ListView.pptx

ListView.pptx

• 1.
  ListView
• 2.
  Introduction Nabin Dhakal(/nabindhakal) @nabin.dhakal NabinDhakal(/nabin.dhakal.714) Flutter Junction ndhakal10@gmail.com nbnD
• 3.
  ListView ● It isa widget that is used to display items in a linear manner. ● It has different types of scrolling behaviour. ● It displays its children one after another in either in vertical or horizontal manner.
• 4.
  Types 1. ListView 2. ListView.builder 3.ListView.separated 4. ListView.custom
• 5.
  1. ListView 1. Itis a default constructor that takes list of children. 1. It is appropriate for a small number of children. 1. Use it to display a static list of children whose count does not change.
• 6.
  Use ListView
• 7.
  2. ListView.builder 1. Ittakes an IndexedWidgetBuilder, which builds the children on demand. 1. It is basically used for the list views with large number of children.
• 8.
  Use ListView.builder
• 9.
  3. ListView.separated 1. Itis used to generate the list like others but also here we can specify the separated widget between each item. 1. It is appropriate for list views with a fixed number of children.
• 10.
  Use ListView.separated
• 11.
  4. ListView.custom 1. Itis used to build ListViews with custom functionality for the how the children are built. 1. The main parameter required for this is a SliverChildDelegate which builds the items.
• 12.
  Use ListView.custom
• 13.
  Thank You!!! Nabin Dhakal(nabindhakal/)@nabin.dhakal Nabin Dhakal(/nabin.dhakal.714) Flutter Junction ndhakal10@gmail.com nbnD