OnItemVisibilityChangedDelegate

public interface OnItemVisibilityChangedDelegate

androidx.car.app.model.OnItemVisibilityChangedDelegate


A host-side delegate for sending ItemList.OnItemVisibilityChangedListener events to the car app.

Summary

Public methods

abstract void sendItemVisibilityChanged(int startIndex, int endIndex, OnDoneCallback callback)

Notifies that the items in the list within the specified indices have become visible.

Public methods

sendItemVisibilityChanged

public abstract void sendItemVisibilityChanged (int startIndex, 
                int endIndex, 
                OnDoneCallback callback)

Notifies that the items in the list within the specified indices have become visible.

The start index is inclusive, and the end index is exclusive. For example, if only the first item in a list is visible, the start and end indices would be 0 and 1, respectively. If no items are visible, the indices will be set to -1.

Parameters
startIndex int: the index (inclusive) of the first visible element, or -1 if no items are visible

endIndex int: the index (exclusive) of the last visible element, or -1 if no items are visible

callback OnDoneCallback: the OnDoneCallback to trigger when the client finishes handling the event