test/uiautomator/integration-tests/testapp/src/androidTest/java/androidx/test/uiautomator/testapp/UiDeviceTest.java - platform/frameworks/support - Git at Google

 /*
  * Copyright 2022 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package androidx.test.uiautomator.testapp;

 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.junit.Assert.assertTrue;

 import android.graphics.Point;
 import android.view.KeyEvent;
 import android.widget.TextView;

 import androidx.test.filters.LargeTest;
 import androidx.test.filters.SdkSuppress;
 import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.uiautomator.By;
 import androidx.test.uiautomator.UiDevice;
 import androidx.test.uiautomator.UiObject2;
 import androidx.test.uiautomator.Until;

 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.TemporaryFolder;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;

 import java.io.File;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
 import java.util.regex.Pattern;

 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.xpath.XPathConstants;
 import javax.xml.xpath.XPathFactory;

 /** Integration tests for {@link androidx.test.uiautomator.UiDevice}. */
 @LargeTest
 public class UiDeviceTest extends BaseTest {

  private static final long TIMEOUT_MS = 5_000;

  private static final int GESTURE_MARGIN = 50;

  private static final String PACKAGE_NAME = "androidx.test.uiautomator.testapp";

  // Defined in 'AndroidManifest.xml'.
  private static final String APP_NAME = "UiAutomator Test App";

  @Rule
  public TemporaryFolder mTmpDir = new TemporaryFolder();

  @Test
  public void testHasObject() {
  launchTestActivity(MainActivity.class);

  assertTrue(mDevice.hasObject(By.text("Accessible button")));
  assertFalse(mDevice.hasObject(By.text("non-existent text")));
  }

  @Test
  public void testFindObjects() {
  launchTestActivity(MainActivity.class);

  // The package name in the `By` selector needs to be specified, otherwise
  // `mDevice.findObjects` will grab all the `TextView` in the display screen.
  // Note that the items in `ListView` will also be `TextView`. So there are 9 `TextView`s
  // in total.
  List<UiObject2> results = mDevice.findObjects(By.pkg(TEST_APP).clazz(TextView.class));
  assertEquals(9, results.size());

  Set<String> resultTexts = new HashSet<>();
  for (UiObject2 result : results) {
  resultTexts.add(result.getText());
  }
  assertTrue(resultTexts.contains("Third Level"));
  assertTrue(resultTexts.contains("Second Level"));
  assertTrue(resultTexts.contains("First Level"));
  assertTrue(resultTexts.contains("Sample text"));
  assertTrue(resultTexts.contains("Text View 1"));
  assertTrue(resultTexts.contains("TextView with an id"));
  assertTrue(resultTexts.contains("Item1"));
  assertTrue(resultTexts.contains("Item2"));
  assertTrue(resultTexts.contains("Item3"));

  assertEquals(0, mDevice.findObjects(By.text("non-existent text")).size());
  }

  @Test
  public void testPerformActionAndWait() {
  launchTestActivity(ClickAndWaitTestActivity.class);

  UiObject2 button = mDevice.findObject(By.res(TEST_APP, "new_window_button"));
  Point buttonCenter = button.getVisibleCenter();

  assertTrue(mDevice.performActionAndWait(() -> mDevice.click(buttonCenter.x, buttonCenter.y),
  Until.newWindow(), TIMEOUT_MS));
  }

  @Test
  public void testSetCompressedLayoutHeirarchy() { // NOTYPO: already-existing typo
  launchTestActivity(MainActivity.class);

  mDevice.setCompressedLayoutHeirarchy(true); // NOTYPO
  assertNull(mDevice.findObject(By.res(TEST_APP, "nested_elements")));

  mDevice.setCompressedLayoutHeirarchy(false); // NOTYPO
  assertNotNull(mDevice.findObject(By.res(TEST_APP, "nested_elements")));
  }

  @Test
  public void testGetInstance() {
  assertEquals(mDevice, UiDevice.getInstance());
  }

  @Test
  public void testGetInstance_withInstrumentation() {
  assertEquals(mDevice, UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()));
  }

  @Test
  public void testPressMenu() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressMenu();
  assertEquals("keycode menu pressed", textView.getText());
  }

  @Test
  public void testPressBack() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressBack();
  assertEquals("keycode back pressed", textView.getText());
  }

  @Test
  public void testPressSearch() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressSearch();
  assertEquals("keycode search pressed", textView.getText());
  }

