UINavigationController, UITabBarController

UITabBarController

通用

AppDelegate.m

    self.window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]];    self.window.backgroundColor = [UIColor whiteColor];    [self.window makeKeyAndVisible];    [_window release];    ViewController *vc = [[ViewController alloc] init];    UINavigationController *naVC = [[UINavigationController alloc] initWithRootViewController:vc];    // 创建 TabBar 按钮的样式    naVC.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemContacts tag:1000];    SecondViewController *secVC = [[SecondViewController alloc] init];    UINavigationController *secNAVC = [[UINavigationController alloc] initWithRootViewController:secVC];    secNAVC.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"shop" image:[UIImage imageNamed:@"1.png"] selectedImage:[UIImage imageNamed:@"2.png"]];    // 创建 tabBarController    UITabBarController *tab = [[UITabBarController alloc] init];    tab.viewControllers = @[naVC, secNAVC, ...];    // 给 window 设置根视图控制器    self.window.rootViewController = tab;    // 编程的时候, 设置默认的出现页面,不用每次都从第0个开始    tab.selectedIndex = 3;    tab.delegate = self;    [tab release];    [naVC release];    [vc release];

property

naVC.tabBarItem.badgeValue 小红点的内容, 无小红点时为 nil
naVC.tabBarItem 创建 tabBar 按钮的样式
eg.

naVC.tabBarItem = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemContacts tag:1000];或者naVC.tabBarItem = [[UITabBarItem alloc] initWithTitle:@"shop" image:[UIImage imageNamed:@"1.png"] selectedImage:[UIImage imageNamed:@"2.png"]];

UITabBarController的外观设置
tabBar.translucent 透明
tabBar.barTintColor 背景颜色
tabBar.tintColor 图标被选中时颜色
selectedIndex 默认出现的页面编号

protocol

-(void) tabBarController: (UITabBarController * )tabBarController didSelectViewController:(UIViewController * )viewController

UINavigationController

通用

AppDelegate.m

#import "ViewController.h"    self.window = [[UIWindow alloc] initWithFrame: [[UIScreen mainScreen] bounds]];    [self.window makeKeyAndVisible];    [_window release];    ViewController *vc = [[ViewController alloc] init];    // 创建导航视图控制器    UINavigationController *naVC = [[UINavigationController alloc] initWithRootViewController:vc];    // 把导航视图控制器设置成window的视图控制器    self.window.rootViewController = naVC;    [naVC release];    [vc release];    return YES;}- (void)dealloc{    [_window release];    [super dealloc];}

设置外观

    self.navigationItem.title = @"导航栏标题";

property

• navigationController.navigationBar.translucent 影响坐标系的起点：默认 半透明YES(0, 0), 不透明NO(0, 64)
• navigationController.navigationBar.barTintColor 背景颜色
• navigationItem.title 标题
• navigationItem.titleView 标题可以用视图代替
• navigationItem.leftBarButtonItem(s) 创建左右两边的按钮(们)
• navigationItem.rightBarButtonItem

    // 创建系统自带的按钮    self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemCancel target:self action:@selector(barAction:)] autorelease];// 模态跳转 view往secondView跳转- (void) buttonAction:(UIButton *) button {    SecondViewController *loginVC = [[SecondViewController alloc] init];    [secVC setModalTransitionStyle: UIModalTransitionStyleCrossDissolve];    [self presentViewController: secVC animated:YES completion:^{    }];}    // 按钮用自定义的图片，图片颜色固定是蓝色    self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"1.png"] style:UIBarButtonItemStylePlain target:self action:@selector(commentAction:)];    // 用自定义视图创建按钮，让图片编程原来的颜色    UIButton *myButton = [UIButton buttonWithType:UIButtonTypeCustom];    [myButton setImage:[UIImage imageNamed:@"1.png"] forState:UIControlStateNormal];    myButton.frame = CGRectMake(0, 0, 40, 40);    self.navigationItem.leftBarButtonItem = [[[UIBarButtonItem alloc] initWithCustomView: button] autorelease];