SharePoint 2013 Apps 10 Min Series – First 10 Min

SharePoint 2013 Apps 10 Min Series – First 10 Min

 

SharePoint 2013 app model is a new way to develop custom solutions which introduced in SharePoint 2013. a SharePoint 2013 app can access SharePoint data like lists, libraries, and other resources, but note that the app code run outside SharePoint process and share no memory with SharePoint or any other processes.

SharePoint 2013 custom solutions models

  1. Farm solution
  2. Sandbox solution
  3. App model [new feature in SharePoint 2013] –> in visual studio 2013, a new template called “App for SharePoint 2013” is available.

Smile SharePoint 2013 apps can run on both environment types Smile

  1. On – Premises Environment
  2. Cloud Environment 

Why do I choose the new app Model ???

  1. The same application is supported on both on-premises & cloud environment
  2. Remove dependency on SharePoint environment , the code never runs within the SharePoint host environment.
  3. App code is authenticated and run with distinct identity, because app itself is a security principle so it should be authenticated and authorized.

Light bulbBefore we start and go more deeply in SharePoint 2013 apps, let’s have a look on the difference between Office apps & SharePoint 2013 apps

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SharePoint 2013 apps pattern

the pattern you choose depend where you want to store code and where you want code to execute

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in a shareppint hosted app, you can only run client side script code so you must use the jsavascript CSOM to access SharePoint

in SharePoint hosted app, you can use HTML pages, Style Sheets, JavaScript, Script Libraries like Jquery, client object model, Rich web application like flash and silverlight

in cloud hosted app, all of the above is availble plus ASP.Net web forms, ASP.Net MVC, and PHP

So as a developer

Client languages –> JQuery, Prototype , jsPHP, Enyo

Server Side technologies –> ASP.Net [Web pages – web forms – MVC] && PHP & ruby on rails

Tools –> visual studio

 

hosting and web

host web –> the site which SharePoint app installed in it

in SharePoint hosted app –> new web which is subsite from host web is created and known as app web

in cloud hosted app –> there is no hosted app and all files related to the app is stored in external web server which called remote web

 

harePoint 2013 is a multi-tenant application; in other words, it is designed for hosted environments in
which multiple customers subscribe to SharePoint services from a service provider. In such environments,
there is one SharePoint farm but each customer must be isolated from the others to ensure that no
sensitive data is inadvertently published to unauthorized users from other customers

installation app scope

site scope

tenancy scope

 

app web domain

First, we will hit the SharePoint hosted app model

 

Access SharePoint data through

  1. web services
  2. Client object model.

sharepoint apps can run on

  1. user’s browser
  2. web server like IIS or windows azure

 

entry point

start page

app part

UI custom actions

 

to access data in external database you don’t have the ability to write a code to access it direct but you will use any script libraries to call webservices

 

calling client.svc services of SharePoint in two ways

1. client object model

2. Rest API

 

authentication of SharePoint app

1. Internal authentication

2. external authentication

SharePoint Apps Design Pattern

 

Location of to deploy the app

  1. app catalog
  2. Office store

 

packaging and publishing apps

encapsulate your app into a package, which is a single file of a standard format, a package contains all the files and information necessary to run the app in another SharePoint system

a package is a compressed file with the .app extension. the contents of the package file varies depending on whether you havebuilt a SharePoint hosted or cloud hosted app

 

SharePoint apps and cross site scripting and solutions

The cross domain library enables JavaScript code in a cloud hosted app’s remote web to access data in the
SharePoint app web, such as list items or documents. The cross domain library is a JavaScript library. You
can find it in the SharePoint LAYOUTSfolder in a file named SP.RequestExecutor.js. The cross domain
library calls methods in the AppWebProxy.aspxpage, which is also found in the LAYOUTSfolder.

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