在iOS中将Peek和Pop与Popover相结合
在iOS中是否可以将偷看和弹出与Popor结合起来 我想在支持3D触摸的iPhone上使用peek和pop,同时在iPad上使用popover 当我尝试在故事板中组合它时,我得到错误“无法编译连接”在iOS中将Peek和Pop与Popover相结合,ios,storyboard,Ios,Storyboard,在iOS中是否可以将偷看和弹出与Popor结合起来 我想在支持3D触摸的iPhone上使用peek和pop,同时在iPad上使用popover 当我尝试在故事板中组合它时,我得到错误“无法编译连接” 我自己找到了答案 问题是,PopOver的锚点指向动态创建的原型单元,因此系统不确定哪个单元是锚点 因此,解决方案如下: 将弹出窗口的定位点设置为表格视图 从故事板序列中删除peek&pop功能,因为我们需要在代码中执行此操作 转到您的UITableViewDataSource(在我的例子中,它是视
我自己找到了答案 问题是,PopOver的锚点指向动态创建的原型单元,因此系统不确定哪个单元是锚点 因此,解决方案如下:
UITableViewDataSource
(在我的例子中,它是视图控制器),并使用单元格作为源视图将以下内容添加到您的cellForRowAt()
:func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCell(withIdentifier: "myCellIdentifier", for: indexPath) as! MyTableViewCell
let item = items[indexPath.row]
// Pass the item here...
registerForPreviewing(with: self, sourceView: cell) // <== Add this
return cell
}
extension ListeningVC: UIViewControllerPreviewingDelegate {
func previewingContext(_ previewingContext: UIViewControllerPreviewing, viewControllerForLocation location: CGPoint) -> UIViewController? {
guard let indexPath = tableView.indexPathForRow(at: location) else {
return nil
}
// get the item you want to pass using the index path
let item = items[indexPath.row]
// get the destination view controller
let destination = UIStoryboard(name: "...", bundle: nil).instantiateInitialViewController()
// Pass the item here...
return destination // return the destination view controller
}
func previewingContext(_ previewingContext: UIViewControllerPreviewing, commit viewControllerToCommit: UIViewController) {
// either present the view controller or add it to your navigation controller here
present(viewControllerToCommit, animated: true)
}
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
switch segue.identifier {
case "mySegueIdentifier":
guard let cell = sender as? MyTableViewCell else { return }
guard let indexPath = tableView.indexPath(for: cell) else { return }
let item = items[indexPath.row]
let destination = segue.destination
// Pass the item here...
if let popOver = segue.destination.popoverPresentationController {
// set the cell as source view
let origin = CGPoint(x: 100, y: cell.frame.origin.y)
let size = CGSize(width: 200, height: cell.frame.height)
popOver.sourceView = tableView
popOver.sourceRect = CGRect(origin: origin, size: size)
}
default:
break
}
}