swipe_plus 0.8.0

Simple way to implement horizontal drag interaction.

example/lib/main.dart

import 'dart:math';

import 'package:faker/faker.dart';
import 'package:flutter/material.dart';
import 'package:swipe_plus/swipe_plus.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        useMaterial3: true,
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Drag And Swipe'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: const Color(0xffFFFBFE),
        elevation: 10,
        title: Text(widget.title),
      ),
      body: ListView.builder(
        padding: const EdgeInsets.symmetric(vertical: 16),
        itemBuilder: (context, index) => MessageWidget(
          textMessage: faker.lorem.sentence(),
        ),
      ),
    );
  }
}

class MessageWidget extends StatelessWidget {
  const MessageWidget({
    super.key,
    required this.textMessage,
  });
  final String textMessage;

  void showSnackBar(BuildContext context, String message) {
    ScaffoldMessenger.of(context).showSnackBar(SnackBar(
      content: Text('Reply to $textMessage'),
      behavior: SnackBarBehavior.floating,
    ));
  }

  @override
  Widget build(BuildContext context) {
    final size = MediaQuery.of(context).size;
    final x = Random().nextBool();
    return SwipePlus(
      onDragComplete: () => showSnackBar(context, textMessage),
      maxTranslation: .3,
      minThreshold: .50,
      alignment: x ? Alignment.centerRight : Alignment.centerLeft,
      child: ConstrainedBox(
        constraints: BoxConstraints(
          maxWidth: size.width * .60,
        ),
        child: Container(
          margin: const EdgeInsets.symmetric(vertical: 5, horizontal: 10),
          padding: const EdgeInsets.all(10),
          decoration: BoxDecoration(
            color: const Color(0xffFFD8E4),
            borderRadius: BorderRadius.circular(12),
          ),
          child: Text(
            textMessage,
            style: const TextStyle(color: Color(0xff31111D)),
          ),
        ),
      ),
    );
  }
}