import 'package:flutter/material.dart'; class SearchPage extends StatelessWidget { @override Widget build(BuildContext context) { return Scaffold( appBar: AppBar( title: Hero( tag: "search", flightShuttleBuilder: (BuildContext flightContext, Animation animation, HeroFlightDirection flightDirection, BuildContext fromHeroContext, BuildContext toHeroContext) => Material(child: toHeroContext.widget), child: TextField( autofocus: true, decoration: InputDecoration( border: InputBorder.none, hintText: 'Search your photos', contentPadding: const EdgeInsets.all(0.0), ), ), ), actions: [ // action button IconButton( icon: Icon(Icons.search), onPressed: () {}, ) ], ), ); } }