README.md

dismissible_page

🔥🚀 Creates page that is dismissed by swipe gestures, with Hero style animations, Inspired by FB, IG stories.

Contents

• Support

• Contribute

• Overview

• Installation

• Properties

• Example

Support

First thing first give it a star ⭐

Discord Channel

Contribute

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

Overview

Creates page that is dismissed by swipe gestures, with Hero style animations, Inspired by FB, IG stories.

Installation

1. Depend on it

Add this to your package's pubspec.yaml file:

dependencies:
  dismissible_page: ^0.5.5

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter packages get

3. Import it

Now in your Dart code, you can use:

import 'package:dismissible_page/dismissible_page.dart';

Properties

  DismissiblePage({
    @required this.child,
    this.isFullScreen = true,
    this.disabled = false,
    this.backgroundColor = Colors.black,
    this.direction = DismissDirection.vertical,
    this.dismissThresholds = const <DismissDirection, double>{},
    this.dragStartBehavior = DragStartBehavior.start,
    this.crossAxisEndOffset = 0.0,
    this.minRadius = 7,
    this.minScale = .85,
    this.maxRadius = 30,
    this.maxTransformValue = .4,
    this.onDismiss,
    this.onDragStart,
    this.onDragEnd,
    Key key,
  })  : assert(dragStartBehavior != null),
        super(key: key);

Example

Import the package:

import 'package:dismissible_page/dismissible_page.dart';
import 'package:example/_models.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';

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

class AppView extends StatelessWidget {
  @override
  Widget build(BuildContext context) => MaterialApp(home: AppHome());
}

class AppHome extends StatefulWidget {
  @override
  _AppHomeState createState() => _AppHomeState();
}

class _AppHomeState extends State<AppHome> {
  final stories = [
    StoryModel(title: 'STORY'),
    StoryModel(title: 'STORY'),
    StoryModel(title: 'STORY'),
    StoryModel(title: 'STORY'),
    StoryModel(title: 'STORY'),
    StoryModel(title: 'STORY'),
  ];

  @override
  Widget build(BuildContext context) {
    final padding = MediaQuery.of(context).padding;
    return Scaffold(
      body: SingleChildScrollView(
        padding: padding,
        child: Column(
          children: [
            Padding(
              padding: const EdgeInsets.all(20),
              child: Text('Dismissible', style: TextStyle(fontSize: 24)),
            ),
            SizedBox(
              height: 120,
              child: ListView.separated(
                padding: EdgeInsets.symmetric(horizontal: 20),
                scrollDirection: Axis.horizontal,
                itemBuilder: (_, int i) => StoryWidget(story: stories[i]),
                separatorBuilder: (_, int i) => SizedBox(width: 10),
                itemCount: stories.length,
              ),
            ),
          ],
        ),
      ),
    );
  }
}


class StoryWidget extends StatelessWidget {
  final StoryModel story;

  const StoryWidget({this.story});

  @override
  Widget build(BuildContext context) {
    return GestureDetector(
      onTap: () {
        context.pushTransparentRoute(StoryPage(story: story));
      },
      child: Hero(
        tag: story.storyId,
        child: Container(
          height: 120,
          width: 88,
          padding: const EdgeInsets.all(8),
          child: Text(
            story.title,
            style: Theme.of(context)
                .textTheme
                .button
                .copyWith(color: Colors.white),
          ),
          clipBehavior: Clip.antiAlias,
          alignment: Alignment.bottomLeft,
          decoration: BoxDecoration(
            borderRadius: BorderRadius.circular(12),
            image: DecorationImage(
              fit: BoxFit.cover,
              image: NetworkImage(story.imageUrl),
            ),
          ),
        ),
      ),
    );
  }
}


class StoryPage extends StatelessWidget {
  final StoryModel story;
  const StoryPage({this.story});

  @override
  Widget build(BuildContext context) {
    return DismissiblePage(
      onDismiss: () => Navigator.of(context).pop(),
      isFullScreen: false,
      child: Material(
        color: Colors.transparent,
        child: Hero(
          tag: story.storyId,
          child: Container(
            padding: const EdgeInsets.all(20),
            child: Text(
              story.title,
              style: Theme.of(context)
                  .textTheme
                  .button
                  .copyWith(color: Colors.white),
            ),
            clipBehavior: Clip.antiAlias,
            alignment: Alignment.bottomLeft,
            decoration: BoxDecoration(
              image: DecorationImage(
                fit: BoxFit.cover,
                image: NetworkImage(story.imageUrl),
              ),
            ),
          ),
        ),
      ),
    );
  }
}

class StoryModel {
  final storyId = UniqueKey();
  final String title;
  String imageUrl;

  String get nextVehicleUrl =>
      'https://source.unsplash.com/collection/1989985/${Random().nextInt(20) + 400}x${Random().nextInt(20) + 800}';

  StoryModel({this.title, this.imageUrl}) {
    imageUrl = nextVehicleUrl;
  }
}