I am trying to click on display button in Settings app. But "findElementBy.." statement is not working, Sometimes I get 'nullpointer exception' or 'no such element exist' exception and some times test passes without clicking Display button.

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I have tried with different application but still the findElementBy... is not working in Win10. But the same piece of code is working, when I run it on the same real device from my Win 7 laptop.

Project is using following jars:

  1. gson-2.2.2.jar

  2. java-client-4.1.2.jar

  3. selenium-server-standalone-3.4.0.jar

  4. Android Development Tool for Eclipse (addon)

  5. Android for Maven Eclipse 1.4.0 (addon)

  6. Appium Sever (ver: 1.4.13.1)

Appium Code:

@Test
public void Script1() throws Exception{

    DesiredCapabilities capabilities = new DesiredCapabilities();

    capabilities.setCapability("automationName", "UiAutomator 2");
    capabilities.setCapability("platformName", "Android");
    capabilities.setCapability("platformVersion", "6.0.1");
    capabilities.setCapability("deviceName", "Redmi 3S");
    capabilities.setCapability("appPackage", "com.android.settings");
    capabilities.setCapability("appActivity", "com.android.settings.MainSettings");

    AndroidDriver driver = new AndroidDriver(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);

    Thread.sleep(5000); 
driver.findElementByAndroidUIAutomator("UiSelector().text(\"Display\")").click();
}

}

Appium Logs:

Launching Appium server with command: C:\Program Files (x86)\Appium\node.exe lib\server\main.js --address 127.0.0.1 --port 4723 --platform-name Android --platform-version 23 --automation-name Appium --log-no-color

warn: Appium support for versions of node < 0.12 has been deprecated and will be removed in a future version. Please upgrade!

info: Welcome to Appium v1.4.13 (REV c75d8adcb66a75818a542fe1891a34260c21f76a)

info: Appium REST http interface listener started on 127.0.0.1:4723

info: [debug] Non-default server args: {"address":"127.0.0.1","logNoColors":true,"platformName":"Android","platformVersion":"23","automationName":"Appium"}

info: Console LogLevel: debug

info: --> POST /wd/hub/session {"desiredCapabilities":{"appPackage":"com.android.settings","appActivity":"com.android.settings.MainSettings","platformVersion":"6.0.1","automationName":"UiAutomator 2","platformName":"Android","deviceName":"Redmi 3S"},"requiredCapabilities":{},"capabilities":{"desiredCapabilities":{"appPackage":"com.android.settings","appActivity":"com.android.settings.MainSettings","platformVersion":"6.0.1","automationName":"UiAutomator 2","platformName":"Android","deviceName":"Redmi 3S"},"requiredCapabilities":{},"alwaysMatch":{"platformName":"Android"},"firstMatch":[]}}

info: Client User-Agent string: Apache-HttpClient/4.5.3 (Java/1.8.0_144)

info: [debug] Didn't get app but did get Android package, will attempt to launch it on the device

info: [debug] Creating new appium session 44f52f68-60a6-4469-9575-0c1bfe2d999d

info: Starting android appium

info: [debug] Getting Java version

info: Java version is: 1.8.0_144

info: [debug] Checking whether adb is present

info: [debug] Using adb from C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe

warn: No app capability, can't parse package/activity

info: [debug] Using fast reset? true

info: [debug] Preparing device for session

info: [debug] Not checking whether app is present since we are assuming it's already on the device

info: Retrieving device

info: [debug] Trying to find a connected android device

info: [debug] Getting connected devices...

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" devices

info: [debug] 1 device(s) connected

info: Found device 964aa907d030

info: [debug] Setting device id to 964aa907d030

info: [debug] Waiting for device to be ready and to respond to shell commands (timeout = 5)

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 wait-for-device

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "echo 'ready'"

info: [debug] Starting logcat capture

info: [debug] Getting device API level

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "getprop ro.build.version.sdk"

info: [debug] Device is at API Level 23

info: Device API level is: 23

info: [debug] Extracting strings for language: default

info: [debug] Apk doesn't exist locally

info: [debug] Could not get strings, but it looks like we had an old strings file anyway, so ignoring

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "rm -rf /data/local/tmp/strings.json"

info: [debug] Not uninstalling app since server not started with --full-reset

info: [debug] Skipping install since we launched with a package instead of an app path

info: [debug] Forwarding system:4724 to device:4724

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 forward tcp:4724 tcp:4724

info: [debug] Pushing appium bootstrap to device...

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 push "C:\Program Files (x86)\Appium\node_modules\appium\build\android_bootstrap\AppiumBootstrap.jar" /data/local/tmp/

info: [debug] Pushing settings apk to device...

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 install "C:\Program Files (x86)\Appium\node_modules\appium\build\settings_apk\settings_apk-debug.apk"

info: [debug] Pushing unlock helper app to device...

