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Simple and configurable app introduction slider for Flutter
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README.md

FLUTTER INTRO SLIDER

A plugin to help you make intro screens to show the major features of your app. You can change the image, button, text style, color, and more things. Create intro screens is never been more quick and easy than this

Add to pubspec.yaml file

dependencies:
  intro_slider: ^2.2.2

Import

import 'package:intro_slider/intro_slider.dart';

Demo

default custom 1 custom 2

Example

Default config

default config image

class IntroScreenState extends State<IntroScreen> {
  List<Slide> slides = new List();

  @override
  void initState() {
    super.initState();

    slides.add(
      new Slide(
        title: "ERASER",
        description: "Allow miles wound place the leave had. To sitting subject no improve studied limited",
        pathImage: "images/photo_eraser.png",
        backgroundColor: Color(0xfff5a623),
      ),
    );
    slides.add(
      new Slide(
        title: "PENCIL",
        description: "Ye indulgence unreserved connection alteration appearance",
        pathImage: "images/photo_pencil.png",
        backgroundColor: Color(0xff203152),
      ),
    );
    slides.add(
      new Slide(
        title: "RULER",
        description:
        "Much evil soon high in hope do view. Out may few northward believing attempted. Yet timed being songs marry one defer men our. Although finished blessing do of",
        pathImage: "images/photo_ruler.png",
        backgroundColor: Color(0xff9932CC),
      ),
    );
  }

  void onDonePress() {
    // Do what you want
  }

  @override
  Widget build(BuildContext context) {
    return new IntroSlider(
      slides: this.slides,
      onDonePress: this.onDonePress,
    );
  }
}

Custom config

custom config image

class IntroScreenState extends State<IntroScreen> {
  List<Slide> slides = new List();

  @override
  void initState() {
    super.initState();

    slides.add(
      new Slide(
        title:
            "A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE A VERY LONG TITLE",
        maxLineTitle: 2,
        styleTitle:
            TextStyle(color: Colors.white, fontSize: 30.0, fontWeight: FontWeight.bold, fontFamily: 'RobotoMono'),
        description:
            "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa. Cum sociis natoque penatibus et magnis dis parturient montes, nascetur ridiculus mus. Donec quam felis, ultricies nec, pellentesque eu, pretium quis, sem. Nulla consequat massa quis enim. Donec pede justo, fringilla vel, aliquet nec, vulputate eget, arcu. In enim justo, rhoncus ut, imperdiet a, venenatis vitae, justo. Nullam dictum felis eu pede mollis pretium. Integer tincidunt. Cras dapibus. Vivamus elementum semper nisi. Aenean vulputate eleifend tellus. Aenean leo ligula, porttitor eu, consequat vitae, eleifend ac, enim. Aliquam lorem ante, dapibus in, viverra quis, feugiat a, tellus. Phasellus viverra nulla ut metus varius laoreet. Quisque rutrum. Aenean imperdiet. Etiam ultricies nisi vel augue. Curabitur ullamcorper ultricies nisi. Nam eget dui. Etiam rhoncus. Maecenas tempus, tellus eget condimentum rhoncus, sem quam semper libero, sit amet adipiscing sem neque sed ipsum. Nam quam nunc, blandit vel, luctus pulvinar, hendrerit id, lorem. Maecenas nec odio et ante tincidunt tempus. Donec vitae sapien ut libero venenatis faucibus. Nullam quis ante. Etiam sit amet orci eget eros faucibus tincidunt. Duis leo. Sed fringilla mauris sit amet nibh. Donec sodales sagittis magna. Sed consequat, leo eget bibendum sodales, augue velit cursus nunc,",
        styleDescription:
            TextStyle(color: Colors.white, fontSize: 20.0, fontStyle: FontStyle.italic, fontFamily: 'Raleway'),
        marginDescription: EdgeInsets.only(left: 20.0, right: 20.0, top: 20.0, bottom: 70.0),
        centerWidget: Text("Replace this with a custom widget", style: TextStyle(color: Colors.white)),
        colorBegin: Color(0xffFFDAB9),
        colorEnd: Color(0xff40E0D0),
        backgroundImage: 'images/photo_eraser.png',
        directionColorBegin: Alignment.topLeft,
        directionColorEnd: Alignment.bottomRight,
        onCenterItemPress: () {},
      ),
    );
    slides.add(
      new Slide(
        title: "MUSEUM",
        styleTitle:
            TextStyle(color: Color(0xffD02090), fontSize: 30.0, fontWeight: FontWeight.bold, fontFamily: 'RobotoMono'),
        description: "Ye indulgence unreserved connection alteration appearance",
        styleDescription:
            TextStyle(color: Color(0xffD02090), fontSize: 20.0, fontStyle: FontStyle.italic, fontFamily: 'Raleway'),
        pathImage: "images/photo_museum.png",
        colorBegin: Color(0xffFFFACD),
        colorEnd: Color(0xffFF6347),
        directionColorBegin: Alignment.topRight,
        directionColorEnd: Alignment.bottomLeft,
      ),
    );
    slides.add(
      new Slide(
        title: "COFFEE",
        styleTitle:
            TextStyle(color: Color(0xffD02090), fontSize: 30.0, fontWeight: FontWeight.bold, fontFamily: 'RobotoMono'),
        description:
            "Much evil soon high in hope do view. Out may few northward believing attempted. Yet timed being songs marry one defer men our. Although finished blessing do of",
        styleDescription:
            TextStyle(color: Color(0xffD02090), fontSize: 20.0, fontStyle: FontStyle.italic, fontFamily: 'Raleway'),
        pathImage: "images/photo_coffee_shop.png",
        colorBegin: Color(0xffFFA500),
        colorEnd: Color(0xff7FFFD4),
        directionColorBegin: Alignment.topCenter,
        directionColorEnd: Alignment.bottomCenter,
        maxLineTextDescription: 3,
      ),
    );
  }

