re-run(cntl + shift + ) is cumbersome. –> hot reload allow automatic reloading as developer changes the code. Stateless widgets is the key to hot reload. More reusable.
stless + tab
: Create custom stateless widget class
Simply saving the .dart file reflect the changes in emulator.
void main() {
runApp(MaterialApp(
home: Home(), // call stateless widget
));
}
class Home extends StatelessWidget {
@override // Redefine build method: This allow the build Widget below to be used instead of the build inherited from ancestor
Widget build(BuildContext context) { // This allow automatic loading
return Scaffold(
appBar: AppBar(
title: Text("Hello Shaun!"),
centerTitle: true,
backgroundColor: Colors.cyan[300], // Material design pallet
),
body: Center(
child: Text(
"My first app",
style: TextStyle( // select TextStyle by clicking and cntl+q gives style options
fontSize: 20.0,
fontWeight: FontWeight.bold,
letterSpacing: 2.0,
color: Colors.grey[600],
fontFamily: "HachiMaru", // What font is called in pubspec.yaml
// Font can be downloaded in [google fonts](https://fonts.google.com/)
// Make fonts directory in project and drag and drop the .ttf file inside the font folder
),
),
),
floatingActionButton: FloatingActionButton(
onPressed: () {},
child: Text('click'),
backgroundColor: Colors.blueGrey[800],
),
);
}
}