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 install "C:\Program Files (x86)\Appium\node_modules\appium\build\unlock_apk\unlock_apk-debug.apk"

info: Starting App

info: [debug] Attempting to kill all 'uiautomator' processes

info: [debug] Getting all processes with 'uiautomator'

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "ps 'uiautomator'"

info: [debug] No matching processes found

info: [debug] Running bootstrap

info: [debug] spawning: C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe -s 964aa907d030 shell uiautomator runtest AppiumBootstrap.jar -c io.appium.android.bootstrap.Bootstrap -e pkg com.android.settings -e disableAndroidWatchers false

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: numtests=1

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: stream=

info: [debug] [UIAUTOMATOR STDOUT] io.appium.android.bootstrap.Bootstrap:

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: id=UiAutomatorTestRunner

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: test=testRunServer

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: class=io.appium.android.bootstrap.Bootstrap

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: current=1

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS_CODE: 1

info: [debug] [BOOTSTRAP] [debug] Socket opened on port 4724

info: [debug] [BOOTSTRAP] [debug] Appium Socket Server Ready

info: [debug] Waking up device if it's not alive

info: [debug] Pushing command to appium work queue: ["wake",{}]

info: [debug] [BOOTSTRAP] [debug] Loading json...

info: [debug] [BOOTSTRAP] [debug] Registered crash watchers.

info: [debug] [BOOTSTRAP] [debug] Client connected

info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"wake","params":{}}

info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION

info: [debug] [BOOTSTRAP] [debug] Got command action: wake

info: [debug] [BOOTSTRAP] [debug] Returning result: {"status":0,"value":true}

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "dumpsys window"

info: [debug] Screen already unlocked, continuing.

info: [debug] Pushing command to appium work queue: ["getDataDir",{}]

info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"getDataDir","params":{}}

info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION

info: [debug] [BOOTSTRAP] [debug] Got command action: getDataDir

info: [debug] [BOOTSTRAP] [debug] Returning result: {"status":0,"value":"/data/local/tmp"}

info: [debug] dataDir set to: /data/local/tmp

info: [debug] Pushing command to appium work queue: ["compressedLayoutHierarchy",{"compressLayout":false}]

info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"compressedLayoutHierarchy","params":{"compressLayout":false}}

info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION

info: [debug] [BOOTSTRAP] [debug] Got command action: compressedLayoutHierarchy

info: [debug] [BOOTSTRAP] [debug] Returning result: {"status":0,"value":false}

info: [debug] Getting device API level

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "getprop ro.build.version.sdk"

info: [debug] Device is at API Level 23

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "am start -S -a android.intent.action.MAIN -c android.intent.category.LAUNCHER -f 0x10200000 -n com.android.settings/com.android.settings.MainSettings"

info: [debug] Waiting for pkg "com.android.settings" and activity "com.android.settings.MainSettings" to be focused

info: [debug] Getting focused package and activity

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "dumpsys window windows"

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "getprop ro.build.version.release"

info: [debug] Device is at release version 6.0.1

info: [debug] Device launched! Ready for commands

info: [debug] Setting command timeout to the default of 60 secs

info: [debug] Appium session started with sessionId 44f52f68-60a6-4469-9575-0c1bfe2d999d

info: <-- POST /wd/hub/session 303 6622.421 ms - 74

info: --> GET /wd/hub/session/44f52f68-60a6-4469-9575-0c1bfe2d999d {}

info: [debug] Responding to client with success: {"status":0,"value":{"platform":"LINUX","browserName":"Android","platformVersion":"6.0.1","webStorageEnabled":false,"takesScreenshot":true,"javascriptEnabled":true,"databaseEnabled":false,"networkConnectionEnabled":true,"locationContextEnabled":false,"warnings":{},"desired":{"appPackage":"com.android.settings","appActivity":"com.android.settings.MainSettings","platformVersion":"6.0.1","automationName":"UiAutomator 2","platformName":"Android","deviceName":"Redmi 3S"},"appPackage":"com.android.settings","appActivity":"com.android.settings.MainSettings","automationName":"UiAutomator 2","platformName":"Android","deviceName":"964aa907d030"},"sessionId":"44f52f68-60a6-4469-9575-0c1bfe2d999d"}

info: <-- GET /wd/hub/session/44f52f68-60a6-4469-9575-0c1bfe2d999d 200 1.705 ms - 695 {"status":0,"value":{"platform":"LINUX","browserName":"Android","platformVersion":"6.0.1","webStorageEnabled":false,"takesScreenshot":true,"javascriptEnabled":true,"databaseEnabled":false,"networkConnectionEnabled":true,"locationContextEnabled":false,"warnings":{},"desired":{"appPackage":"com.android.settings","appActivity":"com.android.settings.MainSettings","platformVersion":"6.0.1","automationName":"UiAutomator 2","platformName":"Android","deviceName":"Redmi 3S"},"appPackage":"com.android.settings","appActivity":"com.android.settings.MainSettings","automationName":"UiAutomator 2","platformName":"Android","deviceName":"964aa907d030"},"sessionId":"44f52f68-60a6-4469-9575-0c1bfe2d999d"}

