IT. Expert System.

All Implemented Interfaces:

UpdateAppearance, UpdateLayout

Direct Known Subclasses:

ImageSpan

public abstract class DynamicDrawableSpan
extends ReplacementSpan

• Field Summary

  Fields

  Modifier and Type	Field and Description
  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.
  protected int	mVerticalAlignment

• Constructor Summary

  Constructors

  Modifier	Constructor and Description
  	DynamicDrawableSpan()
  protected	DynamicDrawableSpan(int verticalAlignment)

• Method Summary

  Methods

  Modifier and Type	Method and Description
  void	draw(Canvas canvas, CharSequence text, int start, int end, float x, int top, int y, int bottom, Paint paint)
  abstract Drawable	getDrawable() Your subclass must implement this method to provide the bitmap to be drawn.
  int	getSize(Paint paint, CharSequence text, int start, int end, Paint.FontMetricsInt fm)
  int	getVerticalAlignment() Returns the vertical alignment of this span, one of ALIGN_BOTTOM or ALIGN_BASELINE.

  • Methods inherited from class android.text.style.ReplacementSpan

    updateDrawState, updateMeasureState

  • Methods inherited from class android.text.style.MetricAffectingSpan

    getUnderlying

  • Methods inherited from class android.text.style.CharacterStyle

    wrap

  • Methods inherited from class java.lang.Object

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

• Field Detail

  • 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.

    See Also:

    Constant Field Values

  • 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.

    See Also:

    Constant Field Values

  • mVerticalAlignment

    protected final int mVerticalAlignment

• Constructor Detail

  • DynamicDrawableSpan

    public DynamicDrawableSpan()

  • DynamicDrawableSpan

    protected DynamicDrawableSpan(int verticalAlignment)

    Parameters:

    verticalAlignment - one of ALIGN_BOTTOM or ALIGN_BASELINE.

• Method Detail

  • getVerticalAlignment

    public int getVerticalAlignment()

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

  • getDrawable

    public abstract 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(Paint paint,
              CharSequence text,
              int start,
              int end,
              Paint.FontMetricsInt fm)

    Specified by:

    getSize in class ReplacementSpan

  • draw

    public void draw(Canvas canvas,
            CharSequence text,
            int start,
            int end,
            float x,
            int top,
            int y,
            int bottom,
            Paint paint)

    Specified by:

    draw in class ReplacementSpan