android.view.accessibility.AccessibilityNodeInfo#isChecked ( )源码实例Demo

/**
 * Check if the UI element's <code>checked</code> property is currently true
 *
 * @return true if it is else false
 * @since API Level 16
 */
public boolean isChecked() throws UiObjectNotFoundException {
    Tracer.trace();
    AccessibilityNodeInfo node = findAccessibilityNodeInfo(mConfig.getWaitForSelectorTimeout());
    if(node == null) {
        throw new UiObjectNotFoundException(mUiSelector.toString());
    }
    return node.isChecked();
}
 

/**
 * Check if the UI element's <code>checked</code> property is currently true
 *
 * @return true if it is else false
 * @since API Level 16
 */
public boolean isChecked() throws UiObjectNotFoundException {
    Tracer.trace();
    AccessibilityNodeInfo node = findAccessibilityNodeInfo(mConfig.getWaitForSelectorTimeout());
    if(node == null) {
        throw new UiObjectNotFoundException(mUiSelector.toString());
    }
    return node.isChecked();
}
 

public static void dumpNode(AccessibilityNodeInfo info, Node root,
		int index, int width, int height) {
	root.sourceId = info.getSourceNodeId();
	root.index = index;
	root.text = safeCharSeqToString(info.getText());
	root.res = safeCharSeqToString(info.getViewIdResourceName());
	root.clazz = safeCharSeqToString(info.getClassName());
	root.pkg = safeCharSeqToString(info.getPackageName());
	root.desc = safeCharSeqToString(info.getContentDescription());
	root.checkable = info.isCheckable();
	root.checked = info.isChecked();
	root.clickable = info.isClickable();
	root.enabled = info.isEnabled();
	root.focusable = info.isFocusable();
	root.focused = info.isFocused();
	root.scrollable = info.isScrollable();
	root.longClickable = info.isLongClickable();
	root.password = info.isPassword();
	root.selected = info.isSelected();
	android.graphics.Rect r = AccessibilityNodeInfoHelper
			.getVisibleBoundsInScreen(info, width, height);
	root.rect = new Rect(r.left, r.top, r.right, r.bottom);
	root.children = new ArrayList<Node>();
	int count = info.getChildCount();
	for (int i = 0; i < count; i++) {
		AccessibilityNodeInfo child = info.getChild(i);
		if (child != null) {
			if (child.isVisibleToUser()) {
				Node childNode = new Node();
				dumpNode(child, childNode, i, width, height);
				root.children.add(childNode);
				child.recycle();
			}
		}
	}
}
 

Builder(int id, @Nullable ViewHierarchyElementAndroid parent, AccessibilityNodeInfo fromInfo) {
  // Bookkeeping
  this.id = id;
  this.parentId = (parent != null) ? parent.getId() : null;

  // API 18+ properties
  this.resourceName = AT_18 ? fromInfo.getViewIdResourceName() : null;
  this.editable = AT_18 ? fromInfo.isEditable() : null;

  // API 16+ properties
  this.visibleToUser = AT_16 ? fromInfo.isVisibleToUser() : null;

  // API 21+ properties
  if (AT_21) {
    ImmutableList.Builder<ViewHierarchyActionAndroid> actionBuilder =
        new ImmutableList.Builder<>();
    actionBuilder.addAll(
        Lists.transform(
            fromInfo.getActionList(),
            action -> ViewHierarchyActionAndroid.newBuilder(action).build()));
    this.actionList = actionBuilder.build();
  }

  // API 24+ properties
  this.drawingOrder = AT_24 ? fromInfo.getDrawingOrder() : null;

  // API 29+ properties
  this.hasTouchDelegate = AT_29 ? (fromInfo.getTouchDelegateInfo() != null) : null;

  // Base properties
  this.className = fromInfo.getClassName();
  this.packageName = fromInfo.getPackageName();
  this.accessibilityClassName = fromInfo.getClassName();
  this.contentDescription = SpannableStringAndroid.valueOf(fromInfo.getContentDescription());
  this.text = SpannableStringAndroid.valueOf(fromInfo.getText());

  this.importantForAccessibility = true;
  this.clickable = fromInfo.isClickable();
  this.longClickable = fromInfo.isLongClickable();
  this.focusable = fromInfo.isFocusable();
  this.scrollable = fromInfo.isScrollable();
  this.canScrollForward =
      ((fromInfo.getActions() & AccessibilityNodeInfo.ACTION_SCROLL_FORWARD) != 0);
  this.canScrollBackward =
      ((fromInfo.getActions() & AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD) != 0);
  this.checkable = fromInfo.isCheckable();
  this.checked = fromInfo.isChecked();
  this.touchDelegateBounds = new ArrayList<>(); // Populated after construction
  android.graphics.Rect tempRect = new android.graphics.Rect();
  fromInfo.getBoundsInScreen(tempRect);
  this.boundsInScreen = new Rect(tempRect.left, tempRect.top, tempRect.right, tempRect.bottom);
  this.nonclippedHeight = null;
  this.nonclippedWidth = null;
  this.textSize = null;
  this.textColor = null;
  this.backgroundDrawableColor = null;
  this.typefaceStyle = null;
  this.enabled = fromInfo.isEnabled();
}
 

