SeekBarWidget.java 文件源码

/**
 * Updates a scale level of the given <var>drawable</var> according to the specified scale
 * value.
 *
 * @param drawable The drawable of which scale level to update.
 * @param scale    The scale value from the range {@code [0.0, 1.0]}.
 */
private void updateDrawableScale(Drawable drawable, float scale) {
    if (drawable instanceof ScaleDrawable) drawable.setLevel(Math.round(scale * MAX_LEVEL));
}