Java Code Examples for androidx.core.view.accessibility.AccessibilityNodeInfoCompat#addAction()

The following examples show how to use androidx.core.view.accessibility.AccessibilityNodeInfoCompat#addAction() . 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: TextSpec.java From litho with Apache License 2.0

6 votes

@OnPopulateAccessibilityNode
static void onPopulateAccessibilityNode(
    View host,
    AccessibilityNodeInfoCompat node,
    @Prop(resType = ResType.STRING) CharSequence text,
    @Prop(optional = true, resType = ResType.BOOL) boolean isSingleLine) {
  if (ViewCompat.getImportantForAccessibility(host)
      == ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_AUTO) {
    ViewCompat.setImportantForAccessibility(host, ViewCompat.IMPORTANT_FOR_ACCESSIBILITY_YES);
  }
  CharSequence contentDescription = node.getContentDescription();
  node.setText(contentDescription != null ? contentDescription : text);
  node.setContentDescription(contentDescription != null ? contentDescription : text);

  node.addAction(AccessibilityNodeInfoCompat.ACTION_NEXT_AT_MOVEMENT_GRANULARITY);
  node.addAction(AccessibilityNodeInfoCompat.ACTION_PREVIOUS_AT_MOVEMENT_GRANULARITY);
  node.setMovementGranularities(
      AccessibilityNodeInfoCompat.MOVEMENT_GRANULARITY_CHARACTER
          | AccessibilityNodeInfoCompat.MOVEMENT_GRANULARITY_WORD
          | AccessibilityNodeInfoCompat.MOVEMENT_GRANULARITY_PARAGRAPH);

  if (!isSingleLine) {
    node.setMultiLine(true);
  }
}

Example 2

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

6 votes

private AccessibilityNodeInfo createAccessibiltyNodeInfoForInputText(
        int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.wrap(mInputText.createAccessibilityNodeInfo());
    info.setSource(NumberPicker.this, VIRTUAL_VIEW_ID_INPUT);
    if (mAccessibilityFocusedView != VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfo.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == VIRTUAL_VIEW_ID_INPUT) {
        info.addAction(AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);
    return info.unwrap();
}

Example 3

Source File: MonthView.java From MaterialDateTimePicker with Apache License 2.0

6 votes

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId,
                                            @NonNull AccessibilityNodeInfoCompat node) {
    getItemBounds(virtualViewId, mTempRect);

    node.setContentDescription(getItemDescription(virtualViewId));
    node.setBoundsInParent(mTempRect);
    node.addAction(AccessibilityNodeInfo.ACTION_CLICK);

    // Flag non-selectable dates as disabled
    node.setEnabled(!mController.isOutOfRange(mYear, mMonth, virtualViewId));

    if (virtualViewId == mSelectedDay) {
        node.setSelected(true);
    }

}

Example 4

Source File: Chip.java From material-components-android with Apache License 2.0

6 votes

@Override
protected void onPopulateNodeForVirtualView(
    int virtualViewId, @NonNull AccessibilityNodeInfoCompat node) {
  if (virtualViewId == CLOSE_ICON_VIRTUAL_ID) {
    CharSequence closeIconContentDescription = getCloseIconContentDescription();
    if (closeIconContentDescription != null) {
      node.setContentDescription(closeIconContentDescription);
    } else {
      CharSequence chipText = getText();
      node.setContentDescription(
          getContext()
              .getString(
                  R.string.mtrl_chip_close_icon_content_description,
                  !TextUtils.isEmpty(chipText) ? chipText : "")
              .trim());
    }
    node.setBoundsInParent(getCloseIconTouchBoundsInt());
    node.addAction(AccessibilityActionCompat.ACTION_CLICK);
    node.setEnabled(isEnabled());
  } else {
    node.setContentDescription("");
    node.setBoundsInParent(EMPTY_BOUNDS);
  }
}

Example 5

Source File: RadialTimePickerView.java From DateTimePicker with Apache License 2.0

