UITabBarController

////  MainViewController.m//  AppUI组件学习////  Created by 麦子 on 15/6/19.//  Copyright (c) 2015年 麦子. All rights reserved.//#import "MainViewController.h"#import "MyNavigationViewController.h"#import "TableViewController.h"#import "DataViewController.h"#import "NetWorkViewController.h"#import "RootViewController.h"#import "MyDemoUIViewController.h"#import "NavigationDemoRootViewController.h"@interface MainViewController (){        RootViewController *root;    MyNavigationViewController *uiView;    TableViewController *tableView ;    NetWorkViewController *netWorkView;    DataViewController *dataView;    NSUserDefaults *userMessage;    MyDemoUIViewController *demoUI;    NavigationDemoRootViewController *navigationDemo;    }@end/***   其中组件相互独立， 每一个的生命周期都是和TabBarViewController一致，没显示的也只是挂起状态，没有销毁。    */@implementation MainViewController- (void)viewDidLoad {    userMessage = [NSUserDefaults standardUserDefaults];    [super viewDidLoad];    [self creatView];    [self updateTabBarUiView];    [self deleteStu];//    self.tabBar.hidden = true;//隐藏tabBar，自定义TabBar    [self createMyTabBar];}- (void)creatView{    root = [[RootViewController alloc] init];    navigationDemo = [[NavigationDemoRootViewController alloc] init];        uiView = [[MyNavigationViewController alloc] initWithRootViewController:navigationDemo];    //    uiView = [[MyNavigationViewController alloc] initWithRootViewController:root];        demoUI = [[MyDemoUIViewController alloc] init];        tableView = [[TableViewController alloc] init];    dataView = [[DataViewController alloc] init];    netWorkView = [[NetWorkViewController alloc] init];        // 自动创建TabBarItem,如果是用系统的，那么其他的都是没有效果的。    UITabBarItem *item = [[UITabBarItem alloc] initWithTabBarSystemItem:UITabBarSystemItemHistory tag:200];        tableView.tabBarItem = item;    demoUI.tabBarItem.title = @"demoUI";        [netWorkView.tabBarItem initWithTitle:@"网络" image:[UIImage imageNamed:@"tupian5.jpg"] selectedImage:[UIImage imageNamed:@"tupian4.jpg"]];                              NSArray *array = [NSArray arrayWithObjects:uiView,demoUI,tableView,dataView,netWorkView,nil];    self.viewControllers = array;    // moreNavigationController 不会在 viewControlers中，他是单独来处理的。//    self.moreNavigationController        // 设置选中第几个        long index = [userMessage integerForKey:@"index"];    self.selectedIndex = index;        [self tabbarCallMethods];        }// tabBarItem常用属性- (void)updateTabBarUiView{    uiView.tabBarItem.title = @"UI组件";    uiView.tabBarItem.badgeValue = @"10";    uiView.tabBarItem.titlePositionAdjustment =  UIOffsetMake(0, -10);    tableView.tabBarItem.title = @"表视图";    dataView.tabBarItem.title = @"数据";}/***tabBar常用属性*/- (void)tabbarCallMethods{    /**      items,selectedItem 属性是由tabController来管理的，不能对他进行外部的付值，               *///    self.tabBar.items = [NSArray arrayWithObjects:tableView.tabBarItem, nil];//    self.tabBar.selectedItem = tableView.tabBarItem;            self.tabBar.backgroundColor = [UIColor yellowColor];//    self.tabBar.backgroundImage = [UIImage imageNamed:@"tupian3.jpg"];    // 改变选中图片的色调//    self.tabBar.selectionIndicatorImage = [UIImage imageNamed:@"tupian3.jpg"];    // 改变选中图片的色调    self.tabBar.tintColor = [UIColor blueColor];}/**自定义TabBar*/- (void)createMyTabBar{       }/**     常用代理 **/- (void)deleteStu{    self.delegate = self;}#pragma mark---#pragma mark  delegate/**   是否允许点击Item， YES表示可以点击， NO表示不可以点击  */- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:(UIViewController *)viewController{//    if (viewController.tabBarItem.tag == 200) {//        return NO;//    }    return YES;}/***    每次点击都会触发 */- (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController{            NSArray *array = tabBarController.viewControllers;    int  index = 0;    for (int i = 0; i < [array count]; i++) {        if (viewController == [array objectAtIndex:i]) {            index = i;            break;        }    }    [userMessage setObject:[NSNumber numberWithInt:index] forKey:@"index"];    [userMessage synchronize];  //    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"警告" message:@"Item被点击了" delegate:self cancelButtonTitle:@"是" otherButtonTitles:@"否", nil];//    [alert show];}/***   点击更多里面的编辑按钮的时候调用 */- (void)tabBarController:(UITabBarController *)tabBarController willBeginCustomizingViewControllers:(NSArray *)viewControllers{    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"警告" message:@"修改按钮被点击了" delegate:self cancelButtonTitle:@"是" otherButtonTitles:@"否", nil];    [alert show];    NSLog(@"%@",viewControllers);// 所有的ViewController}/***   点击完成后，调用,  viewControllers 这个事最新的排练方式  */- (void)tabBarController:(UITabBarController *)tabBarController didEndCustomizingViewControllers:(NSArray *)viewControllers changed:(BOOL)changed{    UIAlertView *alert = nil;    if (changed) {         alert = [[UIAlertView alloc] initWithTitle:@"警告" message:@"顺序被修改了" delegate:self cancelButtonTitle:@"是" otherButtonTitles:@"否", nil];    }else{         alert = [[UIAlertView alloc] initWithTitle:@"警告" message:@"没有任何操作了" delegate:self cancelButtonTitle:@"是" otherButtonTitles:@"否", nil];        }    [alert show];}- (void)didReceiveMemoryWarning {    [super didReceiveMemoryWarning];    }@end