  @Test
  public void testPressDPadCenter() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressDPadCenter();
  assertEquals("keycode dpad center pressed", textView.getText());
  }

  @Test
  public void testPressDPadDown() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressDPadDown();
  assertEquals("keycode dpad down pressed", textView.getText());
  }

  @Test
  public void testPressDPadUp() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressDPadUp();
  assertEquals("keycode dpad up pressed", textView.getText());
  }

  @Test
  public void testPressDPadLeft() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressDPadLeft();
  assertEquals("keycode dpad left pressed", textView.getText());
  }

  @Test
  public void testPressDPadRight() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressDPadRight();
  assertEquals("keycode dpad right pressed", textView.getText());
  }

  @Test
  public void testPressDelete() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressDelete();
  assertEquals("keycode delete pressed", textView.getText());
  }

  @Test
  public void testPressEnter() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressEnter();
  assertEquals("keycode enter pressed", textView.getText());
  }

  @Test
  public void testPressKeyCode() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressKeyCode(KeyEvent.KEYCODE_0);
  assertEquals("keycode 0 pressed", textView.getText());
  }

  @Test
  public void testPressKeyCode_withMetaState() {
  launchTestActivity(KeycodeTestActivity.class);

  UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
  mDevice.pressKeyCode(KeyEvent.KEYCODE_Z,
  KeyEvent.META_SHIFT_LEFT_ON | KeyEvent.META_SHIFT_ON);
  assertEquals("keycode Z pressed with meta shift left on", textView.getText());
  }

  @Test
  public void testPressRecentApps() throws Exception {
  launchTestActivity(KeycodeTestActivity.class);

  // No app name when the app is running.
  assertFalse(mDevice.wait(Until.hasObject(By.text(APP_NAME)), TIMEOUT_MS));

  mDevice.pressRecentApps();

  Pattern iconResIdPattern = Pattern.compile(".*launcher.*icon");
  // For API 28 and above, click on the app icon to make the name visible.
  if (mDevice.wait(Until.hasObject(By.res(iconResIdPattern)), TIMEOUT_MS)) {
  UiObject2 icon = mDevice.findObject(By.res(iconResIdPattern));
  icon.click();
  }

  // App name appears when on Recent screen.
  assertTrue(mDevice.wait(Until.hasObject(By.text(APP_NAME)), TIMEOUT_MS));
  }

  @Test
  public void testOpenNotification() {
  launchTestActivity(NotificationTestActivity.class);

  UiObject2 button = mDevice.findObject(By.res(TEST_APP, "notification_button"));
  button.click();

  mDevice.openNotification();

  assertTrue(mDevice.wait(Until.hasObject(By.text("Test Notification")), TIMEOUT_MS));
  }

  @Test
  public void testOpenQuickSettings() {
  mDevice.openQuickSettings();

  assertTrue(mDevice.wait(Until.hasObject(By.res(Pattern.compile(".*quick_settings_panel"))),
  TIMEOUT_MS));
  }

  @Test
  public void testClick() {
  launchTestActivity(UiDeviceTestClickActivity.class);

  // Click a button in the middle of the activity.
  int width = mDevice.getDisplayWidth();
  int height = mDevice.getDisplayHeight();
  mDevice.click(width / 2, height / 2);

  // Verify that the button was clicked.
  UiObject2 button = mDevice.findObject(By.res(TEST_APP, "button"));
  assertNotNull(button);
  assertEquals("I've been clicked!", button.getText());
  }

  @Test
  public void testSwipe() {
  launchTestActivity(SwipeTestActivity.class);

  UiObject2 swipeRegion = mDevice.findObject(By.res(TEST_APP, "swipe_region"));

  int width = mDevice.getDisplayWidth();
  int height = mDevice.getDisplayHeight();
  mDevice.swipe(GESTURE_MARGIN, height / 2, width - GESTURE_MARGIN, height / 2, 10);

  assertTrue(swipeRegion.wait(Until.textEquals("swipe_right"), TIMEOUT_MS));
  }

  @Test
  @SdkSuppress(minSdkVersion = 24)
  public void testDrag() {
  launchTestActivity(DragTestActivity.class);

  UiObject2 dragButton = mDevice.findObject(By.res(TEST_APP, "drag_button"));
  UiObject2 dragDestination = mDevice.findObject(By.res(TEST_APP, "drag_destination"));

