universum.studios.android.recycler.decoration

Interface RecyclerViewItemDecoration.Precondition

Enclosing class:

RecyclerViewItemDecoration

public static interface RecyclerViewItemDecoration.Precondition

Precondition represents a simple check which is performed by an item decoration before its decoration logic is performed for a specific item view.

In general, preconditions may be used in order to perform more item specific decoration logic.

Since:

1.0

Author:

Martin Albedinsky

Field Summary

Fields

Modifier and Type	Field and Description
static RecyclerViewItemDecoration.Precondition	EMPTY Empty implementation (NULL object) which is always satisfied, that is, every item view will be decorated when using this precondition.

Method Summary

Modifier and Type	Method and Description
boolean	check(android.view.View view, androidx.recyclerview.widget.RecyclerView parent, androidx.recyclerview.widget.RecyclerView.State state) Checks whether this precondition is satisfied for the specified parameters.

Field Detail

EMPTY

@NonNull
static final RecyclerViewItemDecoration.Precondition EMPTY

Empty implementation (NULL object) which is always satisfied, that is, every item view will be decorated when using this precondition.

Method Detail

check

boolean check(@NonNull
              android.view.View view,
              @NonNull
              androidx.recyclerview.widget.RecyclerView parent,
              @NonNull
              androidx.recyclerview.widget.RecyclerView.State state)

Checks whether this precondition is satisfied for the specified parameters.

Parameters:

view - The currently iterated item view.

parent - The parent recycler view where is the specified item view presented.

state - State of the parent recycler view.

Returns:

True if this precondition is satisfied and the item view can be decorated, false otherwise.