关于 xib 一个奇怪的想法 - V2EX
lynulzy
V2EX    iOS

关于 xib 一个奇怪的想法

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  •   lynulzy Apr 13, 2015 3057 views
    This topic created in 4052 days ago, the information mentioned may be changed or developed.

    在一个页面中需要有两种布局样式,而二者差别不大,因而考虑在一个xib中画出两个view,读取到数组中根据页面类型重写viewcontroller的初始化方法并使用xib中的view为其参数,将带过来的view加到viewcontroller的view中。

    这样做的好处:
    1. 只需要读取一次nib,减少I/O时间
    2. xib的好处(简单,高效)

    不足:
    1. 实际上还是画了两次view,虽然可以复制第一个view的内容到第二个view中
    2. 假设两个view的内容多对内存压力大,两个view都会加载在内存中比不上手写代码布局UI

    不知坛子里的朋友怎么处理这种xib中的两个(多个)view的情况?

    自从用了xib,人都变懒了、、、

    6 replies    2015-04-14 13:02:32 +08:00
    walkingway
        1
    walkingway  
       Apr 13, 2015
    仅仅是布局样式不同,难道不是从 Autolayout 入手
    lynulzy
        2
    lynulzy  
    OP
       Apr 13, 2015
    @walkingway 一个上面多了几个控件
    babyname
        3
    babyname  
       Apr 13, 2015 via iPhone
    @lynulzy 难道不是hidden=true
    SeanChense
        4
    SeanChense  
       Apr 13, 2015
    lynulzy
        5
    lynulzy  
    OP
       Apr 13, 2015
    @babyname hidden似乎能解决我的问题,thanks
    @SeanChense size classes这玩意儿是做横屏竖屏的吧,不知道怎么用啊,得学习一下
    lynulzy
        6
    lynulzy  
    OP
       Apr 14, 2015
    @SeanChense 改变了convas的宽高以后可以更新constraints吗?
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