Flutter add theme
MaterialApp(
title: appName,
theme: ThemeData(
// Define the default brightness and colors.
brightness: Brightness.dark,
primaryColor: Colors.lightBlue[800],
accentColor: Colors.cyan[600],
// Define the default font family.
fontFamily: 'Georgia',
// Define the default TextTheme. Use this to specify the default
// text styling for headlines, titles, bodies of text, and more.
textTheme: TextTheme(
headline1: TextStyle(fontSize: 72.0, fontWeight: FontWeight.bold),
headline6: TextStyle(fontSize: 36.0, fontStyle: FontStyle.italic),
bodyText2: TextStyle(fontSize: 14.0, fontFamily: 'Hind'),
),
),
home: MyHomePage(
title: appName,
),
);