info: --> POST /wd/hub/session/44f52f68-60a6-4469-9575-0c1bfe2d999d/element {"using":"-android uiautomator","value":"UiSelector().text(\"Display\")"}

info: [debug] Waiting up to 0ms for condition

info: [debug] Pushing command to appium work queue: ["find",{"strategy":"-android uiautomator","selector":"UiSelector().text(\"Display\")","context":"","multiple":false}]

info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"find","params":{"strategy":"-android uiautomator","selector":"UiSelector().text(\"Display\")","context":"","multiple":false}}

info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION

info: [debug] [BOOTSTRAP] [debug] Got command action: find

info: [debug] [BOOTSTRAP] [debug] Finding UiSelector().text("Display") using ANDROID_UIAUTOMATOR with the contextId: multiple: false

info: [debug] [BOOTSTRAP] [debug] Parsing selector: UiSelector().text("Display")

info: [debug] [BOOTSTRAP] [debug] UiSelector coerce type: class java.lang.String arg: "Display"

info: [debug] [BOOTSTRAP] [debug] Using: UiSelector[TEXT=Display]

info: [debug] [BOOTSTRAP] [debug] Returning result: {"status":0,"value":{"ELEMENT":"1"}}

info: [debug] Responding to client with success: {"status":0,"value":{"ELEMENT":"1"},"sessionId":"44f52f68-60a6-4469-9575-0c1bfe2d999d"}

info: <-- POST /wd/hub/session/44f52f68-60a6-4469-9575-0c1bfe2d999d/element 200 82.340 ms - 87 {"status":0,"value":{"ELEMENT":"1"},"sessionId":"44f52f68-60a6-4469-9575-0c1bfe2d999d"}

info: --> POST /wd/hub/session/44f52f68-60a6-4469-9575-0c1bfe2d999d/element/1/click {"id":"1"} info: [debug] Pushing command to appium work queue: ["element:click",{"elementId":"1"}]

info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"action","action":"element:click","params":{"elementId":"1"}}

info: [debug] [BOOTSTRAP] [debug] Got command of type ACTION

info: [debug] [BOOTSTRAP] [debug] Got command action: click

info: [debug] Responding to client with success: {"status":0,"value":true,"sessionId":"44f52f68-60a6-4469-9575-0c1bfe2d999d"}

info: <-- POST /wd/hub/session/44f52f68-60a6-4469-9575-0c1bfe2d999d/element/1/click 200 40.169 ms - 76 {"status":0,"value":true,"sessionId":"44f52f68-60a6-4469-9575-0c1bfe2d999d"}

info: [debug] [BOOTSTRAP] [debug] Returning result: {"status":0,"value":true}

info: [debug] Didn't get a new command in 60 secs, shutting down...

info: Shutting down appium session

info: [debug] Pressing the HOME button

info: [debug] executing cmd: "C:\Program Files (x86)\Android\android-sdk\platform-tools\adb.exe" -s 964aa907d030 shell "input keyevent 3"

info: [debug] Stopping logcat capture

info: [debug] Logcat terminated with code null, signal SIGTERM

info: [debug] [BOOTSTRAP] [debug] Got data from client: {"cmd":"shutdown"}

info: [debug] [BOOTSTRAP] [debug] Got command of type SHUTDOWN

info: [debug] [BOOTSTRAP] [debug] Returning result: {"status":0,"value":"OK, shutting down"}

info: [debug] Sent shutdown command, waiting for UiAutomator to stop...

info: [debug] [BOOTSTRAP] [debug] Closed client connection

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: numtests=1

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: stream=.

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: id=UiAutomatorTestRunner

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: test=testRunServer

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: class=io.appium.android.bootstrap.Bootstrap

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: current=1

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS_CODE: 0

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS: stream=

info: [debug] [UIAUTOMATOR STDOUT] Test results for WatcherResultPrinter=.

info: [debug] [UIAUTOMATOR STDOUT] Time: 67.859

info: [debug] [UIAUTOMATOR STDOUT] OK (1 test)

info: [debug] [UIAUTOMATOR STDOUT] INSTRUMENTATION_STATUS_CODE: -1

info: [debug] UiAutomator shut down normally

info: [debug] Cleaning up android objects

info: [debug] Cleaning up appium session

info: [debug] We shut down because no new commands came in

up vote 1 down vote accepted

The Issue was related to the JAR files compatibility among them. After using following versions jar viz

  1. gson-2.8.2.jar
  2. java-client-5.0.3.jar
  3. junit-4.12.jar
  4. selenium-server-standalone-3.5.3.jar

It worked fine with the current xpath as stated in the question.

Thanks for your participation.

Use xpath to find this element this worked for me every time

driver.findElement(By.xpath("//android.widget.TextView[@text='Display']").click();
  • Also update version of the selenium & java client and appium – PRasd Oct 6 '17 at 9:11

In this case you can find those element by using xpath or name

driver.findElement(By.Name("Display")).click();

or

driver.findElement(new By.ByName("Display")).click();

or

driver.findElement(By.xpath("//android.widget.TextView[@text='Display']")).click();

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