2番めのリンク先にある、Objective-Cのコードは、Swiftにこのように書き換えできます。 Objective-C -------- -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { for (UITouch *touch in touches) { [self.view.window.rootViewController performSegueWithIdentifier:@"presentSecond" sender:nil]; } } Swift --------- override func touchesBegan(touches: Set<NSObject>, withEvent event: UIEvent) { self.view.window?.rootViewController