//viewDidLoad
tableView.layoutMargins = UIEdgeInsetsZero
tableView.separatorInset = UIEdgeInsetsZero
//setup Cell
cell!.layoutMargins = UIEdgeInsetsZero
true, the scroll view delays handling the touch-down gesture until it can determine if scrolling is the intent. If the value is false , the scroll view immediately callstouchesShouldBegin:withEvent:inContentView:. The default value is true.