  Point start = dragButton.getVisibleCenter();
  Point end = dragDestination.getVisibleCenter();

  assertEquals("no_drag_yet", dragDestination.getText());
  mDevice.drag(start.x, start.y, end.x, end.y, 10);
  assertTrue(dragDestination.wait(Until.textEquals("drag_received"), TIMEOUT_MS));
  }

  @Test
  public void testSwipe_withPointArray() {
  launchTestActivity(SwipeTestActivity.class);

  UiObject2 swipeRegion = mDevice.findObject(By.res(TEST_APP, "swipe_region"));

  int width = mDevice.getDisplayWidth();
  int height = mDevice.getDisplayHeight();

  Point point1 = new Point(GESTURE_MARGIN, height / 2);
  Point point2 = new Point(width / 2, height / 2);
  Point point3 = new Point(width - GESTURE_MARGIN, height / 2);

  mDevice.swipe(new Point[]{point1, point2, point3}, 10);

  assertTrue(swipeRegion.wait(Until.textEquals("swipe_right"), TIMEOUT_MS));
  }

  @Test
  public void testGetCurrentPackageName() {
  launchTestActivity(KeycodeTestActivity.class);

  assertEquals(PACKAGE_NAME, mDevice.getCurrentPackageName());
  }

  /* TODO(b/235841020): Implement these tests, and the tests for exceptions of each tested method.

  public void testRegisterWatcher() {}

  public void testRemoveWatcher() {}

  public void testRunWatchers() {}

  public void testResetWatcherTriggers() {}

  public void testHasWatcherTriggered() {}

  public void testHasAnyWatcherTriggered() {}

  public void testIsNaturalOrientation() {}

  public void testGetDisplayRotation() {}

  public void testFreezeRotation() {}

  public void testUnfreezeRotation() {}

  public void testSetOrientationLeft() {}

  public void testSetOrientationRight() {}

  public void testSetOrientationNatural() {}

  public void testWakeUp() {}

  public void testIsScreenOn() {}

  public void testSleep() {}

  public void testDumpWindowHierarchy_withString() {}

  public void testDumpWindowHierarchy_withFile() {} // already added

  public void testDumpWindowHierarchy_withOutputStream() {}
  */

  @Test
  public void testDumpWindowHierarchy() throws Exception {
  launchTestActivity(MainActivity.class);
  File outFile = mTmpDir.newFile();
  mDevice.dumpWindowHierarchy(outFile);

  // Verify that a valid XML file was generated and that node attributes are correct.
  Document xml = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(outFile);
  Element element = (Element) XPathFactory.newInstance().newXPath()
  .compile("//hierarchy//*/node[@resource-id='" + TEST_APP + ":id/button']")
  .evaluate(xml, XPathConstants.NODE);
  assertNotNull(element);
  assertNotNull(Integer.valueOf(element.getAttribute("index")));
  assertEquals("Accessible button", element.getAttribute("text"));
  assertEquals(TEST_APP + ":id/button", element.getAttribute("resource-id"));
  assertEquals("android.widget.Button", element.getAttribute("class"));
  assertEquals(TEST_APP, element.getAttribute("package"));
  assertEquals("I'm accessible!", element.getAttribute("content-desc"));
  assertEquals("false", element.getAttribute("checkable"));
  assertEquals("false", element.getAttribute("checked"));
  assertEquals("true", element.getAttribute("clickable"));
  assertEquals("true", element.getAttribute("enabled"));
  assertEquals("true", element.getAttribute("focusable"));
  assertNotNull(element.getAttribute("focused"));
  assertEquals("false", element.getAttribute("scrollable"));
  assertEquals("false", element.getAttribute("long-clickable"));
  assertEquals("false", element.getAttribute("password"));
  assertEquals("false", element.getAttribute("selected"));
  assertEquals("true", element.getAttribute("visible-to-user"));
  assertNotNull(element.getAttribute("bounds"));
  }

  /* TODO(b/235841020): Implement these tests, and the tests for exceptions of each tested method.

