Swift 无操作时自动登出

main.swift中代码：

import Foundation
import UIKit

UIApplicationMain(
    CommandLine.argc,
    UnsafeMutableRawPointer(CommandLine.unsafeArgv)
        .bindMemory(
            to: UnsafeMutablePointer<Int8>.self,
            capacity: Int(CommandLine.argc)),
    NSStringFromClass(MyApplication.self),
    NSStringFromClass(AppDelegate.self)
)

UIApplication.swift
import Foundation
import UIKit

@objc(MyApplication)

class MyApplication: UIApplication {

    override init(){
        super.init();

        if(_timer == nil){
            _timer = Timer.scheduledTimer(
                timeInterval: TimeInterval(_idleSecondsTriggerLogout), target: self, selector: #selector(MyApplication.dosomething), userInfo: nil, repeats: true)
        }
    }

    let _idleSecondsTriggerLogout:Int = 8 * 60; // 8 mins, same with android
    var _timer:Timer? = nil;

    override func sendEvent(_ event: UIEvent) {

        // Ignore .Motion and .RemoteControl event simply everything else then .Touches
        if event.type != .touches {
            super.sendEvent(event)
            return
        }

        // .Touches only
        var restartTimer = true
        if let touches = event.allTouches {
            // At least one touch in progress? Do not restart timer, just invalidate it
            for touch in touches.enumerated() {
                if touch.element.phase != .cancelled && touch.element.phase != .ended {
                    restartTimer = false
                    break
                }
            }
        }

        if restartTimer {
            // Touches ended || cancelled, restart timer
            resetTimer()
        } else {
            // Touches in progress - !ended, !cancelled, just invalidate it
            //print("Touches in progress. Invalidate timer")
        }

        super.sendEvent(event)
    }

    func resetTimer() {
        _timer?.invalidate()
        _timer = Timer.scheduledTimer(
            timeInterval: TimeInterval(_idleSecondsTriggerLogout), target: self, selector: #selector(MyApplication.dosomething), userInfo: nil, repeats: true)
    }
    func dosomething(){
        print("time up, logout and clear session 1");
        ServiceProxy.HttpMeta.RefreshToken = "";
        ServiceProxy.HttpMeta.Token = "";
        ServiceProxy.HttpMeta.UserName = "";
        print("time up, logout and clear session 2");

        let topVC = topViewController()

        print("time up, logout and clear session 3");
        let storyBoard : UIStoryboard = UIStoryboard(name: "Main", bundle:nil)
        print("time up, logout and clear session 4");
        let nextViewController = storyBoard.instantiateViewController(withIdentifier: "LoginVC") as! LoginVC
        print("time up, logout and clear session 5");
        topVC?.present(nextViewController, animated:true, completion:nil)
        print("time up, logout and clear session 6");
    }

    func topViewController(controller: UIViewController? = UIApplication.shared.keyWindow?.rootViewController) -> UIViewController? {
        if let navigationController = controller as? UINavigationController {
            return topViewController(controller: navigationController.visibleViewController)
        }
        if let tabController = controller as? UITabBarController {
            if let selected = tabController.selectedViewController {
                return topViewController(controller: selected)
            }
        }
        if let presented = controller?.presentedViewController {
            return topViewController(controller: presented)
        }
        return controller
    }

}

AppDelegate.swift中代码（注释掉UIApplicationMain）

//@UIApplicationMain

info.plist中代码：

    <key>Principal class</key>
    <string>MyApplication</string>