Android How to Program, 3/e

... indented twice. forward slash forward slash attach a custom Item Decorator to draw dividers between list items. Line 71, indented twice. recycler View period add Item Decoration left parenthesis new Item Divider left parenthesis get Context left parenthesis right parenthesis right parenthesis right parenthesis semicolon. Line 72. blank. Line 73, indented twice. forward slash forward slash improves performance if Recycler View's layout size never changes. Line 74, indented twice. recycler View period set Has Fixed Size left parenthesis true right parenthesis semicolon. Line 75. blank. Line 76, indented twice. forward slash forward slash get the Floating Action Button and configure its listener. Line 77, indented twice. Floating Action Button a