eu.davidea.flexibleadapter.common

Class FlexibleLayoutManager

java.lang.Object

eu.davidea.flexibleadapter.common.FlexibleLayoutManager

All Implemented Interfaces:

IFlexibleLayoutManager

public class FlexibleLayoutManager
extends java.lang.Object
implements IFlexibleLayoutManager

Internal wrapper class for all conventional LayoutManagers.

Since:

22/04/2017

Field Summary

Fields

Modifier and Type	Field and Description
protected RecyclerView.LayoutManager	mLayoutManager
protected RecyclerView	mRecyclerView

Constructor Summary

Constructors

Constructor and Description
FlexibleLayoutManager(RecyclerView.LayoutManager layoutManager) Directly rely on the current instance of LayoutManager.
FlexibleLayoutManager(RecyclerView recyclerView) Providing RecyclerView is preferable for when the LayoutManager swaps.

Method Summary

Modifier and Type	Method and Description
int	findFirstCompletelyVisibleItemPosition() Helper method to find the adapter position of the first completely visible view [for each span], no matter which Layout is.
int	findFirstVisibleItemPosition() Helper method to find the adapter position of the first partially visible view [for each span], no matter which Layout is.
int	findLastCompletelyVisibleItemPosition() Helper method to find the adapter position of the last completely visible view [for each span], no matter which Layout is.
int	findLastVisibleItemPosition() Helper method to find the adapter position of the last partially visible view [for each span], no matter which Layout is.
int	getOrientation() Finds the layout orientation of the RecyclerView, no matter which LayoutManager is in use.
int	getSpanCount() Helper method to retrieve the number of the columns (span count) of the given LayoutManager.

Methods inherited from class java.lang.Object

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

Field Detail

mRecyclerView

protected RecyclerView mRecyclerView

mLayoutManager

protected RecyclerView.LayoutManager mLayoutManager

Constructor Detail

FlexibleLayoutManager

public FlexibleLayoutManager(RecyclerView recyclerView)

Providing RecyclerView is preferable for when the LayoutManager swaps.

Parameters:

recyclerView - the RecyclerView with LayoutManager in use

See Also:

FlexibleLayoutManager(RecyclerView.LayoutManager)

FlexibleLayoutManager

public FlexibleLayoutManager(RecyclerView.LayoutManager layoutManager)

Directly rely on the current instance of LayoutManager. Using this constructor it won't update the internal instance on LayoutManager swapping.

Parameters:

layoutManager - the current instance of LayoutManager

See Also:

FlexibleLayoutManager(RecyclerView)

Method Detail

getOrientation

public int getOrientation()

Finds the layout orientation of the RecyclerView, no matter which LayoutManager is in use.

Specified by:

getOrientation in interface IFlexibleLayoutManager

Returns:

one of OrientationHelper#HORIZONTAL, OrientationHelper#VERTICAL

Since:

5.0.0-rc2

getSpanCount

public int getSpanCount()

Helper method to retrieve the number of the columns (span count) of the given LayoutManager.

All Layouts are supported.

Specified by:

getSpanCount in interface IFlexibleLayoutManager

Returns:

the span count

Since:

5.0.0-b7

findFirstCompletelyVisibleItemPosition

public int findFirstCompletelyVisibleItemPosition()

Helper method to find the adapter position of the first completely visible view [for each span], no matter which Layout is.

Specified by:

findFirstCompletelyVisibleItemPosition in interface IFlexibleLayoutManager

Returns:

the adapter position of the first fully visible item or RecyclerView.NO_POSITION if there aren't any visible items.

Since:

5.0.0-b8

See Also:

findFirstVisibleItemPosition()

findFirstVisibleItemPosition

public int findFirstVisibleItemPosition()

Helper method to find the adapter position of the first partially visible view [for each span], no matter which Layout is.

Specified by:

findFirstVisibleItemPosition in interface IFlexibleLayoutManager

Returns:

the adapter position of the first partially visible item or RecyclerView.NO_POSITION if there aren't any visible items.

Since:

5.0.0-rc1

See Also:

findFirstCompletelyVisibleItemPosition()

findLastCompletelyVisibleItemPosition

public int findLastCompletelyVisibleItemPosition()

Helper method to find the adapter position of the last completely visible view [for each span], no matter which Layout is.

Specified by:

findLastCompletelyVisibleItemPosition in interface IFlexibleLayoutManager

Returns:

the adapter position of the last fully visible item or RecyclerView.NO_POSITION if there aren't any visible items.

Since:

5.0.0-b8

See Also:

findLastVisibleItemPosition()

findLastVisibleItemPosition

public int findLastVisibleItemPosition()

Helper method to find the adapter position of the last partially visible view [for each span], no matter which Layout is.

Specified by:

findLastVisibleItemPosition in interface IFlexibleLayoutManager

Returns:

the adapter position of the last partially visible item or RecyclerView.NO_POSITION if there aren't any visible items.

Since:

5.0.0-rc1

See Also:

findLastCompletelyVisibleItemPosition()