  void onDonePress() {
    // Do what you want
    Navigator.push(
      context,
      MaterialPageRoute(builder: (context) => HomeScreen()),
    );
  }

  Widget renderNextBtn() {
    return Icon(
      Icons.navigate_next,
      color: Color(0xffD02090),
      size: 35.0,
    );
  }

  Widget renderDoneBtn() {
    return Icon(
      Icons.done,
      color: Color(0xffD02090),
    );
  }

  Widget renderSkipBtn() {
    return Icon(
      Icons.skip_next,
      color: Color(0xffD02090),
    );
  }

  @override
  Widget build(BuildContext context) {
    return new IntroSlider(
      // List slides
      slides: this.slides,

      // Skip button
      renderSkipBtn: this.renderSkipBtn(),
      colorSkipBtn: Color(0x33000000),
      highlightColorSkipBtn: Color(0xff000000),

      // Next button
      renderNextBtn: this.renderNextBtn(),

      // Done button
      renderDoneBtn: this.renderDoneBtn(),
      onDonePress: this.onDonePress,
      colorDoneBtn: Color(0x33000000),
      highlightColorDoneBtn: Color(0xff000000),

      // Dot indicator
      colorDot: Color(0x33D02090),
      colorActiveDot: Color(0xffD02090),
      sizeDot: 13.0,

      // Show or hide status bar
      shouldHideStatusBar: true,
      backgroundColorAllSlides: Colors.grey,
    );
  }
}

Custom your own tabs

custom config image

class IntroScreenState extends State<IntroScreen> {
  List<Slide> slides = new List();

  Function goToTab;

  @override
  void initState() {
    super.initState();

