The app interface will be forced to change when the device is horizontal.

[huyabin]

   override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        
        let appDelegate = UIApplication.shared.delegate as! AppDelegate
        appDelegate.isLandscape = true
        let value = UIInterfaceOrientation.landscapeRight.rawValue
        UIDevice.current.setValue(value, forKey: "orientation")

    }
    
    override func viewWillDisappear(_ animated: Bool) {
        super.viewWillDisappear(animated)
        let appDelegate = UIApplication.shared.delegate as! AppDelegate
        appDelegate.isLandscape = false
        
        let unknownValue = UIInterfaceOrientation.unknown.rawValue
        UIDevice.current.setValue(unknownValue, forKey: "orientation")
        
        let orientationTarget = UIInterfaceOrientation.portrait.rawValue
        UIDevice.current.setValue(orientationTarget, forKey: "orientation")
    }
    func cliek(){

Toast(text: "what happend? ???").show()


}

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