introduction_screen 1.0.4

Introduction/Onboarding package for flutter app with some customizations possibilities

IntroductionScreen

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.

Installation

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

dependencies:
  introduction_screen: ^1.0.4

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)

new PageViewModel(
  "Title of first page",
  "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 (background but also the dot indicator color)

new PageViewModel(
  "Title of first page",
  "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,
    dotsDecorator: DotsDecorator(
      activeColor: Colors.red,
    )
  ),
)

Page with custom text style

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

new PageViewModel(
  "Title of first page",
  "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),
  ),
)

Page with a footer, like a button

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

new PageViewModel(
  "Title of first page",
  "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 !"),
  ),
);

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

new 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

new 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

new 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))
);

Others parameters

There is other possibles parameters that you can add :

• Freeze the scroll, by adding freeze: true parameter.
• Duration of scrolling animation, by adding animationDuration: 400 parameter.
• Initial page, by adding initialPage: 1 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)