https://github.com/zhiquan911/chparallaxheaderview

使用Swfit扩展为UIView添加随UIScrollView滚动产生视差效果
https://github.com/zhiquan911/chparallaxheaderview

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使用Swfit扩展为UIView添加随UIScrollView滚动产生视差效果

• Host: GitHub
• URL: https://github.com/zhiquan911/chparallaxheaderview
• Owner: zhiquan911
• License: mit
• Created: 2016-10-18T09:51:39.000Z (about 8 years ago)
• Default Branch: master
• Last Pushed: 2017-01-18T03:08:31.000Z (almost 8 years ago)
• Last Synced: 2024-10-31T16:14:01.079Z (12 days ago)
• Language: Swift
• Size: 3.74 MB
• Stars: 12
• Watchers: 1
• Forks: 3
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# CHParallaxHeaderView

[![CI Status](http://img.shields.io/travis/麦志泉/CHParallaxHeaderView.svg?style=flat)](https://travis-ci.org/麦志泉/CHParallaxHeaderView)

[![Version](https://img.shields.io/cocoapods/v/CHParallaxHeaderView.svg?style=flat)](http://cocoapods.org/pods/CHParallaxHeaderView)

[![License](https://img.shields.io/cocoapods/l/CHParallaxHeaderView.svg?style=flat)](http://cocoapods.org/pods/CHParallaxHeaderView)

[![Platform](https://img.shields.io/cocoapods/p/CHParallaxHeaderView.svg?style=flat)](http://cocoapods.org/pods/CHParallaxHeaderView)

![demo.gif](https://github.com/zhiquan911/CHParallaxHeaderView/blob/master/demo.gif)

## Features

- 使用Swift扩展特性编写，调用简单

- UIView扩展支持视差缩放效果

- UINavigationBar扩展支持视差渐变效果

## Requirements

- iOS 8+

- Xcode 8+

- Swift 3.0+

- iPhone/iPad

## Installation

CHParallaxHeaderView is available through [CocoaPods](http://cocoapods.org). To install

it, simply add the following line to your Podfile:

```ruby

pod "CHParallaxHeaderView"

```

## Example

```swift

    

    @IBOutlet var tableView: UITableView!

    @IBOutlet var imageViewHeader: UIView!

    //在view出现时添加特性

    override func viewWillAppear(_ animated: Bool) {

        super.viewWillAppear(animated)

        let color = UIColor(white: 1, alpha: 1)

        //添加渐变效果并跟踪着哪个View

        self.navigationController?.navigationBar.ch_addGradient(by: self.tableView,

                                                                barColor: color)

        

        //添加缩放视差效果并跟踪着哪个View

        self.imageViewHeader.ch_addParallax(by: self.tableView)

    }

    //在view消失时移除特性

    override func viewWillDisappear(_ animated: Bool) {

        super.viewWillDisappear(animated)

        

        //当控制器是消失时，把绑定的跟踪移除

        self.navigationController?.navigationBar.ch_removeGradient()

        self.imageViewHeader.ch_removeParallax()

    }

```

## Author

Chance, [email protected]

## Donations

为了让开发者更积极分享技术，开源程序代码，我们发起数字货币捐助计划，捐款只接收以下货币。

- **BTC Address**:  3G4NdQQyCJK1RS5URb4h5KogWEyR4Mk16A

## License

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