WKWebView 真是处处有惊喜 - V2EX
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xi_lin
V2EX    iDev

WKWebView 真是处处有惊喜

  •  
  •   xi_lin Jun 28, 2017 5985 views
    This topic created in 3228 days ago, the information mentioned may be changed or developed.
    iOS8 上的各种残废就不说了
    继承它以后只加了个空的- (void)scrollViewDidScroll:(UIScrollView *)scrollView 监听,不执行任何方法,也会导致滑动时肉眼可见的加载白屏
    Supplement 1    Jun 29, 2017
    今天找来一个 iOS 8.0 真机,发现加载本地文件连 tmp 目录的文件都显示不出来,真是原地爆炸。。。
    9 replies    2017-09-06 17:02:29 +08:00
    hzm0318hzm
        1
    hzm0318hzm  
       Jun 28, 2017
    加到 CollectionView 上也会引发白屏,要不是占内存小都不太想用他
    Deffi
        2
    Deffi  
       Jun 28, 2017
    你要知道,Safari 和 Chrome 也会出现白屏
    HuangLibo
        3
    HuangLibo  
       Jun 28, 2017
    微信应该已经全面迁移到 WKWebView 了
    xiangheka
        4
    xiangheka  
       Jun 28, 2017
    告诉你,wkwebview 最大的坑是 cookie,其他的慢慢改都可以
    kekex
        5
    kekex  
       Jun 28, 2017
    你们说的滑动白屏是指加载一个比较大的网页时 滑动少快 就出现白屏吗 有时图片还只加载一半

    现在也被这个问题困扰 用 wkwebview 作为 tableview 的 headerview 然后 wkwebview 加载过程中 动态改变 headerview 的高度 这时 wkwebview 就会出现白屏
    xi_lin
        6
    xi_lin  
    OP
       Jun 28, 2017
    @hzm0318hzm
    @kekex
    是的,可以强制刷新试试 看这篇 http://www.jianshu.com/p/1d739e2e7ed2
    xi_lin
        7
    xi_lin  
    OP
       Jun 28, 2017
    @xiangheka cookie 在发起请求请手动注入应该可以?

    iOS8 的各种载入限制也是蛋疼

    我觉得 NSURLProtocol 才是最无解的
    q409195961
        8
    q409195961  
       Jun 29, 2017
    @xi_lin NSURLProtocol 网上有不完美解决方法,但会导致 POST 请求参数丢失。JSContext 也无解,所以我们现在项目还在用 UIWebView (摊手)
    LFL
        9
    LFL  
       Sep 6, 2017
    @xiangheka iOS 10 后已经改进了不少
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