Master page configuration based on device

• Create new empty SharePoint project solution
• Add new application page in project.
• Add new c# class file and inherit httpmodule class. Add following code in this class.
  

      ----------------------------------------------------

      public void Init(HttpApplication context)

              {

                  context.PreRequestHandlerExecute += new EventHandler(context_PreRequestHandlerExecute);

              }

              void context_PreRequestHandlerExecute(object sender, EventArgs e)

              {

                  Page page = HttpContext.Current.CurrentHandler as Page;

                  if (page != null)

                  {

                      // register handler for PreInit event

                      page.PreInit += new EventHandler(page_PreInit);

                  }

              }

              void page_PreInit(object sender, EventArgs e)

              {

                  Page page = sender as Page;

                  if (page != null)

                  { 

                      SPSite currentSite = (SPSite)SPContext.Current.Site;

                      SPWeb currentWeb = currentSite.RootWeb;

                      if (page != null)

                      {

                          string strUserAgent = page.Request.UserAgent.ToString().ToLower();

                          Console.Write(strUserAgent);

                          if (strUserAgent != null)

                          {

                              if (page.Request.Browser.IsMobileDevice == true ||

                                  strUserAgent.Contains("iphone") || strUserAgent.Contains("ipod") ||

                                  strUserAgent.Contains("symbian") || strUserAgent.Contains("android") ||  strUserAgent.Contains("htc") ||

                                  strUserAgent.Contains("windows ce") || strUserAgent.Contains("blackberry") ||

                                  strUserAgent.Contains("palm") || (strUserAgent.Contains("mobile") && !strUserAgent.Contains("ipad")) ||

                                  strUserAgent.Contains("opera mini"))

                              {

                                  currentWeb.MasterUrl = "/_catalogs/masterpage/Iphone-Device.master";

                                  currentWeb.CustomMasterUrl = "/_catalogs/masterpage/Iphone-Device.master";

                              }

                              else if (strUserAgent.Contains("mobile") && strUserAgent.Contains("ipad"))

                              {

                                  currentWeb.MasterUrl = "/_catalogs/masterpage/Ipad-Device.master";

                                  currentWeb.CustomMasterUrl = "/_catalogs/masterpage/Ipad-Device.master";

                              }

                              else

                              {

                                  page.MasterPageFile = "/_catalogs/masterpage/Desktop-Device.master";

                              }

                          }

                          else

                          {

                              currentWeb.MasterUrl = "/_catalogs/masterpage/v4.master";

                              currentWeb.CustomMasterUrl = "/_catalogs/masterpage/v4.master";

                          }

                          currentWeb.AllowUnsafeUpdates = true;

                          currentWeb.Update();

                          currentWeb.AllowUnsafeUpdates = false;

                      }

                  }

              }

              public void Dispose() { /* empty implementation */ }

  
  
• Create new mater pages as per requirement and upload that master pages in web application.
• Deploy this solution in web application.
• Browse the application page and check the functionality in all devices.

If you have any questions you can reach out our SharePoint Consulting team here.