UINavigationController与UITabBarController相关问题

时间：2014-05-30 07:16:22 阅读：391 评论：0 收藏：0 [点我收藏+]

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UINavigationController与UITabBarController混用是非常常见的,有时候会遇到UINavigationController推出(push)出controller后隐藏UITabBarController的问题,很容易对吧.

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源码如下:

//
//  AppDelegate.m
//  NavigationController
//
//  Copyright (c) 2014年 Y.X. All rights reserved.
//

#import "AppDelegate.h"
#import "RootViewController.h"

#define CreateNavigationControllerWith(controller) \
[[UINavigationController alloc] initWithRootViewController:controller]

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];

    // 初始化导航栏控制器
    UINavigationController *newProductNC  =         CreateNavigationControllerWith([RootViewController new]);
    
    // 初始化TabBarController
    UITabBarController *rootBC = [[UITabBarController alloc] init];
    rootBC.viewControllers = @[newProductNC];
    
    // 交给系统管理
    self.window.rootViewController = rootBC;
    
    self.window.backgroundColor = [UIColor whiteColor];
    [self.window makeKeyAndVisible];
    return YES;
}

@end

//
//  RootViewController.m
//  NavigationController
//
//  Copyright (c) 2014年 Y.X. All rights reserved.
//

#import "RootViewController.h"
#import "SecondViewController.h"

@interface RootViewController ()

@end

@implementation RootViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self)
    {
        self.title = @"YouXianMing";
    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    
    // 设定背景色
    self.view.backgroundColor = [UIColor whiteColor];

    // 点击手势
    UITapGestureRecognizer *tapGesture =         [[UITapGestureRecognizer alloc] initWithTarget:self
                                                action:@selector(tapEvent:)];
    
    // 添加手势
    [self.view addGestureRecognizer:tapGesture];
}

- (void)tapEvent:(UIGestureRecognizer *)sender
{
    [self.navigationController pushViewController:[SecondViewController new]
                                         animated:YES];
}

@end

//
//  SecondViewController.m
//  NavigationController
//
//  Copyright (c) 2014年 Y.X. All rights reserved.
//

#import "SecondViewController.h"

@interface SecondViewController ()

@end

@implementation SecondViewController

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self)
    {

    }
    return self;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    self.view.backgroundColor = [UIColor whiteColor];
}

@end