基于MJRefresh 配置 GIF动画

每次看到比较好看的刷新动画都感觉好厉害,今天有时间看了一下MJ的gif的动画刷新,原来很简单
基于MJRefresh 配置 GIF动画

prepare方法中

*设置JIF动画图片 setImages:
*设置title setTitle:
placeSubViews中设置
*设置GIFView属性
*设置StateLabel的属性
GifHeader

 class RefreshAutoGi fHeader :MJRefreshGifHeader {

      ///初始化

      override func prepare() {

      super.prepare()
//图片数组

      var images:[UIImage] = [UIImage]()
//遍历

      for index in 0..<16{

      let image = UIImage (named:”dropdown loading 0\ ( index) ")images.append (image!)}

      //设置空闲状态的图片

      setImages(images, for: .idle)

      set Images (images, for: .refreshing)

      setTitle("正在努力加载"，for: .idle)

      setTitle("正在努力加载"，for: .pulling)
setTitle("正在努力加载"，for: .refreshing)
setTitle("正在努力加载"，for: . willRefresh)
setTitle("没有更多数据"，for: .noMoreData)}

      override func placeSubviews() {

      super .placeSubviews()

      gifView . contentMode = .center

      gifView.frame = CGRect(x: 0, y: 4, width: mj_W, height: 25)
stateLabel.font = UIFont . systemFont (ofSize: 12)

      stateLabel. frame三CGRect(x: e，y: 35，  width: mi_ w, height: 14)
      }
}

GifFooter

 class RefreshAutoGifFooter : MJRefreshAutoGifFooter {

      ///初始化

      override func prepare() {

      super . prepare( )
//控件高度
mj_ h = 50.0
//图片数组
   var images: [UIImage] = [UIImage]()
//遍历
 for index in 0..<8{

     let image = UIImage (named: "sendloading_ 18x18_ \( index)")images .append (image!)
}
      //设置空闲状态的图片

      setImages(images, for: .idle)

      set Images (images, for: .refreshing

      setTitle("正在努力加载"，for: .idle)
setTitle("正在努力加载"，for: .pulling)

      setTitle("正在努力加载"，for: .refreshing)
setTitle("正在努力加载"，for: .willRefresh)
setTitle("没有更多数据"，for: .noMoreData)}

      override func placeSubviews() {

      super .placeSubviews ()
gifView.x = 135

      gifView.centerY = stateLabel . centerY
}

使用

//设置刷新
func setRefreshO) {

      // header

      let header = Ref reshAutoGifHeader f[weak self] in

      Ne tworkTpol. loadApiNewsFeeds ( category: self! .newsTitle.category, ttFrom: . enterAuto)

     { (maxBehotTime smalVideos) in

      if (sclf? .collectionView.mj , header.isRefreshing!

     {self?. collectionView .mj. header . endRefreshing()}
self! . smallVideos s smallVideos
self ! . naxBehotTime e maxBehotTime
self!.collectionView .reloadData()
       }
}
 header? . lastUpdatedTimeLabel .isHidden =true 
header? . beginRefreshing()
header?. isAutomaticallyChangeAlpha = true
 collectionView .mj_header=header

效果

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