Java Code Examples for android.view.accessibility.AccessibilityNodeInfo#addChild()

The following examples show how to use android.view.accessibility.AccessibilityNodeInfo#addChild() . 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 check out the related API usage on the sidebar.

Example 1

Source File: CustomVirtualViewCompatMode.java From input-samples with Apache License 2.0

6 votes

private AccessibilityNodeInfo onProvideAutofillCompatModeAccessibilityNodeInfo() {
    final AccessibilityNodeInfo node = AccessibilityNodeInfo.obtain();

    final String packageName = getContext().getPackageName();
    node.setPackageName(packageName);
    node.setClassName(getClass().getName());

    final int childrenSize = mVirtualViews.size();
    for (int i = 0; i < childrenSize; i++) {
        final Item item = mVirtualViews.valueAt(i);
        if (DEBUG) {
            Log.d(TAG, "Adding new A11Y child with id " + item.id + ": " + item);
        }
        node.addChild(this, item.id);
    }
    return node;
}

Example 2

Source File: CustomVirtualViewCompatMode.java From android-AutofillFramework with Apache License 2.0

6 votes

private AccessibilityNodeInfo onProvideAutofillCompatModeAccessibilityNodeInfo() {
    final AccessibilityNodeInfo node = AccessibilityNodeInfo.obtain();

    final String packageName = getContext().getPackageName();
    node.setPackageName(packageName);
    node.setClassName(getClass().getName());

    final int childrenSize = mVirtualViews.size();
    for (int i = 0; i < childrenSize; i++) {
        final Item item = mVirtualViews.valueAt(i);
        if (DEBUG) {
            Log.d(TAG, "Adding new A11Y child with id " + item.id + ": " + item);
        }
        node.addChild(this, item.id);
    }
    return node;
}

Example 3

Source File: BrowserAccessibilityManager.java From 365browser with Apache License 2.0

5 votes

private AccessibilityNodeInfo createNodeForHost(int rootId) {
    // Since we don't want the parent to be focusable, but we can't remove
    // actions from a node, copy over the necessary fields.
    final AccessibilityNodeInfo result = AccessibilityNodeInfo.obtain(mView);
    final AccessibilityNodeInfo source = AccessibilityNodeInfo.obtain(mView);
    mView.onInitializeAccessibilityNodeInfo(source);

    // Copy over parent and screen bounds.
    Rect rect = new Rect();
    source.getBoundsInParent(rect);
    result.setBoundsInParent(rect);
    source.getBoundsInScreen(rect);
    result.setBoundsInScreen(rect);

    // Set up the parent view, if applicable.
    final ViewParent parent = mView.getParentForAccessibility();
    if (parent instanceof View) {
        result.setParent((View) parent);
    }

    // Populate the minimum required fields.
    result.setVisibleToUser(source.isVisibleToUser());
    result.setEnabled(source.isEnabled());
    result.setPackageName(source.getPackageName());
    result.setClassName(source.getClassName());

    // Add the Chrome root node.
    if (isFrameInfoInitialized()) {
        result.addChild(mView, rootId);
    }

    return result;
}

Example 4

Source File: DrawerLayout.java From Dashchan with Apache License 2.0

5 votes

private void addChildrenForAccessibility(AccessibilityNodeInfo info, ViewGroup v) {
	final int childCount = v.getChildCount();
	for (int i = 0; i < childCount; i++) {
		final View child = v.getChildAt(i);
		if (includeChildForAccessibility(child)) {
			info.addChild(child);
		}
	}
}

Example 5

Source File: NumberPicker.java From android_9.0.0_r45 with Apache License 2.0

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
        int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(mContext.getPackageName());
    info.setSource(NumberPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    final float applicationScale =
        getContext().getResources().getCompatibilityInfo().applicationScale;

    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    boundsInParent.scale(applicationScale);
    info.setBoundsInParent(boundsInParent);

    info.setVisibleToUser(isVisibleToUser());

    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    boundsInScreen.scale(applicationScale);
    info.setBoundsInScreen(boundsInScreen);