  public void testWaitForWindowUpdate() {}

  public void testTakeScreenshot() {} // already added

  public void testTakeScreenshot_withScaleAndQuality() {} // already added

  public void testGetLauncherPackageName() {}

  public void testExecuteShellCommand() {} // already added
  */
 }
	/*
	* Copyright 2022 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package androidx.test.uiautomator.testapp;

	import static org.junit.Assert.assertEquals;
	import static org.junit.Assert.assertFalse;
	import static org.junit.Assert.assertNotNull;
	import static org.junit.Assert.assertNull;
	import static org.junit.Assert.assertTrue;

	import android.graphics.Point;
	import android.view.KeyEvent;
	import android.widget.TextView;

	import androidx.test.filters.LargeTest;
	import androidx.test.filters.SdkSuppress;
	import androidx.test.platform.app.InstrumentationRegistry;
	import androidx.test.uiautomator.By;
	import androidx.test.uiautomator.UiDevice;
	import androidx.test.uiautomator.UiObject2;
	import androidx.test.uiautomator.Until;

	import org.junit.Rule;
	import org.junit.Test;
	import org.junit.rules.TemporaryFolder;
	import org.w3c.dom.Document;
	import org.w3c.dom.Element;

	import java.io.File;
	import java.util.HashSet;
	import java.util.List;
	import java.util.Set;
	import java.util.regex.Pattern;

	import javax.xml.parsers.DocumentBuilderFactory;
	import javax.xml.xpath.XPathConstants;
	import javax.xml.xpath.XPathFactory;

	/** Integration tests for {@link androidx.test.uiautomator.UiDevice}. */
	@LargeTest
	public class UiDeviceTest extends BaseTest {

	private static final long TIMEOUT_MS = 5_000;

	private static final int GESTURE_MARGIN = 50;

	private static final String PACKAGE_NAME = "androidx.test.uiautomator.testapp";

	// Defined in 'AndroidManifest.xml'.
	private static final String APP_NAME = "UiAutomator Test App";

	@Rule
	public TemporaryFolder mTmpDir = new TemporaryFolder();

	@Test
	public void testHasObject() {
	launchTestActivity(MainActivity.class);

	assertTrue(mDevice.hasObject(By.text("Accessible button")));
	assertFalse(mDevice.hasObject(By.text("non-existent text")));
	}

	@Test
	public void testFindObjects() {
	launchTestActivity(MainActivity.class);

	// The package name in the `By` selector needs to be specified, otherwise
	// `mDevice.findObjects` will grab all the `TextView` in the display screen.
	// Note that the items in `ListView` will also be `TextView`. So there are 9 `TextView`s
	// in total.
	List<UiObject2> results = mDevice.findObjects(By.pkg(TEST_APP).clazz(TextView.class));
	assertEquals(9, results.size());

	Set<String> resultTexts = new HashSet<>();
	for (UiObject2 result : results) {
	resultTexts.add(result.getText());
	}
	assertTrue(resultTexts.contains("Third Level"));
	assertTrue(resultTexts.contains("Second Level"));
	assertTrue(resultTexts.contains("First Level"));
	assertTrue(resultTexts.contains("Sample text"));
	assertTrue(resultTexts.contains("Text View 1"));
	assertTrue(resultTexts.contains("TextView with an id"));
	assertTrue(resultTexts.contains("Item1"));
	assertTrue(resultTexts.contains("Item2"));
	assertTrue(resultTexts.contains("Item3"));

	assertEquals(0, mDevice.findObjects(By.text("non-existent text")).size());
	}

	@Test
	public void testPerformActionAndWait() {
	launchTestActivity(ClickAndWaitTestActivity.class);

	UiObject2 button = mDevice.findObject(By.res(TEST_APP, "new_window_button"));
	Point buttonCenter = button.getVisibleCenter();

	assertTrue(mDevice.performActionAndWait(() -> mDevice.click(buttonCenter.x, buttonCenter.y),
	Until.newWindow(), TIMEOUT_MS));
	}

	@Test
	public void testSetCompressedLayoutHeirarchy() { // NOTYPO: already-existing typo
	launchTestActivity(MainActivity.class);

	mDevice.setCompressedLayoutHeirarchy(true); // NOTYPO
	assertNull(mDevice.findObject(By.res(TEST_APP, "nested_elements")));

	mDevice.setCompressedLayoutHeirarchy(false); // NOTYPO
	assertNotNull(mDevice.findObject(By.res(TEST_APP, "nested_elements")));
	}

	@Test
	public void testGetInstance() {
	assertEquals(mDevice, UiDevice.getInstance());
	}

	@Test
	public void testGetInstance_withInstrumentation() {
	assertEquals(mDevice, UiDevice.getInstance(InstrumentationRegistry.getInstrumentation()));
	}

	@Test
	public void testPressMenu() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressMenu();
	assertEquals("keycode menu pressed", textView.getText());
	}

	@Test
	public void testPressBack() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressBack();
	assertEquals("keycode back pressed", textView.getText());
	}

