createFlutter: automatically create loading screen that switches over to home

createFlutter

@@ -202,33 +202,39 @@ EOF
 #########################
 cat > lib/main.dart <<EOF
 import 'package:flutter/material.dart';
+import 'screens/loading.dart';
 
-void main() => runApp(MyApp());
-
-class MyApp extends StatelessWidget {
-  @override
-  Widget build(BuildContext context) {
-    return MaterialApp(
-      title: '$appName',
-      theme: ThemeData(
-        primarySwatch: Colors.blue,
-      ),
-      home: MyHomePage(title: '$appName'),
-    );
-  }
+void main() {
+  runApp(MaterialApp(
+    theme: ThemeData(
+      primarySwatch: Colors.blue,
+    ),
+    home: Loading(),
+  ));
 }
 
-class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
-  final String title;
+EOF
+
+####################################
+## create loading and home screen ##
+####################################
+
+mkdir lib/screens
+
+cat > lib/screens/home.dart <<EOF
+import 'package:flutter/material.dart';
+
+class Home extends StatefulWidget {
+  Home({Key key}) : super(key: key);
+  static const title = '$appName';
 
   @override
-  _MyHomePageState createState() => _MyHomePageState();
+  _HomeState createState() => _HomeState();
 }
 
-class _MyHomePageState extends State<MyHomePage> {
+class _HomeState extends State<Home> {
   int state = 1;
-  
+
   void _changeState(int s) {
     setState(() {
       state = s;
@@ -241,7 +247,7 @@ class _MyHomePageState extends State<MyHomePage> {
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text(widget.title),
+        title: Text(Home.title),
         actions: <Widget>[
           PopupMenuButton<String>(
             onSelected: (String value) => handleClick(context, value),
@@ -268,10 +274,48 @@ class _MyHomePageState extends State<MyHomePage> {
   void handleClick(BuildContext context, String value) {
     switch (value) {
       case 'About':
-        showLicensePage(context: context, applicationName: widget.title);
+        showLicensePage(context: context, applicationName: Home.title);
     }
   }
 }
+
+EOF
+
+
+cat > lib/screens/loading.dart <<EOF
+import 'package:flutter/material.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'home.dart';
+
+class Loading extends StatefulWidget {
+  @override
+  _LoadingState createState() => _LoadingState();
+}
+
+class _LoadingState extends State<Loading> {
+  void load() async {
+    await Future.delayed(Duration.zero, () {});
+    // load some stuff here and await results
+    Navigator.pushReplacement(context,
+        MaterialPageRoute(builder: (context) => Home()));
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    load();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: SafeArea(
+        child: Text("Loading..."),
+      ),
+    );
+  }
+}
+
 EOF