使用 Swfit 扩展为 UIView 添加随 UIScrollView 滚动产生视差效果1. 使用 Swift 扩展特

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. To install it, simply add the following line to your Podfile:

pod "CHParallaxHeaderView"

Example

    @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, zhiquan911@qq.com

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License

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