custom_animation_routes_em 0.0.3

Este paquete me te ayudara al manejo de las transiciones entre las pantalla usando las rutas que definas de una formal muy facil.

example/main.dart

import 'package:flutter/material.dart';
import 'package:custom_animation_routes_em/custom_animation_routes_em.dart';
 
void main() => runApp(MyApp());
 
class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Material App',
      initialRoute: 'page1',
      routes: {
        'page1' : ( _ ) => Page1(),
        'page2' : ( _ ) => Page2()
      },
    );
  }
}

class Page1 extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Page 1'),
        backgroundColor: Colors.transparent,
      ),
      backgroundColor: Colors.blue,
      body: Center(
        child: MaterialButton(
          child: Text('Go to page 2'),
          color: Colors.white,
          onPressed: (){

            RouteTransitions(
              context: context,
              child: Page2(),
              animation: AnimationType.fadeIn,
              duration: Duration(milliseconds: 100),
              replacement: true
            );

          },
        )
      ),
    );
  }
}

class Page2 extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Page 2'),
        backgroundColor: Colors.transparent,
      ),
      backgroundColor: Colors.blueGrey,
      body: Center(
        child: Text('Page2'),
      ),
    );
  }
}