question: public void clearPartitions ( ) { if ( mSize == 0 ) { return ; } for ( int i = 0 ; i < mSize ; i ++ ) { List < T > list = mPartitions [ i ] . list ; if ( list != null ) { list . clear ( ) ; mPartitions [ i ] . list = list = null ; } } mSize = 0 ; invalidate ( ) ; notifyDataSetChanged ( ) ; }
target:  Removes cursors for all partitions.