Iglistkit: Show skeleton loading

[sasquatchgit]

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I want to show skeleton view while data loading using this library. Is there a way to use that? The library works by providing a data source to the collection view. I am unable to do so. Can I provide a dataSource to adatper's collectionView?
Or is there any other way to achieve a loading view which looks like this:

[rnystrom]

@sasquatchgit this is a very cool library! Because IGListAdapter internally must be the UICollectionViewDataSource, there likely isn't a clean way to make this integration happen. I'd actually encourage you to request adding IGListKit support to SkeletonView itself. Maybe as an extension or new repository?

We can't provide first-class third-party library support, sadly.

[10000TB]

@sasquatchgit try this Skeleton animation ( Skeleton ), it can integrate with IGListKit just simple changes.

on-refreshing/loading (in refresh handler)

// Set data to place holder models - (or on your existing models, have a `isLoading` bool flag)
// something like this in handler
@objc refreshHandler () {
    self.data = [model(id: 0, isRefreshing: true),
                    model(id: 1, isLoading: true),
                    model(id: 2, isLoading: true),
                    model(id: 3, isLoading: true)] // Depend on your need, add more here.
    // Let IGListKit adapter reload these placeholder models.
    self.adapter.reloadData { (success) in
            debugPrint("Now showing loading skeletons...")
    }
    // do some API calls here to fetch data.
    // use a dummy timer here.
    DispatchQueue.main.asyncAfter(deadline: .now() + 3) {
            // By this point in this closure, you should have your data ready.
            // lets say
            //   someDara = [ model(id:0, name: "User1", desc: "I am user first"),
            //       model(id:2, name: "@rnystrom", desc: "I am maker of IGListKit"),
            //       model(id:3, name: "Donald", desc: "You are fired")     ]
            //  you simply override existing data and reload it to effect in collectionView.
           self.data = someData
           self.adapter.reloadData { (success) in
                debugPrint("Now real data is reloaed in collectionView")
             }
       } 
}

You model could be sth like this

class Model {
    var displayName: String
    var desc: String
    var isLoading: Bool
     //...
}

Then in your cellForItem function in *sectionController, update view based on isLoading's value

    override func cellForItem(at index: Int) -> UICollectionViewCell {
        let cellClasses = [NameCell.self, DescCell.self]
        let cellClass: AnyClass = cellClasses[index]
        let cell = collectionContext!.dequeueReusableCell(of: cellClass, for: self, at: index)
        if let cell = cell as? NameCell {
            if (user?.isLoading)! {
                cell.startLoadingAnimation()
            }else {
                cell.stopLoadingAnimation()
                cell.userDisplayNameLabel.text = model?.displayName
            }
        }
        else if let cell = cell as? DescCell {
            if (user?.isLoading)! {
                cell.startLoadingAnimation()
            } else {
                cell.stopLoadingAnimation()
                cell.textLabel.text = model?.DescCell

            }
        }
        return cell
    }

And on top of your existing collectionViewCell, you need to implement stopLoadingAnimation() and startLoadingAnimation(), which is pretty easy, checkout Skeleton

It will look like following:

Wdyt? @sasquatchgit @rnystrom

[adelbios]

@10000TB can u publish demo ?!

[10000TB]

@adelbios the demo code is already in my comment, and so is final look within app