AppDelegate.swift

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?

    override init() {
        super.init()
        
        //Setup the SalesforceManager
        SalesforceManager.sharedInstance.setupSDKManager()
    }

    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        // Override point for customization after application launch.
        
        //Launch the salesforce SDK
        SalesforceManager.sharedInstance.launch()
        
        return true
    }
    
    //..
}