Flutter Tips #1: Creating an Introduction Screen in Flutter

If you're developing a Flutter app, you might want to introduce your users to its features before they start using it. A great way to do this is by adding an introduction screen. Today, I'll show you how to easily create an introduction screen in Flutter using the introduction_screen package.

Why Use an Introduction Screen?

An introduction screen helps: ?? Guide new users through app features ?? Improve user engagement ?? Provide an onboarding experience ?? Highlight key functionalities

Many apps, such as Google Photos and Evernote, use introduction screens to educate users before they dive into the app.

Setting Up introduction_screen

1?? Install the Package

Add the following dependency in your pubspec.yaml file:

dependencies:
  introduction_screen: ^3.1.0
        

Then, run:

flutter pub get
        

2?? Implement the Introduction Screen

Now, let's create an introduction screen with multiple slides:

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

void main() {
  runApp(MyApp());
}

class MyApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: OnboardingScreen(),
    );
  }
}

class OnboardingScreen extends StatelessWidget {
  final List<PageViewModel> pages = [
    PageViewModel(
      title: "Welcome to MyApp!",
      body: "Discover amazing features to enhance your experience.",
      image: Center(
        child: Image.asset("assets/welcome.png", height: 200),
      ),
      decoration: const PageDecoration(
        titleTextStyle: TextStyle(fontSize: 24, fontWeight: FontWeight.bold),
        bodyTextStyle: TextStyle(fontSize: 16),
      ),
    ),
    PageViewModel(
      title: "Stay Organized",
      body: "Manage your tasks efficiently with our intuitive tools.",
      image: Center(
        child: Image.asset("assets/tasks.png", height: 200),
      ),
    ),
    PageViewModel(
      title: "Get Started!",
      body: "Sign up now and start exploring!",
      image: Center(
        child: Image.asset("assets/start.png", height: 200),
      ),
    ),
  ];

  @override
  Widget build(BuildContext context) {
    return IntroductionScreen(
      pages: pages,
      onDone: () {
        // Navigate to the main app screen
      },
      onSkip: () {
        // Skip the intro and go to the main app
      },
      showSkipButton: true,
      skip: const Text("Skip"),
      next: const Icon(Icons.arrow_forward),
      done: const Text("Done", style: TextStyle(fontWeight: FontWeight.bold)),
      dotsDecorator: DotsDecorator(
        size: const Size(10.0, 10.0),
        activeSize: const Size(22.0, 10.0),
        activeColor: Colors.blue,
        color: Colors.black26,
        spacing: const EdgeInsets.symmetric(horizontal: 3.0),
        activeShape: RoundedRectangleBorder(
          borderRadius: BorderRadius.circular(25.0),
        ),
      ),
    );
  }
}
        

3?? Run the App

Execute the following command:

flutter run
        

Now, your app will display a beautiful introduction screen!

Customization Options

? Change background color and text styles using PageDecoration ? Add more slides with different content ? Customize the skip, next, and done buttons ? Add animations and transitions for a smoother user experience

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