程序包 io.agora.chat.uikit.widget

类 DynamicDrawableSpan

java.lang.Object

android.text.style.CharacterStyle

android.text.style.MetricAffectingSpan

android.text.style.ReplacementSpan

io.agora.chat.uikit.widget.DynamicDrawableSpan

所有已实现的接口:

android.text.style.UpdateAppearance, android.text.style.UpdateLayout

public class DynamicDrawableSpan
extends android.text.style.ReplacementSpan

字段概要

字段

修饰符和类型	字段	说明
static int	ALIGN_BASELINE	A constant indicating that the bottom of this span should be aligned with the baseline of the surrounding text.
static int	ALIGN_BOTTOM	A constant indicating that the bottom of this span should be aligned with the bottom of the surrounding text, i.e., at the same level as the lowest descender in the text.
static int	ALIGN_CENTER	A constant indicating that this span should be vertically centered between the top and the lowest descender.
static int	ALIGN_TOP	A constant indicating that this span should be vertically centered between the top and the lowest descender.
protected int	mVerticalAlignment

构造器概要

构造器

限定符	构造器	说明
	DynamicDrawableSpan()	Creates a DynamicDrawableSpan.
protected	DynamicDrawableSpan(int verticalAlignment)	Creates a DynamicDrawableSpan based on a vertical alignment
	DynamicDrawableSpan(android.graphics.drawable.Drawable drawable)	Creates a DynamicDrawableSpan.
protected	DynamicDrawableSpan(android.graphics.drawable.Drawable drawable, int verticalAlignment)	Creates a DynamicDrawableSpan based on a vertical alignment

方法概要

修饰符和类型	方法	说明
void	draw(android.graphics.Canvas canvas, java.lang.CharSequence text, int start, int end, float x, int top, int y, int bottom, android.graphics.Paint paint)
android.graphics.drawable.Drawable	getDrawable()	Your subclass must implement this method to provide the bitmap to be drawn.
int	getSize(android.graphics.Paint paint, java.lang.CharSequence text, int start, int end, android.graphics.Paint.FontMetricsInt fm)
int	getVerticalAlignment()	Returns the vertical alignment of this span, one of ALIGN_BOTTOM, ALIGN_BASELINE or ALIGN_CENTER.

从类继承的方法 android.text.style.ReplacementSpan

getContentDescription, setContentDescription, updateDrawState, updateMeasureState

从类继承的方法 android.text.style.MetricAffectingSpan

getUnderlying

从类继承的方法 android.text.style.CharacterStyle

wrap

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

ALIGN_BOTTOM

public static final int ALIGN_BOTTOM

A constant indicating that the bottom of this span should be aligned with the bottom of the surrounding text, i.e., at the same level as the lowest descender in the text.

另请参阅:

常量字段值

ALIGN_BASELINE

public static final int ALIGN_BASELINE

A constant indicating that the bottom of this span should be aligned with the baseline of the surrounding text.

另请参阅:

常量字段值

ALIGN_CENTER

public static final int ALIGN_CENTER

A constant indicating that this span should be vertically centered between the top and the lowest descender.

另请参阅:

常量字段值

ALIGN_TOP

public static final int ALIGN_TOP

A constant indicating that this span should be vertically centered between the top and the lowest descender.

另请参阅:

常量字段值

mVerticalAlignment

protected final int mVerticalAlignment

构造器详细资料

DynamicDrawableSpan

public DynamicDrawableSpan()

Creates a DynamicDrawableSpan. The default vertical alignment is ALIGN_BOTTOM

DynamicDrawableSpan

public DynamicDrawableSpan(android.graphics.drawable.Drawable drawable)

Creates a DynamicDrawableSpan. The default vertical alignment is ALIGN_BOTTOM

DynamicDrawableSpan

protected DynamicDrawableSpan(int verticalAlignment)

Creates a DynamicDrawableSpan based on a vertical alignment.\

参数:

verticalAlignment - one of ALIGN_BOTTOM, ALIGN_BASELINE or ALIGN_CENTER

DynamicDrawableSpan

protected DynamicDrawableSpan(android.graphics.drawable.Drawable drawable,
                              int verticalAlignment)

Creates a DynamicDrawableSpan based on a vertical alignment.\

参数:

verticalAlignment - one of ALIGN_BOTTOM, ALIGN_BASELINE or ALIGN_CENTER

方法详细资料

getVerticalAlignment

public int getVerticalAlignment()

Returns the vertical alignment of this span, one of ALIGN_BOTTOM, ALIGN_BASELINE or ALIGN_CENTER.

getDrawable

public android.graphics.drawable.Drawable getDrawable()

Your subclass must implement this method to provide the bitmap to be drawn. The dimensions of the bitmap must be the same from each call to the next.

getSize

public int getSize(@NonNull
                   android.graphics.Paint paint,
                   java.lang.CharSequence text,
                   @IntRange(from=0L)
                   int start,
                   @IntRange(from=0L)
                   int end,
                   @Nullable
                   android.graphics.Paint.FontMetricsInt fm)

指定者:

getSize 在类中 android.text.style.ReplacementSpan

draw

public void draw(@NonNull
                 android.graphics.Canvas canvas,
                 java.lang.CharSequence text,
                 @IntRange(from=0L)
                 int start,
                 @IntRange(from=0L)
                 int end,
                 float x,
                 int top,
                 int y,
                 int bottom,
                 @NonNull
                 android.graphics.Paint paint)

指定者:

draw 在类中 android.text.style.ReplacementSpan