Explicit Wait is not working on an AppiumWebElement while using ByAndroidUIAutomator locator

Question

I am using C# Client to test an android app. Appium version: 1.13

I came across a situation wherein I was using the below piece of code to explicitly wait for an element to get displayed and it didn't work.

new WebDriverWait(driver, TimeSpan.FromSeconds(10)).Until(d => driver.FindElement(new ByAndroidUIAutomator("text(\"Test\")")).Displayed);

whereas, the Appium driver waited for 10 seconds when I had changed the locator from ByAndroidUIAutomator to By.Xpath

new WebDriverWait(driver, TimeSpan.FromSeconds(10)).Until(d => driver.FindElement(By.XPath("//*[@text='Test']")).Displayed);

To my surprise, ByAndroidUIAutomator waited for 5 seconds when I had used Implicit wait.

driver.Manage().Timeouts().ImplicitlyWait(TimeSpan.FromSeconds(5));

Now I am curious to know as to why it worked for the Implicit wait and not for the explicit wait.

Error Message when I used explicit wait is as follows:

Message: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ----> OpenQA.Selenium.NoSuchElementException: An element could not be located on the page using the given search parameters.

Answer 1

I don't think your usage of the ByAndroidUIAutomator is correct. My expectation is that you should amend it to instantiate the appropriate UISelector like:

new ByAndroidUIAutomator("new UISelector().text(\"Test\")");

References:

• AndroidElementTest.cs
• Android Find By UIAutomator
• Usage Of UiSelector – MobileBy.AndroidUIAutomator