问无法以名称：‘5JK-D5-ZKP-view-1 1nz 4p-isc’在包中加载NIB

EN

required init?(coder aDecoder: NSCoder) {
    //  Initialize fetcher
    fetcher = QuestionFetcher(delegate: self)

    //  Call the super.init method
    super.init(coder: aDecoder)

    //  Initialize the activity indicator for fetching questions
    activityIndicator = UIActivityIndicatorView(frame: CGRect(x: tableView.frame.size.width / 2.00, y: tableView.frame.size.height / 2.00, width: 20, height: 20))
    activityIndicator.hidesWhenStopped = true
    activityIndicator.hidden = true
}