I have this code in my Espresso test
onView(withId(R.id.src)) .perform(click()); onData(hasToString(startsWith(\"CCD\"))) .perform(click()); onView(w
Really simple solution that worked out for me .....without using matcher for CustomSpinner
onView(withId(R.id.custom_spinner)).perform(click()); onData(anything()).atPosition(1).perform(click()); onView(withId(R.id.custom_spinner)).check(matches(withSpinnerText(containsString("yourstring"))));