autoLayout

[PlutusCat]

when i used snp layout llike ` func createTableview() -> Void { let changeCityTableView = ChangeCityTableView() self.view.addSubview(changeCityTableView) changeCityTableView.snp.makeConstraints { (make) in make.edges.equalToSuperview() }

    let tableViewWrapper = PullToBounceWrapper(scrollView: changeCityTableView)
    self.view.addSubview(tableViewWrapper)

    tableViewWrapper.didPullToRefresh = {
        Timer.schedule(delay: 2) { timer in
            tableViewWrapper.stopLoadingAnimation()
        }
    }
}

` a crash open assert(false, "Wow, scrollView.frame is CGRectZero. Please set frame size.")