In Espresso, how to avoid AmbiguousViewMatcherException when multiple views match

Question

Having gridView which has some images. The gridView\'s cell comes out from same predefined layout, which has same id and desc.

R.id.item_image == 2131

Answer 1

You should use onData() to operate on GridView:

onData(withId(R.id.item_image))
        .inAdapterView(withId(R.id.grid_adapter_id))
        .atPosition(0)
        .perform(click());

This code will click on the image inside first item in GridView