Want to change text color of AppBar, icon color of FAB universally using theme? 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),
),
),
);
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