# GridLayoutManager.LayoutParams # GridLayoutManager.LayoutParams Artifact:[androidx.recyclerview:recyclerview](https://developer.android.com/jetpack/androidx/releases/recyclerview) [View Source](https://cs.android.com/search?q=file:androidx/recyclerview/widget/GridLayoutManager.java+class:androidx.recyclerview.widget.GridLayoutManager.LayoutParams) Added in[1.0.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.0.0) *** ** * ** *** Kotlin\|[Java](https://developer.android.com/reference/androidx/recyclerview/widget/GridLayoutManager.LayoutParams "View this page in Java")
``` class GridLayoutManager.LayoutParams : RecyclerView.LayoutParams ```
|---|---|---|---|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [kotlin.Any](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-any/index.html) ||||| | ↳ | [android.view.ViewGroup.LayoutParams](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html) |||| | | ↳ | [android.view.ViewGroup.MarginLayoutParams](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html) ||| | | | ↳ | [androidx.recyclerview.widget.RecyclerView.LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams) || | | | | ↳ | [androidx.recyclerview.widget.GridLayoutManager.LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams) | *** ** * ** *** LayoutParams used by GridLayoutManager. Note that if the orientation is[VERTICAL](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/LinearLayoutManager#VERTICAL()), the width parameter is ignored and if the orientation is[HORIZONTAL](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/LinearLayoutManager#HORIZONTAL())the height parameter is ignored because child view is expected to fill all of the space given to it. ## Summary | ### Constants | |-------------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [INVALID_SPAN_ID](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#INVALID_SPAN_ID())` = -1` Span Id for Views that are not laid out yet. | | ### Public constructors | |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#LayoutParams(androidx.recyclerview.widget.RecyclerView.LayoutParams))`(source: `[RecyclerView.LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams)`!)` | | [LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#LayoutParams(android.view.ViewGroup.LayoutParams))`(source: `[ViewGroup.LayoutParams](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html)`!)` | | [LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#LayoutParams(android.view.ViewGroup.MarginLayoutParams))`(source: `[ViewGroup.MarginLayoutParams](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html)`!)` | | [LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#LayoutParams(android.content.Context,android.util.AttributeSet))`(c: `[Context](https://developer.android.com/reference/android/content/Context.html)`!, attrs: `[AttributeSet](https://developer.android.com/reference/android/util/AttributeSet.html)`!)` | | [LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#LayoutParams(int,int))`(width: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, height: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | ### Public functions | |-----------------------------------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getSpanIndex](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#getSpanIndex())`()` Returns the current span index of this View. | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getSpanSize](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.LayoutParams#getSpanSize())`()` Returns the number of spans occupied by this View. | | ### Inherited Constants | |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | From[android.view.ViewGroup.LayoutParams](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html) |-------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------| | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [FILL_PARENT](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#FILL_PARENT())` = -1` **This property is deprecated.** | | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [MATCH_PARENT](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#MATCH_PARENT())` = -1` | | `const `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [WRAP_CONTENT](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#WRAP_CONTENT())` = -2` | | | ### Inherited functions | |-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------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| From[androidx.recyclerview.widget.RecyclerView.LayoutParams](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams) |-------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getAbsoluteAdapterPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getAbsoluteAdapterPosition())`()` Returns the up-to-date adapter position that the view this LayoutParams is attached to corresponds to in the[RecyclerView](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView). | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getBindingAdapterPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getBindingAdapterPosition())`()` Returns the up-to-date adapter position that the view this LayoutParams is attached to corresponds to with respect to the[Adapter](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.Adapter)that bound this View. | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | ~~[getViewAdapterPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getViewAdapterPosition())~~`()` **This function is deprecated.** This method is confusing when nested adapters are used.
| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getViewLayoutPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getViewLayoutPosition())`()` Returns the adapter position that the view this LayoutParams is attached to corresponds to as of latest layout calculation. | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | ~~[getViewPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getViewPosition())~~`()` **This function is deprecated.** use[getViewLayoutPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getViewLayoutPosition())or[getViewAdapterPosition](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#getViewAdapterPosition())
| | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isItemChanged](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#isItemChanged())`()` Returns true if the adapter data item corresponding to the view this LayoutParams is attached to has been changed in the data set. | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isItemRemoved](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#isItemRemoved())`()` Returns true if the adapter data item corresponding to the view this LayoutParams is attached to has been removed from the data set. | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isViewInvalid](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#isViewInvalid())`()` Returns true if the view this LayoutParams is attached to is now representing potentially invalid data. | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [viewNeedsUpdate](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/RecyclerView.LayoutParams#viewNeedsUpdate())`()` Returns true if the view this LayoutParams is attached to needs to have its content updated from the corresponding adapter. | | | From[android.view.ViewGroup.LayoutParams](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html) |-------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [setBaseAttributes](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#setBaseAttributes(android.content.res.TypedArray, int, int))`(a: `[TypedArray](https://developer.android.com/reference/android/content/res/TypedArray.html)`!, widthAttr: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, heightAttr: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | | From[android.view.ViewGroup.MarginLayoutParams](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html) |-------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getLayoutDirection](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#getLayoutDirection())`()` | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getMarginEnd](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#getMarginEnd())`()` | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [getMarginStart](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#getMarginStart())`()` | | [Boolean](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-boolean/index.html) | [isMarginRelative](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#isMarginRelative())`()` | | [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [resolveLayoutDirection](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#resolveLayoutDirection(int))`(layoutDirection: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [setLayoutDirection](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#setLayoutDirection(int))`(layoutDirection: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [setMarginEnd](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#setMarginEnd(int))`(end: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [setMarginStart](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#setMarginStart(int))`(start: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | [Unit](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-unit/index.html) | [setMargins](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#setMargins(int, int, int, int))`(left: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, top: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, right: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`, bottom: `[Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html)`)` | | | ### Inherited properties | |---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | From[android.view.ViewGroup.LayoutParams](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html) |-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [height](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#height()) | | [LayoutAnimationController.AnimationParameters](https://developer.android.com/reference/android/view/animation/LayoutAnimationController.AnimationParameters.html)`!` | [layoutAnimationParameters](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#layoutAnimationParameters()) | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [width](https://developer.android.com/reference/android/view/ViewGroup.LayoutParams.html#width()) | | | From[android.view.ViewGroup.MarginLayoutParams](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html) |-----------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [bottomMargin](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#bottomMargin()) | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [leftMargin](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#leftMargin()) | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [rightMargin](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#rightMargin()) | | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | [topMargin](https://developer.android.com/reference/android/view/ViewGroup.MarginLayoutParams.html#topMargin()) | | ## Constants ### INVALID_SPAN_ID Added in[1.0.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.0.0) ``` const val INVALID_SPAN_ID = -1: Int ``` Span Id for Views that are not laid out yet. ## Public constructors ### LayoutParams Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.4.0) ``` LayoutParams(source: RecyclerView.LayoutParams!) ``` ### LayoutParams Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.4.0) ``` LayoutParams(source: ViewGroup.LayoutParams!) ``` ### LayoutParams Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.4.0) ``` LayoutParams(source: ViewGroup.MarginLayoutParams!) ``` ### LayoutParams Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.4.0) ``` LayoutParams(c: Context!, attrs: AttributeSet!) ``` ### LayoutParams Added in[1.4.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.4.0) ``` LayoutParams(width: Int, height: Int) ``` ## Public functions ### getSpanIndex Added in[1.0.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.0.0) ``` fun getSpanIndex(): Int ``` Returns the current span index of this View. If the View is not laid out yet, the return value is`undefined`. Starting with RecyclerView**24.2.0** , span indices are always indexed from position 0 even if the layout is RTL. In a vertical GridLayoutManager,**leftmost** span is span 0 if the layout is**LTR** and**rightmost** span is span 0 if the layout is**RTL** . Prior to 24.2.0, it was the opposite which was conflicting with[getSpanIndex](https://developer.android.com/reference/kotlin/androidx/recyclerview/widget/GridLayoutManager.SpanSizeLookup#getSpanIndex(int,int)). If the View occupies multiple spans, span with the minimum index is returned. | Returns | |-----------------------------------------------------------------------------|-----------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | The span index of the View. | ### getSpanSize Added in[1.0.0](https://developer.android.com/jetpack/androidx/releases/recyclerview#1.0.0) ``` fun getSpanSize(): Int ``` Returns the number of spans occupied by this View. If the View not laid out yet, the return value is`undefined`. | Returns | |-----------------------------------------------------------------------------|--------------------------------------------| | [Int](https://kotlinlang.org/api/core/kotlin-stdlib/kotlin/-int/index.html) | The number of spans occupied by this View. |