ios - How do I resign a first responder in a modal view with a Navigation Controller? -

I think it is quite impossible to resign from the first navigation controller in the first responder in my model view.

I have a search bar that I use to search through a tableview. I have to do this so that when I click on a cell, or push and navigate through the scene, the keyboard will disappear. I have tried to call

  [_Searchbar resigns first responder];   
 And make the same call for each view and subview in the model view.  
 Any ideas?  
 I have also tried to use the methods of the delegation by invoking the method on NavigationTemplatePop.  
 
 I am in a complete loss.   
 
 
 Not sure that you have already solved this but this thread key:  
      
   
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