How to open sharepoint document (web apps) inside windows 8 metroo app without showing the login page

1. Open office doc
inside Windows Metro
App
BY:ASHISH AGRAWAL

2. Problem Statement
 How to open SharePoint document inside windows 8/8.1 metro app inside a web view
 login should happen seamlessly and app should be able to automatically open office web app
inside web view

3. Solution
 Using WebView.NavigateWithHttpRequestMessage(httpRequestMessage) API
 Using this API, we can pass the requestmessage with desired cookie to webview.
 Steps:
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Login to office 365 account
Save the rtfa and fedauth cookie
create the httpRequestMessage and add cookie header to it
change the URL as sharepoint document URL
Make navigate request with this httpRequestMessage

4. Sample Code
var httpRequestMessage = new
Windows.Web.Http.HttpRequestMessage(Windows.Web.Http.HttpMethod.Get, uriFormat);
uriFormat should be sharepoint document URL
httpRequestMessage.Headers.Cookie.Add(“cookie-name”,”cookie-value”);
WebView.NavigateWithHttpRequestMessage(httpRequestMessage);

5. Thanks