fix lints

Author: hoc081098

example/lib/home.dart

@@ -64,7 +64,7 @@ class _MyHomePageState extends State<MyHomePage> {
             return Center(
               child: Text(
                 'Error: $error',
-                style: Theme.of(context).textTheme.headline6,
+                style: Theme.of(context).textTheme.titleLarge,
                 textAlign: TextAlign.center,
               ),
             );
@@ -81,7 +81,7 @@ class _MyHomePageState extends State<MyHomePage> {
             return Center(
               child: Text(
                 'Empty',
-                style: Theme.of(context).textTheme.headline6,
+                style: Theme.of(context).textTheme.titleLarge,
                 textAlign: TextAlign.center,
               ),
             );