Java Code Examples for android.view.View#getAccessibilityViewId()

The following examples show how to use android.view.View#getAccessibilityViewId() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
@Override
public void showAsDropDown(View anchor, int xoff, int yoff, int gravity) {
    if (sVerbose) {
        Log.v(TAG, "showAsDropDown(): anchor=" + anchor + ", xoff=" + xoff + ", yoff=" + yoff
                + ", isShowing(): " + isShowing());
    }
    if (isShowing()) {
        return;
    }

    setShowing(true);
    setDropDown(true);
    attachToAnchor(anchor, xoff, yoff, gravity);
    final WindowManager.LayoutParams p = mWindowLayoutParams = createPopupLayoutParams(
            anchor.getWindowToken());
    final boolean aboveAnchor = findDropDownPosition(anchor, p, xoff, yoff,
            p.width, p.height, gravity, getAllowScrollingAnchorParent());
    updateAboveAnchor(aboveAnchor);
    p.accessibilityIdOfAnchor = anchor.getAccessibilityViewId();
    p.packageName = anchor.getContext().getPackageName();
    mWindowPresenter.show(p, getTransitionEpicenter(), isLayoutInsetDecor(),
            anchor.getLayoutDirection());
}
 
Example 2
/**
 * Removes a virtual child which is a descendant of the given
 * <code>root</code>. If the child was not previously added to the node,
 * calling this method has no effect.
 *
 * @param root The root of the virtual subtree.
 * @param virtualDescendantId The id of the virtual child.
 * @return true if the child was present
 * @see #addChild(View, int)
 */
public boolean removeChild(View root, int virtualDescendantId) {
    enforceNotSealed();
    final LongArray childIds = mChildNodeIds;
    if (childIds == null) {
        return false;
    }
    final int rootAccessibilityViewId =
            (root != null) ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    final long childNodeId = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
    final int index = childIds.indexOf(childNodeId);
    if (index < 0) {
        return false;
    }
    childIds.remove(index);
    return true;
}
 
Example 3
Source Project: android_9.0.0_r45   File: PopupWindow.java    License: Apache License 2.0 6 votes vote down vote up
/**
 * Displays the content view in a popup window anchored to the corner of
 * another view. The window is positioned according to the specified
 * gravity and offset by the specified x and y coordinates.
 * <p>
 * If there is not enough room on screen to show the popup in its entirety,
 * this method tries to find a parent scroll view to scroll. If no parent
 * view can be scrolled, the specified vertical gravity will be ignored and
 * the popup will anchor itself such that it is visible.
 * <p>
 * If the view later scrolls to move <code>anchor</code> to a different
 * location, the popup will be moved correspondingly.
 *
 * @param anchor the view on which to pin the popup window
 * @param xoff A horizontal offset from the anchor in pixels
 * @param yoff A vertical offset from the anchor in pixels
 * @param gravity Alignment of the popup relative to the anchor
 *
 * @see #dismiss()
 */
public void showAsDropDown(View anchor, int xoff, int yoff, int gravity) {
    if (isShowing() || !hasContentView()) {
        return;
    }

    TransitionManager.endTransitions(mDecorView);

    attachToAnchor(anchor, xoff, yoff, gravity);

    mIsShowing = true;
    mIsDropdown = true;

    final WindowManager.LayoutParams p =
            createPopupLayoutParams(anchor.getApplicationWindowToken());
    preparePopup(p);

    final boolean aboveAnchor = findDropDownPosition(anchor, p, xoff, yoff,
            p.width, p.height, gravity, mAllowScrollingAnchorParent);
    updateAboveAnchor(aboveAnchor);
    p.accessibilityIdOfAnchor = (anchor != null) ? anchor.getAccessibilityViewId() : -1;

    invokePopup(p);
}
 
Example 4
private void addChildInternal(View root, int virtualDescendantId, boolean checked) {
    enforceNotSealed();
    if (mChildNodeIds == null) {
        mChildNodeIds = new LongArray();
    }
    final int rootAccessibilityViewId =
        (root != null) ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    final long childNodeId = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
    // If we're checking uniqueness and the ID already exists, abort.
    if (checked && mChildNodeIds.indexOf(childNodeId) >= 0) {
        return;
    }
    mChildNodeIds.add(childNodeId);
}
 
Example 5
/**
 * Sets the source to be a virtual descendant of the given <code>root</code>.
 * If <code>virtualDescendantId</code> is {@link View#NO_ID} the root
 * is set as the source.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report themselves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 * <p>
 *   <strong>Note:</strong> Cannot be called from an
 *   {@link android.accessibilityservice.AccessibilityService}.
 *   This class is made immutable before being delivered to an AccessibilityService.
 * </p>
 *
 * @param root The root of the virtual subtree.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setSource(View root, int virtualDescendantId) {
    enforceNotSealed();
    mWindowId = (root != null) ? root.getAccessibilityWindowId() : UNDEFINED_ITEM_ID;
    final int rootAccessibilityViewId =
        (root != null) ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    mSourceNodeId = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
}
 