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Example 6

Source File: NumberPicker.java From ticdesign with Apache License 2.0

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
                int right, int bottom) {
            AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
            info.setClassName(NumberPicker.class.getName());
            info.setPackageName(getContext().getPackageName());
            info.setSource(NumberPicker.this);

            if (hasVirtualDecrementButton()) {
                info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
            }
            info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
            if (hasVirtualIncrementButton()) {
                info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
            }

            info.setParent((View) getParentForAccessibility());
            info.setEnabled(NumberPicker.this.isEnabled());
            info.setScrollable(true);

//            TODO: Figure out compat implementation for this final float
//            final float applicationScale =
//                getContext().getResources().getCompatibilityInfo().applicationScale;
//
//            Rect boundsInParent = mTempRect;
//            boundsInParent.set(left, top, right, bottom);
//            boundsInParent.scale(applicationScale);
//            info.setBoundsInParent(boundsInParent);
//
//            info.setVisibleToUser(isVisibleToUser());
//
//            Rect boundsInScreen = boundsInParent;
//            int[] locationOnScreen = mTempArray;
//            getLocationOnScreen(locationOnScreen);
//            boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
//            boundsInScreen.scale(applicationScale);
//            info.setBoundsInScreen(boundsInScreen);

            if (mAccessibilityFocusedView != View.NO_ID) {
                info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
            }
            if (mAccessibilityFocusedView == View.NO_ID) {
                info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
            }
            if (NumberPicker.this.isEnabled()) {
                if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
                    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
                }
                if (getWrapSelectorWheel() || getValue() > getMinValue()) {
                    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
                }
            }

            return info;
        }

Example 7

Source File: NumberPicker.java From NewXmPluginSDK with Apache License 2.0

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
        int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(NumberPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    Rect boundsInParent = mTempRect;

    boundsInParent.set(left, top, right, bottom);
    info.setBoundsInParent(boundsInParent);

    info.setVisibleToUser(getVisibility() == View.VISIBLE);

    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Example 8

Source File: TextPicker.java From GifAssistant with Apache License 2.0

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
                                                                         int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(TextPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(TextPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(TextPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(TextPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(TextPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(TextPicker.this.isEnabled());
    info.setScrollable(true);

    /** TODO: Figure out compat implementation for this
     final float applicationScale =
     getContext().getResources().getCompatibilityInfo().applicationScale;

     Rect boundsInParent = mTempRect;
     boundsInParent.set(left, top, right, bottom);
     boundsInParent.scale(applicationScale);
     info.setBoundsInParent(boundsInParent);

     info.setVisibleToUser(isVisibleToUser());

     Rect boundsInScreen = boundsInParent;
     int[] locationOnScreen = mTempArray;
     getLocationOnScreen(locationOnScreen);
     boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
     boundsInScreen.scale(applicationScale);
     info.setBoundsInScreen(boundsInScreen);
     */

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (TextPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Example 9

Source File: BrowserAccessibilityManager.java From 365browser with Apache License 2.0

4 votes

@CalledByNative
private void addAccessibilityNodeInfoChild(AccessibilityNodeInfo node, int childId) {
    node.addChild(mView, childId);
}

Example 10

Source File: MultiSlider.java From MultiSlider with Apache License 2.0

4 votes

@Override
public AccessibilityNodeInfo createAccessibilityNodeInfo(int thumbId) {
    AccessibilityNodeInfo info = null;
    if (thumbId == View.NO_ID) {
        // We are requested to create an AccessibilityNodeInfo describing
        // this View, i.e. the root of the virtual sub-tree. Note that the
        // host View has an AccessibilityNodeProvider which means that this
        // provider is responsible for creating the node info for that root.
        info = AccessibilityNodeInfo.obtain(MultiSlider.this);
        onInitializeAccessibilityNodeInfo(info);
        // Add the virtual children of the root View.
        final int childCount = mThumbs.size();
        for (int i = 0; i < childCount; i++) {
            info.addChild(MultiSlider.this, i);
        }
        if (mThumbs.size() == 1) {
            info.setScrollable(true);
            if (Build.VERSION.SDK_INT >= 21) {
                info.addAction(ACTION_SET_PROGRESS);
                info.addAction(ACTION_SCROLL_BACKWARD);
                info.addAction(ACTION_SCROLL_FORWARD);
            } else {
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
            }

