• tabBar 选中默认蓝色 ,取消选中(自定义)


    - (void)viewDidLoad {

        [super viewDidLoad];

    //    [self _initSubViewControllers];

    //    [self _customTabBar];

        

    //    [self.navigationItem setRightBarButtonItem:UIBarStyleDefault];

    //    self.SerBar=[[UISearchBar alloc]initWithFrame:CGRectMake(self.view.frame.size.width-150, 20, 120, 40)];

        

        //    [self.SerBar setPlaceholder:@"search"];

    //    [self.SerBar setPrompt:@"搜索"];//顶部提示文本,title

    //    [self.SerBar setBarStyle:UIBarStyleBlackTranslucent];//搜索框样式

    //    [self.SerBar setTintColor:[UIColor whiteColor]];

        

    //    [self.SerBar setShowsBookmarkButton:NO];

        

    //    [self.SerBar setTranslucent:YES];//透明

    //    [self.view addSubview:self.SerBar];

    ////    方法二

        NSMutableDictionary *attrs=[NSMutableDictionary dictionary];

        //设置字体大小

        attrs[NSFontAttributeName]=[UIFont systemFontOfSize:13];

        

        //设置字体颜色

        attrs[NSForegroundColorAttributeName]=[UIColor colorWithRed:0.4 green:0.4 blue:0.6 alpha:1];

        

        //初始化一个字典

        NSMutableDictionary *Selectedattrs=[NSMutableDictionary dictionary];

        //设置字体大小

        Selectedattrs[NSFontAttributeName]=attrs[NSFontAttributeName];

        //设置字体颜色

        Selectedattrs[NSForegroundColorAttributeName]=[UIColor colorWithRed:0.3 green:0.5 blue:0.6 alpha:1];

        UITabBarItem *item=  [UITabBarItem appearance];

        

        [item setTitleTextAttributes:attrs forState:UIControlStateNormal];

        [item setTitleTextAttributes:Selectedattrs forState:UIControlStateSelected];

        //添加子控制器

        

        [self setupchidVc:[HomeViewController new] title:@"主页" image:@"-1.png" selectedimage:@"T1"];

        

        [self setupchidVc:[DSDieQuoteViewController new] title:@"模报" image:@"-2.png" selectedimage:@"T2"];

        

        [self setupchidVc:[WXViewController new]  title:@"校谈" image:@"-3.png" selectedimage:@"T3"];

        

        

    }

    //-(void)_customTabBar{

    //    

    //    for (UIView *subView in self.tabBar.subviews) {

    //        //        移除

    //        [subView removeFromSuperview];

    //    }

    //    底部图片

    //    [self.tabBar setBackgroundImage:[UIImage imageNamed:@"1.111png"]];

    //    //    创建背景选中的图片

    //    _selectV = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 42, 42)];

    ////    按钮图片

    //    _selectV.image = [UIImage imageNamed:@"selectTabbar_bg_all.png"];

    //    

    //    [self.tabBar addSubview:_selectV];

        // 创建标签栏按钮

        //    获取所有按钮的图片

    //    NSArray *imageNames = @[@"-1.png",@"-2.png",@"-3.png"];

    //    NSArray *titles = @[@"主页",@"模报",@"校谈"];

        // 创建按钮

    //    float button_width = self.view.frame.size.width / imageNames.count;

    //    for (int i = 0; i < imageNames.count; i++) {

    //        // 创建按钮

    //        DSTabBarItem *item = [[DSTabBarItem alloc] initWithFrame:CGRectMake(i * button_width, 0, button_width, 49)];

    //        // 设置tag

    //        item.tag = i;

    //        // 设置标题

    //        item.titleName = titles[i];

    //        // 设置图片

    //        item.imageName = imageNames[i];

    //        // 添加事件

    //        [item addTarget:self action:@selector(itemAction:) forControlEvents:UIControlEventTouchUpInside];

    //        

    //        [self.tabBar addSubview:item];

            // 如果当前创建的是第一个按钮

    //        if (i == 0) {

    //            _selectV.center = item.center;

    //        }

        

            

    //    }

    //}

    -(void)setupchidVc:(UIViewController *)vc title:(NSString *)title image:(NSString *)image  selectedimage:(NSString *)selectedimage

    {

        vc.tabBarItem.title=title;

        vc.tabBarItem.image=[UIImage imageNamed:image];

        vc.tabBarItem.selectedImage=[UIImage imageNamed:selectedimage];

        [self addChildViewController:vc];

        

        //取消选中时的背景色

        vc.tabBarItem.selectedImage = [vc.tabBarItem.selectedImage imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];

    }

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  • 原文地址:https://www.cnblogs.com/wujie123/p/5511132.html
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