textViewHeight

• (BOOL)textView:(UITextView *)textView shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text
  {
  CGRect frame = textView.frame;
  float height;
  if ([text isEqual:@""]) {

    if (![textView.text isEqualToString:@""]) {
  
        height = [ self heightForTextView:textView WithText:[textView.text substringToIndex:[textView.text length] - 1]];
  
    }else{
  
        height = [ self heightForTextView:textView WithText:textView.text];
    }
  

  }else{

        height = [self heightForTextView:textView WithText:[NSString stringWithFormat:@"%@%@",textView.text,text]];
  

  }

  frame.size.height = height;
  [UIView animateWithDuration:0.5 animations:^{

        textView.frame = frame;
  
    } completion:nil];
  

  return YES;
  }