视图转场动画与动画封装

自定义视图切换动画

需要先了解下面的效果对应的代码
宏(系统里面直接可以调用的)
kCATransitionFade 交叉淡化过渡
kCATransitionMoveIn 新视图移到旧视图上面
kCATransitionPush 新视图把旧视图推出去
kCATransitionReveal 将旧视图移开,显示下面的新视图

字符串(也是系统的,但是是字符串,要加“”使用)
pageCurl 向上翻一页
pageUnCurl 向下翻一页
rippleEffect 滴水效果
suckEffect 收缩效果,如一块布被抽走
cube 立方体效果
oglFlip 上下翻转效果
cameraIrisHollowOpen
cameraIrisHollowClose

动画方向
kCATransitionFromRight;
kCATransitionFromLeft(默认值)
kCATransitionFromTop;
kCATransitionFromBottom

转场动画类代码

import UIKit

public enum TransitionType:String{
    ///交叉淡化过度
    case Fade = "fade"
    ///新视图移到就是图上边
    case MoveIn = "moveIn"
    ///新视图把旧视图推出去
    case Push = "push"
    ///将旧视图移开,显示下面的新视图
    case Reveal = "reveal"
    ///向上翻一页 
    case PageCurl = "pageCurl"
    ///向下翻一页
    case PageUnCurl = "pageUnCurl"
    ///滴水效果
    case RippleEffect = "rippleEffect"
    ///收缩效果,如一块布被抽走
    case SuckEffect = "suckEffect"
    ///立方体效果
    case Cube = "cube"
    ///上下翻转效果
    case OglFlip = "oglFlip"
    
}

public enum TransitionDirection:String{
    ///从右边
    case FromRight = "fromRight"
    ///从左边
    case FromLeft = "fromLeft"
    ///从上边
    case FromTop = "fromTop"
    ///从下边
    case FromBottom = "fromBottom"
}

extension UIView{
    /**
     添加转场动画
     - parameter durection:动画时间
     - parameter type:动画类型
     - parameter direction:动画方向
     */
    public func addTransitionAnimation(durection:Double,type: TransitionType,direction: TransitionDirection){
        //创建动画对象
        let animation = CATransition()
        //设置动画时间
        animation.duration = durection
        //设置动画类型
        animation.type = type.rawValue
        //设置动画方向
        animation.subtype = direction.rawValue
        //添加动画
        self.window?.layer.addAnimation(animation, forKey: nil)
    }
}

应用

  • 创建window
import UIKit

@UIApplicationMain
class AppDelegate: UIResponder, UIApplicationDelegate {

    var window: UIWindow?
    func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
        
        self.window  = UIWindow(frame: UIScreen.mainScreen().bounds)
        let root = FirstViewController()
        window?.rootViewController = root
        
        return true
    }
}
  • 创建第一个视图控制器
import UIKit

class FirstViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        self.view.backgroundColor = UIColor.greenColor()
        let btn = UIButton(frame: CGRectMake(100,100,100,50))
        btn.setTitle("下一页", forState: .Normal)
        self.view.addSubview(btn)
        btn.addTarget(self, action: "btnAction", forControlEvents: .TouchUpInside)
        // Do any additional setup after loading the view.
    }

}
extension FirstViewController{
    
    func btnAction(){
        
        //添加转场动画(不使用封装好的方法)
/*
        //a.创建转场动画对象
        let animation = CATransition()
        //b.设置动画转场时间
        animation.duration = 2
        //c.设置动画类型
        //"rippleEffect", kCATransitionFade, kCATransitionMoveIn......
        animation.type = "rippleEffect"
        //d.设置动画方向
        animation.subtype = kCATransitionFromRight
        //e.添加动画
        //可以通过任何已经显示在界面上的视图去拿到当前应用程序window(主窗口)
        self.view.window?.layer.addAnimation(animation, forKey: nil)
*/
        //使用自己封装的方法
        self.view.addTransitionAnimation(0.2, type: TransitionType.Push, direction: TransitionDirection.FromTop)
        
        let second = SecondViewController()
        presentViewController(second, animated: true, completion: nil)
    }
}
  • 创建需要跳转的第二个视图控制器
import UIKit

class SecondViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()

        self.view.backgroundColor = UIColor.orangeColor()
        let btn = UIButton(frame: CGRectMake(100,100,100,50))
        btn.setTitle("上一页", forState: .Normal)
        self.view.addSubview(btn)
        btn.addTarget(self, action: "btnAction", forControlEvents: .TouchUpInside)
    }
}

extension SecondViewController{
    func btnAction() {
        //返回上一页
        self.dismissViewControllerAnimated(true, completion: nil)
    }
}

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