flutter_native_splash 1.3.2

Customize Flutter's default white native splash screen with background color and splash image. Supports dark mode, full screen, and more.

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  SystemChrome.setEnabledSystemUIMode(SystemUiMode.manual,
      overlays: [SystemUiOverlay.bottom, SystemUiOverlay.top]);
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({Key? key}) : super(key: key);

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return FutureBuilder(
      future: Init.instance.initialize(),
      builder: (context, AsyncSnapshot snapshot) {
        // Show splash screen while waiting for app resources to load:
        if (snapshot.connectionState == ConnectionState.waiting) {
          return const MaterialApp(home: Splash());
        } else {
          // Loading is done, return the app:
          return MaterialApp(
            title: 'Flutter Demo',
            theme: ThemeData(
              // This is the theme of your application.
              //
              // Try running your application with "flutter run". You'll see the
              // application has a blue toolbar. Then, without quitting the app, try
              // changing the primarySwatch below to Colors.green and then invoke
              // "hot reload" (press "r" in the console where you ran "flutter run",
              // or simply save your changes to "hot reload" in a Flutter IDE).
              // Notice that the counter didn't reset back to zero; the application
              // is not restarted.
              primarySwatch: Colors.blue,
            ),
            home: const MyHomePage(title: 'Flutter Demo Home Page'),
          );
        }
      },
    );
  }
}

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

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          // Column is also a layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Invoke "debug painting" (press "p" in the console, choose the
          // "Toggle Debug Paint" action from the Flutter Inspector in Android
          // Studio, or the "Toggle Debug Paint" command in Visual Studio Code)
          // to see the wireframe for each widget.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            const Text(
              'You have pushed the button this many times:',
            ),
            Text(
              '$_counter',
              style: Theme.of(context).textTheme.headline4,
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _incrementCounter,
        tooltip: 'Increment',
        child: const Icon(Icons.add),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}

class Splash extends StatelessWidget {
  const Splash({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    bool lightMode =
        MediaQuery.of(context).platformBrightness == Brightness.light;
    return Scaffold(
      backgroundColor:
          lightMode ? const Color(0xffe1f5fe) : const Color(0xff042a49),
      body: Center(
          child: lightMode
              ? Image.asset('assets/splash.png')
              : Image.asset('assets/splash_dark.png')),
    );
  }
}

class Init {
  Init._();
  static final instance = Init._();

  Future initialize() async {
    // This is where you can initialize the resources needed by your app while
    // the splash screen is displayed.  Remove the following example because
    // delaying the user experience is a bad design practice!
    await Future.delayed(const Duration(seconds: 3));
  }
}