ViewCallback

The callback that links AsyncListUtil with the list view.

All methods are called on the main thread.

Constructors

constructor()

Scrolling in ascending order (from lower to higher positions in the order of the backing storage).

Scrolling in descending order (from higher to lower positions in the order of the backing storage).

No scroll direction hint available.

open fun extendRangeInto(@NonNull range: Array<Int>, @NonNull outRange: Array<Int>, scrollHint: Int)

Compute a wider range of items that will be loaded for smoother scrolling.

Compute the range of visible item positions.

abstract fun onDataRefresh()

Called when the entire data set has changed.

abstract fun onItemLoaded(position: Int)

Called when an item at the given position is loaded.