belongs to Maven artifact com.android.support:recyclerview-v7:28.0.0-alpha1
GridLayoutManager
public
class
GridLayoutManager
extends LinearLayoutManager
java.lang.Object | |||
↳ | android.support.v7.widget.RecyclerView.LayoutManager | ||
↳ | android.support.v7.widget.LinearLayoutManager | ||
↳ | android.support.v7.widget.GridLayoutManager |
A RecyclerView.LayoutManager
implementations that lays out items in a grid.
By default, each item occupies 1 span. You can change it by providing a custom
GridLayoutManager.SpanSizeLookup
instance via setSpanSizeLookup(SpanSizeLookup)
.
Summary
Nested classes | |
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class |
GridLayoutManager.DefaultSpanSizeLookup
Default implementation for |
class |
GridLayoutManager.LayoutParams
LayoutParams used by GridLayoutManager. |
class |
GridLayoutManager.SpanSizeLookup
A helper class to provide the number of spans each item occupies. |
XML attributes | |
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RecyclerView_spanCount |
Inherited XML attributes | |
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![]()
android.support.v7.widget.LinearLayoutManager
| |
![]()
android.support.v7.widget.RecyclerView.LayoutManager
|
Constants | |
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int |
DEFAULT_SPAN_COUNT
|
Inherited constants |
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![]()
android.support.v7.widget.LinearLayoutManager
|
Public constructors | |
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GridLayoutManager(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)
Constructor used when layout manager is set in XML by RecyclerView attribute "layoutManager". |
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GridLayoutManager(Context context, int spanCount)
Creates a vertical GridLayoutManager |
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GridLayoutManager(Context context, int spanCount, int orientation, boolean reverseLayout)
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Public methods | |
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boolean
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checkLayoutParams(RecyclerView.LayoutParams lp)
Determines the validity of the supplied LayoutParams object. |
RecyclerView.LayoutParams
|
generateDefaultLayoutParams()
Create a default |
RecyclerView.LayoutParams
|
generateLayoutParams(Context c, AttributeSet attrs)
Create a LayoutParams object suitable for this LayoutManager from an inflated layout resource. |
RecyclerView.LayoutParams
|
generateLayoutParams(ViewGroup.LayoutParams lp)
Create a LayoutParams object suitable for this LayoutManager, copying relevant values from the supplied LayoutParams object if possible. |
int
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getColumnCountForAccessibility(RecyclerView.Recycler recycler, RecyclerView.State state)
Returns the number of columns for accessibility. |
int
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getRowCountForAccessibility(RecyclerView.Recycler recycler, RecyclerView.State state)
Returns the number of rows for accessibility. |
int
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getSpanCount()
Returns the number of spans laid out by this grid. |
GridLayoutManager.SpanSizeLookup
|
getSpanSizeLookup()
Returns the current |
View
|
onFocusSearchFailed(View focused, int focusDirection, RecyclerView.Recycler recycler, RecyclerView.State state)
Called when searching for a focusable view in the given direction has failed for the current content of the RecyclerView. |
void
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onInitializeAccessibilityNodeInfoForItem(RecyclerView.Recycler recycler, RecyclerView.State state, View host, AccessibilityNodeInfoCompat info)
Called by the AccessibilityDelegate when the accessibility information for a specific item should be populated. |
void
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onItemsAdded(RecyclerView recyclerView, int positionStart, int itemCount)
Called when items have been added to the adapter. |
void
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onItemsChanged(RecyclerView recyclerView)
Called in response to a call to |
void
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onItemsMoved(RecyclerView recyclerView, int from, int to, int itemCount)
Called when an item is moved withing the adapter. |
void
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onItemsRemoved(RecyclerView recyclerView, int positionStart, int itemCount)
Called when items have been removed from the adapter. |
void
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onItemsUpdated(RecyclerView recyclerView, int positionStart, int itemCount, Object payload)
Called when items have been changed in the adapter and with optional payload. |
void
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onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state)
Lay out all relevant child views from the given adapter. |
void
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onLayoutCompleted(RecyclerView.State state)
Called after a full layout calculation is finished. |
int
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scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state)
Scroll horizontally by dx pixels in screen coordinates and return the distance traveled. |
int
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scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, RecyclerView.State state)
Scroll vertically by dy pixels in screen coordinates and return the distance traveled. |
void
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setMeasuredDimension(Rect childrenBounds, int wSpec, int hSpec)
Sets the measured dimensions from the given bounding box of the children and the
measurement specs that were passed into |
void
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setSpanCount(int spanCount)
Sets the number of spans to be laid out. |
void
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setSpanSizeLookup(GridLayoutManager.SpanSizeLookup spanSizeLookup)
Sets the source to get the number of spans occupied by each item in the adapter. |
void
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setStackFromEnd(boolean stackFromEnd)
stackFromEnd is not supported by GridLayoutManager. |
boolean
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supportsPredictiveItemAnimations()
Returns whether this LayoutManager supports "predictive item animations". |
Inherited methods | |
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![]()
android.support.v7.widget.LinearLayoutManager
|