SFStaticNavigationBarController

Description

SFStaticNavigationBarController is a custom UINavigationController with a static navigation bar.

• A custom navigation bar with 3 possible states and an indicator for these states
• Transitions from left and from right based on what position you are in and where are you navigating to

Requirements

• iOS 9.0+
• Swift 3.2
• Currently only supports Portrait Orientations

Installation

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

pod 'SFStaticNavigationBarController'

Usage

Initializing

let staticNavBarController = StaticNavigationBarController(centerViewController: myCenterViewController)

Setting View Controllers and Nav Bar Items

staticNavBarController.leftViewController = SomeOtherCenterViewController()
staticNavBarController.leftViewController = MyLeftViewController()
staticNavBarController.rightViewController = MyRightViewController()

staticNavBarController.leftBarButtonItem = SomeUIBarButtonItem()
staticNavBarController.rightBarButtonItem = SomeUIBarButtonItem()
staticNavBarController.centerItem = SomeUIView()

Accessing the Nav Controller

You can access this navigation controller as you normally would using myViewController.navigationController. Also, available to all view controllers is:

var staticNavigationBarController: StaticNavigationBarController?

Navigation Functions

SFStaticNavigationBarController has the same navigation functions has a regular UINavigationController. For clarity, func popToRootViewController(animated: Bool) -> [UIViewController]? pops to centerViewController.

Transition Animations

Currently, custom view controller transition animations are not supported. The default transition animations are "natural" depending on what the active position is. Push and pop transitions are also "natural." Accessible variables pertaining to transition animations are:

var shouldAnimateTransitions: Bool // default is true
var shouldAnimateAcrossCenter: Bool // default is true
var transitionDuration: TimeInterval // default is 0.3s

Navigation Bar Slider

You can customize the slider in the navigation bar using someStaticNavBarController.staticNavigationBar.slider. Below are the available variables to adjust.

var leftMargin: CGFloat // default: 8.0
var leftSize: CGSize: // default: CGSize(width: 35.0, height: 2)
var centerSize: CGSize // default: CGSize(width: 35.0, height: 2)
var rightMargin: CGFloat // default: 8.0
var rightSize: CGSize // default: CGSize(width: 35.0, height: 2)
var color: UIColor // default: .darkGray

Example

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

TODO

• improve README
• Write Tests
• Animation for navigation bar color changes
• Different slider animations
• More customization to slider

Author

crystalSETH, sethfolley@gmail.com

License

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