// Click
onView(withId(R.id.button)).perform(click());

// Long click
onView(withId(R.id.button)).perform(longClick());

// Type text and close keyboard
onView(withId(R.id.input)).perform(typeText("hello"), closeSoftKeyboard());

// Replace existing text
onView(withId(R.id.input)).perform(clearText(), typeText("new text"));

// Press IME action (e.g. Search key)
onView(withId(R.id.search)).perform(pressImeActionButton());

// Scroll to (for off-screen views)
onView(withId(R.id.bottom_view)).perform(scrollTo(), click());

// Swipe
onView(withId(R.id.view)).perform(swipeLeft());
onView(withId(R.id.view)).perform(swipeRight());
onView(withId(R.id.view)).perform(swipeUp());

// Select all text and replace
onView(withId(R.id.input)).perform(click(), pressKey(KeyEvent.KEYCODE_A, KeyEvent.META_CTRL_ON), typeText("replaced"));