# Flutter v4.0.X

## Welcome to the Flagship Flutter SDK documentation

The following documentation helps you to run Flagship on your Flutter app using our client library with preconfigured methods to implement the Decision API.

* [Installation](https://docs.abtasty.com/server-side/sdks/flutter/archived-versions/flutter/flutter-installation)
* [Quick Start](https://docs.abtasty.com/server-side/sdks/flutter/archived-versions/flutter/flutter-quick-start)
* [Reference](https://docs.abtasty.com/server-side/sdks/flutter/archived-versions/flutter/flutter-reference)

### SDK features

* Set a [visitor ID](https://docs.abtasty.com/server-side/glossary#visitor-id)
* Update [user context](https://docs.abtasty.com/server-side/glossary#user-context)
* Assign campaigns via the [Decision API](https://docs.abtasty.com/server-side/decision-api) or [Bucketing](https://docs.abtasty.com/server-side/concepts/bucketing)
* Get flags
* Expose campaigns
* Send hits to our [Universal Collect](https://docs.abtasty.com/server-side/concepts/universal-collect-1)
* Troubleshoot issues

### Prerequisites

* Flagship SDK supports Dart 2.15.0 minimum or higher
* Flagship is null safety

### Good to know

* Latest Version [![Pub Version](https://img.shields.io/pub/v/flagship)](https://pub.dev/packages/flagship)
* [Github repository ![GitHub Repo stars](https://img.shields.io/github/stars/flagship-io/flagship-flutter-sdk?style=social)](https://github.com/flagship-io/flagship-flutter-sdk)
* [![CI](https://github.com/flagship-io/flagship-flutter-sdk/actions/workflows/ci.yml/badge.svg?branch=main)](https://github.com/flagship-io/flagship-flutter-sdk/actions/workflows/ci.yml)
* [![codecov](https://codecov.io/gh/flagship-io/flagship-flutter-sdk/branch/main/graph/badge.svg?token=JXtwVuCj3s)](https://codecov.io/gh/flagship-io/flagship-flutter-sdk)
* Dart code supported

### Versions

The latest version of our Flutter SDK is [**4.0.5**](https://docs.abtasty.com/server-side/sdks/flutter/archived-versions/flutter).

### Change logs

Find the versions change logs on our [Github Repository](https://github.com/flagship-io/flagship-flutter-sdk/releases/tag/4.0.5)

### Former versions

The documentation of the past versions are available [here](https://docs.abtasty.com/server-side/sdks/flutter/archived-versions).

#### Contact us

Feel free to [contact us](mailto:product.feedback@abtasty.com?subject=Flagship%20Developer%20Documentation) if you have any questions regarding this documentation.