question: private void adjustMinPrefForSpanningComps ( DimConstraint [ ] specs , Float [ ] defPush , FlowSizeSpec fss , ArrayList < LinkedDimGroup > [ ] groupsLists ) { for ( int r = groupsLists . length - 1 ; r >= 0 ; r -- ) { ArrayList < LinkedDimGroup > groups = groupsLists [ r ] ; for ( LinkedDimGroup group : groups ) { if ( group . span == 1 ) { continue ; } int [ ] sizes = group . getMinPrefMax ( ) ; for ( int s = LayoutUtil . MIN ; s <= LayoutUtil . PREF ; s ++ ) { int cSize = sizes [ s ] ; if ( cSize == LayoutUtil . NOT_SET ) { continue ; } int rowSize = 0 ; int sIx = ( r << 1 ) + 1 ; int len = Math . min ( ( group . span << 1 ) , fss . sizes . length - sIx ) - 1 ; for ( int j = sIx ; j < sIx + len ; j ++ ) { int sz = fss . sizes [ j ] [ s ] ; if ( sz != LayoutUtil . NOT_SET ) { rowSize += sz ; } } if ( rowSize < cSize && len > 0 ) { for ( int eagerness = 0 , newRowSize = 0 ; eagerness < 4 && newRowSize < cSize ; eagerness ++ ) { newRowSize = fss . expandSizes ( specs , defPush , cSize , sIx , len , s , eagerness ) ; } } } } } }
target:  Adjust min/pref size for columns(or rows) that has components that spans multiple columns (or rows).