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Page Animation in Windows Store Apps Using JavaScript

Posted by Deepak Arora Articles | Windows Store Apps September 27, 2012
In this article I describe how to create Windows Store Apps for animation using JavaScript.
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Introduction

In this article I describe how to create Windows Store Apps for animation using JavaScript. Use the Page animation to bring the first page of an application onto the screen or when transitioning to a new page. The contents of the new page animates in sections. Put the app in a Snap view to see the Snap version of this animation.

I assume you can create a simple Windows Store App using JavaScript; for more help visit Simple Windows Store Apps using JavaScript.

To start the creation of the apps, add two JavaScript pages by right-clicking on the js folder in the Solution Explorer and select Add > new item > JavaScript Page and then give an appropriate name. In the same way, add a HTML page to your project.

Animations-Windows-store-apps.jpg

Write the following code in the default.html:

<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8" />

    <title>My Apps</title>

    <link rel="stylesheet" href="//Microsoft.WinJS.1.0/css/ui-light.css" />

    <script src="//Microsoft.WinJS.1.0/js/base.js"></script>

    <script src="//Microsoft.WinJS.1.0/js/ui.js"></script>

    <link rel="stylesheet" href="/sample-utils/sample-utils.css" />

    <link rel="stylesheet" href="/css/default.css" />

    <script src="/js/script1.js"></script>

    <script src="/js/default.js"></script>

</head>

<body role="application" style="background-color: gray">

    <center><div id="rootGrid">

              <div id="content">

            <h1 id="featureLabel"></h1>

            <div id="contentHost"></div>

        </div>       

    </div></center>

</body>

</html>

Write the following code in the default.js:
 

(function () {

    "use strict";

    var sampleTitle = "";

    var Pages = [

        { url: "Page.html", title: "Show page" }

    ];

    function activated(eventObject) {

        if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) {

            eventObject.setPromise(WinJS.UI.processAll().then(function () {

                var url = WinJS.Application.sessionState.lastUrl || Pages[0].url;

                return WinJS.Navigation.navigate(url);

            }));

        }

    }

    WinJS.Navigation.addEventListener("navigated", function (eventObject) {

        var url = eventObject.detail.location;

        var host = document.getElementById("contentHost");

        host.winControl && host.winControl.unload && host.winControl.unload();

        WinJS.Utilities.empty(host);

        eventObject.detail.setPromise(WinJS.UI.Pages.render(url, host, eventObject.detail.state).then(function () {

            WinJS.Application.sessionState.lastUrl = url;

        }));

    });

    WinJS.Namespace.define("Apps", {

        sampleTitle: sampleTitle,

        Pages: Pages

    });

    WinJS.Application.addEventListener("activated", activated, false);

    WinJS.Application.start();

})();


Write the following code in the page.html:
 

(function () {

    "use strict";

    var sampleTitle = "";

    var Pages = [

        { url: "Page.html", title: "Show page" }

    ];

    function activated(eventObject) {

        if (eventObject.detail.kind === Windows.ApplicationModel.Activation.ActivationKind.launch) {

            eventObject.setPromise(WinJS.UI.processAll().then(function () {

                var url = WinJS.Application.sessionState.lastUrl || Pages[0].url;

                return WinJS.Navigation.navigate(url);

            }));

        }

    }

    WinJS.Navigation.addEventListener("navigated", function (eventObject) {

        var url = eventObject.detail.location;

        var host = document.getElementById("contentHost");

        host.winControl && host.winControl.unload && host.winControl.unload();

        WinJS.Utilities.empty(host);

        eventObject.detail.setPromise(WinJS.UI.Pages.render(url, host, eventObject.detail.state).then(function () {

            WinJS.Application.sessionState.lastUrl = url;

        }));

    });

    WinJS.Namespace.define("Apps", {

        sampleTitle: sampleTitle,

        Pages: Pages

    });

    WinJS.Application.addEventListener("activated", activated, false);

    WinJS.Application.start();

})(); 


Write the following code in the script.js:
 

(function () {

    "use strict";

    var page = WinJS.UI.Pages.define("Page.html", {

        ready: function (element, options) {

            runAnimation.addEventListener("click", runEnterPageAnimation, false);

        }

    });

    function runEnterPageAnimation() {       

        var pageSections = pageSectionsControl.value;

        content.style.overflow = "hidden";

        var enterPage;

        switch (pageSections) {

            case "1":               

                enterPage = WinJS.UI.Animation.enterPage(rootGrid, null);

                break;

            case "2":            

                enterPage = WinJS.UI.Animation.enterPage(rootGrid, null);

                break;

            case "3":              

                enterPage = WinJS.UI.Animation.enterPage(rootGrid, null);

                break;

        }

        outputText.innerText = "Animation Appeared inH" + pageSections + " section(s).";           

    }

})();


Write the following code in the script1.js:
 

(function () {

    var PageOutput = WinJS.Class.define(

        function (element, options) {

            element.winControl = this;

            this.element = element;

            new WinJS.Utilities.QueryCollection(element)

                        .setAttribute("role", "region")

                        .setAttribute("aria-labelledby", "outputLabel")

                        .setAttribute("aria-live", "assertive");

            element.id = "output";

            this._addOutputLabel(element);

            this._addStatusOutput(element);

        }, {

            _addOutputLabel: function (element) {

                var label = document.createElement("h2");

                label.id = "outputLabel";

                label.textContent = "";

                element.parentNode.insertBefore(label, element);

            },

            _addStatusOutput: function (element) {

                var statusDiv = document.createElement("div");

                statusDiv.id = "statusMessage";

                element.insertBefore(statusDiv, element.childNodes[0]);

            }

        }

    );

    var currentPageUrl = null;

    WinJS.Navigation.addEventListener("navigating", function (evt) {

        currentPageUrl = evt.detail.location;

    });

    WinJS.log = function (message, tag, type) {

        var isError = (type === "error");

        var isStatus = (type === "status");

        var statusDiv = document.getElementById("statusMessage");

    };

    function activated(e) {

        WinJS.Utilities.query("#featureLabel")[0].textContent = Apps.sampleTitle;

    }

    WinJS.Application.addEventListener("activated", activated, false);

    WinJS.Namespace.define("Apps", {

        PageOutput: PageOutput

    });

})();

Output

pages-animation-Windows-store-apps.jpg

page-animation-windows-store-apps.jpg

Summary

In this article I described how to create a Windows Store App for animation using JavaScript. I hope this article has helped you in understanding this topic. Please share it. If you know more about this, your feedback and constructive contributions are welcome.

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