Espresso Example

espressoexample.java

@Test
public void testAddNote() {
    // press “add note” button
    onView(withId(R.id.addNote)).perform(click());
    // type “Espresso rules” as the note content
    onView(withId(R.id.noteContent)).perform(typeText("Espresso rules"));
    // press “ok/save” button
    onView(withId(R.id.ok)).perform(click());
    // check if note-list contains note with the text “Espresso rules"
    onView(withText("Espresso rules")).check(matches(isDisplayed()));
}