//
//  UIApplicationExt.swift
//  ExtensionKit
//
//  Created by FFIB on 2017/9/14.
//  Copyright © 2017年 FFIB. All rights reserved.
//

import UIKit

extension UIApplication {
    public func runInBackground(_ excute: @escaping () -> Void, expirationHandler: (() -> Void)? = nil) {
        DispatchQueue.main.async {
            let taskID: UIBackgroundTaskIdentifier
            if let expirationHandler = expirationHandler {
                taskID = self.beginBackgroundTask(expirationHandler: expirationHandler)
            } else {
                taskID = self.beginBackgroundTask(expirationHandler: { })
            }
            excute()
            self.endBackgroundTask(taskID)
        }
    }
}