public void setMarkerPaddingTop(int markerPaddingTop) {
        mMarkerPaddingTop = markerPaddingTop;
        initTimeline();
    }
Sets marker top padding
@param markerPaddingTop the top padding to marker, works only in horizontal orientation
timelineview/src/main/java/com/github/vipulasri/timelineview/TimelineView.java