title: How to change Xcode Project name
body: <p>I have developed my app in Xcode for iPhone, in start I have just named it without secnec now I want to change my app name I have replace my old app name with new one as I have found the name in my app, but its still giving me one error...</p>
  
  <blockquote>
    <p>Desktop/New name/old name_Prefix.pch: No such file or directory</p>
  </blockquote>
  
  <p>when I have change oldname_prefix.pch with newname_prefix.pch ..</p>