ExampleInstrumentedTest.java

public class ExampleInstrumentedTest {
    @rule
    public ActivityTestRule<MainActivity> mActivityRule = new ActivityTestRule(MainActivity.class);
    
    @Test
    public void simpleTeset() {
        
        //Initialize the eyes SDK and set your private API key.
        Eyes eyes = new Eyes();
        eyes.setApiKey("YOUR_API_KEY");
        
        try {
            //start the test
            eyes.open("Hello World!", "My first Espresso Android Test!");
            
            //Visual checkpoint #1
            eyes.checkWindow("Hello!");
            
            onView(withID(R.id.click_me_btn)).perform(click());
            
            //Visual checkpoint #2.
            eyes.checkWindow("Click!");
            
            //End the test
            eyes.close();
        } finally {
            //if the test was aborted before eyes.close was called, end the test as aborted
            eyes.abortIfNotClosed():
        }
    }
}