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Shazam

(★ 94)

A pure-Swift library for nested display of horizontal and vertical scrolling views

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최종 버전 다운로드 (.zip)

- .gitattributes
- .gitignore
- Info.plist
- NSCache+Additional.swift
- Shazam.h
- ShazamChildViewController.swift
- ShazamContainView.swift
- ShazamHeaderView.swift
- ShazamPageViewController.swift
- ShazamTopView.swift
- UIScrollView+Additional.swift
- UIViewController+Additional.swift
- - Contents.json
- - LaunchScreen.storyboard
  - Main.storyboard
- AppDelegate.swift
- BatmanViewController.swift
- HeaderView.swift
- Info.plist
- PageViewController.swift
- SupermanViewController.swift
- ViewController.swift
- WonderWomanViewController.swift
- - contents.xcworkspacedata
- project.pbxproj
- - contents.xcworkspacedata
- project.pbxproj
- - IDEWorkspaceChecks.plist
- contents.xcworkspacedata
.gitignore
demo.gif
LICENSE
Podfile
Podfile.lock
README-CHINESE.md
README.md
Shazam.podspec

// repository documentation

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# Shazam

![License MIT](https://img.shields.io/dub/l/vibe-d.svg)
![Pod version](http://img.shields.io/cocoapods/v/Shazam.svg?style=flat)
![Platform info](http://img.shields.io/cocoapods/p/LCNetwork.svg?style=flat)
[![Support](https://img.shields.io/badge/support-iOS9.0+-blue.svg?style=flat)](https://www.apple.com/nl/ios/)
[![Swift 4.2](https://camo.githubusercontent.com/cc157628e33009bbb18f6e476955a0f641f407d9/68747470733a2f2f696d672e736869656c64732e696f2f62616467652f53776966742d342e322d6f72616e67652e7376673f7374796c653d666c6174)](https://developer.apple.com/swift/)

A pure-Swift library for nested display of horizontal and vertical scrolling views.

![demo](https://raw.githubusercontent.com/bawn/Shazam/master/demo.gif)

## Requirements

- iOS 9.0+ 
- Swift 4.2+
- Xcode 10+

## Installation

#### [CocoaPods](http://cocoapods.org/) (recommended)

```
use_frameworks!

pod 'Shazam'
```

## Usage

[中文文档](https://github.com/bawn/Shazam/blob/master/README-CHINESE.md)

First make sure to import the framework:

```
import Shazam
```

Basically, we just need to provide the list of child view controllers to show. Then call some necessary methods.

Let's see the steps to do this:

#### Create a ShazamPageViewController subclass

```swift
import Shazam

class PageViewController: ShazamPageViewController {
  // ...
}
```

#### Provide the view controllers that will appear embedded into the ShazamPageViewController

```swift
override func numberOfViewControllers(in pageController: ShazamPageViewController) -> Int {
    return count
}
    
override func pageController(_ pageController: ShazamPageViewController, viewControllerAt index: Int) -> (UIViewController & ShazamChildViewController) {
    // ...
    return viewController
}
    
```

Every UIViewController that will appear within the ShazamPageViewController should conform to `ShazamChildViewController` by implementing `func shazamChildScrollView() -> UIScrollView`

```swift
import Shazam
class ChildViewController: UIViewController, ShazamChildViewController {

@IBOutlet weak var tableView: UITableView!
    func shazamChildScrollView() -> UIScrollView {
        return tableView
    }
    // ...
}
```

**Note: The scrollview of ChildViewController must reserve the height of headerView + menuView at the top. For example, in BatmanViewController in Demo, you need to set the height of Header of collectionView.**

```swift
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize {
        guard let pageViewContoller = szPageViewContoller else {
            return .zero
        }
        let headerViewHeight = pageViewContoller.headerViewHeightFor(pageViewContoller)
        let menuViewHeight = pageViewContoller.menuViewHeightFor(pageViewContoller)
        return CGSize(width: collectionView.bounds.width, height: headerViewHeight + menuViewHeight)
    }
```

#### Provide the headerView and headerView height

```swift
override func headerViewFor(_ pageController: ShazamPageViewController) -> UIView & ShazamHeaderView {
    return HeaderView()
}

override func headerViewHeightFor(_ pageController: ShazamPageViewController) -> CGFloat {
    return headerViewHeight
}
```

The headerView should conform to `ShazamHeaderView` by implementing `func userInteractionViews() -> [UIView]?`

```swift
func userInteractionViews() -> [UIView]? {
    return [button]
}
```

#### Provide the menuView and menuView height

```swift
override func menuViewFor(_ pageController: ShazamPageViewController) -> UIView {
    return menuView
}

override func menuViewHeightFor(_ pageController: ShazamPageViewController) -> CGFloat {
    return menuViewHeight
}
```

#### Update menuView's layout when main scroll view did scroll and check state when did end scoll

```swift
override func pageController(_ pageController: ShazamPageViewController, mainScrollViewDidScroll scrollView: UIScrollView) {
    menuView.updateLayout(scrollView)
}

override func pageController(_ pageController: ShazamPageViewController,
                                 mainScrollViewDidEndScroll scrollView: UIScrollView) {
    menuView.checkState()
}
```

## Examples

Follow these 4 steps to run Example project:

1. Clone Shazam repository
2. Run the `pod install` command 
3. Open Shazam workspace 
4. Run the Shazam-Demo project.

### License

Shazam is released under the MIT license. See LICENSE for details.