        }

    } else {
        // Find the view that corresponds to the given id.
        Thumb thumb = mThumbs.get(thumbId);
        if (thumb == null) {
            return null;
        }
        // Obtain and initialize an AccessibilityNodeInfo with
        // information about the virtual view.
        info = AccessibilityNodeInfo.obtain(MultiSlider.this, thumbId);
        info.setClassName(thumb.getClass().getName());
        info.setParent(MultiSlider.this);
        info.setSource(MultiSlider.this, thumbId);
        info.setContentDescription("Multi-Slider thumb no:" + thumbId);

        if (Build.VERSION.SDK_INT >= 21) {
            info.addAction(ACTION_SET_PROGRESS);
            if (thumb.getPossibleMax() > thumb.value) {
                info.addAction(ACTION_SCROLL_BACKWARD);
            }
            if (thumb.getPossibleMax() > thumb.value) {
                info.addAction(ACTION_SCROLL_FORWARD);
            }

        } else {
            if (thumb.getPossibleMin() > thumb.value) {
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
            }
            if (thumb.getPossibleMax() > thumb.value) {
                info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
            }
        }


        if (thumb.getThumb() != null) {
            int[] loc = new int[2];
            getLocationOnScreen(loc);
            Rect rect = thumb.getThumb().copyBounds();
            rect.top += loc[1];
            rect.left += loc[0];
            rect.right += loc[0];
            rect.bottom += loc[1];
            info.setBoundsInScreen(rect);
            //TODO somehow this resuls in [0,0][0,0]. wonder check why
            //info.setBoundsInParent(rect);

        }

        info.setText(thumb.tag + ": " + thumb.value);
        info.setEnabled(thumb.isEnabled());
        if (Build.VERSION.SDK_INT >= 24) {
            info.setImportantForAccessibility(true);
        }
        info.setVisibleToUser(true);
        info.setScrollable(true);
    }
    return info;
}

Example 11

Source File: NumberPicker.java From zen4android with MIT License

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
        int right, int bottom) {
    AccessibilityNodeInfo info = AccessibilityNodeInfo.obtain();
    info.setClassName(NumberPicker.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(NumberPicker.this);

    if (hasVirtualDecrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_DECREMENT);
    }
    info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (hasVirtualIncrementButton()) {
        info.addChild(NumberPicker.this, VIRTUAL_VIEW_ID_INCREMENT);
    }

    info.setParent((View) getParentForAccessibility());
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    /** TODO: Figure out compat implementation for this
    final float applicationScale =
            getContext().getResources().getCompatibilityInfo().applicationScale;

    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    boundsInParent.scale(applicationScale);
    info.setBoundsInParent(boundsInParent);

    info.setVisibleToUser(isVisibleToUser());

    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    boundsInScreen.scale(applicationScale);
    info.setBoundsInScreen(boundsInScreen);
     */

    if (mAccessibilityFocusedView != View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == View.NO_ID) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        if (getWrapSelectorWheel() || getValue() < getMaxValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        }
        if (getWrapSelectorWheel() || getValue() > getMinValue()) {
            info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
        }
    }

    return info;
}

Example 12

Source File: BrowserAccessibilityManager.java From android-chromium with BSD 2-Clause "Simplified" License

4 votes

@CalledByNative
private void addAccessibilityNodeInfoChild(AccessibilityNodeInfo node, int child_id) {
    node.addChild(mView, child_id);
}

Example 13

Source File: BrowserAccessibilityManager.java From android-chromium with BSD 2-Clause "Simplified" License

4 votes

@CalledByNative
private void addAccessibilityNodeInfoChild(AccessibilityNodeInfo node, int child_id) {
    node.addChild(mView, child_id);
}