Create publishing pages in apps for SharePoint 2013

http://code.msdn.microsoft.com/office/SharePoint-2013-Create-9bfa6f5c

vs2012->file->new->project c# ->office/SharePoint->apps->apps for SharePoint 2013-> "SP_Publishing_js"

Click on 'Ok' button

Click on 'Validate' button

Click on 'Sign in'

Now click on 'Finish' button

SP_Publishing_js -> Pages -> open 'Default.aspx' 

Add below 'sp.publishing.js' javascript reference in 'PlaceHolderAdditionalPageHead' 

The SP.Publishing.js file. This file is provided by SharePoint Server, 

And has been added as a script link in the Default.aspx page, 

Because that enables the script in App.js to use SP.Publishing classes.

<script type="text/javascript" src="/_layouts/15/sp.publishing.js"></script>

And add below div in 'PlaceHolderMain' 

<asp:Content ContentPlaceHolderID="PlaceHolderMain" runat="server">

    <div>

        <p id="message">

            initializing...

        </p>

    </div>

    <div>

        <input id="CreatePage" type="button" value="Create New Publishing Page" />

        <a id="linkToPage"></a>

    </div>

</asp:Content>

SP_Publishing_js -> Scripts -> open 'App.js' 

And add below javascript 

'use strict';

var context;

var web;

var pubWeb;

var pageInfo;

var newPage;

var listItem;

var user;

context = SP.ClientContext.get_current();

user = context.get_web().get_currentUser();

$(document).ready(function () {

    web = context.get_web();

    $('#CreatePage').click(function () { createPage(); });

    getUserName();

});

function getUserName() {

    context.load(user);

    context.executeQueryAsync(onGetUserNameSuccess, onGetUserNameFail);

}

function onGetUserNameSuccess() {

    $('#message').text('Hello ' + user.get_title());

}

function onGetUserNameFail(sender, args) {

    alert('Failed to get user name. Error:' + args.get_message());

}

function createPage() {

    context.load(web);

    context.executeQueryAsync(

        function () {

            var hostUrl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));

            var hostcontext = new SP.AppContextSite(context, hostUrl);

            web = hostcontext.get_web();

            pubWeb = SP.Publishing.PublishingWeb.getPublishingWeb(context, web);

            context.load(web);

            context.load(pubWeb);

            context.executeQueryAsync(

                function () {

                    pageInfo = new SP.Publishing.PublishingPageInformation();

                    newPage = pubWeb.addPublishingPage(pageInfo);

                    context.load(newPage);

                    context.executeQueryAsync(

                        function () {

                            listItem = newPage.get_listItem();

                            context.load(listItem);

                            context.executeQueryAsync(

                                function () {

                                    var link = document.getElementById("linkToPage");

                                    link.setAttribute("href", web.get_url() + "/Pages/" + listItem.get_fieldValues().FileLeafRef);

                                    link.innerText = "Go to new page!";

                                },

                                function (sender, args) {

                                    alert('Failed to get new page: ' + args.get_message());

                                }

                                );

                        },

                        function (sender, args) {

                            alert('Failed to Add Page: ' + args.get_message());

                        }

                        );

                },

                function (sender, args) {

                    alert('Failed to get the PublishingWeb: ' + args.get_message());

                }

                );

        },

        function (sender, args) {

            alert('Failed to get the hosting Web: ' + args.get_message());

        });

}

function getQueryStringParameter(paramToRetrieve) {

    var params =

    document.URL.split("?")[1].split("&");

    var strParams = "";

    for (var i = 0; i < params.length; i = i + 1) {

        var singleParam = params[i].split("=");

        if (singleParam[0] == paramToRetrieve)

            return singleParam[1];

    }

}

SP_Publishing_js -> AppManifest.xml -> select 'Permission' Tab

Set web, site collection to 'FullControl' permission

SP_Publishing_js -> Deploy

Now it is asking 'Do you trust SP_Publishing_js?'

Click on 'Trust It'

Click on 'Create New Publishing Page' button

Now a page has been created in 'Pages' Library (if 'Page' Library is not their we need to activate publishing feature)

Thank You