why storyboard ui elements not showing on UIViewController in xcode 6?

Question

I am new to IOS development. I am developing an app for IOS 8 devices. I used storyboard for my design yesterday my storyboard showing all UI design but today morning it sho

Answer 1

Select install: Since all components [like label,textfield,buttons] are in disable mode, one select Installed check mark its will be enable again adjust constrain accordingly.