Swift 3.0 - how to hide status bar after calling UIImagePickerController?

Question

Happy New Year!

I want to hide status bar after calling UIImagePickerController on iOS 10.2. You know there are already several questions about it with some answers,

Answer 1

The status bar can be hidden and show when presenting view controller UIImagePickerController swift 4+

picker.dismiss(animated: true, completion: {
    if let statusBar = UIApplication.shared.value(forKey: "statusBar") as? UIView {
        statusBar.isHidden =  true
    }
})

picker.dismiss(animated: true, completion: {
    if let statusBar = UIApplication.shared.value(forKey: "statusBar") as? UIView {
        statusBar.isHidden =  false
    }
})