    slides.add(
      new Slide(
        title: "SCHOOL",
        styleTitle:
            TextStyle(color: Color(0xff3da4ab), fontSize: 30.0, fontWeight: FontWeight.bold, fontFamily: 'RobotoMono'),
        description:
            "Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Aenean commodo ligula eget dolor. Aenean massa.",
        styleDescription:
            TextStyle(color: Color(0xfffe9c8f), fontSize: 20.0, fontStyle: FontStyle.italic, fontFamily: 'Raleway'),
        pathImage: "images/photo_school.png",
      ),
    );
    slides.add(
      new Slide(
        title: "MUSEUM",
        styleTitle:
            TextStyle(color: Color(0xff3da4ab), fontSize: 30.0, fontWeight: FontWeight.bold, fontFamily: 'RobotoMono'),
        description: "Ye indulgence unreserved connection alteration appearance",
        styleDescription:
            TextStyle(color: Color(0xfffe9c8f), fontSize: 20.0, fontStyle: FontStyle.italic, fontFamily: 'Raleway'),
        pathImage: "images/photo_museum.png",
      ),
    );
    slides.add(
      new Slide(
        title: "COFFEE SHOP",
        styleTitle:
            TextStyle(color: Color(0xff3da4ab), fontSize: 30.0, fontWeight: FontWeight.bold, fontFamily: 'RobotoMono'),
        description:
            "Much evil soon high in hope do view. Out may few northward believing attempted. Yet timed being songs marry one defer men our. Although finished blessing do of",
        styleDescription:
            TextStyle(color: Color(0xfffe9c8f), fontSize: 20.0, fontStyle: FontStyle.italic, fontFamily: 'Raleway'),
        pathImage: "images/photo_coffee_shop.png",
      ),
    );
  }

  void onDonePress() {
    // Back to the first tab
    this.goToTab(0);
  }

  void onTabChangeCompleted(index) {
    // Index of current tab is focused
  }

  Widget renderNextBtn() {
    return Icon(
      Icons.navigate_next,
      color: Color(0xffffcc5c),
      size: 35.0,
    );
  }

  Widget renderDoneBtn() {
    return Icon(
      Icons.done,
      color: Color(0xffffcc5c),
    );
  }

  Widget renderSkipBtn() {
    return Icon(
      Icons.skip_next,
      color: Color(0xffffcc5c),
    );
  }

  List<Widget> renderListCustomTabs() {
    List<Widget> tabs = new List();
    for (int i = 0; i < slides.length; i++) {
      Slide currentSlide = slides[i];
      tabs.add(Container(
        width: double.infinity,
        height: double.infinity,
        child: Container(
          margin: EdgeInsets.only(bottom: 60.0, top: 60.0),
          child: ListView(
            children: <Widget>[
              GestureDetector(
                  child: Image.asset(
                currentSlide.pathImage,
                width: 200.0,
                height: 200.0,
                fit: BoxFit.contain,
              )),
              Container(
                child: Text(
                  currentSlide.title,
                  style: currentSlide.styleTitle,
                  textAlign: TextAlign.center,
                ),
                margin: EdgeInsets.only(top: 20.0),
              ),
              Container(
                child: Text(
                  currentSlide.description,
                  style: currentSlide.styleDescription,
                  textAlign: TextAlign.center,
                  maxLines: 5,
                  overflow: TextOverflow.ellipsis,
                ),
                margin: EdgeInsets.only(top: 20.0),
              ),
            ],
          ),
        ),
      ));
    }
    return tabs;
  }

  @override
  Widget build(BuildContext context) {
    return new IntroSlider(
      // List slides
      slides: this.slides,

      // Skip button
      renderSkipBtn: this.renderSkipBtn(),
      colorSkipBtn: Color(0x33ffcc5c),
      highlightColorSkipBtn: Color(0xffffcc5c),

      // Next button
      renderNextBtn: this.renderNextBtn(),

      // Done button
      renderDoneBtn: this.renderDoneBtn(),
      onDonePress: this.onDonePress,
      colorDoneBtn: Color(0x33ffcc5c),
      highlightColorDoneBtn: Color(0xffffcc5c),

      // Dot indicator
      colorDot: Color(0xffffcc5c),
      sizeDot: 13.0,
      typeDotAnimation: dotSliderAnimation.SIZE_TRANSITION,

      // Tabs
      listCustomTabs: this.renderListCustomTabs(),
      backgroundColorAllSlides: Colors.white,
      refFuncGoToTab: (refFunc) {
        this.goToTab = refFunc;
      },

      // Show or hide status bar
      shouldHideStatusBar: true,

      // On tab change completed
      onTabChangeCompleted: this.onTabChangeCompleted,
    );
  }
}

