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[!IMPORTANT] Hotwire Native is the new consolidation of the Turbo Native and Strada libraries into a single framework for iOS and Android. For new development, start with the new Hotwire Native Android library, which is built on the Turbo Native foundation and offers many new features. For existing Turbo Native apps, please transition to Hotwire Native as soon as possible.

No new features will be added to this library and it will be deprecated in the coming months.

Turbo Native for Android

Build high-fidelity hybrid apps with native navigation and a single shared web view. Turbo Native for Android provides the tooling to wrap your Turbo 7-enabled web app in a native Android shell. It manages a single WebView instance across multiple Fragment destinations, giving you native navigation UI with all the client-side performance benefits of Turbo.

Features

Deliver fast, efficient hybrid apps. Avoid reloading JavaScript and CSS. Save memory by sharing one WebView.
Reuse mobile web views across platforms. Create your views once, on the server, in HTML. Deploy them to iOS, Android, and mobile browsers simultaneously. Ship new features without waiting on Play Store approval.
Enhance web views with native UI. Navigate web views using native patterns. Augment web UI with native controls.
Produce large apps with small teams. Achieve baseline HTML coverage for free. Upgrade to native views as needed.

Requirements

Android SDK 26+ is required as the minSdk in your build.gradle.kts file.
This library is written entirely in Kotlin, and your app should use Kotlin as well. Compatibility with Java is not provided or supported.
This library supports web apps using either Turbo 7 or Turbolinks 5.
Turbo (or Turbolinks) is exposed on the window object on the WebView page being loaded.

Note: You should understand how Turbo works with web applications in the browser before attempting to use Turbo Android. See the Turbo 7 documentation for details.

Getting Started

The best way to get started with Turbo Android is to try out the demo app first to get familiar with the framework. The demo app walks you through all the basic Turbo flows as well as some advanced features. To run the demo, clone this repo, open the directory in Android Studio, and build the demo module to your Android device. See demo/README.md for more details about the demo. When you’re ready to start your own application, read through the rest of the documentation.

See the instructions to build the project yourself.

Documentation

Contributing

Turbo Android is open-source software, freely distributable under the terms of an MIT-style license. The source code is hosted on GitHub. Development is sponsored by 37signals.

We welcome contributions in the form of bug reports, pull requests, or thoughtful discussions in the GitHub issue tracker.

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms.