criada tela_splash.dart

lib/main.dart

@@ -1,7 +1,7 @@
 import 'dart:io';
 import 'package:flutter/material.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
-import 'package:rkm_educa_app/telas/tela_login.dart';
+import 'package:rkm_educa_app/telas/tela_splash.dart';
 
 class PostHttpOverrides extends HttpOverrides{
   @override
@@ -32,7 +32,7 @@ class MyApp extends StatelessWidget {
       ],
       debugShowCheckedModeBanner: false,
       locale: const Locale('pt'),
-      home: TelaLogin(),
+      home: TelaSplash(),
     );
   }
 }

lib/telas/tela_login.dart

@@ -75,9 +75,6 @@ class _TelaLoginState extends State<TelaLogin> {
 
   @override
   Widget build(BuildContext context) {
-
-    Dimensoes().init(context);
-
     return Scaffold(
         backgroundColor: PaletaCores.branco,
         body: Center(

lib/telas/tela_splash.dart

@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+import 'package:rkm_educa_app/telas/tela_login.dart';
+import 'package:rkm_educa_app/utils/cores.dart';
+import '../utils/dimensoes.dart';
+
+class TelaSplash extends StatefulWidget {
+  const TelaSplash({Key? key}) : super(key: key);
+
+  @override
+  State<TelaSplash> createState() => _TelaSplashState();
+}
+
+class _TelaSplashState extends State<TelaSplash> {
+
+  carregar()async{
+    Future.delayed(Duration(seconds: 3),(){
+      Navigator.pushReplacement(context, MaterialPageRoute(builder: (context)=>TelaLogin()));
+    });
+  }
+
+  @override
+  void initState() {
+    super.initState();
+    carregar();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    Dimensoes().init(context);
+    return Scaffold(
+      body: Center(
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            Container(
+                child: Image.asset("assets/images/logoEduca.png",width:Dimensoes.width * 0.4,height: Dimensoes.height * 0.15)
+            ),
+            CircularProgressIndicator(color: PaletaCores.cinzaClaro,)
+          ],
+        ),
+      ),
+    );
+  }
+}