	@Test
	public void testPressSearch() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressSearch();
	assertEquals("keycode search pressed", textView.getText());
	}

	@Test
	public void testPressDPadCenter() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressDPadCenter();
	assertEquals("keycode dpad center pressed", textView.getText());
	}

	@Test
	public void testPressDPadDown() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressDPadDown();
	assertEquals("keycode dpad down pressed", textView.getText());
	}

	@Test
	public void testPressDPadUp() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressDPadUp();
	assertEquals("keycode dpad up pressed", textView.getText());
	}

	@Test
	public void testPressDPadLeft() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressDPadLeft();
	assertEquals("keycode dpad left pressed", textView.getText());
	}

	@Test
	public void testPressDPadRight() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressDPadRight();
	assertEquals("keycode dpad right pressed", textView.getText());
	}

	@Test
	public void testPressDelete() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressDelete();
	assertEquals("keycode delete pressed", textView.getText());
	}

	@Test
	public void testPressEnter() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressEnter();
	assertEquals("keycode enter pressed", textView.getText());
	}

	@Test
	public void testPressKeyCode() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressKeyCode(KeyEvent.KEYCODE_0);
	assertEquals("keycode 0 pressed", textView.getText());
	}

	@Test
	public void testPressKeyCode_withMetaState() {
	launchTestActivity(KeycodeTestActivity.class);

	UiObject2 textView = mDevice.findObject(By.res(TEST_APP, "text_view"));
	mDevice.pressKeyCode(KeyEvent.KEYCODE_Z,
	KeyEvent.META_SHIFT_LEFT_ON \| KeyEvent.META_SHIFT_ON);
	assertEquals("keycode Z pressed with meta shift left on", textView.getText());
	}

	@Test
	public void testPressRecentApps() throws Exception {
	launchTestActivity(KeycodeTestActivity.class);

	// No app name when the app is running.
	assertFalse(mDevice.wait(Until.hasObject(By.text(APP_NAME)), TIMEOUT_MS));

	mDevice.pressRecentApps();

	Pattern iconResIdPattern = Pattern.compile(".launcher.icon");
	// For API 28 and above, click on the app icon to make the name visible.
	if (mDevice.wait(Until.hasObject(By.res(iconResIdPattern)), TIMEOUT_MS)) {
	UiObject2 icon = mDevice.findObject(By.res(iconResIdPattern));
	icon.click();
	}

	// App name appears when on Recent screen.
	assertTrue(mDevice.wait(Until.hasObject(By.text(APP_NAME)), TIMEOUT_MS));
	}

	@Test
	public void testOpenNotification() {
	launchTestActivity(NotificationTestActivity.class);

	UiObject2 button = mDevice.findObject(By.res(TEST_APP, "notification_button"));
	button.click();

	mDevice.openNotification();

	assertTrue(mDevice.wait(Until.hasObject(By.text("Test Notification")), TIMEOUT_MS));
	}

	@Test
	public void testOpenQuickSettings() {
	mDevice.openQuickSettings();

	assertTrue(mDevice.wait(Until.hasObject(By.res(Pattern.compile(".*quick_settings_panel"))),
	TIMEOUT_MS));
	}

	@Test
	public void testClick() {
	launchTestActivity(UiDeviceTestClickActivity.class);

	// Click a button in the middle of the activity.
	int width = mDevice.getDisplayWidth();
	int height = mDevice.getDisplayHeight();
	mDevice.click(width / 2, height / 2);

	// Verify that the button was clicked.
	UiObject2 button = mDevice.findObject(By.res(TEST_APP, "button"));
	assertNotNull(button);
	assertEquals("I've been clicked!", button.getText());
	}

	@Test
	public void testSwipe() {
	launchTestActivity(SwipeTestActivity.class);

	UiObject2 swipeRegion = mDevice.findObject(By.res(TEST_APP, "swipe_region"));

	int width = mDevice.getDisplayWidth();
	int height = mDevice.getDisplayHeight();
	mDevice.swipe(GESTURE_MARGIN, height / 2, width - GESTURE_MARGIN, height / 2, 10);

	assertTrue(swipeRegion.wait(Until.textEquals("swipe_right"), TIMEOUT_MS));
	}

	@Test
	@SdkSuppress(minSdkVersion = 24)
	public void testDrag() {
	launchTestActivity(DragTestActivity.class);

