session-ios/SignalMessaging/Loki/Redesign/Utilities/UIViewController+Utilities.swift

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@objc(LKViewControllerUtilities)
public final class ViewControllerUtilities : NSObject {
private override init() { }
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@objc(setUpDefaultSessionStyleForVC:withTitle:customBackButton:)
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public static func setUpDefaultSessionStyle(for vc: UIViewController, title: String?, hasCustomBackButton: Bool) {
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// Set gradient background
vc.view.backgroundColor = .clear
let gradient = Gradients.defaultLokiBackground
vc.view.setGradient(gradient)
// Set navigation bar background color
if let navigationBar = vc.navigationController?.navigationBar {
navigationBar.setBackgroundImage(UIImage(), for: UIBarMetrics.default)
navigationBar.shadowImage = UIImage()
navigationBar.isTranslucent = false
navigationBar.barTintColor = Colors.navigationBarBackground
}
// Customize title
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if let title = title {
let titleLabel = UILabel()
titleLabel.text = title
titleLabel.textColor = Colors.text
titleLabel.font = .boldSystemFont(ofSize: Values.veryLargeFontSize)
vc.navigationItem.titleView = titleLabel
}
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// Set up back button
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if hasCustomBackButton {
let backButton = UIBarButtonItem(title: "Back", style: .plain, target: nil, action: nil)
backButton.tintColor = Colors.text
vc.navigationItem.backBarButtonItem = backButton
}
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}
}