自定导航控制器

//
//  CustNavigationViewController.m
//  生活荟
//
//  Created by 李冬强 on 15-1-19.
//  Copyright (c) 2015年 ldq. All rights reserved.
//

#import "CustNavigationViewController.h"

@interface CustNavigationViewController ()

@end

@implementation CustNavigationViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view.
}

// 第一次使用这个类调用
+ (void)initialize
{
    // 设置导航栏主题
    [self setupNavBarTheme];
    // 设置导航栏item主题
    [self setupBarButtonItemTheme];

}

// 设置导航栏主题
+ (void)setupNavBarTheme
{
    // 取出 appearance对象
    UINavigationBar *navBar = [UINavigationBar appearance];
    [[UIApplication sharedApplication] setStatusBarStyle:UIStatusBarStyleDefault];

    // 设置背景
//    navBar.barTintColor = ;

    // 设置标题属性
    NSMutableDictionary *textAttrs = [NSMutableDictionary dictionary];
    textAttrs[NSForegroundColorAttributeName] = kZhuTiColor;
    textAttrs[NSFontAttributeName] = [UIFont boldSystemFontOfSize:22];
    [navBar setTitleTextAttributes:textAttrs];
}

// 设置导航栏item主题
+ (void)setupBarButtonItemTheme
{
    UIBarButtonItem *item = [UIBarButtonItem appearance];
    // 设置背景

    // 设置文字属性
    NSMutableDictionary *textAttrs = [NSMutableDictionary dictionary];
    textAttrs[NSForegroundColorAttributeName] = [UIColor whiteColor];
    textAttrs[NSFontAttributeName] = [UIFont systemFontOfSize: 15];
    [item setTitleTextAttributes:textAttrs forState:UIControlStateNormal];
    [item setTitleTextAttributes:textAttrs forState:UIControlStateHighlighted];
    NSMutableDictionary *disableTextAttrs = [NSMutableDictionary dictionary];
    disableTextAttrs[NSFontAttributeName] = [UIColor lightGrayColor];
    [item setTitleTextAttributes:disableTextAttrs forState:UIControlStateDisabled];
}

- (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
{
    if (self.viewControllers.count > 0) {
        viewController.hidesBottomBarWhenPushed = YES;
    }
    [super pushViewController:viewController animated:animated];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

@end