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我現在在我的應用程序中使用了UINavigationController。我已經在此導航控制器的視圖中添加了一個按鈕,以便此按鈕顯示在導航欄的頂部。 問題是,當我隱藏導航欄並隱藏按鈕並再次顯示它們時,NavigationBar會出現在按鈕的頂部。 任何人都可以解決這個問題嗎?UINavigationBar在顯示後隱藏查看按鈕
@interface MyNavigationController : UINavigationController<UINavigationControllerDelegate>
{
UIButton *btnBack ;
}
-(id)initWithRootViewController:(UIViewController *)rootViewController
{
self = [super initWithRootViewController:rootViewController];
if (self)
{
self.delegate = self ;
self.navigationBar.barStyle = UIBarStyleBlack;
//btnBack
UIImageView *gameImage = [[UIImageView alloc] initWithFrame:CGRectMake(1, 1, 32, 27)];
self.btnBack = [UIButton buttonWithType:UIButtonTypeCustom];
self.btnBack.frame = CGRectMake(10, 5.0, 60, 30);
[self.btnBack setBackgroundImage:[UIImage imageNamed:@"backicon.png"] forState: UIControlStateNormal];
[self.btnBack addTarget:self action:@selector(back:) forControlEvents:UIControlEventTouchUpInside];
[self.btnBack addSubview: gameImage];
[self.view addSubview:self.btnBack];
}
return self ;
}
-(void)hideNavigationItems
{
[self setNavigationBarHidden:YES animated:YES];
self.btnBack.hidden = YES ;
}
-(void)showNavigationItems
{
self.navigationBarHidden = NO;
self.btnBack.hidden = NO ;
}
附加代碼PLZ ... – aahsanali
你試過: - (空)bringSubviewToFront:(UIView的*)的看法? –