public void setCoveredFadeColor(int color) {
        mCoveredFadeColor = color;
        requestLayout();
    }
Set the color used to fade the pane covered by the sliding pane out when the pane
will become fully covered in the expanded state.

@param color An ARGB-packed color value
app/src/main/java/home/smart/fly/animations/widget/slidepanel/SlidingUpPanelLayout.java