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

example/lib/main.dart

import 'dart:math';

import 'package:example/_models.dart';
import 'package:example/_widgets.dart';
import 'package:flutter/material.dart';
import 'package:google_fonts/google_fonts.dart';
import 'package:url_launcher/url_launcher.dart';

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

const accentColor = Color(0xff00d573);

class AppView extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return LayoutBuilder(
      builder: (BuildContext context, BoxConstraints constraints) {
        final app = MaterialApp(
          debugShowCheckedModeBanner: false,
          theme: ThemeData(
            primaryColor: accentColor,
            scaffoldBackgroundColor: Colors.white,
            appBarTheme: AppBarTheme(color: Colors.white),
            chipTheme: ChipThemeData(selectedColor: accentColor),
            sliderTheme: SliderThemeData(
              activeTrackColor: accentColor,
              activeTickMarkColor: accentColor,
              thumbColor: accentColor,
              inactiveTrackColor: accentColor.withOpacity(.2),
            ),
          ),
          home: AppHome(),
        );
        if (constraints.maxWidth > 600 && constraints.maxHeight > 600) {
          return Container(
            color: Colors.white,
            alignment: Alignment.center,
            child: AspectRatio(
              aspectRatio: .5,
              child: Container(
                margin: EdgeInsets.all(20),
                clipBehavior: Clip.antiAlias,
                decoration: BoxDecoration(
                  border: Border.all(
                    color: Colors.black,
                    width: 20,
                  ),
                  borderRadius: BorderRadius.circular(10),
                ),
                child: app,
              ),
            ),
          );
        }
        return app;
      },
    );
  }
}

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

class _AppHomeState extends State<AppHome> {
  String get randomFood =>
      'https://source.unsplash.com/collection/1424340/${Random().nextInt(20) + 1000}x${Random().nextInt(20) + 1000}';

  String get randomNature =>
      'https://source.unsplash.com/collection/1319040/${Random().nextInt(20) + 1000}x${Random().nextInt(20) + 1000}';

  DismissDirection direction = DismissDirection.down;
  Duration transitionDuration = const Duration(milliseconds: 250);
  Duration reverseTransitionDuration = const Duration(milliseconds: 250);
  final List<StoryModel> stories = [];
  final contacts = {
    'GitHub': 'https://github.com/Tkko',
    'LinkedIn': 'https://www.linkedin.com/in/thornike/',
    'Medium': 'https://thornike.medium.com/',
    'Pub': 'https://pub.dev/publishers/fman.ge/packages',
  };

  @override
  void initState() {
    stories.addAll([
      StoryModel(title: 'Random', imageUrl: randomFood),
      StoryModel(title: 'Photos', imageUrl: randomNature),
      StoryModel(title: 'From', imageUrl: randomFood),
      StoryModel(title: 'Unsplash', imageUrl: randomNature),
    ]);
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Column(
        mainAxisAlignment: MainAxisAlignment.end,
        crossAxisAlignment: CrossAxisAlignment.start,
        children: [
          SizedBox(height: 20),
          Padding(
            padding: const EdgeInsets.symmetric(horizontal: 20),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text('Tornike', style: GoogleFonts.poppins(fontSize: 24)),
                Padding(
                  padding: const EdgeInsets.all(2),
                  child: Text(
                    'Find me on',
                    style: GoogleFonts.poppins(
                      fontSize: 14,
                      color: Colors.black54,
                    ),
                  ),
                ),
              ],
            ),
          ),
          Padding(
            padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 10),
            child: Wrap(
              spacing: 10,
              runSpacing: 10,
              children: contacts.entries.map((item) {
                return ActionChip(
                  onPressed: () => launch(item.value),
                  label: Text(item.key, style: GoogleFonts.poppins()),
                );
              }).toList(),
            ),
          ),
          Spacer(),
          Padding(
            padding: const EdgeInsets.symmetric(horizontal: 20),
            child: Text('Dismiss Direction',
                style: GoogleFonts.poppins(fontSize: 24)),
          ),
          Padding(
            padding: const EdgeInsets.all(20),
            child: Wrap(
              spacing: 10,
              runSpacing: 10,
              children: DismissDirection.values.map((item) {
                return ChoiceChip(
                  onSelected: (_) {
                    setState(() => direction = item);
                  },
                  selected: item == direction,
                  label: Text(
                    '$item'.replaceAll('DismissDirection.', ''),
                    style: GoogleFonts.poppins(),
                  ),
                );
              }).toList(),
            ),
          ),
          DurationSlider(
            title: 'Transition Duration',
            duration: transitionDuration,
            onChanged: (value) {
              setState(() => transitionDuration = value);
            },
          ),
          DurationSlider(
            title: 'Reverse Transition Duration',
            duration: reverseTransitionDuration,
            onChanged: (value) {
              setState(() => reverseTransitionDuration = value);
            },
          ),
          Padding(
            padding: const EdgeInsets.all(20),
            child: Text('Stories', style: GoogleFonts.poppins(fontSize: 24)),
          ),
          LayoutBuilder(
            builder: (BuildContext context, BoxConstraints constraints) {
              final width = constraints.maxWidth;
              final itemHeight = width / 3;
              final itemWidth = width / 4;
              return SizedBox(
                height: itemHeight,
                child: ListView.separated(
                  padding: EdgeInsets.symmetric(horizontal: 20),
                  scrollDirection: Axis.horizontal,
                  itemBuilder: (_, int index) {
                    final item = stories.elementAt(index);
                    item.withParams(
                      transitionDuration: transitionDuration,
                      reverseTransitionDuration: reverseTransitionDuration,
                      direction: direction,
                    );

                    return SizedBox(
                      width: itemWidth,
                      child: StoryWidget(
                        story: item,
                        stories: stories,
                      ),
                    );
                  },
                  separatorBuilder: (_, int i) => SizedBox(width: 10),
                  itemCount: stories.length,
                ),
              );
            },
          ),
          SizedBox(height: 50),
        ],
      ),
    );
  }
}

class DurationSlider extends StatelessWidget {
  final String title;
  final Duration duration;
  final ValueChanged<Duration> onChanged;

  DurationSlider(
      {required this.title, required this.duration, required this.onChanged});

  @override
  Widget build(BuildContext context) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Padding(
          padding: const EdgeInsets.symmetric(horizontal: 20),
          child: Text(
            '$title - ${duration.inMilliseconds}ms',
            style: GoogleFonts.poppins(fontSize: 24),
          ),
        ),
        Slider(
          value: duration.inMilliseconds.toDouble(),
          min: 0,
          max: 1000,
          divisions: 20,
          label: duration.inMilliseconds.toString(),
          onChanged: (value) {
            onChanged.call(Duration(milliseconds: value.round()));
          },
        ),
      ],
    );
  }
}
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Publisher

verified publisherfman.ge

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

Repository (GitHub)
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License

unknown (LICENSE)

Dependencies

flutter

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