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：