gistfile1.txt

#define kClassKey   @"rootVCClassString"
#define kTitleKey   @"title"
#define kImgKey     @"imageName"
#define kSelImgKey  @"selectedImageName"


- (void)viewDidLoad {
    [super viewDidLoad];

    self.edgesForExtendedLayout = UIRectEdgeNone;

    NSArray *childItemsArray = @[
                                 @{kClassKey  : @"ConversationListController",
                                   kTitleKey  : @"聊天",
                                   kImgKey    : @"聊天未选中",
                                   kSelImgKey : @"聊天选中"},
                                 
                                 @{kClassKey  : @"ContactListViewController",
                                   kTitleKey  : @"通讯录",
                                   kImgKey    : @"通讯录未选中",
                                   kSelImgKey : @"通讯录选中"},

#if 0// 是否显示游戏
                                 @{kClassKey  : @"BSGameVC",
                                   kTitleKey  : @"游戏",
                                   kImgKey    : @"游戏未选中",
                                   kSelImgKey : @"游戏选中"},
#else
                                 @{kClassKey  : @"BSFriendQuanVC",
                                   kTitleKey  : @"朋友圈",
                                   kImgKey    : @"朋友圈未选中",
                                   kSelImgKey : @"朋友圈选中"},
                                 
#endif
                                 @{kClassKey  : @"BSMineTVC",
                                   kTitleKey  : @"我的",
                                   kImgKey    : @"我的未选中",
                                   kSelImgKey : @"我的选中"} ];
    
    [childItemsArray enumerateObjectsUsingBlock:^(NSDictionary *dict, NSUInteger idx, BOOL *stop) {
        UIViewController *vc = [NSClassFromString(dict[kClassKey]) new];
        if (idx == 0) {
            vc = [[ConversationListController alloc] initWithStyle:UITableViewStylePlain];
        }
        vc.title = dict[kTitleKey];
        vc.tabBarItem.title = vc.title;

        BSNavigationController *nav = [[BSNavigationController alloc] initWithRootViewController:vc];
        UITabBarItem *item = nav.tabBarItem;
        item.title = dict[kTitleKey];
        item.image = [UIImage imageNamed:dict[kImgKey]];
        item.selectedImage = [[UIImage imageNamed:dict[kSelImgKey]] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
        [item setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor mainColor]} forState:UIControlStateSelected];
//        [item setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor blackColor]} forState:UIControlStateNormal];
        [self addChildViewController:nav];
        
    }];
    self.selectedIndex = 0;

}