在横向模式下，UIBarButtonItem的垂直对齐太低

Question

我正在使用以下代码向UIToolbar（iPad）添加标题：

- (void)setupToolbarItems {
if (!toolbarItems) {
    UIBarButtonItem *flexSpacer = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemFlexibleSpace target:nil action:nil];
    UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 386.0, 20.0)];
    titleLabel.autoresizingMask = (UIViewAutoresizingFlexibleTopMargin | UIViewAutoresizingFlexibleBottomMargin | UIViewAutoresizingFlexibleWidth);
    titleLabel.textColor = [UIColor whiteColor];
    titleLabel.text = @"Hello";
    titleLabel.font = [UIFont fontWithName:@"Helvetica-Bold" size:20.0];
    titleLabel.shadowColor = [UIColor colorWithRed:0.0 green:0.0 blue:0.0 alpha:0.5];
    titleLabel.shadowOffset = CGSizeMake(0.0, -1.0);
    titleLabel.textAlignment = UITextAlignmentCenter;
    titleLabel.backgroundColor = [UIColor clearColor];
    UIBarButtonItem *titleLabelItem = [[UIBarButtonItem alloc] initWithCustomView:titleLabel];
    toolbarItems = [[NSArray alloc] initWithObjects:flexSpacer, titleLabelItem, flexSpacer, nil];
    [titleLabel release];
    [flexSpacer release];
    [titleLabelItem release];
}

[self setItems:self.toolbarItems animated:NO];
}

一切都在画像上很好，但在横向模式下，标签太过分了。 UIBarButtonItem不是一个视图，所以我无法从我的代码中调整它的位置，据我所知......我该如何解决这个问题？

<小时/>

人像：

风景：

Answer 1

将UIViewAutoresizingFlexibleHeight添加到titleView。你不会让它缩小标签。