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Commit 11e5e3f8 authored by Phil Weaver's avatar Phil Weaver
Browse files

Prohibit using recycled AccessibilityNodeInfos. 

Bug: 37858096
Test: Adding a CTS test to verify an exception when using a
node after recycling it. Ran a11y CTS and unit tests.

Change-Id: I5486a7abec681cb6fbb315ff87f0915d5505b8f3
parent a1422523

core/java/android/view/accessibility/AccessibilityNodeInfo.java

+97 −3
Original line number Diff line number Diff line
@@ -651,7 +651,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
    private static AtomicInteger sNumInstancesInUse;



    /**

     * Gets the accessibility view id which identifies a View in the view three.

     * Gets the accessibility view id which identifies a View in the view tree.

     *

     * @param accessibilityNodeId The id of an {@link AccessibilityNodeInfo}.

     * @return The accessibility view id part of the node id.
@@ -743,6 +743,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
    private RangeInfo mRangeInfo;

    private CollectionInfo mCollectionInfo;

    private CollectionItemInfo mCollectionItemInfo;

    private boolean mRecycled;



    /**

     * Hide constructor from clients.
@@ -785,6 +786,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param virtualDescendantId The id of the virtual descendant.

     */

    public void setSource(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        mWindowId = (root != null) ? root.getAccessibilityWindowId() : UNDEFINED_ITEM_ID;

        final int rootAccessibilityViewId =
@@ -804,6 +806,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see #FOCUS_ACCESSIBILITY

     */

    public AccessibilityNodeInfo findFocus(int focus) {

        enforceNotRecycled();

        enforceSealed();

        enforceValidFocusType(focus);

        if (!canPerformRequestOverConnection(mSourceNodeId)) {
@@ -828,6 +831,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The node info for the view that can take accessibility focus.

     */

    public AccessibilityNodeInfo focusSearch(int direction) {

        enforceNotRecycled();

        enforceSealed();

        enforceValidFocusDirection(direction);

        if (!canPerformRequestOverConnection(mSourceNodeId)) {
@@ -843,6 +847,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The window id.

     */

    public int getWindowId() {

        enforceNotRecycled();

        return mWindowId;

    }
@@ -860,6 +865,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public boolean refresh(Bundle arguments, boolean bypassCache) {

        enforceNotRecycled();

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return false;
@@ -923,6 +929,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public long getChildId(int index) {

        enforceNotRecycled();

        if (mChildNodeIds == null) {

            throw new IndexOutOfBoundsException();

        }
@@ -935,6 +942,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The child count.

     */

    public int getChildCount() {

        enforceNotRecycled();

        return mChildNodeIds == null ? 0 : mChildNodeIds.size();

    }
@@ -953,6 +961,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     *

     */

    public AccessibilityNodeInfo getChild(int index) {

        enforceNotRecycled();

        enforceSealed();

        if (mChildNodeIds == null) {

            return null;
@@ -1029,6 +1038,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
    }



    private void addChildInternal(View root, int virtualDescendantId, boolean checked) {

        enforceNotRecycled();

        enforceNotSealed();

        if (mChildNodeIds == null) {

            mChildNodeIds = new LongArray();
@@ -1054,6 +1064,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see #addChild(View, int)

     */

    public boolean removeChild(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        final LongArray childIds = mChildNodeIds;

        if (childIds == null) {
@@ -1074,6 +1085,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * Gets the actions that can be performed on the node.

     */

    public List<AccessibilityAction> getActionList() {

        enforceNotRecycled();

        return CollectionUtils.emptyIfNull(mActions);

    }
@@ -1101,6 +1113,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     */

    @Deprecated

    public int getActions() {

        enforceNotRecycled();

        int returnValue = 0;



        if (mActions == null) {
@@ -1139,6 +1152,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void addAction(AccessibilityAction action) {

        enforceNotRecycled();

        enforceNotSealed();



        addActionUnchecked(action);
@@ -1174,6 +1188,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     */

