很多应用,比如微信,在 UITabBarItem 右上角有一个小红点,注意(不是带数字的小红圈),这个有什么简便的实现方式不 - V2EX
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V2EX    iDev

很多应用,比如微信,在 UITabBarItem 右上角有一个小红点,注意(不是带数字的小红圈),这个有什么简便的实现方式不

  •  
  •   xuming 2014-07-12 17:08:02 +08:00 13373 次点击
    这是一个创建于 4118 天前的主题,其中的信息可能已经有所发展或是发生改变。
    就是一个小圆点
    9 条回复    2014-07-16 10:58:47 +08:00
    xuan_lengyue
        1
    xuan_lengyue  
       2014-07-12 20:18:53 +08:00
    给 TabBar 加 subview 即可,很简单。
    fangzhzh
        2
    fangzhzh  
       2014-07-12 20:36:00 +08:00
    加个imageiew?
    hoogle
        3
    hoogle  
       2014-07-12 20:56:35 +08:00 via iPhone
    badge = @""
    hoogle
        4
    hoogle  
       2014-07-12 20:59:34 +08:00 via iPhone
    自定义大小、形状、颜色的话可以考虑AddSubview到bar或者生成一个带点的barItem image
    xuming
        5
    xuming  
    OP
       2014-07-13 08:11:50 +08:00 via iPhone
    badge 生成的太大,生成带点的图片不通用,看来AddSubview比较可行
    79bxh9b
        6
    79bxh9b  
       2014-07-13 23:12:39 +08:00
    UITabBarItem不属于uiview吧,能加subview?
    dopcn
        7
    dopcn  
       2014-07-15 16:00:36 +08:00
    UITabBarItem 在 UITabBar 上,加在 bar 上吧
    skingtree
        8
    skingtree  
       2014-07-16 10:56:12 +08:00
    badgeValue
    Text that is displayed in the upper-right corner of the item with a surrounding red oval.

    @property(nonatomic, copy) NSString *badgeValue

    -- UITabBarItem
    skingtree
        9
    skingtree  
       2014-07-16 10:58:47 +08:00
    要不自己加个uiview,setBackgroundColor,再设置一下layer.cornerRadius
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