Abort accessibility node prefetch if parent node is null (84feea11) · Commits · e / os / android_frameworks_base

core/java/android/view/AccessibilityInteractionController.java

+7 −5

Original line number	Original line	Diff line number	Diff line
	@@ -1109,15 +1109,17 @@ final class AccessibilityInteractionController {
	\|\| accessibilityViewId == providerHost.getAccessibilityViewId()) {		\|\| accessibilityViewId == providerHost.getAccessibilityViewId()) {
	final AccessibilityNodeInfo parent;		final AccessibilityNodeInfo parent;
	if (virtualDescendantId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {		if (virtualDescendantId != AccessibilityNodeInfo.UNDEFINED_ITEM_ID) {
	parent = provider.createAccessibilityNodeInfo(		parent = provider.createAccessibilityNodeInfo(virtualDescendantId);
	virtualDescendantId);
	} else {		} else {
	parent = provider.createAccessibilityNodeInfo(		parent = provider.createAccessibilityNodeInfo(
	AccessibilityNodeProvider.HOST_VIEW_ID);		AccessibilityNodeProvider.HOST_VIEW_ID);
	}		}
	if (parent != null) {		if (parent == null) {
	outInfos.add(parent);		// Couldn't obtain the parent, which means we have a
			// disconnected sub-tree. Abort prefetch immediately.
			return;
	}		}
			outInfos.add(parent);
	parentNodeId = parent.getParentNodeId();		parentNodeId = parent.getParentNodeId();
	accessibilityViewId = AccessibilityNodeInfo.getAccessibilityViewId(		accessibilityViewId = AccessibilityNodeInfo.getAccessibilityViewId(
	parentNodeId);		parentNodeId);