- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {

    self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];

    MainController *mainVc = [[MainController alloc]init];

    // 设置根控制器

    self.window.rootViewController = mainVc;

    // 设置为主控制器并可见

    [self.window makeKeyAndVisible];

    return YES;

}

    // 设置Nav背景色

    self.navigationBackgroundColor =  [UIColor colorWithRed:arc4random_uniform ()/255.0 green:arc4random_uniform()/255.0 blue:arc4random_uniform()/255.0 alpha:1.0];

    self.childControllerAndIconArr = @[

     /************第一个控制器配置信息*********************/

      @{

        VC_VIEWCONTROLLER : [[OneController alloc]init],  //控制器对象

        NORMAL_ICON : @"icon_classTable",             //正常状态的Icon 名称

        SELECTED_ICON : @"icon_classTable_selected",  //选中状态的Icon 名称

        TITLE : @"表"                                 //Nav和Tab的标题

        },

     /************第二个控制器配置信息*********************/

      @{

        VC_VIEWCONTROLLER : [[TwoController alloc]init],

        NORMAL_ICON : @"icon_me",

        SELECTED_ICON : @"icon_me_selected",

        TITLE : @"通讯录"

        },

      @{

       /*

        如果在此处使用storyboard,需要给storyboard设置storyboardID

        storyboardID 与 VC_STORYBOARD的value 同名 此处为Three

             */

          VC_STORYBOARD :@"Three",

          NORMAL_ICON : @"icon_discover",

          SELECTED_ICON : @"icon_discover_selected",

          TITLE : @"发现"

         },

    ];