eu.davidea.flexibleadapter.utils

Class LayoutUtils

java.lang.Object

eu.davidea.flexibleadapter.utils.LayoutUtils

public final class LayoutUtils
extends java.lang.Object

Since:

07/12/2017 Created

Constructor Summary

Constructors

Constructor and Description
LayoutUtils()

Method Summary

Modifier and Type	Method and Description
static int	findFirstCompletelyVisibleItemPosition(RecyclerView recyclerView) Helper method to find the adapter position of the first completely visible view [for each span], no matter which Layout is.
static int	findFirstVisibleItemPosition(RecyclerView recyclerView) Helper method to find the adapter position of the first partially visible view [for each span], no matter which Layout is.
static int	findLastCompletelyVisibleItemPosition(RecyclerView recyclerView) Helper method to find the adapter position of the last completely visible view [for each span], no matter which Layout is.
static int	findLastVisibleItemPosition(RecyclerView recyclerView) Helper method to find the adapter position of the last partially visible view [for each span], no matter which Layout is.
static java.lang.String	getClassName(java.lang.Object o)
static java.lang.String	getModeName(int mode)
static int	getOrientation(RecyclerView recyclerView) Finds the layout orientation of the RecyclerView, no matter which LayoutManager is in use.
static int	getSpanCount(RecyclerView recyclerView) 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

Constructor Detail

LayoutUtils

public LayoutUtils()

Method Detail

getModeName

public static java.lang.String getModeName(int mode)

Returns:

the string representation of the provided SelectableAdapter.Mode

Since:

5.0.0-rc1

getClassName

public static java.lang.String getClassName(java.lang.Object o)

Returns:

the SimpleClassName of the provided object

Since:

5.0.0-rc1

getOrientation

public static int getOrientation(RecyclerView recyclerView)

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

Parameters:

recyclerView - the RecyclerView with LayoutManager instance in use

Returns:

one of OrientationHelper#HORIZONTAL, OrientationHelper#VERTICAL

getSpanCount

public static int getSpanCount(RecyclerView recyclerView)

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

All Layouts are supported.

Parameters:

recyclerView - the RecyclerView with LayoutManager instance in use

Returns:

the span count

Since:

5.0.0-b7

findFirstCompletelyVisibleItemPosition

public static int findFirstCompletelyVisibleItemPosition(RecyclerView recyclerView)

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

Parameters:

recyclerView - the RecyclerView with LayoutManager instance in use

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(RecyclerView)

findFirstVisibleItemPosition

public static int findFirstVisibleItemPosition(RecyclerView recyclerView)

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

Parameters:

recyclerView - the RecyclerView with LayoutManager instance in use

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(RecyclerView)

findLastCompletelyVisibleItemPosition

public static int findLastCompletelyVisibleItemPosition(RecyclerView recyclerView)

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

Parameters:

recyclerView - the RecyclerView with LayoutManager instance in use

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(RecyclerView)

findLastVisibleItemPosition

public static int findLastVisibleItemPosition(RecyclerView recyclerView)

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

Parameters:

recyclerView - the RecyclerView with LayoutManager instance in use

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(RecyclerView)