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vvebotableviewdemo's Issues

性能很不错,不过有个小问题

下拉刷新数据的时候,同样的数据,但是会出现重绘的闪烁感
不管怎么样第一次都会出现闪烁感,异步自绘cell的问题

Xcode9 warn!

Main Thread Checker: UI API called on a background thread: -[UIView frame]
在Xcode9中,系统会针对在非主线程操作UIKit里面控件属性提示warning。这个虽然不影响使用,但是出现warning,总归是要解决咯?你怎么看大哥。

iOS 11上滑动结束后cell空白

iOS 11上滑动超过8个cell距离,在tableview停止滑动后会出现cell空白的问题。

定位到问题出在-scrollViewWillEndDragging: withVelocity: targetContentOffset:
系统给出targetContentOffset,按照目前的逻辑会只加载滑动停止的目的cell的前或后3个cell,滑动过程中的cell不会渲染,但iOS 11上并没有滑动到指定的cell中途就停止了

log日志如下:

2018-05-08 15:11:44.273980+0800 VVeboTableViewDemo[3063:806070] 滑动终点目标:54,offset.y:6622.000000
2018-05-08 15:11:44.274088+0800 VVeboTableViewDemo[3063:806070] 当前可视目标:13,offset.y:3802.500000
2018-05-08 15:11:44.274177+0800 VVeboTableViewDemo[3063:806070] ------将会渲染第54、55、56列视图外Cell------
2018-05-08 15:11:44.286352+0800 VVeboTableViewDemo[3063:806070] ------将要load第17列Cell------
2018-05-08 15:11:44.286434+0800 VVeboTableViewDemo[3063:806070] -[VVeboTableViewCell clear]
2018-05-08 15:11:44.286726+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.336619+0800 VVeboTableViewDemo[3063:806070] ------将要load第18列Cell------
2018-05-08 15:11:44.336722+0800 VVeboTableViewDemo[3063:806070] -[VVeboTableViewCell clear]
2018-05-08 15:11:44.337161+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.387073+0800 VVeboTableViewDemo[3063:806070] ------将要load第19列Cell------
2018-05-08 15:11:44.387205+0800 VVeboTableViewDemo[3063:806070] -[VVeboTableViewCell clear]
2018-05-08 15:11:44.387836+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.388766+0800 VVeboTableViewDemo[3063:806070] ------将要load第20列Cell------
2018-05-08 15:11:44.388829+0800 VVeboTableViewDemo[3063:806070] -[VVeboTableViewCell clear]
2018-05-08 15:11:44.389313+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.486760+0800 VVeboTableViewDemo[3063:806070] ------将要load第20列Cell------
2018-05-08 15:11:44.487159+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.620111+0800 VVeboTableViewDemo[3063:806070] ------将要load第21列Cell------
2018-05-08 15:11:44.620500+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.720069+0800 VVeboTableViewDemo[3063:806070] ------将要load第22列Cell------
2018-05-08 15:11:44.720482+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:44.886727+0800 VVeboTableViewDemo[3063:806070] ------将要load第23列Cell------
2018-05-08 15:11:44.886858+0800 VVeboTableViewDemo[3063:806070] -[VVeboTableViewCell clear]
2018-05-08 15:11:44.887444+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:45.086542+0800 VVeboTableViewDemo[3063:806070] ------将要load第24列Cell------
2018-05-08 15:11:45.086885+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:45.353420+0800 VVeboTableViewDemo[3063:806070] ------将要load第25列Cell------
2018-05-08 15:11:45.353823+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:46.236671+0800 VVeboTableViewDemo[3063:806070] ------将要load第26列Cell------
2018-05-08 15:11:46.236987+0800 VVeboTableViewDemo[3063:806070] ----当前列不是滑动停止视图列----
2018-05-08 15:11:47.437588+0800 VVeboTableViewDemo[3063:806070] -[VVeboTableView scrollViewDidEndDecelerating:]
2018-05-08 15:11:47.438409+0800 VVeboTableViewDemo[3063:806070] 当前可视cell:(
    "<NSIndexPath: 0xc000000002e00016> {length = 2, path = 0 - 23}",
    "<NSIndexPath: 0xc000000003000016> {length = 2, path = 0 - 24}",
    "<NSIndexPath: 0xc000000003200016> {length = 2, path = 0 - 25}",
    "<NSIndexPath: 0xc000000003400016> {length = 2, path = 0 - 26}"
)

内存泄漏

运行的时候终端会有内存泄漏的打印,在View-VVeboLabel-setText:方法中。

你好,请问下关于刷新的问题,

上拉刷新的时候,调用reloaddata,会使最后几个可见的cell也刷新,这样,tableview会“闪一下”,但是看您的vvebo中并没有这个现象,所以想请问你一个,你是怎么处理刷新的问题。 不盛感激。

你好,问下关于异步线程的问题。

使用了您的vvebo觉得真的特流畅,这才是iphone,其他的app真用处了安卓的感觉。。然后,看了您的代码,大致了解了原理,但是我也按照异步的原理,用的依然是原始的tableview的用法,不过,把cell赋值model的操作用了异步来完成,但是,结果缺不行,我的数据是加载完成的,但是,数据却并不能想你的一样马上显示出来,不知道为什么,您可以帮我解释下嘛》?

部分 代码

  • (void)setModel:(BuildModel *)model{

    _model = model;
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
    CGFloat width;
    [_houseImgView setBackgroundColor:[UIColor backgroundColor]];
    [_houseImgView sd_setImageWithURL:kURLFromString(_model.path) placeholderImage:_houseImgView.image completed:^(UIImage *image, NSError *error, SDImageCacheType cacheType, NSURL *imageURL) {
    if (image.size.width) {

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