我想实现 UISearchController,一步一步使用本教程:
使用 MKLocalSearchRequest 搜索地点并使用 UISearchController 显示结果
而在本节...
...我对第 3 步有疑问。设置表视图数据源
extension LocationSearchTable {
override func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return matchingItems.count
}
override func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("cell")!
let selectedItem = matchingItems[indexPath.row].placemark
cell.textLabel?.text = selectedItem.name
cell.detailTextLabel?.text = ""
return cell
}
}
我正在尝试override
从cellForRowAtindexPath
tableView 函数中删除,在这种情况下,我在 Xcode 中没有错误,但执行后出现错误:
Terminating app due to uncaught exception 'NSInternalInconsistencyException',
reason: 'UITableView (<UITableView: 0x7ff8e03a3800; frame = (0 0; 375 667); clipsToBounds = YES; autoresize = W+H;
gestureRecognizers = <NSArray: 0x604002046450>; layer = <CALayer: 0x604001626620>;
contentOffset: {0, -56}; contentSize: {375, 132};adjustedContentInset: {56, 0, 0, 0}>)
failed to obtain a cell from its dataSource(<CityWeather.LocationSearchTable: 0x7ff8de696e60>)'
错误消息大喊:failed to obtain a cell from its dataSource(<CityWeather.LocationSearchTable: 0x7ff8de696e60>)
请告诉我,我做错了什么?我该如何处理这个问题?谢谢。