解决iOS 15 导航栏变白 透明

AppDelegate - didFinishLaunchingWithOptions新增

//解决iOS 15 导航栏透明问题

    if(@available(iOS 13.0, *)) {

        UINavigationBarAppearance *appearance = [UINavigationBarAppearance new];

        [appearance configureWithOpaqueBackground];

        appearance.backgroundColor=_COLOR_NAVIGATION;

        appearance.titleTextAttributes = NAVIGATIONBAR_TITLE_ATTRIBUTES_DICTIONARY;

        [[UINavigationBar appearance] setStandardAppearance:appearance];

        [[UINavigationBar appearance] setScrollEdgeAppearance:appearance];

    }else{

        // Fallback on earlier versions

    }