df_will_dispose 0.2.0

A package to mark resources for disposal upon definition, simplifying your code.

example/example.dart

//.title
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//
// Dart/Flutter (DF) Packages by DevCetra.com & contributors. Use of this
// source code is governed by an MIT-style license that can be found in the
// LICENSE file located in this project's root directory.
//
// ▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓▓
//.title~

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

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

  @override
  _MyWidgetState createState() => _MyWidgetState();
}

// Option 1: WillDisposeState<MyWidget>.
// Option 2: State<MyWidget> with DisposeMixin, WillDisposeMixin.
class _MyWidgetState extends WillDisposeState<MyWidget> {
  // Define and mark resources for disposal on the same line.
  late final _textController = willDispose(TextEditingController());
  late final _valueNotifier = willDispose(ValueNotifier('Initial Value'));

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('WillDispose Example')),
      body: Column(
        children: [
          TextField(controller: _textController),
          ValueListenableBuilder<String>(
            valueListenable: _valueNotifier,
            builder: (context, value, child) => Text('Value: $value'),
          ),
          ElevatedButton(
            onPressed: () {
              _valueNotifier.value = 'Updated Value';
            },
            child: const Text('Update Value'),
          ),
        ],
      ),
    );
  }

  @override
  void dispose() {
    // Resources marked with `willDispose` will be disposed automatically here.
    super.dispose();
  }
}

void main() => runApp(const MaterialApp(home: MyWidget()));