expandi_juni1289 0.0.4

A Flutter widget that can expand and collapse with animation

example/lib/main.dart

import 'package:expandi_juni1289/expandi_juni1289.dart';
import 'package:flutter/material.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(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key});

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

class _MyHomePageState extends State<MyHomePage> {
  bool expanded = false;
  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Expandi(
        expandableChildAnimationMilliSecondsDuration: 300,//optional
        onExpandCollapseCallback: (bool isExpanded) {
          setState(() {
            expanded = !isExpanded;
          });
        },
        isExpanded: expanded,
        headerWidget: Container(
          padding: const EdgeInsets.only(top: 20, bottom: 20, right: 20),
          margin: const EdgeInsets.only(left: 20, right: 20),
          color: Colors.black,
          child: Row(
            mainAxisSize: MainAxisSize.max,
            mainAxisAlignment: MainAxisAlignment.start,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: const [
              Expanded(
                  child: Text(
                    "Expand",
                    style: TextStyle(color: Colors.white),
                    textAlign: TextAlign.end,
                  ))
            ],
          ),
        ),
        expandableChild: Container(
          padding: const EdgeInsets.only(top: 20, bottom: 20, left: 12, right: 12),
          margin: const EdgeInsets.only(left: 20, right: 20),
          color: Colors.blue,
          child: const Text(
            "Hello world, greetings from the expandi, this would be a long journey!",
            style: TextStyle(color: Colors.white),
          ),
        ),
      )
    );
  }
}