1 #import <UIKit/UIKit.h>
2
3 @interface UIBarButtonItem (Extension)
4 + (UIBarButtonItem *)itemWithImageName:(NSString *)imageName highImageName:(NSString *)highImageName target:(id)target action:(SEL)action;
5 @end
1 #import "UIBarButtonItem+Extension.h"
2 #import "UIView+Extension.h"
3
4 @implementation UIBarButtonItem (Extension)
5 + (UIBarButtonItem *)itemWithImageName:(NSString *)imageName highImageName:(NSString *)highImageName target:(id)target action:(SEL)action
6 {
7 UIButton *button = [[UIButton alloc] init];
8 [button setBackgroundImage:[UIImage imageNamed:imageName] forState:UIControlStateNormal];
9 [button setBackgroundImage:[UIImage imageNamed:highImageName] forState:UIControlStateHighlighted];
10
11 // 设置按钮的尺寸为背景图片的尺寸
12 button.size = button.currentBackgroundImage.size;
13
14 // 监听按钮点击
15 [button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
16 return [[UIBarButtonItem alloc] initWithCustomView:button];
17 }
18 @end
1 #import <UIKit/UIKit.h>
2
3 @interface KKNavController : UINavigationController
4
5 @end
1 #import "KKNavController.h"
2 #import "UIBarButtonItem+Extension.m"
3
4 @interface KKNavController ()
5
6 @end
7
8 @implementation KKNavController
9
10 /**
11 * 当第一次使用这个类的时候调用1次
12 */
13 + (void)initialize
14 {
15 // 设置UINavigationBarTheme的主
16 [self setupNavigationBarTheme];
17
18 // 设置UIBarButtonItem的主题
19 [self setupBarButtonItemTheme];
20 }
21
22 /**
23 * 设置UINavigationBarTheme的主题
24 */
25 + (void)setupNavigationBarTheme
26 {
27 UINavigationBar *appearance = [UINavigationBar appearance];
28
29 // 设置导航栏背景
30 // if (!iOS7) {
31 // [appearance setBackgroundImage:[UIImage imageWithName:@"navigationbar_background"] forBarMetrics:UIBarMetricsDefault];
32 // }
33
34 // 设置文字属性
35 NSMutableDictionary *textAttrs = [NSMutableDictionary dictionary];
36 textAttrs[UITextAttributeTextColor] = [UIColor blackColor];
37 // UITextAttributeFont --> NSFontAttributeName(iOS7)
38 #warning 过期 : 并不代表不能用, 仅仅是有最新的方案可以取代它
39 textAttrs[UITextAttributeFont] = [UIFont systemFontOfSize:25];
40 // UIOffsetZero是结构体, 只要包装成NSValue对象, 才能放进字典\数组中
41 textAttrs[UITextAttributeTextShadowOffset] = [NSValue valueWithUIOffset:UIOffsetZero];
42 [appearance setTitleTextAttributes:textAttrs];
43 }
44
45 /**
46 * 设置UIBarButtonItem的主题
47 */
48 + (void)setupBarButtonItemTheme
49 {
50 // 通过appearance对象能修改整个项目中所有UIBarButtonItem的样式
51 UIBarButtonItem *appearance = [UIBarButtonItem appearance];
52
53 /**设置文字属性**/
54 // 设置普通状态的文字属性
55 NSMutableDictionary *textAttrs = [NSMutableDictionary dictionary];
56 textAttrs[UITextAttributeTextColor] = [UIColor orangeColor];
57 textAttrs[UITextAttributeFont] = [UIFont systemFontOfSize:15];
58 textAttrs[UITextAttributeTextShadowOffset] = [NSValue valueWithUIOffset:UIOffsetZero];
59 [appearance setTitleTextAttributes:textAttrs forState:UIControlStateNormal];
60
61 // 设置高亮状态的文字属性
62 NSMutableDictionary *highTextAttrs = [NSMutableDictionary dictionaryWithDictionary:textAttrs];
63 highTextAttrs[UITextAttributeTextColor] = [UIColor redColor];
64 [appearance setTitleTextAttributes:highTextAttrs forState:UIControlStateHighlighted];
65
66 // 设置不可用状态(disable)的文字属性
67 NSMutableDictionary *disableTextAttrs = [NSMutableDictionary dictionaryWithDictionary:textAttrs];
68 disableTextAttrs[UITextAttributeTextColor] = [UIColor lightGrayColor];
69 [appearance setTitleTextAttributes:disableTextAttrs forState:UIControlStateDisabled];
70
71 /**设置背景**/
72 // 技巧: 为了让某个按钮的背景消失, 可以设置一张完全透明的背景图片
73 // [appearance setBackgroundImage:[UIImage imageWithName:@"navigationbar_button_background"] forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];
74 }
75
76 /**
77 * 能拦截所有push进来的子控制器
78 */
79 - (void)pushViewController:(UIViewController *)viewController animated:(BOOL)animated
80 {
81 if (self.viewControllers.count > 0) { // 如果现在push的不是栈底控制器(最先push进来的那个控制器)
82 viewController.hidesBottomBarWhenPushed = YES;
83
84 // 设置导航栏按钮
85 viewController.navigationItem.leftBarButtonItem = [UIBarButtonItem itemWithImageName:@"navigationbar_back" highImageName:@"navigationbar_back_highlighted" target:self action:@selector(back)];
86 viewController.navigationItem.rightBarButtonItem = [UIBarButtonItem itemWithImageName:@"navigationbar_more" highImageName:@"navigationbar_more_highlighted" target:self action:@selector(more)];
87 }
88 [super pushViewController:viewController animated:animated];
89 }
90
91 - (void)back
92 {
93 #warning 这里用的是self, 因为self就是当前正在使用的导航控制器
94 [self popViewControllerAnimated:YES];
95 }
96
97 - (void)more
98 {
99 [self popToRootViewControllerAnimated:YES];
100 }
101
102
103 - (void)viewDidLoad {
104 [super viewDidLoad];
105 // Do any additional setup after loading the view.
106 }
107
108 - (void)didReceiveMemoryWarning {
109 [super didReceiveMemoryWarning];
110 // Dispose of any resources that can be recreated.
111 }
112
113 /*
114 #pragma mark - Navigation
115
116 // In a storyboard-based application, you will often want to do a little preparation before navigation
117 - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
118 // Get the new view controller using [segue destinationViewController].
119 // Pass the selected object to the new view controller.
120 }
121 */
122
123 @end