	UiObject2 dragButton = mDevice.findObject(By.res(TEST_APP, "drag_button"));
	UiObject2 dragDestination = mDevice.findObject(By.res(TEST_APP, "drag_destination"));

	Point start = dragButton.getVisibleCenter();
	Point end = dragDestination.getVisibleCenter();

	assertEquals("no_drag_yet", dragDestination.getText());
	mDevice.drag(start.x, start.y, end.x, end.y, 10);
	assertTrue(dragDestination.wait(Until.textEquals("drag_received"), TIMEOUT_MS));
	}

	@Test
	public void testSwipe_withPointArray() {
	launchTestActivity(SwipeTestActivity.class);

	UiObject2 swipeRegion = mDevice.findObject(By.res(TEST_APP, "swipe_region"));

	int width = mDevice.getDisplayWidth();
	int height = mDevice.getDisplayHeight();

	Point point1 = new Point(GESTURE_MARGIN, height / 2);
	Point point2 = new Point(width / 2, height / 2);
	Point point3 = new Point(width - GESTURE_MARGIN, height / 2);

	mDevice.swipe(new Point[]{point1, point2, point3}, 10);

	assertTrue(swipeRegion.wait(Until.textEquals("swipe_right"), TIMEOUT_MS));
	}

	@Test
	public void testGetCurrentPackageName() {
	launchTestActivity(KeycodeTestActivity.class);

	assertEquals(PACKAGE_NAME, mDevice.getCurrentPackageName());
	}

	/* TODO(b/235841020): Implement these tests, and the tests for exceptions of each tested method.

	public void testRegisterWatcher() {}

	public void testRemoveWatcher() {}

	public void testRunWatchers() {}

	public void testResetWatcherTriggers() {}

	public void testHasWatcherTriggered() {}

	public void testHasAnyWatcherTriggered() {}

	public void testIsNaturalOrientation() {}

	public void testGetDisplayRotation() {}

	public void testFreezeRotation() {}

	public void testUnfreezeRotation() {}

	public void testSetOrientationLeft() {}

	public void testSetOrientationRight() {}

	public void testSetOrientationNatural() {}

	public void testWakeUp() {}

	public void testIsScreenOn() {}

	public void testSleep() {}

	public void testDumpWindowHierarchy_withString() {}

	public void testDumpWindowHierarchy_withFile() {} // already added

	public void testDumpWindowHierarchy_withOutputStream() {}
	*/

	@Test
	public void testDumpWindowHierarchy() throws Exception {
	launchTestActivity(MainActivity.class);
	File outFile = mTmpDir.newFile();
	mDevice.dumpWindowHierarchy(outFile);

	// Verify that a valid XML file was generated and that node attributes are correct.
	Document xml = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(outFile);
	Element element = (Element) XPathFactory.newInstance().newXPath()
	.compile("//hierarchy//*/node[@resource-id='" + TEST_APP + ":id/button']")
	.evaluate(xml, XPathConstants.NODE);
	assertNotNull(element);
	assertNotNull(Integer.valueOf(element.getAttribute("index")));
	assertEquals("Accessible button", element.getAttribute("text"));
	assertEquals(TEST_APP + ":id/button", element.getAttribute("resource-id"));
	assertEquals("android.widget.Button", element.getAttribute("class"));
	assertEquals(TEST_APP, element.getAttribute("package"));
	assertEquals("I'm accessible!", element.getAttribute("content-desc"));
	assertEquals("false", element.getAttribute("checkable"));
	assertEquals("false", element.getAttribute("checked"));
	assertEquals("true", element.getAttribute("clickable"));
	assertEquals("true", element.getAttribute("enabled"));
	assertEquals("true", element.getAttribute("focusable"));
	assertNotNull(element.getAttribute("focused"));
	assertEquals("false", element.getAttribute("scrollable"));
	assertEquals("false", element.getAttribute("long-clickable"));
	assertEquals("false", element.getAttribute("password"));
	assertEquals("false", element.getAttribute("selected"));
	assertEquals("true", element.getAttribute("visible-to-user"));
	assertNotNull(element.getAttribute("bounds"));
	}

	/* TODO(b/235841020): Implement these tests, and the tests for exceptions of each tested method.

	public void testWaitForWindowUpdate() {}

	public void testTakeScreenshot() {} // already added

	public void testTakeScreenshot_withScaleAndQuality() {} // already added

	public void testGetLauncherPackageName() {}

	public void testExecuteShellCommand() {} // already added
	*/
	}