         totalLabel             = UILabel()
         slider                 = UISlider()
         nextButton             = UIButton()
+        playButton             = UIButton()
         previousButton         = UIButton()
         playerView             = PlayerView()
 

    }

    let paddingSide        = 15.0
    let paddingBottom      = 30.0
    let paddingBottomTime  = 5.0
    let controlPanelHeight = 80

    var controlPanel:        UIView!
    var slider:              UISlider!
    var previousButton:      UIButton!
    var nextButton:          UIButton!
    var currentLabel:        UILabel!
    var totalLabel:          UILabel!

        controlPanel.addSubview(totalLabel)
        controlPanel.addSubview(slider)
        controlPanel.addSubview(nextButton)
        controlPanel.addSubview(playButton)
        controlPanel.addSubview(previousButton)
        controlPanel.snp_makeConstraints { make in
            make.left.equalTo(self.view.snp_left)
