inputtoolbar keyboard becomefirstresponder not working in ios7

[vamsi575kg]

calling the [self.inputToolbar.textView becomeFirstResponder]; is not showing the keyboad automatically when the view is appeared so i wrote the code in the place where the textview is allocated [internalTextView becomeFirstResponder]; it works file in ios6 but not i ios7.

can any one please help me in solving the issue