iOS 多个 tab 页 demo

简介

在日常的开发中，App 中多个功能模块常常表现为多个 tab 页的形式，利用 tab 页，可以使得 App 的功能模块非常清晰，同时又非常有利于团队的协作开发。本文记录了这样一个 demo 的示例代码。

代码

/** * the codes support iOS 7.0 and later iOS version. * */ - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];    UITabBarController *tabBarController = [[UITabBarController alloc] init];    UIImage *unselecteImage = [[UIImage imageNamed:@"01"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];//采用图片的原始格式，系统不对图片进行处理    UIImage *selectedImage = [[UIImage imageNamed:@"02"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];    ViewController *vc1 = [[ViewController alloc] init];    vc1.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"微信" image:unselecteImage selectedImage:selectedImage];    //...    ViewControllerTwo *vc2 = [[ViewControllerTwo alloc] init];    vc2.title = @"通讯录";    //设置选中和未选中的图片...    ViewControllerThree *vc3 = [[ViewControllerThree alloc] init];    vc3.title = @"发现";    //...    ViewControllerFour *vc4 = [[ViewControllerFour alloc] init];    vc4.title = @"我";    //...    NSArray *viewControllers = [NSArray arrayWithObjects:vc1, vc2, vc3, vc4, nil];    tabBarController.viewControllers = viewControllers;    UINavigationController *nc = [[UINavigationController alloc] initWithRootViewController:tabBarController];    self.window.rootViewController = nc;    [self.window setTintColor:[UIColor greenColor]];    [self.window makeKeyAndVisible];    return YES;}

demo 截图