Day17- Tumblr动画效果

压缩厉害

最终效果,压缩厉害


1、UI布局

ViewController上面部分包括一个CollectionView,下面是一张背景图和一个Button

Day17- Tumblr动画效果_第1张图片
如图



第二个界面:拖入一个VisualEffectView,然后在里面添加Button和Label,完成如下图的布局


Day17- Tumblr动画效果_第2张图片




2、实现

实现原理,修改系统默认的动画弹出方式(设置代理,自己去实现代理方法),然后把要显示的ViewController中的控件做动画效果(分为左右两边,先移出到屏幕外,在使用动画效果进入屏幕)

在ViewController中创建数据源,设置代理,实现代理方法

//
//  ViewController.swift
//  PresentTumblrAnimator
//
//  Created by ios on 16/9/23.
//  Copyright © 2016年 ios. All rights reserved.
//

import UIKit

struct model {
    var icon = "animator1.jpg"
    var name = "default"
    var backImage = "animator1.jpg"
}

class ViewController: UIViewController ,UICollectionViewDelegate,UICollectionViewDataSource{
    @IBOutlet weak var collectionView: UICollectionView!

    let data = [
        model(icon: "Chat", name: "小明", backImage: "animator1.jpg"),
        model(icon: "Quote", name: "老王", backImage: "animator2.jpg"),
        model(icon: "Audio", name: "隔壁大叔", backImage: "animator3.jpg"),
        model(icon: "Link", name: "邻家淑女", backImage: "animator4.jpg")
    ]
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        collectionView.delegate = self
        collectionView.dataSource = self
        
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func preferredStatusBarStyle() -> UIStatusBarStyle {
        return .LightContent
    }
    
    @IBAction func unwindToMainViewController (sender: UIStoryboardSegue){
        self.dismissViewControllerAnimated(true, completion: nil)
    }
}

extension ViewController {
    func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int{
        return 10
    }
    func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell{
        let cell = collectionView.dequeueReusableCellWithReuseIdentifier("collCell", forIndexPath: indexPath) as! CollectionViewCell
        let model = data[indexPath.row % 4]
        
        cell.backImage.image = UIImage(named: model.backImage)
        cell.icon.image = UIImage(named:model.icon)
        cell.nameLabel.text = model.name
        
        return cell
    }
}


在第二个ViewController中依次把每个控件都拖入到Controller中,设置动画代理

//
//  MenuViewController.swift
//  PresentTumblrAnimator
//
//  Created by ios on 16/9/23.
//  Copyright © 2016年 ios. All rights reserved.
//

import UIKit

class MenuViewController: UIViewController {

    @IBOutlet weak var audioLab: UILabel!
    @IBOutlet weak var audioBtn: UIButton!
    
    @IBOutlet weak var charBtn: UIButton!
    @IBOutlet weak var chatLab: UILabel!
    
    @IBOutlet weak var photoBtn: UIButton!
    @IBOutlet weak var photoLab: UILabel!
    
    @IBOutlet weak var messageBtn: UIButton!
    @IBOutlet weak var messageLab: UILabel!
    
    @IBOutlet weak var textBtn: UIButton!
    @IBOutlet weak var textLab: UILabel!
    
    @IBOutlet weak var linkBtn: UIButton!
    @IBOutlet weak var linkLab: UILabel!
    
    @IBOutlet weak var visualView: UIVisualEffectView!
    
    private let animator = TumblrAnimator()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        transitioningDelegate =  animator
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    

}



创建一个类,用于实现动画效果

//
//  TumblrAnimator.swift
//  PresentTumblrAnimator
//
//  Created by ios on 16/9/23.
//  Copyright © 2016年 ios. All rights reserved.
//

import UIKit

class TumblrAnimator: NSObject,UIViewControllerTransitioningDelegate ,UIViewControllerAnimatedTransitioning{
    //用于判断是否是present
    var isPresent : Bool = true
    
    /**
     监听present
     
     - parameter presented:  <#presented description#>
     - parameter presenting: <#presenting description#>
     - parameter source:     <#source description#>
     
     - returns: <#return value description#>
     */
    func animationControllerForPresentedController(presented: UIViewController, presentingController presenting: UIViewController, sourceController source: UIViewController) -> UIViewControllerAnimatedTransitioning?{
        isPresent = true
        return self
    }
    
