recyclerview/androidx.recyclerview.widget/RecyclerView/LayoutParams

LayoutParams

open class LayoutParams : ViewGroup.MarginLayoutParams(source)

LayoutParams subclass for children of RecyclerView. Custom layout managers are encouraged to create their own subclass of this LayoutParams class to store any additional required per-child view metadata about the layout.

Inheritors

Constructors

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constructor(c: Context, attrs: AttributeSet)
constructor(width: Int, height: Int)
constructor(source: ViewGroup.MarginLayoutParams)
constructor(source: ViewGroup.LayoutParams)
constructor(source: RecyclerView.LayoutParams)

Functions

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open fun getAbsoluteAdapterPosition(): Int
Returns the up-to-date adapter position that the view this LayoutParams is attached to corresponds to in the RecyclerView.
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open fun getBindingAdapterPosition(): Int
Returns the up-to-date adapter position that the view this LayoutParams is attached to corresponds to with respect to the Adapter that bound this View.
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open fun getViewLayoutPosition(): Int
Returns the adapter position that the view this LayoutParams is attached to corresponds to as of latest layout calculation.
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open fun getViewPosition(): Int
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open fun isItemChanged(): Boolean
Returns true if the adapter data item corresponding to the view this LayoutParams is attached to has been changed in the data set.
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open fun isItemRemoved(): Boolean
Returns true if the adapter data item corresponding to the view this LayoutParams is attached to has been removed from the data set.
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open fun isViewInvalid(): Boolean
Returns true if the view this LayoutParams is attached to is now representing potentially invalid data.
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open fun viewNeedsUpdate(): Boolean
Returns true if the view this LayoutParams is attached to needs to have its content updated from the corresponding adapter.