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

private void initAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    this.className = StringUtil.nonNullString(info.getClassName());
    this.packageName = StringUtil.nonNullString(info.getPackageName());
    this.resourceId = info.getViewIdResourceName();
    this.text = StringUtil.nonNullString(info.getText());
    this.description = StringUtil.nonNullString(info.getContentDescription());
    Rect rect = new Rect();
    info.getBoundsInScreen(rect);
    this.nodeBound = rect;
    this.isScrollable = info.isScrollable();
    this.visible = info.isVisibleToUser();
    this.isClickable = info.isClickable();
    this.isFocusable = info.isFocusable();
    this.isEditable = info.isEditable();
}
 

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

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

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();
			}
		}
	}
}
 

private static String print(AccessibilityNodeInfo nodeInfo) {

        if (nodeInfo == null)
            return "";

        CharSequence text = nodeInfo.getText();
        CharSequence description = nodeInfo.getContentDescription();
        CharSequence className = nodeInfo.getClassName();
        CharSequence packageName = nodeInfo.getPackageName();
        boolean focusable = nodeInfo.isFocusable();
        boolean clickable = nodeInfo.isClickable();
        Rect rect = new Rect();
        nodeInfo.getBoundsInScreen(rect);
        String viewId = nodeInfo.getViewIdResourceName();

        return "| "
                + "text: " + text + " \t"
                + "description: " + description + " \t"
                + String.format("%-40s", "ID: " + viewId) + " \t"
                + String.format("%-40s", "class: " + className) + " \t"
                + String.format("%-30s", "location: " + rect) + " \t"
//                + "focusable: " + focusable + " \t"
//                + "clickable: " + clickable + " \t"
//                + String.format("%-30s", "package: " + packageName) + " \t"
                ;

    }
 

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();
}