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UICollectionViewで、下に引っ張ったときにぐるぐる更新させる方法

Last updated at Posted at 2015-03-06
@IBOutlet weak var myCollectionView: UICollectionView!

override func viewDidLoad() {
        super.viewDidLoad()

        //UIRefreshControllのインスタンスを生成する。
        var refreshControl = UIRefreshControl()
        //下に引っ張った時に、リフレッシュさせる関数を実行する。”:”を忘れがちなので注意。
        refreshControl.addTarget(self, action: "guruguru:", forControlEvents: UIControlEvents.ValueChanged)
        //UICollectionView上に、ロード中...を表示するための新しいビューを作る
        myCollectionView.addSubview(refreshControl)
    }

        //リフレッシュさせる
    func guruguru(sender:AnyObject) {
        sender.beginRefreshing()
        myCollectionView.reloadData()
        sender.endRefreshing()
    }
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