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Appium is an open-source, cross-platform test automation tool for native, hybrid, mobile web and desktop apps. Initially created to automate iOS and Android mobile applications Appium has grown to a full-featured platform that provides WebDriver-based automation possibilities for the whole set of different mobile and desktop platforms. See Drivers Maintained By The Appium Team and Drivers Provided By Third Parties sections below for more details.

‼️ Major documentation revision in progress

‼️ Appium core team does not maintain Appium 1.x anymore since the 1st of January 2022. All recent versions of officially supported platform drivers are not compatible to Appium 1.x anymore, and require Appium 2 to run.

Appium is in the final stages of a major revision (to version 2.0). As such, the documentation found around the web may not be correct. The current Appium 2.0 documentation is very much in progress. Currently, it can be found here.

• macOS, Linux or Windows operating system
• Node.js 14+
• NPM (Node Package Manager) 8+

These are only server requirements. Each driver might have its own requirements. Consider checking the corresponding driver tutorial for more details.

To install Appium 2 server using Node Package Manager (npm) run the following command:

npm install -g appium@next

‼️ Running npm install -g appium would still install Appium 1 because version 2 is in its late beta stage.

Appium supports app automation across a variety of platforms, like iOS, Android, and Windows. Each platform is supported by one or more "drivers", which know how to automate that particular platform. Since version 2.0 all drivers have been isolated from the Appium server app and can be managed independently using the appium driver command line interface.

In general, the drivers management in Appium 2 is as simple as:

# To install a new driver from npm
appium driver install --source=npm appium-xcuitest-driver[@<version>]
# To install a driver from a local folder (useful for developers)
appium driver install --source=local /Users/me/sources/appium-xcuitest-driver
# To install a new driver from github (hm, maybe it's time to publish it to NPM?)
appium driver install --source=github appium/appium-xcuitest-driver

# To list already installed drivers
appium driver list --installed

# To update a driver (it must be already installed)
appium driver update xcuitest

# To uninstall a driver (it won't last forever, wouldn't it?)
appium driver uninstall xcuitest

These drivers are supported by Appium core members. Please report any issues or suggestions regarding them to the corresponding GitHub issue tracker. Refer to the corresponding driver Readme to know more on how to use it and its requirements.

These drivers are supported by different companies or communities. Please report any issues related to their functionality to their respective maintainers. If you are a developer yourself and have created a new useful Appium2-compatible driver then don't hesitate to create a PR and add a link to your driver into the below list.

The concept of plugins is something new that has been added exclusively to Appium2. Plugins allow you to extend server functionality without changing the server code. Plugins could be managed similarly to drivers:

# To install an officially supported plugin
appium plugin install images
# To install a plugin from a local folder (useful for developers)
appium plugin install --source=local /Users/me/sources/images
# To install a new plugin from npm
appium plugin install --source=npm appium-device-farm

# To list already installed plugins
appium plugin list --installed

# To update a plugins (it must be already installed)
appium plugin update appium-device-farm

# To uninstall a plugin
appium plugin uninstall appium-device-farm

The main difference between drivers and plugins is that the latter must be explicitly enabled on server startup after it was installed (drivers are enabled by default after installation):

appium server --use-plugins=device-farm,images

These plugins are supported by Appium core members. Please report any issues or suggestions regarding them to the corresponding GitHub issue tracker. Refer to the corresponding plugin Readme to know more on how to use it.

These plugins are supported by different companies or communities. Please report any issues related to their functionality to their respective maintainers. If you are a developer yourself and have created a new useful plugin then don't hesitate to create a PR and add a link to your plugin into the below list.

In order to start sending commands to Appium over the wire it must be listening on the URL where your client library expects it to listen. Use the following commands to run and configure Appium server:

# Start the server on the default port and host (e.g. http://0.0.0.0:4723/)
appium server
# Start the server on the given port, host and use the base path prefix (the default prefix is /)
appium server -p 9000 -a 127.0.0.1 -pa /wd/hub

# Get the list of all supported command line parameters.
# This list would also include descriptions of driver-specific
# command line arguments for all installed drivers.
# Each driver and plugin must have their command line arguments
# exposed in a special JSON schema declared as a part of the corresponding
# package.json file.
appium server --help

Appium supports execution of parallel server processes as well as parallel driver sessions within single server process. Refer the corresponding driver documentations regarding which mode is optimal for the particular driver or whether it supports parallel sessions.

1. You usually don't have to recompile your app or modify it in any way, due to the use of standard automation APIs on all platforms.
2. You can write tests with your favorite dev tools using any WebDriver-compatible language such as Java, JavaScript, Python, Ruby, C# with the Selenium WebDriver API. There are also various third party client implementations for other languages.
3. You can use any testing framework.
4. Some drivers, like xcuitest and uiautomator2 ones have built-in mobile web and hybrid app support. Within the same script, you can switch seamlessly between native app automation and webview automation, all using the WebDriver model that's already the standard for web automation.
5. You can run your automated tests locally and in a cloud. There are multiple cloud providers that support various Appium drivers (mostly targeting iOS and Android mobile automation).
6. Appium Inspector allows visual debugging of automated tests and could be extremely useful for beginners.

Investing in the WebDriver protocol means you are betting on a single, free, and open protocol for testing that has become a web standard. Don't lock yourself into a proprietary stack.

For example, if you use Apple's XCUITest library without Appium you can only write tests using Obj-C/Swift, and you can only run tests through Xcode. Similarly, with Google's UiAutomator or Espresso, you can only write tests in Java/Kotlin. Appium opens up the possibility of true cross-platform native app automation, for mobile and beyond. Finally!

If you're new to Appium or want a more comprehensive description of what this is all about, please read our Introduction to Appium Concepts.

Check out our Getting Started guide to get going with Appium.

There is also a sample code that contains many examples of tests in a variety of different languages!

For prettily-rendered docs, please visit appium.io. You can always find the full list of Appium doc pages at Appium's GitHub Repo as well.

update-appium-io.yml creates a PR by CI job. in the appium.io repository with the documentation update.

Once the PR has been merged, the latest documentation will be in appium.io

Please take a look at our contribution documentation for instructions on how to build, test, and run Appium from the source.

Interested in where Appium is heading in the future? Check out the Roadmap

• History
• Credits

Announcements and debates often take place on the Discussion Group, be sure to sign up!

We put together a troubleshooting guide. Please have a look here first if you run into any problems. It contains instructions for checking a lot of common errors and how to get in touch with the community if you're stumped.