Ansh1234

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
                android:layout_width="match_parent"
                android:layout_height="match_parent">

    <TextView android:id="@+id/login_result"
              android:layout_width="wrap_content"
              android:layout_height="wrap_content"
              android:layout_alignParentTop="true"
              android:layout_centerInParent="true"

Ansh1234

public class LoginActivityTest {

  @Rule
  public ActivityTestRule mActivityRule = new ActivityTestRule(LoginActivity.class);
  private Resources resources;

  @Before
  public void init() {
    resources = mActivityRule.getActivity().getResources();
  }

Ansh1234

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout android:id="@+id/parent_container"
              xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical">
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:orientation="vertical">

Ansh1234

public class NestedLayoutActivityTest {

  @Rule
  public ActivityTestRule mActivityRule = new ActivityTestRule(NestedLayoutActivity.class);

  @Test
  public void performClickOnTextView() {
    onView(withId(R.id.parent_container)).perform(new ViewAction() {

      @Override

Ansh1234

 @Rule
  public ActivityTestRule mActivityRule = new ActivityTestRule(LoginActivity.class, false, false);

  @Before
  public void init() {
    Intent intent = new Intent();
    intent.putExtra("key", "value");
    mActivityRule.launchActivity(intent);
  }

Ansh1234

    @Test
    public void turnOffWifi() throws UiObjectNotFoundException {
        String wiFi = "Wi‑Fi";

        //Get an instance of device and press home button
        UiDevice device = UiDevice.getInstance(InstrumentationRegistry.getInstrumentation());
        device.pressHome();

        //To get the list of all apps, find an object which has description "Apps" and click it
        UiObject2 allApps = device.findObject(By.desc("Apps"));

Ansh1234

 /**
   * Method to check whether to check Google Play Services is up to date.
   *
   * @return
   */
  private boolean checkPlayServices() {
    GoogleApiAvailability googleAPI = GoogleApiAvailability.getInstance();
    int result = googleAPI.isGooglePlayServicesAvailable(this);
    if (result != ConnectionResult.SUCCESS) {
      //Google Play Services app is not available or version is not up to date. Error the 

Ansh1234

if (result != ConnectionResult.SUCCESS) {
      //Any random request code
      int PLAY_SERVICES_RESOLUTION_REQUEST = 1000;
      //Google Play Services app is not available or version is not up to date. Error the
      // error condition here
      if (googleAPI.isUserResolvableError(result)) {
        googleAPI.getErrorDialog(this, result,
            PLAY_SERVICES_RESOLUTION_REQUEST).show();
      }
      return false;

Ansh1234

public class RandomClass{

  private static final String characters = "abcdefghijklmnopqrstuvwxyz0123456789";

  public static String getRandomString(int length) {
    if (length < 0 || length > 10) {
      return "Random";
    }
    StringBuilder stringBuilder = new StringBuilder();
    Random random = new Random();

Ansh1234

public class StringPrinter {

  private final ThreadPoolExecutor threadPoolExecutor = new ThreadPoolExecutor(2, 2, 0,
      TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>());
  
   public static void main(String[] args) {
    new StringPrinter().printString();
  }

  public void printString() {