// Use assert to display messages when running in debug mode, as assert runs only when in Debug mode
// https://stackoverflow.com/questions/49707028/check-if-running-app-is-in-debug-mode
// note the () at the end, and return a boolean
assert(() {
if (something == null || somethingElse == null) {
throw new FlutterError(
'Something or other went wrong\n'
'And should probably be fixed.'
);
}
return true;
}());
// setting the colors of a bottom navigation bar
// https://stackoverflow.com/questions/49927929/flutter-bottomnavigationbar-colors
bottomNavigationBar: new BottomNavigationBar(
// this is the needed part to control the colors
type: BottomNavigationBarType.fixed,
// this is the icon color, defaults to the ThemeData.primaryColor
fixedColor: Colors.orange,
items: [
new BottomNavigationBarItem(
icon: new Icon(Icons.home),
title: new Text("home")
),
]