androiddriver setup and simple use case

gistfile1.txt

public class BasicTests {
    private static final String PACKAGE_NAME = "com.noname.pharma";

    private AndroidDriver<AndroidElement> driver;

    @Before
    public void setup() throws Exception {
        DesiredCapabilities capabilities = new DesiredCapabilities();
        capabilities.setCapability("deviceName", "emulator-5554");
        capabilities.setCapability("platformVersion", "7.1.1");
        capabilities.setCapability("appPackage", PACKAGE_NAME);
        capabilities.setCapability("appActivity", ".MasterActivity");
        capabilities.setCapability("unicodeKeyboard", "true");
        capabilities.setCapability("resetKeyboard", "true");

        driver = new AndroidDriver<>(new URL("http://127.0.0.1:4723/wd/hub"), capabilities);
        driver.resetApp();
    }

    @After
    public void tearDown() {
        driver.quit();
    }

    @Test
    public void test1() {
        driver.findElementById(PACKAGE_NAME + ":id/tetUserName").setValue("ror");
        driver.findElementById(PACKAGE_NAME + ":id/tetPassword").setValue("ror");
        driver.findElementById(PACKAGE_NAME + ":id/btnSubmit").click();

        //matching is case-sensitive
        List<AndroidElement> elementsWithText = driver.findElementsByAndroidUIAutomator("new UiSelector().text(\"Sign Up\")");

        //let's check if we are on signup screen
        Assert.assertEquals("Wrong number of texts found", 1, elementsWithText.size());

        driver.findElementById(wrap("tetUserName")).setValue("John");
        driver.findElementById(wrap("tetPassword")).setValue("12345");
        driver.findElementById(wrap("tetPasswordRepeat")).setValue("12345");
        driver.findElementById(wrap("btnSignup")).click();

        elementsWithText = driver.findElementsByAndroidUIAutomator("new UiSelector().text(\"Manage Users\")");

        //assert we are indeed logged in now
        Assert.assertEquals(1, elementsWithText.size());

        //let's click Manage Users if so
        elementsWithText.get(0).click();
    }

    //to help with specifying qualified ID's
    private String wrap(String id) {
        return PACKAGE_NAME + ":id/" + id;
    }
}