    @Deprecated

    public void addAction(int action) {

        enforceNotRecycled();

        enforceNotSealed();



        if ((action & ACTION_TYPE_MASK) != 0) {
@@ -1200,6 +1215,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     */

    @Deprecated

    public void removeAction(int action) {

        enforceNotRecycled();

        enforceNotSealed();



        removeAction(getActionSingleton(action));
@@ -1220,6 +1236,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public boolean removeAction(AccessibilityAction action) {

        enforceNotRecycled();

        enforceNotSealed();



        if (mActions == null || action == null) {
@@ -1235,6 +1252,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public void removeAllActions() {

        enforceNotRecycled();

        if (mActions != null) {

            mActions.clear();

        }
@@ -1250,6 +1268,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see #setTraversalBefore(android.view.View, int)

     */

    public AccessibilityNodeInfo getTraversalBefore() {

        enforceNotRecycled();

        enforceSealed();

        return getNodeForAccessibilityId(mTraversalBefore);

    }
@@ -1294,6 +1313,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param virtualDescendantId The id of the virtual descendant.

     */

    public void setTraversalBefore(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        final int rootAccessibilityViewId = (root != null)

                ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
@@ -1311,6 +1331,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see #setTraversalAfter(android.view.View, int)

     */

    public AccessibilityNodeInfo getTraversalAfter() {

        enforceNotRecycled();

        enforceSealed();

        return getNodeForAccessibilityId(mTraversalAfter);

    }
@@ -1354,6 +1375,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param virtualDescendantId The id of the virtual descendant.

     */

    public void setTraversalAfter(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        final int rootAccessibilityViewId = (root != null)

                ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
@@ -1371,6 +1393,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see #EXTRA_DATA_TEXT_CHARACTER_LOCATION_KEY

     */

    public List<String> getAvailableExtraData() {

        enforceNotRecycled();

        if (mExtraDataKeys != null) {

            return Collections.unmodifiableList(mExtraDataKeys);

        } else {
@@ -1395,6 +1418,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setAvailableExtraData(List<String> extraDataKeys) {

        enforceNotRecycled();

        enforceNotSealed();

        mExtraDataKeys = new ArrayList<>(extraDataKeys);

    }
@@ -1415,6 +1439,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setMaxTextLength(int max) {

        enforceNotRecycled();

        enforceNotSealed();

        mMaxTextLength = max;

    }
@@ -1426,6 +1451,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see #setMaxTextLength(int)

     */

    public int getMaxTextLength() {

        enforceNotRecycled();

        return mMaxTextLength;

    }
@@ -1442,6 +1468,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setMovementGranularities(int granularities) {

        enforceNotRecycled();

        enforceNotSealed();

        mMovementGranularities = granularities;

    }
@@ -1452,6 +1479,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The bit mask with granularities.

     */

    public int getMovementGranularities() {

        enforceNotRecycled();

        return mMovementGranularities;

    }
@@ -1468,6 +1496,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called outside of an AccessibilityService.

     */

    public boolean performAction(int action) {

        enforceNotRecycled();

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return false;
@@ -1491,6 +1520,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called outside of an AccessibilityService.

     */

    public boolean performAction(int action, Bundle arguments) {

        enforceNotRecycled();

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return false;
@@ -1515,6 +1545,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return A list of node info.

     */

    public List<AccessibilityNodeInfo> findAccessibilityNodeInfosByText(String text) {

        enforceNotRecycled();

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return Collections.emptyList();
@@ -1546,6 +1577,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return A list of node info.

     */

    public List<AccessibilityNodeInfo> findAccessibilityNodeInfosByViewId(String viewId) {

        enforceNotRecycled();

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return Collections.emptyList();
@@ -1563,6 +1595,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see android.accessibilityservice.AccessibilityService#getWindows()

     */

    public AccessibilityWindowInfo getWindow() {

        enforceNotRecycled();

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return null;
@@ -1582,6 +1615,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The parent.

     */

    public AccessibilityNodeInfo getParent() {

        enforceNotRecycled();

        enforceSealed();

        return getNodeForAccessibilityId(mParentNodeId);

    }
@@ -1631,6 +1665,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param virtualDescendantId The id of the virtual descendant.

