session-ios/Signal/src/ViewControllers/Utils/NeverClearView.swift

//
//  Copyright (c) 2018 Open Whisper Systems. All rights reserved.
//

@objc class NeverClearView: UIView {
    override var backgroundColor: UIColor? {
        didSet {
            if backgroundColor?.cgColor.alpha == 0 {
                backgroundColor = oldValue
            }
        }
    }
}