How do I size a UITextView to its content? from stack overflow!

see:http://stackoverflow.com/questions/50467/how-do-i-size-a-uitextview-to-its-content

code:

CGRect frame = _textView.frame;

frame.size.height = _textView.contentSize.height;

_textView.frame = frame;

note this line:

One thing to note is that the correct contentSize is only available after the UITextView has been added to the view with addSubview. Prior to that it is equal to frame.size

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