There was a network error.” error. On the other hand, add last two plugins only if you’re intending to reuse my example. They’re not required for Image Picker.
GitHub - Device Motion


At this point, you should have everything set up and ready, we can start working on our example.
Go to IonicDeviceMotionDemo project directory and find app.js, alter angular.module line and include ngCordova service, like this:
var app = angular.module('starter', ['ionic', 'ngCordova'])
Open index.html file, add a controller to ion-pane directive:
      <ion-header-bar class="bar-stable">
        <h1 class="title">Device Motion Example</h1>
      <ion-content ng-controller="MotionController">
Initialize this controller in app.js file; don’t forget to inject $cordovaImagePicker service. We will also need $cordovaDeviceMotion, like this:
app.controller('MotionController', function($scope, $cordovaDeviceMotion, $ionicPlatform) {

If you’re using Cordova 4+, you will need to check if there’s a Whitelist plugin installed with your project. If you have it, add this security meta tag to your index.html HEAD content:
<meta http-equiv="Content-Security-Policy" content="default-src *; script-src 'self' 'unsafe-inline' 'unsafe-eval' *; style-src  'self' 'unsafe-inline' *">
Without it your application will throw an error during the app initialization, after that it will continually throwing no security meta-tag found. While not a blocking point, constant console log warnings will make it hard to do any debugging.
Now let’s discuss our code, everything is described in comments:
    // watch Acceleration options
    $scope.options = { 
        frequency: 100, // Measure every 100ms
        deviation : 25  // We'll use deviation to determine the shake event, best values in the range between 25 and 30

    // Current measurements
    $scope.measurements = {
        x : null,
        y : null,
        z : null,
        timestamp : null

    // Previous measurements	
    $scope.previousMeasurements = {
        x : null,
        y : null,
        z : null,
        timestamp : null
We will use next function to detect motion:
        //Start Watching method
        $scope.startWatching = function() {		

            // Device motion configuration
            $ = $cordovaDeviceMotion.watchAcceleration($scope.options);

            // Device motion initilaization
            $, function(error) {
            },function(result) {

                // Set current data  
                $scope.measurements.x = result.x;
                $scope.measurements.y = result.y;
                $scope.measurements.z = result.z;
                $scope.measurements.timestamp = result.timestamp;				  

                // Detecta shake  

Next function will stop motion detection:
        // Stop watching method
        $scope.stopWatching = function() {	
Next function will detect shake event:
        // Detect shake method		
        $scope.detectShake = function(result) {	

            //Object to hold measurement difference between current and old data
            var measurementsChange = {};

            // Calculate measurement change only if we have two sets of data, current and old
            if ($scope.previousMeasurements.x !== null) {
                measurementsChange.x = Math.abs($scope.previousMeasurements.x, result.x);
                measurementsChange.y = Math.abs($scope.previousMeasurements.y, result.y);
                measurementsChange.z = Math.abs($scope.previousMeasurements.z, result.z);

            // If measurement change is bigger then predefined deviation
            if (measurementsChange.x + measurementsChange.y + measurementsChange.z > $scope.options.deviation) {
                $scope.stopWatching();  // Stop watching because it will start triggering like hell
                console.log('Shake detected'); // shake detected
                setTimeout($scope.startWatching(), 1000);  // Again start watching after 1 sex

                // Clean previous measurements after succesfull shake detection, so we can do it next time
                $scope.previousMeasurements = { 
                    x: null, 
                    y: null, 
                    z: null

            } else {
                // On first measurements set it as the previous one
                $scope.previousMeasurements = {
                    x: result.x,
                    y: result.y,
                    z: result.z

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