6 votes

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfoCompat node) {
    node.setClassName(getClass().getName());
    node.addAction(AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_CLICK);

    final int type = getTypeFromId(virtualViewId);
    final int value = getValueFromId(virtualViewId);
    final CharSequence description = getVirtualViewDescription(type, value);
    node.setContentDescription(description);

    getBoundsForVirtualView(virtualViewId, mTempRect);
    node.setBoundsInParent(mTempRect);

    final boolean selected = isVirtualViewSelected(type, value);
    node.setSelected(selected);

    final int nextId = getVirtualViewIdAfter(type, value);
    if (nextId != INVALID_ID) {
        node.setTraversalBefore(RadialTimePickerView.this, nextId);
    }
}

Example 6

Source File: NestedScrollView.java From AndroidAnimationExercise with Apache License 2.0

6 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    super.onInitializeAccessibilityNodeInfo(host, info);
    final NestedScrollView nsvHost = (NestedScrollView) host;
    info.setClassName(ScrollView.class.getName());
    if (nsvHost.isEnabled()) {
        final int scrollRange = nsvHost.getScrollRange();
        if (scrollRange > 0) {
            info.setScrollable(true);
            if (nsvHost.getScrollY() > 0) {
                info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
            }
            if (nsvHost.getScrollY() < scrollRange) {
                info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
            }
        }
    }
}

Example 7

Source File: MonthView.java From cathode with Apache License 2.0

5 votes

@Override protected void onPopulateNodeForVirtualView(int virtualViewId,
    AccessibilityNodeInfoCompat node) {
  getItemBounds(virtualViewId, mTempRect);

  node.setContentDescription(getItemDescription(virtualViewId));
  node.setBoundsInParent(mTempRect);
  node.addAction(AccessibilityNodeInfo.ACTION_CLICK);

  if (virtualViewId == mSelectedDay) {
    node.setSelected(true);
  }
}

Example 8

Source File: SliderPager.java From Android-Image-Slider with Apache License 2.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    super.onInitializeAccessibilityNodeInfo(host, info);
    info.setClassName(SliderPager.class.getName());
    info.setScrollable(canScroll());
    if (canScrollHorizontally(1)) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
    }
    if (canScrollHorizontally(-1)) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
    }
}

Example 9

Source File: MonthView.java From MaterialDateRangePicker with Apache License 2.0

5 votes

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId,
        AccessibilityNodeInfoCompat node) {
    getItemBounds(virtualViewId, mTempRect);

    node.setContentDescription(getItemDescription(virtualViewId));
    node.setBoundsInParent(mTempRect);
    node.addAction(AccessibilityNodeInfo.ACTION_CLICK);

    if (virtualViewId == mSelectedDay) {
        node.setSelected(true);
    }

}

Example 10

Source File: BaseSlider.java From material-components-android with Apache License 2.0

5 votes

@Override
protected void onPopulateNodeForVirtualView(
    int virtualViewId, AccessibilityNodeInfoCompat info) {

  info.addAction(AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_SET_PROGRESS);

  List<Float> values = slider.getValues();
  final float value = values.get(virtualViewId);
  float valueFrom = slider.getValueFrom();
  float valueTo = slider.getValueTo();

  if (slider.isEnabled()) {
    if (value > valueFrom) {
      info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
    }
    if (value < valueTo) {
      info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
    }
  }

  info.setRangeInfo(RangeInfoCompat.obtain(RANGE_TYPE_FLOAT, valueFrom, valueTo, value));
  info.setClassName(SeekBar.class.getName());
  StringBuilder contentDescription = new StringBuilder();
  // Add the content description of the slider.
  if (slider.getContentDescription() != null) {
    contentDescription.append(slider.getContentDescription()).append(",");
  }
  // Add the range to the content description.
  if (values.size() > 1) {
    contentDescription.append(startOrEndDescription(virtualViewId));
    contentDescription.append(slider.formatValue(value));
  }
  info.setContentDescription(contentDescription.toString());

  slider.updateBoundsForVirturalViewId(virtualViewId, virtualViewBounds);
  info.setBoundsInParent(virtualViewBounds);
}

Example 11

Source File: CustomViewPager.java From AsteroidOSSync with GNU General Public License v3.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    super.onInitializeAccessibilityNodeInfo(host, info);
    info.setClassName(CustomViewPager.class.getName());
    info.setScrollable(canScroll());
    if (canScrollHorizontally(1)) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
    }
    if (canScrollHorizontally(-1)) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
    }
}

