UITextView placeHolder

UITextView placeHolder

    UILabel *placeHolderLabel = [[UILabel alloc] init];
    placeHolderLabel.text = LDLocalizedString(@"xxxxxxxxx");
    placeHolderLabel.numberOfLines = 0;
    placeHolderLabel.textColor = [UIColor lightGrayColor];
    [placeHolderLabel sizeToFit];
    [self.userTextView addSubview:placeHolderLabel];

    // same font
    placeHolderLabel.font = self.userTextView.font;

    [self.userTextView setValue:placeHolderLabel forKey:@"_placeholderLabel"];