void
|
assertNotInLayoutOrScroll(String message)
Checks if RecyclerView is in the middle of a layout or scroll and throws an
IllegalStateException if it is.
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boolean
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canScrollHorizontally()
Query if horizontal scrolling is currently supported.
|
boolean
|
canScrollVertically()
Query if vertical scrolling is currently supported.
|
void
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collectAdjacentPrefetchPositions(int dx, int dy, RecyclerView.State state, RecyclerView.LayoutManager.LayoutPrefetchRegistry layoutPrefetchRegistry)
Gather all positions from the LayoutManager to be prefetched, given specified momentum.
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void
|
collectInitialPrefetchPositions(int adapterItemCount, RecyclerView.LayoutManager.LayoutPrefetchRegistry layoutPrefetchRegistry)
Gather all positions from the LayoutManager to be prefetched in preperation for its
RecyclerView to come on screen, due to the movement of another, containing RecyclerView.
|
int
|
computeHorizontalScrollExtent(RecyclerView.State state)
Override this method if you want to support scroll bars.
|
int
|
computeHorizontalScrollOffset(RecyclerView.State state)
Override this method if you want to support scroll bars.
|
int
|
computeHorizontalScrollRange(RecyclerView.State state)
Override this method if you want to support scroll bars.
|
PointF
|
computeScrollVectorForPosition(int targetPosition)
Should calculate the vector that points to the direction where the target position
can be found.
|
int
|
computeVerticalScrollExtent(RecyclerView.State state)
Override this method if you want to support scroll bars.
|
int
|
computeVerticalScrollOffset(RecyclerView.State state)
Override this method if you want to support scroll bars.
|
int
|
computeVerticalScrollRange(RecyclerView.State state)
Override this method if you want to support scroll bars.
|
int
|
findFirstCompletelyVisibleItemPosition()
Returns the adapter position of the first fully visible view.
|
int
|
findFirstVisibleItemPosition()
Returns the adapter position of the first visible view.
|
int
|
findLastCompletelyVisibleItemPosition()
Returns the adapter position of the last fully visible view.
|
int
|
findLastVisibleItemPosition()
Returns the adapter position of the last visible view.
|
View
|
findViewByPosition(int position)
Finds the view which represents the given adapter position.
|
RecyclerView.LayoutParams
|
generateDefaultLayoutParams()
Create a default LayoutParams object for a child of the RecyclerView.
|
int
|
getExtraLayoutSpace(RecyclerView.State state)
Returns the amount of extra space that should be laid out by LayoutManager.
|
int
|
getInitialPrefetchItemCount()
Gets the number of items to prefetch in
collectInitialPrefetchPositions(int, LayoutPrefetchRegistry), which defines
how many inner items should be prefetched when this LayoutManager's RecyclerView
is nested inside another RecyclerView.
|
int
|
getOrientation()
Returns the current orientation of the layout.
|
boolean
|
getRecycleChildrenOnDetach()
Returns whether LayoutManager will recycle its children when it is detached from
RecyclerView.
|
boolean
|
getReverseLayout()
Returns if views are laid out from the opposite direction of the layout.
|
boolean
|
getStackFromEnd()
|
boolean
|
isAutoMeasureEnabled()
Returns whether the measuring pass of layout should use the AutoMeasure mechanism of
RecyclerView or if it should be done by the LayoutManager's implementation of
onMeasure(Recycler, State, int, int).
|
boolean
|
isLayoutRTL()
|
boolean
|
isSmoothScrollbarEnabled()
Returns the current state of the smooth scrollbar feature.
|
void
|
onDetachedFromWindow(RecyclerView view, RecyclerView.Recycler recycler)
Called when this LayoutManager is detached from its parent RecyclerView or when
its parent RecyclerView is detached from its window.
|
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
|
onInitializeAccessibilityEvent(AccessibilityEvent event)
|
void
|
onLayoutChildren(RecyclerView.Recycler recycler, RecyclerView.State state)
Lay out all relevant child views from the given adapter.
|
void
|
onLayoutCompleted(RecyclerView.State state)
Called after a full layout calculation is finished.
|
void
|
onRestoreInstanceState(Parcelable state)
|
Parcelable
|
onSaveInstanceState()
Called when the LayoutManager should save its state.
|
int
|
scrollHorizontallyBy(int dx, RecyclerView.Recycler recycler, RecyclerView.State state)
Scroll horizontally by dx pixels in screen coordinates and return the distance traveled.
|
void
|
scrollToPosition(int position)
Scroll the RecyclerView to make the position visible.
|
void
|
scrollToPositionWithOffset(int position, int offset)
Scroll to the specified adapter position with the given offset from resolved layout
start.
|
int
|
scrollVerticallyBy(int dy, RecyclerView.Recycler recycler, RecyclerView.State state)
Scroll vertically by dy pixels in screen coordinates and return the distance traveled.
|
void
|
setInitialPrefetchItemCount(int itemCount)
Sets the number of items to prefetch in
collectInitialPrefetchPositions(int, LayoutPrefetchRegistry), which defines
how many inner items should be prefetched when this LayoutManager's RecyclerView
is nested inside another RecyclerView.
|
void
|
setOrientation(int orientation)
Sets the orientation of the layout.
|
void
|
setRecycleChildrenOnDetach(boolean recycleChildrenOnDetach)
Set whether LayoutManager will recycle its children when it is detached from
RecyclerView.
|
void
|
setReverseLayout(boolean reverseLayout)
Used to reverse item traversal and layout order.
|
void
|
setSmoothScrollbarEnabled(boolean enabled)
When smooth scrollbar is enabled, the position and size of the scrollbar thumb is computed
based on the number of visible pixels in the visible items.
|
void
|
setStackFromEnd(boolean stackFromEnd)
Compatibility support for setStackFromBottom(boolean)
|
void
|
smoothScrollToPosition(RecyclerView recyclerView, RecyclerView.State state, int position)
Smooth scroll to the specified adapter position.
|
boolean
|
su |
