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@objc protocol Refreshable
{
/// The refresh control
var refreshControl: UIRefreshControl? { get set }
/// The table view
var tableView: UITableView! { get set }
/// the function to call when the user pulls down to refresh
@objc func handleRefresh(_ sender: Any);
}
extension Refreshable where Self: UIViewController
{
/// Install the refresh control on the table view
func installRefreshControl()
{
let refreshControl = UIRefreshControl()
refreshControl.tintColor = .primaryColor
refreshControl.addTarget(self, action: #selector(handleRefresh(_:)), for: .valueChanged)
self.refreshControl = refreshControl
if #available(iOS 10.0, *)
{
tableView.refreshControl = refreshControl
}
else
{
tableView.backgroundView = refreshControl
}
}
}
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