SeekBarWidget.java 文件源码

/**
 * Returns the current discrete indicator's drawable.
 * <p>
 * <b>Note, that on pre {@link android.os.Build.VERSION_CODES#LOLLIPOP LOLLIPOP} Android versions
 * this method will return an instance of {@link TintDrawable TintDrawable} if tint has been applied
 * via {@link #setDiscreteIndicatorTintList(ColorStateList)}.</b>
 * <p>
 * The original wrapped indicator drawable can be obtained via {@link TintDrawable#getDrawable()}.
 *
 * @return Discrete indicator's drawable.
 * @see #setDiscreteIndicator(android.graphics.drawable.Drawable)
 */
@Nullable
public Drawable getDiscreteIndicator() {
    if (mDiscreteIndicator instanceof ScaleDrawable)
        return ((ScaleDrawable) mDiscreteIndicator).getDrawable();
    else
        return mDiscreteIndicator;
}