how to make textview height smaller?

[GopalPatel1989]

There is need in my project that i have to made the textview smaller, I tried following but not getting success.

UITextView *textView = [[HPGrowingTextView alloc] initWithFrame:CGRectMake(15,4, 230,25)];

[sohanshrooms]

Set Minimum height of the text view.
self.textView.minHeight = 25