How to catch a View with Tag by Espresso in Android?

Question

I have a PinCodeView that extends LinearLayout. I have following code in my init() method. DigitEditText extends Ed

Answer 1

Since withTagValue needs an instance of org.hamcrest.Matcher as an argument, we can create a simple one using the Matcher.is method to find views with a certain tag in your expresso test:

String tagValue = "lorem impsum";
ViewInteraction viewWithTagVI = onView(withTagValue(is((Object) tagValue)));