estethic

main.dart

import 'package:flutter/material.dart';

void main() => runApp(MyApp());

final config = {
  'primaryColor': Colors.grey[200],
  
};
double myOffset = -200.0;

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        primaryColor: config['primaryColor'],
        floatingActionButtonTheme: FloatingActionButtonThemeData(
          elevation: 35,
          highlightElevation: 20,
          foregroundColor: Colors.grey[800],
        ),
        accentColor: Colors.grey[200],
      ),
      home: MyHomePage(title: 'Flutter Demo Home Page'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);

  final String title;

  @override
  _MyHomePageState createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {


  @override
  Widget build(BuildContext context) {
    
    return Scaffold(
      appBar: AppBar(
        elevation: 0,
        title: Text(widget.title),
      ),
      body: Stack(
        children: <Widget>[
          Transform.translate(
            offset: Offset(myOffset, 15.0),
            child: Image.asset('assets/images/pngbarn1.png'),
          ),
        ],
      ),
      floatingActionButton:
          FloatingActionButton(child: Icon(Icons.ac_unit), onPressed: () {
            setState(() {
              myOffset = myOffset +15;
            });
          }),
    );
  }
}