com.timehop.stickyheadersrecyclerview

Class StickyRecyclerHeadersDecoration

java.lang.Object

android.support.v7.widget.RecyclerView.ItemDecoration

com.timehop.stickyheadersrecyclerview.StickyRecyclerHeadersDecoration

public class StickyRecyclerHeadersDecoration
extends android.support.v7.widget.RecyclerView.ItemDecoration

Constructor Summary

Constructors

Constructor and Description
StickyRecyclerHeadersDecoration(StickyRecyclerHeadersAdapter adapter)

Method Summary

Modifier and Type	Method and Description
int	findHeaderPositionUnder(int x, int y) Gets the position of the header under the specified (x, y) coordinates.
android.view.View	getHeaderView(android.support.v7.widget.RecyclerView parent, int position) Gets the header view for the associated position.
void	getItemOffsets(android.graphics.Rect outRect, android.view.View view, android.support.v7.widget.RecyclerView parent, android.support.v7.widget.RecyclerView.State state)
void	invalidateHeaders() Invalidates cached headers.
void	onDrawOver(android.graphics.Canvas canvas, android.support.v7.widget.RecyclerView parent, android.support.v7.widget.RecyclerView.State state)

Methods inherited from class android.support.v7.widget.RecyclerView.ItemDecoration

getItemOffsets, onDraw, onDraw, onDrawOver

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StickyRecyclerHeadersDecoration

public StickyRecyclerHeadersDecoration(StickyRecyclerHeadersAdapter adapter)

Method Detail

getItemOffsets

public void getItemOffsets(android.graphics.Rect outRect,
                           android.view.View view,
                           android.support.v7.widget.RecyclerView parent,
                           android.support.v7.widget.RecyclerView.State state)

Overrides:

getItemOffsets in class android.support.v7.widget.RecyclerView.ItemDecoration

onDrawOver

public void onDrawOver(android.graphics.Canvas canvas,
                       android.support.v7.widget.RecyclerView parent,
                       android.support.v7.widget.RecyclerView.State state)

Overrides:

onDrawOver in class android.support.v7.widget.RecyclerView.ItemDecoration

findHeaderPositionUnder

public int findHeaderPositionUnder(int x,
                                   int y)

Gets the position of the header under the specified (x, y) coordinates.

Parameters:

x - x-coordinate

y - y-coordinate

Returns:

position of header, or -1 if not found

getHeaderView

public android.view.View getHeaderView(android.support.v7.widget.RecyclerView parent,
                                       int position)

Gets the header view for the associated position. If it doesn't exist yet, it will be created, measured, and laid out.

Parameters:

parent - the recyclerview

position - the position to get the header view for

Returns:

Header view

invalidateHeaders

public void invalidateHeaders()

Invalidates cached headers. This does not invalidate the recyclerview, you should do that manually after calling this method.