1.ListView
Usage scenarios: user center, news list, etc.
List classification: vertical list, vertical graphic list, horizontal list, dynamic list
Common parameters:
scrollDirection: Axis.horizontal horizontal list, Axis.vertical vertical list
padding, children (list elements), resolve (reverse sorting of components)
Note: Add Container directly to ListView, the default vertical list, the width is adaptive, the setting has no effect; the direction is set to the horizontal list, the height is adaptive, the setting has no effect. If you want to set the width and height, you need to wrap a layer of sizedBox outside the ListView
ListView.builder implements a circular list:
2. GridView grid component
Usage scenario: product list
GridView.count and GridView.extent realize grid layout; GridView.builder realize dynamic grid layout
Common properties:
3. Row horizontal layout component, Column vertical layout component
Attributes:
The sorting method of the main axis is relative to its own component, and the sorting method of the secondary axis is relative to the outer component
4. Flexible layout Flex Expanded
Expandedcomponents are generally used in Row, Column, and Flex components
Achievement effect: take one copy on the left and two copies on the right
5.StackCascading layout components
You can use Stackcombined with Align or Stack with Positiond to realize the positioning layout of the page
Stackpositioned relative to the outer container, or relative to the entire screen if there is no outer container
The height and width set by Positiond are the height and width of the subcomponent, not its own
FlutterMediaQuery get screen width and height
