Dart and Flutter classes have different methods to dispose and clean up.
Like cancel, stop, removeListener, etc.
This package define IDisposable interface and special implementations for different types, like StreamControllerDisposable
You can use CompositeDisposable & DisposableOwner to group different IDisposable
Additionally disposeWith extensions makes using disposables easier.
You can also use easy_dispose_* extensions:
You can find all available extension in easy_dispose repository.
Supported types
- StreamController
- StreamSubscription
- Timer
- CustomDisposable(execute function on dispose)
CompositeDisposable & DisposableOwner
Dispose several disposables in one time in LIFO/FIFO order or in parallel
Example
import 'dart:async';
import 'package:easy_dispose/easy_dispose.dart';
// ignore_for_file: no-empty-block
void main() {
var myDisposableOwner = MyDisposableOwner();
// do something
myDisposableOwner.dispose();
}
class MyDisposableOwner extends DisposableOwner {
final StreamController streamController = StreamController();
final Timer timer = Timer(
Duration(seconds: 5),
() async {},
);
MyDisposableOwner(): super(
disposeOrder: DisposeOrder.lifo,
) {
addCustomDisposable(() => print('Final dispose'));
streamController.disposeWith(this);
timer.disposeWith(this);
streamController.stream
.listen(
(_) {},
)
.disposeWith(this);
addCustomDisposable(() => print('First dispose'));
}
}