https://github.com/lsegal/flutter_multi_instance_handler

Detect and handle multiple instances of a Flutter application.
https://github.com/lsegal/flutter_multi_instance_handler

Last synced: about 2 months ago
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Detect and handle multiple instances of a Flutter application.

• Host: GitHub
• URL: https://github.com/lsegal/flutter_multi_instance_handler
• Owner: lsegal
• License: mit
• Created: 2021-04-27T06:06:33.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2022-01-13T00:35:27.000Z (almost 3 years ago)
• Last Synced: 2024-10-31T06:51:32.155Z (2 months ago)
• Language: C++
• Size: 37.1 KB
• Stars: 3
• Watchers: 4
• Forks: 8
• Open Issues: 2
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE

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README

        
# Multi Instance Handler (`multi_instance_handler`)

Detects and handles multiple instances of an application. This library allows

you to forward command line arguments from second instances of an application,

force a single instance of an application, or both.

## Compatibility

This library is designed for use in Flutter applications. Support in Dart

tools is undefined.

This library currently only supports Flutter applications on the Windows

platform.

## Usage

```dart

import 'package:multi_instance_handler/multi_instance_handler.dart';

void main(List arguments) async {

  if (await isFirstInstance(arguments)) {

    onSecondInstance((List args) {

      print("Second instance launched with: $args");

    });

    runApp(MyApp());

  } else {

    print("Found existing instance, quitting!");

    exit(0);

  }

}

```

## TODO

- [ ] Add macOS support

- [ ] Add Linux support

- [ ] Ensure first instance window is hidden when loading (third-party issue).

## License & Author

This library was written by Loren Segal in 2021 and licensed under the terms of

the MIT license.