/**
 * Processes an AccessibilityEvent, by traversing the View's tree and
 * putting together a message to speak to the user.
 */
@Override
public void onAccessibilityEvent(AccessibilityEvent event) {
    if (!mTextToSpeechInitialized) {
        Log.e(LOG_TAG, "Text-To-Speech engine not ready.  Bailing out.");
        return;
    }

    // This AccessibilityNodeInfo represents the view that fired the
    // AccessibilityEvent. The following code will use it to traverse the
    // view hierarchy, using this node as a starting point.
    //
    // NOTE: Every method that returns an AccessibilityNodeInfo may return null,
    // because the explored window is in another process and the
    // corresponding View might be gone by the time your request reaches the
    // view hierarchy.
    AccessibilityNodeInfo source = event.getSource();
    if (source == null) {
        return;
    }

    // Grab the parent of the view that fired the event.
    AccessibilityNodeInfo rowNode = getListItemNodeInfo(source);
    if (rowNode == null) {
        return;
    }

    // Using this parent, get references to both child nodes, the label and the checkbox.
    AccessibilityNodeInfo labelNode = rowNode.getChild(0);
    if (labelNode == null) {
        rowNode.recycle();
        return;
    }

    AccessibilityNodeInfo completeNode = rowNode.getChild(1);
    if (completeNode == null) {
        rowNode.recycle();
        return;
    }

    // Determine what the task is and whether or not it's complete, based on
    // the text inside the label, and the state of the check-box.
    if (rowNode.getChildCount() < 2 || !rowNode.getChild(1).isCheckable()) {
        rowNode.recycle();
        return;
    }

    CharSequence taskLabel = labelNode.getText();
    final boolean isComplete = completeNode.isChecked();

    String completeStr = null;
    if (isComplete) {
        completeStr = getString(R.string.task_complete);
    } else {
        completeStr = getString(R.string.task_not_complete);
    }

    String taskStr = getString(R.string.task_complete_template, taskLabel, completeStr);
    StringBuilder utterance = new StringBuilder(taskStr);

    // The custom ListView added extra context to the event by adding an
    // AccessibilityRecord to it. Extract that from the event and read it.
    final int records = event.getRecordCount();
    for (int i = 0; i < records; i++) {
        AccessibilityRecord record = event.getRecord(i);
        CharSequence contentDescription = record.getContentDescription();
        if (!TextUtils.isEmpty(contentDescription )) {
            utterance.append(SEPARATOR);
            utterance.append(contentDescription);
        }
    }

    // Announce the utterance.
    mTts.speak(utterance.toString(), TextToSpeech.QUEUE_FLUSH, null);
    Log.d(LOG_TAG, utterance.toString());
}
 

public void testAirplaneModeToOn() {
  UiAutomation uiAutomation = getInstrumentation().getUiAutomation();
  // Activityの起動を監視するリスナーをセット
  mMainLaunched = false;
  uiAutomation
      .setOnAccessibilityEventListener(new OnAccessibilityEventListener() {
        @Override
        public void onAccessibilityEvent(AccessibilityEvent event) {
          if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED) {
            // ウィンドウのコンテンツが変わった
            if (TARGET_PKG.equals(event.getPackageName())) {
              // MainActivityが起動した
              mMainLaunched = true;
            }
          }
        }
      });

  // MainActivity起動
  Activity target = launchActivity(TARGET_PKG, MainActivity.class, null);
  try {
    // MainActivity起動待ち
    do {
      Thread.sleep(1000);
    } while (!mMainLaunched);

    // 機内モードをOnにする
    // Settingsの起動
    Intent intent = new Intent(Settings.ACTION_AIRPLANE_MODE_SETTINGS);
    intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    getInstrumentation().getContext().startActivity(intent);

    // Settingsの起動待ち
    AccessibilityNodeInfo root;
    while (true) {
      root = uiAutomation.getRootInActiveWindow();
      if (root != null && SETTINGS_PKG.equals(root.getPackageName())) {
        break;
      } else {
        Thread.sleep(1000);
      }
    }

    // ボタンを押す
    List<AccessibilityNodeInfo> list = root
        .findAccessibilityNodeInfosByViewId("android:id/list");
    AccessibilityNodeInfo listViewInfo = list.get(0);
    AccessibilityNodeInfo airplaneModeView = listViewInfo.getChild(0);
    List<AccessibilityNodeInfo> checkList = airplaneModeView
        .findAccessibilityNodeInfosByViewId("android:id/checkbox");
    AccessibilityNodeInfo airplaneModeCheck = checkList.get(0);
    if (!airplaneModeCheck.isChecked()) {
      airplaneModeView.performAction(AccessibilityNodeInfo.ACTION_CLICK);
    }

    // Backキーを押してSettingsの終了
    uiAutomation.performGlobalAction(AccessibilityService.GLOBAL_ACTION_BACK);

    // 機内モード反映待ち
    Thread.sleep(10000);

    // TextViewの文字列検証
    String expected = target
        .getString(org.techbooster.uiautomationsample.R.string.airplane_mode_off);
    TextView textView = (TextView) target
        .findViewById(org.techbooster.uiautomationsample.R.id.text_view);
    assertEquals(expected, textView.getText().toString());

  } catch (Exception e) {
    fail(e.getMessage());
    e.printStackTrace();
  } finally {
    if (target != null) {
      target.finish();
    }
  }
}