iOS Floating Video Window like Youtube App

Question

Does anyone know of any existing library, or any techniques on how to get the same effect as is found on the Youtube App.

The video can be \"minimised\" and hovers a

Answer 1

This is a swift 3 version for the answer @danh had provided earlier.

https://stackoverflow.com/a/24107949/1211470

import UIKit

class ViewController: UIViewController {
    @IBOutlet weak var tallMpContainer: UIView!
    @IBOutlet weak var mpContainer: UIView!

    var swipeDown: UISwipeGestureRecognizer?
    var swipeUp: UISwipeGestureRecognizer?

    override func viewDidLoad() {
        super.viewDidLoad()
        swipeDown = UISwipeGestureRecognizer(target: self, action: #selector(swipeDownAction))

        swipeUp = UISwipeGestureRecognizer(target: self, action: #selector(swipeUpAction))

        swipeDown?.direction = .down
        swipeUp?.direction = .up

        self.mpContainer.addGestureRecognizer(swipeDown!)
        self.mpContainer.addGestureRecognizer(swipeUp!)
    }

    @objc func swipeDownAction() {
        minimizeWindow(minimized: true, animated: true)
    }

    @objc func swipeUpAction() {
        minimizeWindow(minimized: false, animated: true)
    }

    func isMinimized() -> Bool {
        return CGFloat((self.tallMpContainer?.frame.origin.y)!) > CGFloat(20)
    }

    func minimizeWindow(minimized: Bool, animated: Bool) {
        if isMinimized() == minimized {
            return
        }

        var tallContainerFrame: CGRect
        var containerFrame: CGRect

        var tallContainerAlpha: CGFloat

        if minimized == true {

            let mpWidth: CGFloat = 160
            let mpHeight: CGFloat = 90

            let x: CGFloat = 320-mpWidth
            let y: CGFloat = self.view.bounds.size.height - mpHeight;

            tallContainerFrame = CGRect(x: x, y: y, width: 320, height: self.view.bounds.size.height)
            containerFrame = CGRect(x: x, y: y, width: mpWidth, height: mpHeight)
            tallContainerAlpha = 0.0

        } else {

            tallContainerFrame = self.view.bounds
            containerFrame = CGRect(x: 0, y: 0, width: 320, height: 180)
            tallContainerAlpha = 1.0

        }

        let duration: TimeInterval = (animated) ? 0.5 : 0.0
        UIView.animate(withDuration: duration, animations: {
            self.tallMpContainer.frame = tallContainerFrame
            self.mpContainer.frame = containerFrame
            self.tallMpContainer.alpha = tallContainerAlpha
        })
    }

}