uiautomator-x
v2.8.1
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uiautomator
Light weight and robust NodeJS wrapper for UIAutomator2 with builtin server for device. It works on Android 4.1+ simply with Android device attached via adb, no need to install anything on Android device.
Note: This module is using UIAutomator version 2.1.3
Installation
npm install uiautomator-server
Usage
const UIAutomator = require('uiautomator-server');
const device = new UIAutomator();
await device.connect();
await device.click({description: 'Apps'});
const deviceInfo = await device.info();
console.log(deviceInfo);
Device setup
const UIAutomator = require('uiautomator-server');
const options = {
serial: '192.168.57.101:5555'
}
const device = new UIAutomator(options);
await device.connect(); // This will start the uiautomator server on device. Now you can continue calling the api
Default options
These are the default options. You can override them as needed
{
hostname: 'localhost',
commandsExecutionDelay: 10, //Delay between commands in ms
port: 9008,
devicePort: 9008,
connectionMaxTries: 5,
connectionTriesDelay: 1000, // In ms
serial: undefined //Not necessary if there is only one device available
}
API
Device connect
/* @param {Boolean} keepApks - Optional. Send true if you dont want to uninstall existing uiautomator-server apks on device. Default value is false. If false, it will remove the existing uiautomator-server apks (if any) and reinstall them * @returns {Promise} */ device.connect(keepApks);
Device info
/* * @returns {Promise} - resolves with device info object */ device.info();
Stop UIAutomator on device
/* Kills the uiautomator process on device * @param {Boolean} keepApks - Optional. Send true if you dont want to uninstall existing uiautomator-server apks on device. Default value is false. If false, it will remove the existing uiautomator-server apks (if any) on stop. * @returns {Promise} */ device.stop(keepApks);
UI Heirarchy Dump
/* @param {Boolean} compressed - Whether you want compressed xml * @returns {Promise} - resolves with ui heirarchy dump as a string */ device.dump(false); <!-- Example: --> const xmlDumpString = await device.dump(false);
Take Screenshot
/* @param {String} fileName - Target file name with extension * @param {Number} Scale - Image scale factor * @param {Number} ImageQuality * @param {Boolean} saveInExternalStorage - should save screenshot in external storage or not. Useful for phones (e.g Samsung S8, S6 - 7.0 API 24) which have permission issues * @returns {Promise} - resolves with screenshot filepath on device */ device.screenshot('screenshot.png', 1, 100, saveInExternalStorage); //You will have to pull the screenshot file manually using adb
Key events
//Press home device.home() //Press back device.back()
All key functions:
home
back
left
right
up
down
center
menu
search
enter
delete
recent
(recent apps)volumeUp
volumeDown
volumeMute
camera
power
Click the screen
// click (x, y) on screen device.click(x, y);
Swipe
// swipe from (startX, startY) to (endX, endY) device.swipe(startX, startY, endX, endY) // swipe from (startX, startY) to (endX, endY) with 10 steps const steps = 10 device.swipe(startX, startY, endX, endY, steps)
Drag
// drag from (startX, startY) to (endX, endY) device.drag(startX, startY, endX, endY) // drag from (startX, startY) to (endX, endY) with 10 steps const steps = 10 device.drag(startX, startY, endX, endY, steps)
Selectors
device.click({description: 'Apps'});
Supported Selectors:
text
textContains
textMatches
textStartsWith
className
classNameMatches
description
descriptionContains
descriptionMatches
descriptionStartsWith
checkable
checked
clickable
longClickable
scrollable
enabled
focusable
focused
selected
packageName
packageNameMatches
resourceId
resourceIdMatches
index
instance
Methods that work with Selectors:
clickAndWaitForNewWindow
Performs a click at the center of the visible bounds of the UI element represented by this UiObject and waits for window transitions. This method differ from click() only in that this method waits for a a new window transition as a result of the click. Some examples of a window transition:
- launching a new activity
- bringing up a pop-up menu
- bringing up a dialog
/* * * @params selectorObject * @params timeout (in milliseconds) * @returns true if the event was triggered, else false */ waitForExists(selectorObject, timeout) // Example: await device.clickAndWaitForNewWindow( { className: "android.widget.CheckBox", instance: 0 });
waitForExists
Waits a specified length of time for a view to become visible. This method waits until the view becomes visible on the display, or until the timeout has elapsed. You can use this method in situations where the content that you want to select is not immediately displayed.
/* * * @params selectorObject * @params timeout * @returns true or false */ waitForExists(selectorObject, timeout) // Example: await device.waitForExists( { description: 'Back', className: "android.widget.ImageView", package: "com.android.systemui", resourceId: "com.android.systemui:id/back" });
waitForIdle
Waits for the current application to idle.
/* * * @param timeout in milliseconds */ waitForIdle(timeout) // Example: await device.waitForIdle( 1000 );
waitUntilGone
Waits a specified length of time for a view to become undetectable. This method waits until a view is no longer matchable, or until the timeout has elapsed. A view becomes undetectable when the Selector of the object is unable to find a match because the element has either changed its state or is no longer displayed. You can use this method when attempting to wait for some long operation to complete, such as downloading a large file or connecting to a remote server.
/* * @param selectorObject the target ui object * @param timeout time to wait (in milliseconds) * @return true if the element is gone before timeout elapsed, else false if timeout elapsed but a matching element is still found. */ waitUntilGone(selectorObject, timeout) // Example: await device.waitUntilGone( { text: "Open menu" }, 5000);
scrollTo
Perform a scroll forward action to move through the scrollable layout element until a visible item that matches the selector is found.
/* * @param scrollableObject the selector of the scrollable object * @param targetObj the item matches the selector to be found. * @param isVertical vertical or horizontal * @return true on scrolled, else false */ scrollTo (scrollableObject, targetObj, isVertical) // Example: await device.scrollTo( { description: 'My Scroll View', },{ text: 'My text element' }, true );
clearTextField
Clears the existing text contents in an editable field. The selector of this object must reference a UI element that is editable. When you call this method, the method first sets focus at the start edge of the field. The method then simulates a long-press to select the existing text, and deletes the selected text. If a "Select-All" option is displayed, the method will automatically attempt to use it to ensure full text selection. Note that it is possible that not all the text in the field is selected; for example, if the text contains separators such as spaces, slashes, at symbol etc. Also, not all editable fields support the long-press functionality.
/* * * @param selectorObject the selector JSON object containing element properties */ clearTextField (selectorObject) // Example: await device.clearTextField( { text: 'Enter email here' });
exist
Check if view exists. This methods performs a waitForExists(timeout) with zero timeout. This basically returns immediately whether the view represented by this UiObject exists or not.
/* * * @params selectorObject * @params timeout * @returns true or false */ exist (selectorObject) // Example: await device.exist( { description: 'Back', className: "android.widget.ImageView", package: "com.android.systemui", resourceId: "com.android.systemui:id/back" });
Methods
device.openNotification();
- Supported Methods:
wakeUp
sleep
openNotification
openQuickSettings
isScreenOn
- Supported Methods:
Notes
- More functions coming soon. Create ticket on github if you want some functionality on priority basis. You are welcome if you want to make contributions!
- Android uiautomator works on Android 4.1+, so before using it, make sure your device is Android4.1+.
- Some methods are only working on Android 4.2/4.3, so you'd better read detailed java documentation of uiautomator before using it.
- The package uses uiautomator-jsonrpc-server as its daemon to communicate with devices.
Acknowledgement
This package is inspired by xiaocong/uiautomator.