com.billy.android.swipe.internal

类 ViewCompat

java.lang.Object

com.billy.android.swipe.internal.ViewCompat

public class ViewCompat
extends java.lang.Object

从以下版本开始:

2019-05-23 11:25

字段概要

字段

限定符和类型	字段和说明
static int	SCROLL_AXIS_HORIZONTAL Indicates scrolling along the horizontal axis.
static int	SCROLL_AXIS_NONE Indicates no axis of view scrolling.
static int	SCROLL_AXIS_VERTICAL Indicates scrolling along the vertical axis.
static int	TYPE_NON_TOUCH Indicates that the input type for the gesture is caused by something which is not a user touching a screen.
static int	TYPE_TOUCH Indicates that the input type for the gesture is from a user touching the screen.

构造器概要

构造器

构造器和说明
ViewCompat()

方法概要

限定符和类型	方法和说明
static boolean	canListViewScrollVertical(android.widget.AbsListView listView, int direction) Check if the items in the list can be scrolled in a certain direction.
static int	getAbsoluteGravity(int gravity, int layoutDirection) Convert script specific gravity to absolute horizontal value.
static int	getLayoutDirection(android.view.View view)
static void	offsetLeftAndRight(android.view.View view, int offset) Offset this view's horizontal location by the specified amount of pixels.
static void	offsetTopAndBottom(android.view.View view, int offset) Offset this view's vertical location by the specified number of pixels.
static void	postInvalidateOnAnimation(android.view.View view) Cause an invalidate to happen on the next animation time step, typically the next display frame.

从类继承的方法 java.lang.Object

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

字段详细资料

TYPE_TOUCH

public static final int TYPE_TOUCH

Indicates that the input type for the gesture is from a user touching the screen.

另请参阅:

常量字段值

TYPE_NON_TOUCH

public static final int TYPE_NON_TOUCH

Indicates that the input type for the gesture is caused by something which is not a user touching a screen. This is usually from a fling which is settling.

另请参阅:

常量字段值

SCROLL_AXIS_NONE

public static final int SCROLL_AXIS_NONE

Indicates no axis of view scrolling.

另请参阅:

常量字段值

SCROLL_AXIS_HORIZONTAL

public static final int SCROLL_AXIS_HORIZONTAL

Indicates scrolling along the horizontal axis.

另请参阅:

常量字段值

SCROLL_AXIS_VERTICAL

public static final int SCROLL_AXIS_VERTICAL

Indicates scrolling along the vertical axis.

另请参阅:

常量字段值

构造器详细资料

ViewCompat

public ViewCompat()

方法详细资料

postInvalidateOnAnimation

public static void postInvalidateOnAnimation(android.view.View view)

Cause an invalidate to happen on the next animation time step, typically the next display frame.

This method can be invoked from outside of the UI thread only when this View is attached to a window.

参数:

view - View to invalidate

offsetTopAndBottom

public static void offsetTopAndBottom(android.view.View view,
                                      int offset)

Offset this view's vertical location by the specified number of pixels.

参数:

view - view

offset - the number of pixels to offset the view by

offsetLeftAndRight

public static void offsetLeftAndRight(android.view.View view,
                                      int offset)

Offset this view's horizontal location by the specified amount of pixels.

参数:

view - view

offset - the number of pixels to offset the view by

getAbsoluteGravity

public static int getAbsoluteGravity(int gravity,
                                     int layoutDirection)

Convert script specific gravity to absolute horizontal value.

if horizontal direction is LTR, then START will set LEFT and END will set RIGHT. if horizontal direction is RTL, then START will set RIGHT and END will set LEFT.

参数:

gravity - The gravity to convert to absolute (horizontal) values.

layoutDirection - The layout direction.

返回:

gravity converted to absolute (horizontal) values.

getLayoutDirection

public static int getLayoutDirection(android.view.View view)

canListViewScrollVertical

public static boolean canListViewScrollVertical(android.widget.AbsListView listView,
                                                int direction)

Check if the items in the list can be scrolled in a certain direction.

参数:

listView - listView

direction - Negative to check scrolling up, positive to check scrolling down.

返回:

true if the list can be scrolled in the specified direction, false otherwise.