iOS push view onto stack in a tabbar application

I am making a tabbar application I 开发者_如何学JAVAhave an email button and would like when touched it pushes and email form ontop of the stack. Whats the best way to do this?

---

To push a view, you need a UINavigationController.

Check out the MFMailComposeViewController Class Reference and download the MailComposer example.