How to change text color of AppBar, icon color of FAB universally using theme?

Question

I am able to set the background color of AppBar to Colors.amber. This automatically sets the text color to Black. I am aware of the accessibility i

Answer 1

Here is the way you can set the AppBar Title color.

return new MaterialApp(
  theme: Theme.of(context).copyWith(
      accentIconTheme: Theme.of(context).accentIconTheme.copyWith(
        color: Colors.white
      ),
      accentColor: Colors.amber,
      primaryColor: Colors.amber,
      primaryIconTheme: Theme.of(context).primaryIconTheme.copyWith(
        color: Colors.white
      ),
      primaryTextTheme: Theme
          .of(context)
          .primaryTextTheme
          .apply(bodyColor: Colors.white)),
  home: Scaffold(
    appBar: AppBar(
      title: Text("Theme Demo"),
      leading: IconButton(
        onPressed: (){},
        icon: Icon(Icons.menu),
      ),
    ),
    floatingActionButton: FloatingActionButton(
      child: Icon(Icons.add),
    ),
  ),
);