Flutter widgets

• Text
  
  
• row, column
  
  
• Container
  
  
• Stack
  
  
• BoxDecoration, TextStyle, Padding, SizeBox
  
  
• ListView, GridView, SingleChildScrollView
  
  
• Expanded, Flex
  
  
• InkWell, GestureDetector

Stateless widgets

Stateless widgets never change

Ex: icon, container, text

Stateful widgets

if a widget can change, when the user interacts with it, 

its's stateful 

it's dynamic

widget's state is stored in a state object

Ex: Checkbox, radio , slider, Form , TextField

Navigation

Navigator.push(

    context,

    MaterialPAgeRoute(builder:(context) => SecondRoute()).

);

Navigator.pop(context);