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Commit 0b0afb49 authored by Svetoslav Ganov's avatar Svetoslav Ganov
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Adding API for refreshing the state of an AccessibilityNodeInfo. 

Sometimes a client needs to hold onto an accessibility node info and
this info may get into a stale state. The clent has to be able to
request a refresh of the info. This change adds a refresh call to
AccessibilityNodeInfo.

bug:6711796

Change-Id: I580a9a5d9fd1f705ea0a2cf4d3ff65543714c9c3
parent 6a6f51ff

api/current.txt

+1 −0
Original line number Diff line number Diff line
@@ -26240,6 +26240,7 @@ package android.view.accessibility { 
    method public boolean performAction(int);

    method public boolean performAction(int, android.os.Bundle);

    method public void recycle();

    method public boolean refresh();

    method public void setAccessibilityFocused(boolean);

    method public void setBoundsInParent(android.graphics.Rect);

    method public void setBoundsInScreen(android.graphics.Rect);

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

+25 −0
Original line number Diff line number Diff line
@@ -485,6 +485,31 @@ public class AccessibilityNodeInfo implements Parcelable { 
        return mWindowId;

    }



    /**

     * Refreshes this info with the latest state of the view it represents.

     * <p>

     * <strong>Note:</strong> If this method returns false this info is obsolete

     * since it represents a view that is no longer in the view tree and should

     * be recycled.

     * </p>

     * @return Whether the refresh succeeded.

     */

    public boolean refresh() {

        enforceSealed();

        if (!canPerformRequestOverConnection(mSourceNodeId)) {

            return false;

        }

        AccessibilityInteractionClient client = AccessibilityInteractionClient.getInstance();

        AccessibilityNodeInfo refreshedInfo = client.findAccessibilityNodeInfoByAccessibilityId(

                mConnectionId, mWindowId, mSourceNodeId, 0);

        if (refreshedInfo == null) {

            return false;

        }

        init(refreshedInfo);

        refreshedInfo.recycle();

        return true;

    }



    /**

     * @return The ids of the children.

     *