程序包 ohos.agp.utils

类 LayoutAlignment

java.lang.Object

ohos.agp.utils.LayoutAlignment

public class LayoutAlignment
extends Object

A utility class used to define the horizontal and vertical alignments for components.

This class controls the alignment of a component with its parent component, for example, vertically centered or horizontally left-aligned.

从以下版本开始:

3

字段概要

字段

限定符和类型	字段	说明
static int	BOTTOM	Indicates the bottom alignment for the component.
static int	CENTER	Indicates the centered alignment for the component.
static int	END	Indicates that the component is placed at the end edge in the X axis of the container.
static int	FILL	Indicates vertical and horizontal fill alignment mode for the component.
static int	HORIZONTAL_CENTER	Indicates the horizontally centered alignment for the component.
static int	HORIZONTAL_LAYOUT_ALIGNMENT_MASK	Indicates a binary mask used to obtain a horizontal alignment type.
static int	LEFT	Indicates the left alignment for the component.
static int	RIGHT	Indicates the right alignment for the component.
static int	START	Indicates that the component is placed at the start edge in the X axis of the container.
static int	TOP	Indicates the top alignment for the component.
static int	UNSET	Indicates that no alignment is set for the component.
static int	VERTICAL_CENTER	Indicates the vertically centered alignment for the component.
static int	VERTICAL_LAYOUT_ALIGNMENT_MASK	Indicates a binary mask used to obtain a vertical alignment type.
static int	X_AXIS_CROP	Indicates horizontal crop alignment mode for the component.
static int	X_AXIS_FILL	Indicates horizontal fill alignment mode for the component.
static int	Y_AXIS_CROP	Indicates vertical crop alignment mode for the component.
static int	Y_AXIS_FILL	Indicates vertical fill alignment mode for the component.

构造器概要

构造器

构造器	说明
LayoutAlignment()

方法概要

限定符和类型	方法	说明
static boolean	hasHorizontalAlignment(int layoutAlignment)	Checks whether a given alignment type contains one of the following horizontal alignment modes: LEFT, RIGHT, HORIZONTAL_CENTER, START, END, and CENTER.
static boolean	hasVerticalAlignment(int layoutAlignment)	Checks whether a given alignment type contains one of the following vertical alignment modes: TOP, BOTTOM, VERTICAL_CENTER, and CENTER.

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

BOTTOM

public static final int BOTTOM

Indicates the bottom alignment for the component.

另请参阅:

常量字段值

CENTER

public static final int CENTER

Indicates the centered alignment for the component.

另请参阅:

常量字段值

END

public static final int END

Indicates that the component is placed at the end edge in the X axis of the container.

另请参阅:

常量字段值

FILL

public static final int FILL

Indicates vertical and horizontal fill alignment mode for the component.

从以下版本开始:

7

另请参阅:

常量字段值

HORIZONTAL_CENTER

public static final int HORIZONTAL_CENTER

Indicates the horizontally centered alignment for the component.

另请参阅:

常量字段值

HORIZONTAL_LAYOUT_ALIGNMENT_MASK

public static final int HORIZONTAL_LAYOUT_ALIGNMENT_MASK

Indicates a binary mask used to obtain a horizontal alignment type.

从以下版本开始:

7

另请参阅:

常量字段值

LEFT

public static final int LEFT

Indicates the left alignment for the component.

另请参阅:

常量字段值

RIGHT

public static final int RIGHT

Indicates the right alignment for the component.

另请参阅:

常量字段值

START

public static final int START

Indicates that the component is placed at the start edge in the X axis of the container.

另请参阅:

常量字段值

TOP

public static final int TOP

Indicates the top alignment for the component.

另请参阅:

常量字段值

UNSET

public static final int UNSET

Indicates that no alignment is set for the component.

另请参阅:

常量字段值

VERTICAL_CENTER

public static final int VERTICAL_CENTER

Indicates the vertically centered alignment for the component.

另请参阅:

常量字段值

VERTICAL_LAYOUT_ALIGNMENT_MASK

public static final int VERTICAL_LAYOUT_ALIGNMENT_MASK

Indicates a binary mask used to obtain a vertical alignment type.

从以下版本开始:

7

另请参阅:

常量字段值

X_AXIS_CROP

public static final int X_AXIS_CROP

Indicates horizontal crop alignment mode for the component.

Works only for images that width greater than its container.

从以下版本开始:

7

另请参阅:

常量字段值

X_AXIS_FILL

public static final int X_AXIS_FILL

Indicates horizontal fill alignment mode for the component.

从以下版本开始:

7

另请参阅:

常量字段值

Y_AXIS_CROP

public static final int Y_AXIS_CROP

Indicates vertical crop alignment mode for the component.

Works only for images that height greater than its container.

从以下版本开始:

7

另请参阅:

常量字段值

Y_AXIS_FILL

public static final int Y_AXIS_FILL

Indicates vertical fill alignment mode for the component.

从以下版本开始:

7

另请参阅:

常量字段值

构造器详细资料

LayoutAlignment

public LayoutAlignment()

方法详细资料

hasVerticalAlignment

public static boolean hasVerticalAlignment(int layoutAlignment)

Checks whether a given alignment type contains one of the following vertical alignment modes: TOP, BOTTOM, VERTICAL_CENTER, and CENTER.

参数:

layoutAlignment - Indicates the given alignment type.

返回:

Returns true if the given alignment type contains a vertical alignment mode; returns false otherwise.

从以下版本开始:

7

hasHorizontalAlignment

public static boolean hasHorizontalAlignment(int layoutAlignment)

Checks whether a given alignment type contains one of the following horizontal alignment modes: LEFT, RIGHT, HORIZONTAL_CENTER, START, END, and CENTER.

参数:

layoutAlignment - Indicates the given alignment type.

返回:

Returns true if the given alignment type contains a horizontal alignment mode; returns false otherwise.

从以下版本开始:

7