A powerful paging view with tab bar.





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Last Commit

10mos ago










## ⭐️ Features - [x] Support Swift 5. - [x] Super easy to implement page view controller with indicator bar. - [x] Simplistic, yet highly extensive customisation. - [x] Full support for custom components. - [x] Built on a powerful and informative page view controller. - [x] Header scrollable, if the width of buttons is larger than the width of the current view.

📋 Requirements

LZViewPager requires iOS 10, Swift 5

📲 Installation


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

pod 'LZViewPager', '~> 1.2.5'

And run pod install.

If your pod install doesn't work properly, maybe your pod repository needs to be updated. You can try

pod repo update

and then run

pod install


LZViewPager is also available through Carthage. Simply install carthage with Homebrew using the following command:

$ brew update
$ brew install carthage

Carthage dependency

Since this project depends on SnapKit(A Swift Autolayout DSL for iOS & OS X). You can add LZViewPager to your Cartfile like this:

github "SnapKit/SnapKit" ~> 5.0.0
github "ladmini/LZViewPager" ~> 1.2.5


If you prefer not to use either of the aforementioned dependency managers, you can integrate LZViewPager into your project manually. Just copy the following 3 files into your project.

1) LZViewPager.swift 2) LZViewPagerHeader.swift 3) LZViewPagerContent.swift

🚀 Usage

The Basics

1) Create a ViewController and provide a LZViewPagerDelegate, LZViewPagerDataSource

2) Drag a UIView into ViewVontroller's view and set it's type to LZViewPager, then set an outlet variable as "viewPager"

3) Set the items you want to display

4) Set the hostController to self

5) viewPager.reload()

class ViewController: BaseViewController, LZViewPagerDelegate, LZViewPagerDataSource {
    @IBOutlet weak var viewPager: LZViewPager!
    private var subControllers:[UIViewController] = []
    override func viewDidLoad() {
        viewPager.dataSource = self
        viewPager.delegate = self
        viewPager.hostController = self
        let vc1 = UIViewController.createFromNib(storyBoardId: "ContentViewController1")!
        vc1.title = "Title1"
        let vc2 = UIViewController.createFromNib(storyBoardId: "ContentViewController2")!
        vc2.title = "Title2"
        let vc3 = UIViewController.createFromNib(storyBoardId: "ContentViewController3")!
        vc3.title = "Title3"
        let vc4 = UIViewController.createFromNib(storyBoardId: "ContentViewController4")!
        vc4.title = "Title4"
        subControllers = [vc1, vc2, vc3, vc4]

2) Implement LZViewPagerDataSource.

    func numberOfItems() -> Int {
        return self.subControllers.count
    func controller(at index: Int) -> UIViewController {
        return subControllers[index]
    func button(at index: Int) -> UIButton {
        //Customize your button styles here
        let button = UIButton()
        button.setTitleColor(UIColor.black, for: .normal)
        button.titleLabel?.font = UIFont.systemFont(ofSize: 16)
        return button

3) All done! 🎉


You can customize you button styles in datasource method "func button(at index: Int) -> UIButton" you can also customize other styles by implementing other datasource methods example:

func heightForHeader() -> CGFloat
func backgroundColorForHeader() -> UIColor
func heightForIndicator(at index: Int) -> CGFloat
func colorForIndicator(at index: Int) -> UIColor
func shouldShowIndicator() -> Bool
func widthForButton(at index: Int) -> CGFloat
func widthForIndicator(at index: Int) -> CGFloat
func buttonsAligment() -> ButtonsAlignment
func shouldEnableSwipeable() -> Bool
func leftMarginForHeader() -> CGFloat //default is 0
func rightMarginForHeader() -> CGFloat //default is 0
func shouldShowSeparator() -> Bool // default is false
func colorForSeparator()-> UIColor // default is .white
func heightForSeparator() -> CGFloat // default is 2.0
func leftMarginForSeparator() -> CGFloat //default is 0
func rightMarginForSeparator() -> CGFloat //default is 0
func topMarginForSeparator() -> CGFloat //default is 0


Implementing delegate methods if needed

func didSelectButton(at index: Int)
func willTransition(to index: Int)
func didTransition(to index: Int)

Instance methods for LZViewPager

When your datasource changed you should call reload() method to refresh. If you want to locating to some page programming you can call select(index: Int, animated: Bool) method, It is important to note that animated is an optional parameter in order to be compatible with the previous versions. If you do not specify animated, it is true by default.

func reload()
public func select(index: Int, animated: Bool = true)

Instance property for LZViewPager

public var currentIndex: Int?

How to run this demo

1) Clone this repository 2) Execute carthage update 3) Build and Run

⚠️ Troubleshooting

If you are encountering issues with LZViewPager, please raise an issue.

👨🏻‍💻 About

❤️ Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/ladmini/LZViewPager.

👮🏻‍♂️ License

The library is available as open source under the terms of the MIT License.

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