    /**
     监听dismiss
     
     - parameter dismissed: <#dismissed description#>
     
     - returns: <#return value description#>
     */
    func animationControllerForDismissedController(dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning?{
        isPresent = false
        return self
    }
    
    /**
     设置动画时长
     
     - parameter transitionContext: <#transitionContext description#>
     
     - returns: <#return value description#>
     */
    func transitionDuration(transitionContext: UIViewControllerContextTransitioning?) -> NSTimeInterval{
        return 0.75
    }
    
    /**
     设置动画present/dismiss效果
     
     - parameter transitionContext: <#transitionContext description#>
     */
    func animateTransition(transitionContext: UIViewControllerContextTransitioning){
        // 1、得到VC
        let screens : (from:UIViewController, to:UIViewController) = (transitionContext.viewControllerForKey(UITransitionContextFromViewControllerKey)!, transitionContext.viewControllerForKey(UITransitionContextToViewControllerKey)!)
        
        let menuViewController = !isPresent ? screens.from as! MenuViewController : screens.to as! MenuViewController
        let bottomViewController = !isPresent ? screens.to as UIViewController : screens.from as UIViewController
        
        
        // 2、得到View
        let toView = menuViewController.view
        let fromView = bottomViewController.view
        
        
        //判断是不是present,如果是,先把控件移到屏幕外
        if isPresent {
            closeVC(menuViewController)
        }
        
        
        // 3、获取容器
        let container = transitionContext.containerView()
        
        // 3.1、把内容添加到容器内
        container?.addSubview(fromView)
        container?.addSubview(toView!)
        
        // 4、执行动画
        UIView.animateWithDuration(transitionDuration(transitionContext), delay: 0, usingSpringWithDamping: 0.7, initialSpringVelocity: 0, options: [], animations: {
            if self.isPresent{
                self.showVC(menuViewController)
            }
            else{
                self.closeVC(menuViewController)
            }
            }) { (_) in
                transitionContext.completeTransition(true)
                UIApplication.sharedApplication().keyWindow!.insertSubview(fromView, atIndex: 0)
        }
    }
    
    //设置一开始的位置在屏幕外
    private func closeVC(controller : MenuViewController){
        controller.view.alpha = 0
        
        //left
        controller.audioBtn.transform = CGAffineTransformMakeTranslation(-300, 0)
        controller.audioLab.transform = controller.audioBtn.transform
        
        controller.photoBtn.transform = CGAffineTransformMakeTranslation(-150, 0)
        controller.photoLab.transform = controller.photoBtn.transform
        
        controller.textBtn.transform = CGAffineTransformMakeTranslation(-50, 0)
        controller.textLab.transform = controller.textBtn.transform
        
        
        //right
        controller.charBtn.transform = CGAffineTransformMakeTranslation(300, 0)
        controller.chatLab.transform = controller.charBtn.transform
        
        controller.messageBtn.transform = CGAffineTransformMakeTranslation(150, 0)
        controller.messageLab.transform = controller.messageBtn.transform
        
        controller.linkBtn.transform = CGAffineTransformMakeTranslation(50, 0)
        controller.linkLab.transform = controller.linkBtn.transform
    }
    
    //还原原始位置
    private func showVC(controller : MenuViewController){
        controller.view.alpha = 1
        
        //left
        controller.audioBtn.transform = CGAffineTransformIdentity
        controller.audioLab.transform = CGAffineTransformIdentity
        
        controller.photoBtn.transform = CGAffineTransformIdentity
        controller.photoLab.transform = CGAffineTransformIdentity
        
        controller.textBtn.transform = CGAffineTransformIdentity
        controller.textLab.transform = CGAffineTransformIdentity
        
        
        //right
        controller.charBtn.transform = CGAffineTransformIdentity
        controller.chatLab.transform = CGAffineTransformIdentity
        
        controller.messageBtn.transform = CGAffineTransformIdentity
        controller.messageLab.transform = CGAffineTransformIdentity
        
        controller.linkBtn.transform = CGAffineTransformIdentity
        controller.linkLab.transform = CGAffineTransformIdentity
    }
}

end:

Demo - PresentTumblrAnimator

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