Flutter
Set up
Get all packages based on pubspec.yaml.
$ flutter packages get
Running "flutter packages get" in a1... 1.0s
Programming Notes
runApp() function takes the given Widget and makes it the root of the widget tree. The following makes the Center widget the root.
void main() {
runApp(
Center: Text(
'Hello, world!',
textDirection: TextDirection.ltr
)
);
}