1 #import "AppDelegate.h"
2 #import "FrisrtViewController.h"
3 #import "SecondViewController.h"
4 #import "ThirdViewController.h"
5 #import "FourthViewController.h"
6 #import "FivethViewController.h"
7 #import "SixthViewController.h"
8 @interface AppDelegate ()<UITabBarControllerDelegate>
9
10 @end
11
12 @implementation AppDelegate
13
14
15 - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
16 // Override point for customization after application launch.
17 self.window = [[UIWindow alloc] initWithFrame:[UIScreen mainScreen].bounds];
18 self.window.backgroundColor = [UIColor whiteColor];
19 [self.window makeKeyAndVisible];
20
21 //第一步:创建需要管理的视图对象
22 //创建三个视图对象
23 FrisrtViewController *firstVC = [[FrisrtViewController alloc] init];
24 SecondViewController *secondVC = [[SecondViewController alloc] init];
25 ThirdViewController *thirdVC = [[ThirdViewController alloc] init];
26 FourthViewController *fourthVC = [[FourthViewController alloc] init];
27 FivethViewController *fivethVC = [[FivethViewController alloc] init];
28 SixthViewController *sixthVC = [[SixthViewController alloc] init];
29
30 #pragma mark - 导航控制器
31 //创建导航控制器,控制第二个视图控制器
32 // UINavigationController *naVC = [[UINavigationController alloc] initWithRootViewController:secondVC];
33 //naVC.navigationBar.barTintColor = [UIColor magentaColor];
34
35 //设置tabBar的title
36 firstVC.tabBarItem.title = @"first";
37 secondVC.tabBarItem.title = @"second";
38 thirdVC.tabBarItem.title = @"third";
39 fourthVC.tabBarItem.title = @"fourth";
40 fivethVC.tabBarItem.title = @"fiveth";
41 sixthVC.tabBarItem.title = @"sixth";
42 //设置tabBar的样式
43 //参数1:是一个枚举值,系统的tabBar的样式,参数2:标记点击按钮的tag值
44 firstVC.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemSearch tag:100];
45
46 //设置tabBar的样式采取自定义外观
47 //未选中状态下的图片
48 UIImage *imageUnSelected = [UIImage imageNamed:@"carGary.png"];
49 //图片需要保持原有图片的状态
50 imageUnSelected = [imageUnSelected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
51 //选中状态下的图片设置
52 UIImage *imageSelected = [UIImage imageNamed:@"carRed.png"];
53 imageSelected = [imageSelected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
54
55 //设置tabBarItem的外观
56 //参数1:设置tabBarItem的title,参数2:设置原本的image 参数3:设置选中状态下的Image
57 secondVC.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"第二页" image:imageUnSelected selectedImage:imageSelected];
58
59
60 UIImage *thirdUnSelected = [UIImage imageNamed:@"findGray.png"];
61 thirdUnSelected = [thirdUnSelected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
62 UIImage *thirdSelected = [UIImage imageNamed:@"findRed.png"];
63 thirdSelected = [thirdSelected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
64 thirdVC.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"第三页" image:thirdUnSelected selectedImage:thirdSelected];
65
66
67 UIImage *firstUnSelectedimage = [UIImage imageNamed:@"userGray.png"];
68 firstUnSelectedimage = [firstUnSelectedimage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
69 UIImage *firstSelectedimage = [UIImage imageNamed:@"userRed.png"];
70 firstSelectedimage = [firstSelectedimage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
71 firstVC.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"第一页" image:firstUnSelectedimage selectedImage:firstSelectedimage];
72
73
74 UIImage *fourthUnSelectedimage = [UIImage imageNamed:@"planeGary.png"];
75 fourthUnSelectedimage = [fourthUnSelectedimage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
76 UIImage *fourthSelectedimage = [UIImage imageNamed:@"planeRed.png"];
77 fourthSelectedimage = [fourthSelectedimage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
78 fourthVC.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"第四页" image:fourthUnSelectedimage selectedImage:fourthSelectedimage];
79
80 fivethVC.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemDownloads tag:101];
81 sixthVC.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemHistory tag:102];
82 //UITabBar默认最多显示五个按钮,如果多与五个,最后一个会出现More的标志,点击进入时剩下的controller对象
83
84 //第二步:创建UITabBarController对象来管理各个视图
85 UITabBarController *tabBarVC = [[UITabBarController alloc] init];
86
87
88 //第三步:需要将被管理的视图控制器对象放在视图数组属性中
89
90 tabBarVC.viewControllers = @[firstVC ,secondVC,thirdVC,fourthVC,fivethVC,sixthVC];
91 //设置进入应用默认选中第几个
92 tabBarVC.selectedIndex = 2;
93
94 //
95 UINavigationController *naVC = [[UINavigationController alloc] initWithRootViewController:tabBarVC];
96
97
98 //第四步:将window的根视图控制器交给tabBarController进行管理
99 self.window.rootViewController = naVC;
100
101 #pragma mark - UITabBar属性的相关设置
102 //tintColor是tabBar上内容颜色的设置(选中状态的一个颜色)
103 tabBarVC.tabBar.tintColor = [UIColor blackColor];
104 //设置tabBar的背景颜色
105 tabBarVC.tabBar.barTintColor = [UIColor cyanColor];
106 //设置tabBar的透明度
107 tabBarVC.tabBar.translucent = YES;
108 #pragma mark - UITabBarItem的一些属性的相关设置
109
110 //设置未读消息数目
111 firstVC.tabBarItem.badgeValue = @"99";
112 secondVC.tabBarItem.badgeValue = @"未读";
113 thirdVC.tabBarItem.badgeValue = @"45";
114 fourthVC.tabBarItem.badgeValue = @"55";
115 fivethVC.tabBarItem.badgeValue = @"66";
116 sixthVC.tabBarItem.badgeValue = @"77";
117
118 #pragma mark - 代理
119
120 tabBarVC.delegate = self;
121
122 //NavigationBar的默认高度是44(竖屏),TabBar的默认高度是49
123
124 #pragma mark - UIAppearance设置外观,自iOS8之后才有的方法
125
126 //设置全局外观
127 //通过[UITabBar appearance]找到UITabBar,从而实现设置其外观
128 //注意了:如果使用appearance去设置相应控件的外观,应该在AppDelegate中进行设置
129 [[UITabBar appearance] setBarTintColor:[UIColor redColor]];
130 [[UITabBar appearance] setTintColor:[UIColor whiteColor]];
131
132 //设置导航栏
133
134 [[UINavigationBar appearance] setBarTintColor:[UIColor brownColor]];
135 [[UINavigationBar appearance] setTintColor:[UIColor lightGrayColor]];
136
137 //设置导航栏字体
138 [[UINavigationBar appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor magentaColor],NSForegroundColorAttributeName,[UIFont systemFontOfSize:18],NSFontAttributeName, nil]];
139
140
141
142 return YES;
143 }
144
145 #pragma mark - 代理方法
146 //当tabBar上面的每一个按钮被选中的时候,触发此方法
147 -(void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController
148 {
149 viewController.tabBarItem.badgeValue = nil;
150 //查看当前那个按钮被选中
151 NSLog(@"%@",[viewController class]);
152 }
