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MultiController is a widget that helps to create and dispose of multiple Controller (extending AnimationController), as well as chaining controllers for more advanced animations.

example/multicontroller_example.dart

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

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(
    MaterialApp(
      home: ExampleAnimation(),
    ),
  );
}

class ExampleAnimation extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: Center(
          child: MultiController(
            builder: (context, createController, child) {
              // Initializing controllers with the provided createController function.
              Controller finishFirst = createController(
                ControllerData(duration: Duration(seconds: 1)),
              );
              Controller finishLast = createController(
                ControllerData(duration: Duration(seconds: 2), lowerBound: 0.5),
              );
              // Call chain function to start a controller after another finish.
              finishFirst.chain(finishLast);
              finishFirst.forward();
              return Column(
                children: <Widget>[
                  AnimatedBuilder(
                    animation: finishFirst,
                    builder: (context, child) => Text(
                      "This should finish ${finishFirst.value}",
                    ),
                  ),
                  AnimatedBuilder(
                    animation: finishLast,
                    builder: (context, child) => Text(
                      "Before this ${finishLast.value}",
                    ),
                  ),
                ],
              );
            },
          ),
        ),
      ),
    );
  }
}
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Publisher

verified publisherantonblomstrom.com

MultiController is a widget that helps to create and dispose of multiple Controller (extending AnimationController), as well as chaining controllers for more advanced animations.

Repository (GitLab)
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License

MIT (LICENSE)

Dependencies

flutter

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