6aa3c32 Dec 14, 2016
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Mobile Browser Support

Support for mobile browsers is provided via appium. If you have used webdriver-manager update --android or webdriver-manager update --ios, when you run webdriver-manager start, Appium will automatically start on the port specified by --appium-port.

Android SDK

webdriver-manager will not install the android SDK by default. If you want to test on android, run webdriver-manager update --android. This will download the android SDK, Appium, and set up some virtual android devices for you to run tests against. By default, this will create only an android device running version 24 on x86-64. If you need a different device, you must use the --android-api-levels and --android-abis flags. So you might run a command like this:

webdriver-manager update --android --android-api-levels 24 --android-archs armeabi-v7a

Valid values for the --android-api-levels flag are: 24 and 25. You can specify a lower API level, but the virtual device create will not have Chrome installed.

Valid values for the --android-archs flag are:

  • x86
  • x86_64
  • armeabi-v7a (or possibly some other 32-bit ARM architecture)
  • arm64-v8a (or possibly some other 64-bit ARM architecture)
  • mips

Note that we always use the google_apis/* ABIs, since only those versions comes with chrome. So if you specify --android-archs x86_64, this tool will use the ABI google_apis/x86_64. If you wish to use a different platform (i.e. android-wear, android-tv or default), you can do so with the --android-platforms flag. But only the google_apis version comes with Chrome.

As a practical matter, if you don't want to manually accept the license agreements, you can use --android-accept-licenses, which will accept them on your behalf.

Once you have installed the Android SDK with the virtual devices you need, use webdriver-manager start --android to boot up Appium and begin emulating your android device(s). By default webdriver-manager will emulate all available android devices. If you would rather emulate a specific device, use --avds. So you might use:

webdriver-manager start --android --avds android-23-default-x86_64

If you would prefer not to emulate any android virtual devices, use --avds none.

If you need to specify the ports used by the android virtual devices, use --avd_port. The port you specify will be used for the console of the first device, and the port one higher will be used for its ADB. The second device will use the next two ports, and so on.

"Welcome to Chome" UI

Every time appium boots up chrome, a "Welcome to Chrome" dialog will pop up. It won't interfere with your tests, since the webpage still renders underneath the dialog, and those tests access the webpage directly. However, you won't be able to watch what's going on unless you manually click "Accept & Continue". Also, since webdriver boots up a fresh chrome instance every time, chrome won't remember that you've clicked "Accept & Continue" between tests. Any time you want to actually watch the test as it's run, you'll need to click through the dialog again. For now, there is no good way around this sadly (


When you run webdriver-manager update --ios, webdriver-manager will install Appium and check your computer for iOS simulation capabilities. webdriver-manager cannot download the xcode commandline tools for you however, nor can it agree to Apple's user agreement. The xcode commandline tools come with several virtual devices pre-setup. If you need more, run xcrun simctl for help doing that.

Once you have installed Appium, webdriver-manager will launch it automatically when you run webdriver-manager start. Appium will automatically handle starting iOS device emulation as needed.