     */

    public void setParent(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        final int rootAccessibilityViewId =

            (root != null) ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
@@ -1643,6 +1678,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param outBounds The output node bounds.

     */

    public void getBoundsInParent(Rect outBounds) {

        enforceNotRecycled();

        outBounds.set(mBoundsInParent.left, mBoundsInParent.top,

                mBoundsInParent.right, mBoundsInParent.bottom);

    }
@@ -1660,6 +1696,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setBoundsInParent(Rect bounds) {

        enforceNotRecycled();

        enforceNotSealed();

        mBoundsInParent.set(bounds.left, bounds.top, bounds.right, bounds.bottom);

    }
@@ -1670,6 +1707,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param outBounds The output node bounds.

     */

    public void getBoundsInScreen(Rect outBounds) {

        enforceNotRecycled();

        outBounds.set(mBoundsInScreen.left, mBoundsInScreen.top,

                mBoundsInScreen.right, mBoundsInScreen.bottom);

    }
@@ -1680,6 +1718,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide Not safe to expose outside the framework.

     */

    public Rect getBoundsInScreen() {

        enforceNotRecycled();

        return mBoundsInScreen;

    }
@@ -1696,6 +1735,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setBoundsInScreen(Rect bounds) {

        enforceNotRecycled();

        enforceNotSealed();

        mBoundsInScreen.set(bounds.left, bounds.top, bounds.right, bounds.bottom);

    }
@@ -2037,6 +2077,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The drawing position of the view corresponding to this node relative to its siblings.

     */

    public int getDrawingOrder() {

        enforceNotRecycled();

        return mDrawingOrderInParent;

    }
@@ -2052,6 +2093,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setDrawingOrder(int drawingOrderInParent) {

        enforceNotRecycled();

        enforceNotSealed();

        mDrawingOrderInParent = drawingOrderInParent;

    }
@@ -2063,6 +2105,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The collection info.

     */

    public CollectionInfo getCollectionInfo() {

        enforceNotRecycled();

        return mCollectionInfo;

    }
@@ -2078,6 +2121,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param collectionInfo The collection info.

     */

    public void setCollectionInfo(CollectionInfo collectionInfo) {

        enforceNotRecycled();

        enforceNotSealed();

        mCollectionInfo = collectionInfo;

    }
@@ -2089,6 +2133,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The collection item info.

     */

    public CollectionItemInfo getCollectionItemInfo() {

        enforceNotRecycled();

        return mCollectionItemInfo;

    }
@@ -2102,6 +2147,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * </p>

     */

    public void setCollectionItemInfo(CollectionItemInfo collectionItemInfo) {

        enforceNotRecycled();

        enforceNotSealed();

        mCollectionItemInfo = collectionItemInfo;

    }
@@ -2112,6 +2158,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The range.

     */

    public RangeInfo getRangeInfo() {

        enforceNotRecycled();

        return mRangeInfo;

    }
@@ -2126,6 +2173,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param rangeInfo The range info.

     */

    public void setRangeInfo(RangeInfo rangeInfo) {

        enforceNotRecycled();

        enforceNotSealed();

        mRangeInfo = rangeInfo;

    }
@@ -2198,6 +2246,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see android.view.View#getAccessibilityLiveRegion()

     */

    public int getLiveRegion() {

        enforceNotRecycled();

        return mLiveRegion;

    }
@@ -2214,6 +2263,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @see android.view.View#setAccessibilityLiveRegion(int)

     */

    public void setLiveRegion(int mode) {

        enforceNotRecycled();

        enforceNotSealed();

        mLiveRegion = mode;

    }
@@ -2261,7 +2311,6 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param opensPopup If the the node opens a popup.

     */

    public void setCanOpenPopup(boolean opensPopup) {

        enforceNotSealed();

        setBooleanProperty(BOOLEAN_PROPERTY_OPENS_POPUP, opensPopup);

    }
@@ -2348,6 +2397,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The package name.

