configureWithOpaqueBackground
1.UITabBarAppearance
if (@available(iOS 13.0, *)) {
UITabBarAppearance *tabBarAppearance = [[UITabBarAppearance alloc] init];
[tabBarAppearance configureWithOpaqueBackground];
tabBarAppearance.backgroundImage = [self createImageWithColor:[UIColor colorWithRed:249/255.0 green:251/255.0 blue:252/255.0 alpha:1.0]];
tabBarAppearance.shadowColor = [UIColor colorWithRed:249/255.0 green:251/255.0 blue:252/255.0 alpha:1.0];
self.tabBar.standardAppearance = tabBarAppearance;
if (@available(iOS 15.0, *)) {
self.tabBar.scrollEdgeAppearance = tabBarAppearance;
}
}
/** 导航栏变成透明需要重写 */
UINavigationBarAppearance *appearance = [UINavigationBarAppearance new];
[appearance configureWithOpaqueBackground];
appearance.backgroundColor = [UIColor whiteColor];
//去掉导航栏下的阴影线
appearance.shadowColor= [UIColor clearColor];
NSMutableDictionary *titleDic = [NSMutableDictionary dictionary];
[titleDic setValue:[UIColor whiteColor] forKey:NSForegroundColorAttributeName];
appearance.titleTextAttributes = titleDic;
self.navigationBar.standardAppearance = appearance;
self.navigationBar.scrollEdgeAppearance = self.navigationBar.standardAppearance;
