Android Drawable （android 6.0）

Drawable

extends Object

java.lang.Object   ↳android.graphics.drawable.DrawableKnown Direct Subclasses

AnimatedVectorDrawable, BitmapDrawable, ColorDrawable, DrawableContainer, DrawerArrowDrawable, GradientDrawable, LayerDrawable, NinePatchDrawable,

PictureDrawable, RoundedBitmapDrawable, ShapeDrawable, VectorDrawable

Known Indirect Subclasses

AnimatedStateListDrawable, AnimationDrawable, ClipDrawable, InsetDrawable, LevelListDrawable, PaintDrawable, RippleDrawable, RotateDrawable, ScaleDrawable,

StateListDrawable, TransitionDrawable

    /**     * Create a drawable from inside an XML document using an optional     * {@link Theme}. Called on a parser positioned at a tag in an XML     * document, tries to create a Drawable from that tag. Returns {@code null}     * if the tag is not a valid drawable.     */    public static Drawable createFromXmlInner(Resources r, XmlPullParser parser, AttributeSet attrs,            Theme theme) throws XmlPullParserException, IOException {        final Drawable drawable;        final String name = parser.getName();        if (name.equals("selector")) {            drawable = new StateListDrawable();        } else if (name.equals("animated-selector")) {            drawable = new AnimatedStateListDrawable();        } else if (name.equals("level-list")) {            drawable = new LevelListDrawable();        } else if (name.equals("layer-list")) {            drawable = new LayerDrawable();        } else if (name.equals("transition")) {            drawable = new TransitionDrawable();        } else if (name.equals("ripple")) {            drawable = new RippleDrawable();        } else if (name.equals("color")) {            drawable = new ColorDrawable();        } else if (name.equals("shape")) {            drawable = new GradientDrawable();        } else if (name.equals("vector")) {            drawable = new VectorDrawable();        } else if (name.equals("animated-vector")) {            drawable = new AnimatedVectorDrawable();        } else if (name.equals("scale")) {            drawable = new ScaleDrawable();        } else if (name.equals("clip")) {            drawable = new ClipDrawable();        } else if (name.equals("rotate")) {            drawable = new RotateDrawable();        } else if (name.equals("animated-rotate")) {            drawable = new AnimatedRotateDrawable();        } else if (name.equals("animation-list")) {            drawable = new AnimationDrawable();        } else if (name.equals("inset")) {            drawable = new InsetDrawable();        } else if (name.equals("bitmap")) {            //noinspection deprecation            drawable = new BitmapDrawable(r);            if (r != null) {               ((BitmapDrawable) drawable).setTargetDensity(r.getDisplayMetrics());            }        } else if (name.equals("nine-patch")) {            drawable = new NinePatchDrawable();            if (r != null) {                ((NinePatchDrawable) drawable).setTargetDensity(r.getDisplayMetrics());             }        } else {            throw new XmlPullParserException(parser.getPositionDescription() +                    ": invalid drawable tag " + name);        }        drawable.inflate(r, parser, attrs, theme);        return drawable;    }

/** * @hide */public class AnimatedRotateDrawable extends DrawableWrapper implements Animatable