     */

    public CharSequence getPackageName() {

        enforceNotRecycled();

        return mPackageName;

    }
@@ -2364,6 +2414,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setPackageName(CharSequence packageName) {

        enforceNotRecycled();

        enforceNotSealed();

        mPackageName = packageName;

    }
@@ -2374,6 +2425,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The class name.

     */

    public CharSequence getClassName() {

        enforceNotRecycled();

        return mClassName;

    }
@@ -2390,6 +2442,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setClassName(CharSequence className) {

        enforceNotRecycled();

        enforceNotSealed();

        mClassName = className;

    }
@@ -2413,6 +2466,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The text.

     */

    public CharSequence getText() {

        enforceNotRecycled();

        // Attach this node to any spans that need it

        if (mText instanceof Spanned) {

            Spanned spanned = (Spanned) mText;
@@ -2435,6 +2489,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public CharSequence getOriginalText() {

        enforceNotRecycled();

        return mOriginalText;

    }
@@ -2451,6 +2506,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setText(CharSequence text) {

        enforceNotRecycled();

        enforceNotSealed();

        mOriginalText = text;

        // Replace any ClickableSpans in mText with placeholders
@@ -2489,6 +2545,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The hint text.

     */

    public CharSequence getHintText() {

        enforceNotRecycled();

        return mHintText;

    }
@@ -2505,6 +2562,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setHintText(CharSequence hintText) {

        enforceNotRecycled();

        enforceNotSealed();

        mHintText = (hintText == null) ? null : hintText.subSequence(0, hintText.length());

    }
@@ -2522,6 +2580,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setError(CharSequence error) {

        enforceNotRecycled();

        enforceNotSealed();

        mError = (error == null) ? null : error.subSequence(0, error.length());

    }
@@ -2532,6 +2591,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The error text.

     */

    public CharSequence getError() {

        enforceNotRecycled();

        return mError;

    }
@@ -2541,6 +2601,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The content description.

     */

    public CharSequence getContentDescription() {

        enforceNotRecycled();

        return mContentDescription;

    }
@@ -2557,6 +2618,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setContentDescription(CharSequence contentDescription) {

        enforceNotRecycled();

        enforceNotSealed();

        mContentDescription = (contentDescription == null) ? null

                : contentDescription.subSequence(0, contentDescription.length());
@@ -2569,6 +2631,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param labeled The view for which this info serves as a label.

     */

    public void setLabelFor(View labeled) {

        enforceNotRecycled();

        setLabelFor(labeled, AccessibilityNodeProvider.HOST_VIEW_ID);

    }
@@ -2592,6 +2655,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param virtualDescendantId The id of the virtual descendant.

     */

    public void setLabelFor(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        final int rootAccessibilityViewId = (root != null)

                ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
@@ -2610,6 +2674,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The labeled info.

     */

    public AccessibilityNodeInfo getLabelFor() {

        enforceNotRecycled();

        enforceSealed();

        return getNodeForAccessibilityId(mLabelForId);

    }
@@ -2644,6 +2709,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param virtualDescendantId The id of the virtual descendant.

     */

    public void setLabeledBy(View root, int virtualDescendantId) {

        enforceNotRecycled();

        enforceNotSealed();

        final int rootAccessibilityViewId = (root != null)

                ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
@@ -2662,6 +2728,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The label.

     */

    public AccessibilityNodeInfo getLabeledBy() {

        enforceNotRecycled();

        enforceSealed();

        return getNodeForAccessibilityId(mLabeledById);

    }
@@ -2678,6 +2745,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param viewIdResName The id resource name.

     */

    public void setViewIdResourceName(String viewIdResName) {

        enforceNotRecycled();

        enforceNotSealed();

        mViewIdResourceName = viewIdResName;

    }
@@ -2695,6 +2763,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The id resource name.

     */

    public String getViewIdResourceName() {

        enforceNotRecycled();

        return mViewIdResourceName;

    }
@@ -2710,6 +2779,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     *         there is no text selection and no cursor.

