Espresso - click a single list view item

Try this.

onData(anything()).inAdapterView(withId(R.id.list_view)).atPosition(0).perform(click());

If you don't know the layout ID of the ListView, you can still run an Espresso test on it:

// Perform a click on the 5th item of a ListView.
// anything() is a hamcrest matcher that always matches.
// It's useful if you don't care what the object under test is.
onData(anything()).atPosition(5).perform(click());

This will work on Dialogs and DialogFragments which are displaying a list of items. And you don't need to specify the ListView ID.

Source: https://github.com/shohrabuddin/Espresso

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^{Note: To quickly add the imports for these methods, put the blinking cursor on the unresolved method, then do Android Studio ➔ Help ➔ Find Action ➔ search for "show context action" or "show intention action" ➔ click on the result option ➔ A popup window will appear ➔ click on "Import static method ...". You can also assign a keyboard shortcut to "Show Context Actions". More info here. Another way is to enable "Add unambiguous imports on the fly" in the Settings.}

The beauty of Espresso is in not dealing with all this 'timeout' mess.

Have you disabled animations as mentioned in Espresso documentation:

On your device, under Settings->Developer options disable the following 3 settings:

Window animation scale

Transition animation scale

Animator duration scale

?