public void updateSizes(String maxValue) {
        dismissComplete();
        if (mPopupView != null) {
            mPopupView.mMarker.resetSizes(maxValue);
        }
    }
Class to manage the floating bubble thing, similar (but quite worse tested than {@link android.widget.PopupWindow}
<p/>
<p>
This will attach a View to the Window (full-width, measured-height, positioned just under the thumb)
</p>

@hide
@see #showIndicator(View, Rect)
@see #dismiss()
@see #dismissComplete()
app/src/main/java/com/duan/musicoco/view/discreteseekbar/internal/PopupIndicator.java