问题:导航栏自定义标题View的时候会发现不居中?
解决办法:viewDidLoad中加入如下代码:
NSArray *viewControllerArray = [self.navigationController viewControllers];
long previousViewControllerIndex = [viewControllerArray indexOfObject:self] - 1;
UIViewController *previous;
if (previousViewControllerIndex >= 0) {
previous = [viewControllerArray objectAtIndex:previousViewControllerIndex];
previous.navigationItem.backBarButtonItem = [[UIBarButtonItem alloc]
initWithTitle:@""
style:UIBarButtonItemStylePlain
target:self
action:nil];
}