A Flutter Widget to Display Stories Just Like Whatsapp and Instagram

story_view

Story view for apps with stories.

👨‍🚀 Demo project here: storyexample

🍟 Watch video demo here: story_view demo Youtube

This a Flutter widget to display stories just like Whatsapp and Instagram. Can also be used inline/inside ListView or Column just like Google News app. Comes with gestures to pause, forward and go to previous page.

Features

🕹 Still image, GIF and video support (with caching enabled)

📍 Gesture for pause, rewind and forward

⚜️ Caption for each story item

🎈 Animated progress indicator for each story item

And useful callback to perform meta functionalities including vertical swipe gestures.

Installation

To use this plugin, add story_view as a dependency in your pubspec.yaml file.

Usage

Import the package into your code

import "package:story_view/story_view.dart";

Look inside examples/example.dart on how to use this library. You can copy and paste the code into your main.dart and run to have a quick look.

Basics

Use StoryView to add stories to screen or view heirarchy. StoryView requires a list of StoryItem, each of which describes the view to be displayed on each story page, duration and so forth. This gives you the freedom to customize each page of the story.

There are shorthands provided to create common pages.

StoryItem.text is a shorthand to create a story page that displays only text.

StoryItem.pageImage creates a story item to display images with a caption.

StoryItem.inlineImage creates a story item that is intended to be displayed in a linear view hierarchy like List or Column

🍭 Both .inlineImage and pageImage support animated GIFs.

StoryItem.pageVideo creates a page story item with video media. Just provide your video url and get going.

Story controller, loaders and GIF support

While images load, it'll be a better experience to pause the stories until it's done. To achieve this effect, create a global instance of StoryController and use the shorthand StoryItem.pageImage or StoryItem.inlineImage while passing the same controller instance to it.

...
final controller = StoryController();

@override
Widget build(context) {
  List<StoryItem> storyItems = [
    StoryItem.text(...),
    StoryItem.pageImage(...),
    StoryItem.pageImage(...),
    StoryItem.pageVideo(
      ...,
      controller: controller,
    )
  ]; // your list of stories

  return StoryView(
    storyItems,
    controller: controller, // pass controller here too
    repeat: true, // should the stories be slid forever
    onStoryShow: (s) {notifyServer(s)},
    onComplete: () {},
    onVerticalSwipeComplete: (direction) {
      if (direction == Direction.down) {
        Navigator.pop(context);
      }
    } // To disable vertical swipe gestures, ignore this parameter.
      // Preferrably for inline story view.
  )
}

🍭 Now, tell your users some stories.

Use this package as a library

Depend on it

Run this command:

With Flutter:

 $ flutter pub add oil_stories

This will add a line like this to your package's pubspec.yaml (and run an implicit flutter pub get):

dependencies:
  oil_stories: ^0.13.2

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

Import it

Now in your Dart code, you can use:

import 'package:oil_stories/controller/story_controller.dart';
import 'package:oil_stories/story_view.dart';
import 'package:oil_stories/utils.dart';
import 'package:oil_stories/widgets/story_image.dart';
import 'package:oil_stories/widgets/story_video.dart';
import 'package:oil_stories/widgets/story_view.dart';

example/example.dart

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

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
        title: 'Flutter Demo',
        debugShowCheckedModeBanner: false,
        theme: ThemeData(
          primarySwatch: Colors.green,
        ),
        home: Home());
  }
}

class Home extends StatelessWidget {
  final StoryController controller = StoryController();