Example 12

Source File: SimpleMonthView.java From DateTimePicker with Apache License 2.0

5 votes

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfoCompat node) {
    final boolean hasBounds = getBoundsForDay(virtualViewId, mTempRect);

    if (!hasBounds) {
        // The day is invalid, kill the node.
        mTempRect.setEmpty();
        node.setContentDescription("");
        node.setBoundsInParent(mTempRect);
        node.setVisibleToUser(false);
        return;
    }

    node.setText(getDayText(virtualViewId));
    node.setContentDescription(getDayDescription(virtualViewId));
    node.setBoundsInParent(mTempRect);

    final boolean isDayEnabled = isDayEnabled(virtualViewId);
    if (isDayEnabled) {
        //node.addAction(AccessibilityAction.ACTION_CLICK);
        node.addAction(AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_CLICK);
    }

    node.setEnabled(isDayEnabled);

    if (virtualViewId == mActivatedDay) {
        // TODO: This should use activated once that's supported.
        node.setChecked(true);
    }
}

Example 13

Source File: RadialTimePickerView.java From DateTimePicker with Apache License 2.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    super.onInitializeAccessibilityNodeInfo(host, info);

    info.addAction(AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_SCROLL_FORWARD);
    info.addAction(AccessibilityNodeInfoCompat.AccessibilityActionCompat.ACTION_SCROLL_BACKWARD);
}

Example 14

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

5 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForVirtualButton(int virtualViewId,
                                                                          String text, int left, int top, int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.obtain();
    info.setClassName(Button.class.getName());
    info.setPackageName(getContext().getPackageName());
    info.setSource(NumberPicker.this, virtualViewId);
    info.setParent(NumberPicker.this);
    info.setText(text);
    info.setClickable(true);
    info.setLongClickable(true);
    info.setEnabled(NumberPicker.this.isEnabled());
    Rect boundsInParent = mTempRect;
    boundsInParent.set(left, top, right, bottom);
    info.setVisibleToUser(isVisibleToUser(boundsInParent));
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);

    if (mAccessibilityFocusedView != virtualViewId) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_ACCESSIBILITY_FOCUS);
    }
    if (mAccessibilityFocusedView == virtualViewId) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLEAR_ACCESSIBILITY_FOCUS);
    }
    if (NumberPicker.this.isEnabled()) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_CLICK);
    }

    return info.unwrap();
}

Example 15

Source File: VerticalViewPager.java From DKVideoPlayer with Apache License 2.0

5 votes

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfoCompat info) {
    super.onInitializeAccessibilityNodeInfo(host, info);
    info.setClassName(ViewPager.class.getName());
    info.setScrollable(canScroll());
    if (internalCanScrollVertically(1)) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_FORWARD);
    }
    if (internalCanScrollVertically(-1)) {
        info.addAction(AccessibilityNodeInfoCompat.ACTION_SCROLL_BACKWARD);
    }
}

Example 16

Source File: MonthView.java From PersianDateRangePicker with Apache License 2.0

5 votes

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId,
                                            AccessibilityNodeInfoCompat node) {
  getItemBounds(virtualViewId, mTempRect);

  node.setContentDescription(getItemDescription(virtualViewId));
  node.setBoundsInParent(mTempRect);
  node.addAction(AccessibilityNodeInfo.ACTION_CLICK);

  if (virtualViewId == mSelectedDay) {
    node.setSelected(true);
  }

}

Example 17

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

4 votes

private AccessibilityNodeInfo createAccessibilityNodeInfoForNumberPicker(int left, int top,
                                                                         int right, int bottom) {
    AccessibilityNodeInfoCompat info = AccessibilityNodeInfoCompat.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.setParent((View) ViewCompat.getParentForAccessibility(NumberPicker.this));
    info.setEnabled(NumberPicker.this.isEnabled());
    info.setScrollable(true);

    // FIXME final float applicationScale = getContext().getResources().getCompatibilityInfo().applicationScale;
    final float applicationScale = 1f;

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

    info.setVisibleToUser(isVisibleToUser());

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

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

    return info.unwrap();
}