美团HD(1)-设置导航栏主题

自定义一个UINavigationController

DJNavigationController.h

#import <UIKit/UIKit.h>

@interface DJNavigationController : UINavigationController

@end

DJNavigationController.m

#import "DJNavigationController.h"

@implementation DJNavigationController

+(void)initialize {

    UINavigationBar *bar = [UINavigationBar appearance];
    [bar setBackgroundImage:[UIImage imageNamed:@"bg_navigationBar_normal"] forBarMetrics:UIBarMetricsDefault];

}

@end

最终效果：