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Introduction/Onboarding package for flutter app with some customizations possibilities

IntroductionScreen pub package #

Introduction screen allow you to have a screen at launcher for example, where you can explain your app. This Widget is customizable (more in the future) with a great design.

Introduction_screen use another package, dots_indicator, that I also created.

Demo

Installation #

You just need to add introduction_screen as a dependency in your pubspec.yaml file.

dependencies:
  introduction_screen: ^1.0.7

Example #

In these example, listPagesViewModel is the list of pages. A page is base on PageViewModel. See example of a PageViewModel below.

PageViewModel #

Simple page #

This example only define title, body and an image (you can define any widget)

PageViewModel(
  title: "Title of first page",
  body: "Here you can write the description of the page, to explain someting...",
  image: Center(
    child: Image.network("https://domaine.com/image.png", height: 175.0),
  ),
)

Page with custom colors #

This example show you how to define the color of the page

PageViewModel(
  title: "Title of first page",
  body: "Here you can write the description of the page, to explain someting...",
  image: Center(child: Image.asset("res/images/logo.png", height: 175.0)),
  decoration: const PageDecoration(
    pageColor: Colors.blue,
  ),
)

Page with custom text style #

This example show you how to define another TextStyle for the title and the body

PageViewModel(
  title: "Title of first page",
  body: "Here you can write the description of the page, to explain someting...",
  image: const Center(child: Icon(Icons.android)),
  decoration: const PageDecoration(
    titleTextStyle: TextStyle(color: Colors.orange),
    bodyTextStyle: TextStyle(fontWeight: FontWeight.w700, fontSize: 20.0),
  ),
)

This example show you how to define a page with a footer, like a Button

PageViewModel(
  title: "Title of first page",
  body: "Here you can write the description of the page, to explain someting...",
  image: const Center(child: Icon(Icons.android)),
  footer: RaisedButton(
    onPressed: () {
      // On button presed
    },
    child: const Text("Let's Go !"),
  ),
);

Page with widget body #

This example show you how to define a page with a body as Widget and not a simple String You can to the same this for title, with titleWidget parameter.

PageViewModel(
  title: "Title of first page",
  bodyWidget: Row(
    mainAxisAlignment: MainAxisAlignment.center,
    children: const [
      Text("Click on "),
      Icon(Icons.edit),
      Text(" to edit a post"),
    ],
  ),
  image: const Center(child: Icon(Icons.android)),
);

IntroductionScreen #

Note :

If you not provide next parameter, the Next button will be not displayed. If you want to display a skip button, you must add skip parameter and showSkipButton: true.

The done parameter is required.

Simple intro screen #

Simple intro screen

IntroductionScreen(
  pages: listPagesViewModel,
  done: const Text("Done", style: TextStyle(fontWeight: FontWeight.w600))
  onDone: () {
    // When done button is press
  },
); //Material App

Intro screen with skip button #

IntroductionScreen(
  pages: listPagesViewModel,
  onDone: () {
    // When done button is press
  },
  showSkipButton: true,
  skip: const Text("Skip"),
  done: const Text("Done", style: TextStyle(fontWeight: FontWeight.w600)),
);

Intro screen with custom button text and dots indicators #

IntroductionScreen(
  pages: listPagesViewModel,
  onDone: () {
    // When done button is press
  },
  onSkip: () {
    // You can also override onSkip callback
  },
  showSkipButton: true,
  skip: const Icon(Icons.skip_next),
  next: const Icon(Icons.next),
  done: const Text("Done", style: TextStyle(fontWeight: FontWeight.w600)),
  dotsDecorator: DotsDecorator(
    size: const Size.square(10.0),
    activeSize: const Size(20.0, 10.0),
    activeColor: theme.accentColor,
    color: Colors.black26,
    spacing: const EdgeInsets.symmetric(horizontal: 3.0),
    activeShape: RoundedRectangleBorder(
      borderRadius: BorderRadius.circular(25.0)
    )
  ),
);

Others parameters #

There is other possibles parameters that you can add :

  • Freeze the scroll, by adding freeze: true parameter.
  • Hide dots indicators, by adding isProgress: false parameter.
  • Duration of scrolling animation, by adding animationDuration: 400 parameter.
  • Global background color, by adding globalBackgroundColor: Colors.blue parameter.
  • Initial page, by adding initialPage: 1 parameter.
  • Hide next button, by adding showNextButton: false parameter.
  • Skip button flex, by adding skipFlex: 1 parameter. (Set 0 to disable Expanded behaviour)
  • Dots indicator flex, by adding dotsFlex: 1 parameter. (Set 0 to disable Expanded behaviour)
  • Next/Done button flex, by adding nextFlex: 1 parameter. (Set 0 to disable Expanded behaviour)
  • Animation type between pages, by adding curve parameter.
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Introduction/Onboarding package for flutter app with some customizations possibilities

Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

dots_indicator, flutter

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