App for SharePoint online : Resource files can not with the app install package deployment

Question

I come from China, my English is not very good, bring you the confusion, I apologize;In the development of the APP to the store, I met a problem, hope someone can help me to solve, thank you very much, specific as follows:
The development tools: vs2012
Platform: office 365 development version
Host:Auto
Problem presentation:
Press "F5" debugging running normally,Generate app install package, deploy to test environment, the app page error, tip can't find the resource file"
error:
Server Error in '/' Application.
Object reference not set to an instance of an object.
Description: An
unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 
Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.
Source Error: 
Line 107: <div id="FoundareADUserIndex_PageHead">
Line 108: <span><img alt="" src="../images/head.png" height= "45px" width="45px" /> </span>
Line 109: <span style="color: #000000; font-size: 28px; font-weight: bold"><%=HttpContext.GetGlobalResourceObject("FoundareADUserResource", "foundare_index_head").ToString()%></span>&nbsp;
Line 110:
Line 111:
Source File: c:\DWASFiles\sites\fzym9dfaguchcdqnvjrwcr2pqasevj5hpvhmcaydkdg1.0.0.0\VirtualDirectory0\site\wwwroot\Pages\Default.aspx   
Line: 109 
Stack Trace: 

Answer 1

Hi,
According to your post, my understanding is that you want to use resource files in your SharePoint app project.
Here is an article for your reference:
http://msdn.microsoft.com/en-us/library/office/fp179919.aspx
Code sample: SharePoint 2013: Localize the app web, host web, and remote components of an app
http://code.msdn.microsoft.com/office/SharePoint-2013-Bookstore-328060fc/sourcecode?fileId=60464&pathId=1536365664
Best Regards
Dennis Guo
TechNet Community Support