Example 6
/**
 * Sets the node before which this one is visited during traversal. A screen-reader
 * must visit the content of this node before the content of the one it precedes.
 * The successor is a virtual descendant of the given <code>root</code>. If
 * <code>virtualDescendantId</code> equals to {@link View#NO_ID} the root is set
 * as the successor.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report them selves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 * <p>
 *   <strong>Note:</strong> Cannot be called from an
 *   {@link android.accessibilityservice.AccessibilityService}.
 *   This class is made immutable before being delivered to an AccessibilityService.
 * </p>
 *
 * @param root The root of the virtual subtree.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setTraversalBefore(View root, int virtualDescendantId) {
    enforceNotSealed();
    final int rootAccessibilityViewId = (root != null)
            ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    mTraversalBefore = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
}
 
Example 7
/**
 * Sets the node after which this one is visited in accessibility traversal.
 * A screen-reader must visit the content of the other node before the content
 * of this one. If <code>virtualDescendantId</code> equals to {@link View#NO_ID}
 * the root is set as the predecessor.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report them selves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 * <p>
 *   <strong>Note:</strong> Cannot be called from an
 *   {@link android.accessibilityservice.AccessibilityService}.
 *   This class is made immutable before being delivered to an AccessibilityService.
 * </p>
 *
 * @param root The root of the virtual subtree.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setTraversalAfter(View root, int virtualDescendantId) {
    enforceNotSealed();
    final int rootAccessibilityViewId = (root != null)
            ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    mTraversalAfter = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
}
 
Example 8
/**
 * Sets the parent to be a virtual descendant of the given <code>root</code>.
 * If <code>virtualDescendantId</code> equals to {@link View#NO_ID} the root
 * is set as the parent.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report them selves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 * <p>
 *   <strong>Note:</strong> Cannot be called from an
 *   {@link android.accessibilityservice.AccessibilityService}.
 *   This class is made immutable before being delivered to an AccessibilityService.
 * </p>
 *
 * @param root The root of the virtual subtree.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setParent(View root, int virtualDescendantId) {
    enforceNotSealed();
    final int rootAccessibilityViewId =
        (root != null) ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    mParentNodeId = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
}
 
Example 9
/**
 * Sets the view for which the view represented by this info serves as a
 * label for accessibility purposes. If <code>virtualDescendantId</code>
 * is {@link View#NO_ID} the root is set as the labeled.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report themselves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 * <p>
 *   <strong>Note:</strong> Cannot be called from an
 *   {@link android.accessibilityservice.AccessibilityService}.
 *   This class is made immutable before being delivered to an AccessibilityService.
 * </p>
 *
 * @param root The root whose virtual descendant serves as a label.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setLabelFor(View root, int virtualDescendantId) {
    enforceNotSealed();
    final int rootAccessibilityViewId = (root != null)
            ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    mLabelForId = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
}
 
Example 10
/**
 * Sets the view which serves as the label of the view represented by
 * this info for accessibility purposes. If <code>virtualDescendantId</code>
 * is {@link View#NO_ID} the root is set as the label.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report themselves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 * <p>
 *   <strong>Note:</strong> Cannot be called from an
 *   {@link android.accessibilityservice.AccessibilityService}.
 *   This class is made immutable before being delivered to an AccessibilityService.
 * </p>
 *
 * @param root The root whose virtual descendant labels this node's source.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setLabeledBy(View root, int virtualDescendantId) {
    enforceNotSealed();
    final int rootAccessibilityViewId = (root != null)
            ? root.getAccessibilityViewId() : UNDEFINED_ITEM_ID;
    mLabeledById = makeNodeId(rootAccessibilityViewId, virtualDescendantId);
}
 
Example 11
/**
 * Sets the source to be a virtual descendant of the given <code>root</code>.
 * If <code>virtualDescendantId</code> equals to {@link View#NO_ID} the root
 * is set as the source.
 * <p>
 * A virtual descendant is an imaginary View that is reported as a part of the view
 * hierarchy for accessibility purposes. This enables custom views that draw complex
 * content to report them selves as a tree of virtual views, thus conveying their
 * logical structure.
 * </p>
 *
 * @param root The root of the virtual subtree.
 * @param virtualDescendantId The id of the virtual descendant.
 */
public void setSource(@Nullable View root, int virtualDescendantId) {
    enforceNotSealed();
    boolean important = true;
    int rootViewId = AccessibilityNodeInfo.UNDEFINED_ITEM_ID;
    mSourceWindowId = AccessibilityWindowInfo.UNDEFINED_WINDOW_ID;
    if (root != null) {
        important = root.isImportantForAccessibility();
        rootViewId = root.getAccessibilityViewId();
        mSourceWindowId = root.getAccessibilityWindowId();
    }
    setBooleanProperty(PROPERTY_IMPORTANT_FOR_ACCESSIBILITY, important);
    mSourceNodeId = AccessibilityNodeInfo.makeNodeId(rootViewId, virtualDescendantId);
}