Options

Slide object attributes

Name Type Default Description
Title
title String "" Change text title at top
maxLineTitle int 1 Change max number of lines title at top
styleTitle TextStyle White color, bold and font size is 30.0 Style for text title
marginTitle EdgeInsets top: 70.0, bottom: 50.0 Margin for text title
Image
pathImage String "" Path to your local image
widthImage double 250.0 Width of image
heightImage double 250.0 Height of image
foregroundImageFit BoxFit BoxFit.contain Foreground image fit
Center widget
centerWidget Widget null Your custom's widget
onCenterItemPress Function Do nothing Fire when press center image/widget
Description
description String "" Change text description at bottom
maxLineTextDescription String 100 Maximum line of text description
styleDescription TextStyle White and font size is 18.0 Style for text description
marginDescription EdgeInsets left, right = 20.0, top, bottom = 50.0 Margin for text description
Background Color
backgroundColor Color Color(0xfff5a623) Background tab color
colorBegin Color null Gradient tab color begin
colorEnd Color null Gradient tab color end
directionColorBegin AlignmentGeometry null Direction color begin
directionColorEnd AlignmentGeometry null Direction color end
Background Image
backgroundImage String null Background tab image
backgroundImageFit BoxFit BoxFit.cover Background tab image fit
backgroundOpacity double 0.5 Background tab image filter opacity
backgroundOpacityColor Color Colors.black Background tab image filter color
backgroundBlendMode BlendMode BlendMode.darken Background tab image filter blend mode

IntroSlider widget attributes

Name Type Default Description
Slide
slides Slide No default, required An array of Slide object
Skip Button
renderSkipBtn Widget Button with text SKIP Render your own SKIP button
widthSkipBtn double 1/4 screen width Width of view wrapper SKIP button
onSkipPress Function Go to last page Fire when press SKIP button
nameSkipBtn String "SKIP" Change SKIP to any text you want
styleNameSkipBtn TextStyle White color Style for text at SKIP button
colorSkipBtn Color transparent Color for SKIP button
highlightColorSkipBtn Color Color(0x4dffffff) Color for SKIP button when press
isShowSkipBtn bool true Show or hide SKIP button
borderRadiusSkipBtn double 30.0 Rounded SKIP button
Prev Button
renderPrevBtn Widget Button with text PREV Render your own PREV button
widthPrevBtn double 1/4 screen width Width of view wrapper PREV button
namePrevBtn String "PREV" Change PREV to any text you want
styleNamePrevBtn TextStyle White color Style for text at PREV button
colorPrevBtn Color transparent Color for PREV button
highlightColorPrevBtn Color Color(0x4dffffff) Color for PREV button when press
isShowPrevBtn bool false Show or hide PREV button
borderRadiusPrevBtn double 30.0 Rounded PREV button
Done Button
renderDoneBtn Widget Button with text DONE Render your own DONE button
widthDoneBtn double 1/4 screen width Width of view wrapper DONE button
onDonePress Function Do nothing Fire when press DONE button
nameDoneBtn String "DONE" Change DONE to any text you want
styleNameDoneBtn TextStyle White color Style for text at DONE button
colorDoneBtn Color transparent Color for DONE button
highlightColorDoneBtn Color Color(0x4dffffff) Color for DONE button when press
borderRadiusDoneBtn double 30.0 Rounded DONE button
isShowDoneBtn bool true Show or hide DONE button
Next Button (other attributes will have the same
Done button since they are one)
renderNextBtn Widget Button with text NEXT Render your own NEXT button
nameNextBtn String "NEXT" Change NEXT to any text you want
Dot Indicator
isShowDotIndicator bool true Show or hide dot indicator
colorDot Color Color(0x80000000) Color for dot when passive
colorActiveDot Color Color(0xffffffff) Color for dot when active
sizeDot double 8.0 Size of each dot
typeDotAnimation (inactive dots auto have opacity 50%,
dot active has size bigger than 1.5 times )
enum dotSliderAnimation DOT_MOVEMENT Type dots animation
Tabs
listCustomTabs List<Widget> null Render your own list tabs (use default tab UI if not defined)
refFuncGoToTab Function Do nothing Send the reference of change tab's function,
then we can move to any tab index programmatically
onTabChangeCompleted Function Do nothing Callback when tab change comleted, return the current tab's index
backgroundColorAllSlides Color Transparent Background color for all slides
Behavior
isScrollable bool true Force button-only scrolling
shouldHideStatusBar bool false Show or hide the status bar

Pull request and feedback are always appreciated

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