UINavigationBar標題飛出界限

Question

當我將視圖控制器推送到屏幕一半的導航控制器時，由於某種原因，以前的視圖控制器標題飛出了界限。這隻發生在iOS 5，而不是iOS 6.任何想法，爲什麼這可能會發生或我們如何解決它？

Answer 1

你可以設置導航欄標題像這樣： -

- (void)viewDidLoad 
{ 
     [super viewDidLoad]; 
     // Do any additional setup after loading the view, typically from a nib. 
     self.navigationItem.leftBarButtonItem = self.editButtonItem; 

     UIBarButtonItem *addButton = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAdd target:self action:@selector(insertNewObject:)] autorelease]; 
     self.navigationItem.rightBarButtonItem = addButton; 

     UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(0.0, 0.0, 320.0, 44.0)]; 
     [label setBackgroundColor:[UIColor clearColor]]; 
     [label setNumberOfLines:0]; 
     [label setTextColor:[UIColor whiteColor]]; 
     [label setTextAlignment:UITextAlignmentCenter]; 
     [label setFont:[UIFont systemFontOfSize:12]]; 
     NSString *str =@"1234567890 1234567890 1234567890 1234567890 1234567890 123456"; 
     [label setText:str]; 
     self.navigationItem.titleView = label; 

}