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("Delicious Ghanaian Meals"),
      ),
      body: Container(
        margin: EdgeInsets.all(
          8,
        ),
        child: ListView(
          children: <Widget>[
            Container(
              height: 300,
              child: StoryView(
                controller: controller,
                storyItems: [
                  StoryItem.text(
                    title:
                        "Hello world!\nHave a look at some great Ghanaian delicacies. I'm sorry if your mouth waters. \n\nTap!",
                    backgroundColor: Colors.orange,
                    roundedTop: true,
                  ),
                  // StoryItem.inlineImage(
                  //   NetworkImage(
                  //       "https://image.ibb.co/gCZFbx/Banku-and-tilapia.jpg"),
                  //   caption: Text(
                  //     "Banku & Tilapia. The food to keep you charged whole day.\n#1 Local food.",
                  //     style: TextStyle(
                  //       color: Colors.white,
                  //       backgroundColor: Colors.black54,
                  //       fontSize: 17,
                  //     ),
                  //   ),
                  // ),
                  StoryItem.inlineImage(
                    url:
                        "https://image.ibb.co/cU4WGx/Omotuo-Groundnut-Soup-braperucci-com-1.jpg",
                    controller: controller,
                    caption: Text(
                      "Omotuo & Nkatekwan; You will love this meal if taken as supper.",
                      style: TextStyle(
                        color: Colors.white,
                        backgroundColor: Colors.black54,
                        fontSize: 17,
                      ),
                    ),
                  ),
                  StoryItem.inlineImage(
                    url:
                        "https://media.giphy.com/media/5GoVLqeAOo6PK/giphy.gif",
                    controller: controller,
                    caption: Text(
                      "Hektas, sektas and skatad",
                      style: TextStyle(
                        color: Colors.white,
                        backgroundColor: Colors.black54,
                        fontSize: 17,
                      ),
                    ),
                  )
                ],
                onStoryShow: (s) {
                  print("Showing a story");
                },
                onComplete: () {
                  print("Completed a cycle");
                },
                progressPosition: ProgressPosition.bottom,
                repeat: false,
                inline: true,
              ),
            ),
            Material(
              child: InkWell(
                onTap: () {
                  Navigator.of(context).push(
                      MaterialPageRoute(builder: (context) => MoreStories()));
                },
                child: Container(
                  decoration: BoxDecoration(
                      color: Colors.black54,
                      borderRadius:
                          BorderRadius.vertical(bottom: Radius.circular(8))),
                  padding: EdgeInsets.symmetric(vertical: 8),
                  child: Row(
                    mainAxisAlignment: MainAxisAlignment.center,
                    children: <Widget>[
                      Icon(
                        Icons.arrow_forward,
                        color: Colors.white,
                      ),
                      SizedBox(
                        width: 16,
                      ),
                      Text(
                        "View more stories",
                        style: TextStyle(fontSize: 16, color: Colors.white),
                      ),
                    ],
                  ),
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}

class MoreStories extends StatefulWidget {
  @override
  _MoreStoriesState createState() => _MoreStoriesState();
}

class _MoreStoriesState extends State<MoreStories> {
  final storyController = StoryController();

  @override
  void dispose() {
    storyController.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text("More"),
      ),
      body: StoryView(
        storyItems: [
          StoryItem.text(
            title: "I guess you'd love to see more of our food. That's great.",
            backgroundColor: Colors.blue,
          ),
          StoryItem.text(
            title: "Nice!\n\nTap to continue.",
            backgroundColor: Colors.red,
            textStyle: TextStyle(
              fontFamily: 'Dancing',
              fontSize: 40,
            ),
          ),
          StoryItem.pageImage(
            url:
                "https://image.ibb.co/cU4WGx/Omotuo-Groundnut-Soup-braperucci-com-1.jpg",
            caption: "Still sampling",
            controller: storyController,
          ),
          StoryItem.pageImage(
              url: "https://media.giphy.com/media/5GoVLqeAOo6PK/giphy.gif",
              caption: "Working with gifs",
              controller: storyController),
          StoryItem.pageImage(
            url: "https://media.giphy.com/media/XcA8krYsrEAYXKf4UQ/giphy.gif",
            caption: "Hello, from the other side",
            controller: storyController,
          ),
          StoryItem.pageImage(
            url: "https://media.giphy.com/media/XcA8krYsrEAYXKf4UQ/giphy.gif",
            caption: "Hello, from the other side2",
            controller: storyController,
          ),
        ],
        onStoryShow: (s) {
          print("Showing a story");
        },
        onComplete: () {
          print("Completed a cycle");
        },
        progressPosition: ProgressPosition.top,
        repeat: false,
        controller: storyController,
      ),
    );
  }
}

Download Details:

Author: artstudyapp

Source Code: https://github.com/artstudyapp/oil_stories

#flutter #widget

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A Flutter Widget to Display Stories Just Like Whatsapp and Instagram

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