     */

    public int getTextSelectionStart() {

        enforceNotRecycled();

        return mTextSelectionStart;

    }
@@ -2725,6 +2795,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     *         there is no text selection and no cursor.

     */

    public int getTextSelectionEnd() {

        enforceNotRecycled();

        return mTextSelectionEnd;

    }
@@ -2742,6 +2813,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setTextSelection(int start, int end) {

        enforceNotRecycled();

        enforceNotSealed();

        mTextSelectionStart = start;

        mTextSelectionEnd = end;
@@ -2753,6 +2825,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The input type.

     */

    public int getInputType() {

        enforceNotRecycled();

        return mInputType;

    }
@@ -2770,6 +2843,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    public void setInputType(int inputType) {

        enforceNotRecycled();

        enforceNotSealed();

        mInputType = inputType;

    }
@@ -2788,6 +2862,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The bundle.

     */

    public Bundle getExtras() {

        enforceNotRecycled();

        if (mExtras == null) {

            mExtras = new Bundle();

        }
@@ -2809,6 +2884,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @return The value.

     */

    private boolean getBooleanProperty(int property) {

        enforceNotRecycled();

        return (mBooleanProperties & property) != 0;

    }
@@ -2821,6 +2897,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @throws IllegalStateException If called from an AccessibilityService.

     */

    private void setBooleanProperty(int property, boolean value) {

        enforceNotRecycled();

        enforceNotSealed();

        if (value) {

            mBooleanProperties |= property;
@@ -2850,6 +2927,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public int getConnectionId() {

        enforceNotRecycled();

        return mConnectionId;

    }
@@ -2870,6 +2948,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public void setSourceNodeId(long sourceId, int windowId) {

        enforceNotRecycled();

        enforceNotSealed();

        mSourceNodeId = sourceId;

        mWindowId = windowId;
@@ -2883,6 +2962,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public long getSourceNodeId() {

        enforceNotRecycled();

        return mSourceNodeId;

    }
@@ -2894,6 +2974,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @hide

     */

    public void setSealed(boolean sealed) {

        enforceNotRecycled();

        mSealed = sealed;

    }
@@ -2960,6 +3041,11 @@ public class AccessibilityNodeInfo implements Parcelable { 
        }

    }



    private void enforceNotRecycled() {

        if (mRecycled) {

            throw new IllegalStateException("Cannot interact with recycled instance");

        }

    }

    /**

     * Returns a cached instance if such is available otherwise a new one

     * and sets the source.
@@ -3001,7 +3087,11 @@ public class AccessibilityNodeInfo implements Parcelable { 
        if (sNumInstancesInUse != null) {

            sNumInstancesInUse.incrementAndGet();

        }

        return (info != null) ? info : new AccessibilityNodeInfo();

        if (info != null) {

            info.mRecycled = false;

            return info;

        }

        return new AccessibilityNodeInfo();

    }



    /**
@@ -3027,6 +3117,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     */

    public void recycle() {

        clear();

        mRecycled = true;

        sPool.release(this);

        if (sNumInstancesInUse != null) {

            sNumInstancesInUse.decrementAndGet();
@@ -3052,6 +3143,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     */

    @Override

    public void writeToParcel(Parcel parcel, int flags) {

        enforceNotRecycled();

        // Write bit set of indices of fields with values differing from default

        long nonDefaultFields = 0;

        int fieldIndex = 0; // index of the current field
@@ -3286,6 +3378,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param other The other instance.

     */

    private void init(AccessibilityNodeInfo other) {

        enforceNotRecycled();

        mSealed = other.mSealed;

        mSourceNodeId = other.mSourceNodeId;

        mParentNodeId = other.mParentNodeId;
@@ -3357,6 +3450,7 @@ public class AccessibilityNodeInfo implements Parcelable { 
     * @param parcel A parcel containing the state of a {@link AccessibilityNodeInfo}.

     */

    private void initFromParcel(Parcel parcel) {

        enforceNotRecycled();

        // Bit mask of non-default-valued field indices

        long nonDefaultFields = parcel.readLong();

        int fieldIndex = 0;