recyclerview/androidx.recyclerview.widget/RecyclerView/AdapterDataObserver

AdapterDataObserver

abstract class AdapterDataObserver(source)

Observer base class for watching changes to an Adapter. See registerAdapterDataObserver.

Constructors

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constructor()

Functions

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open fun onChanged()
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open fun onItemRangeChanged(positionStart: Int, itemCount: Int)
open fun onItemRangeChanged(positionStart: Int, itemCount: Int, @Nullable payload: Any)
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open fun onItemRangeInserted(positionStart: Int, itemCount: Int)
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open fun onItemRangeMoved(fromPosition: Int, toPosition: Int, itemCount: Int)
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open fun onItemRangeRemoved(positionStart: Int, itemCount: Int)
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open fun onStateRestorationPolicyChanged()
Called when the Adapter.StateRestorationPolicy of the Adapter changed.