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我的外部屏幕上已经显示了标签，但我想添加一个宽度为 500 像素、高度为 50 像素的蓝色矩形。

添加这个的代码是什么？

这是我用于标签的代码。

var secondWindow: UIWindow!
var secondScreenView: UIView!

@objc func setupScreen(){
    if UIScreen.screens.count > 1{
        let secondScreen = UIScreen.screens[1]

        secondWindow = UIWindow(frame: secondScreen.bounds)

        let viewController = UIViewController()
        secondWindow!.rootViewController = viewController

        secondWindow!.screen = secondScreen

        secondScreenView = UIView(frame: secondWindow!.frame)

        secondWindow!.addSubview(secondScreenView)

        secondWindow!.isHidden = false

        // CUSTOMISE VIEW
        secondScreenView.backgroundColor = UIColor.white

        // BATTING TEAM NAME - EXTERNAL
        battingTeamNameLabel.font = UIFont(name: "Arial-BoldMT", size: 80.0)
        battingTeamNameLabel.textColor = UIColor.blue
        battingTeamNameLabel.frame.origin = CGPoint(x:50, y:10)
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