This fade manager is a easy way to manage the uinavigationbar Support to change UIBarButtonItem and title color when scroll , the navigation can be clear color (change the alpha from 0 - 1) The UIBarButtonItem only support UIBarButtonItem.image and UIBarButtonItem's customView is UIButton (image and backgroundimage) 。 The fullColor shoulde be set. Not detech the image color because it's maybe wrong

To run the example project, clone the repo, and run pod install from the Example directory first.

self.fadeManager = KYNavigationFadeManager(viewController: self, scollView: self.tableView, zeroColor: UIColor.white, fullColor: UIColor.red)
self.fadeManager.allowTitleHidden = shouldeHiddenTitle
self.fadeManager.zeroAlphaOffset  = 0
self.fadeManager.fullAlphaOffset  = 200

 open override func viewWillAppear(_ animated: Bool) {
   super.viewWillAppear(animated)
   self.fadeManager.viewWillAppear(animated)
   self.fixNavigationBarCorruption() 
}

open override func viewWillDisappear(_ animated: Bool) {
   self.fadeManager.viewWillDisappear(animated)
   super .viewWillDisappear(animated)
 }

KYNavigationFadeManager is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod "KYNavigationFadeManager"

kyleYang, yangzychina@gmail.com

KYNavigationFadeManager is available under the MIT license. See the LICENSE file for more info.