android.view.accessibility.AccessibilityNodeInfo#addAction ( )源码实例Demo

下面列出了android.view.accessibility.AccessibilityNodeInfo#addAction ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： android_9.0.0_r45 文件： GridView.java

/** @hide */
@Override
public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfoInternal(info);

    final int columnsCount = getNumColumns();
    final int rowsCount = getCount() / columnsCount;
    final int selectionMode = getSelectionModeForAccessibility();
    final CollectionInfo collectionInfo = CollectionInfo.obtain(
            rowsCount, columnsCount, false, selectionMode);
    info.setCollectionInfo(collectionInfo);

    if (columnsCount > 0 || rowsCount > 0) {
        info.addAction(AccessibilityAction.ACTION_SCROLL_TO_POSITION);
    }
}

源代码2 项目： Telegram-FOSS 文件： PhotoAttachPhotoCell.java

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setEnabled(true);
    if (photoEntry != null && photoEntry.isVideo) {
        info.setText(LocaleController.getString("AttachVideo", R.string.AttachVideo) + ", " + LocaleController.formatCallDuration(photoEntry.duration));
    } else {
        info.setText(LocaleController.getString("AttachPhoto", R.string.AttachPhoto));
    }
    if (checkBox.isChecked()) {
        info.setSelected(true);
    }
    if (Build.VERSION.SDK_INT >= 21) {
        info.addAction(new AccessibilityNodeInfo.AccessibilityAction(R.id.acc_action_open_photo, LocaleController.getString("Open", R.string.Open)));
    }
}

源代码3 项目： LaunchEnr 文件： PagedView.java

@SuppressWarnings("deprecation")
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(getPageCount() > 1);
    if (getCurrentPage() < getPageCount() - 1) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    }
    if (getCurrentPage() > 0) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
    }
    info.setClassName(getClass().getName());

    // Accessibility-wise, PagedView doesn't support long click, so disabling it.
    // Besides disabling the accessibility long-click, this also prevents this view from getting
    // accessibility focus.
    info.setLongClickable(false);
    info.removeAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_LONG_CLICK);
}

源代码4 项目： android_9.0.0_r45 文件： RadialTimePickerView.java

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfo node) {
    node.setClassName(getClass().getName());
    node.addAction(AccessibilityAction.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);
    }
}

源代码5 项目： talkback 文件： SwitchAccessHighlightFeedbackController.java

private void speakFeedbackForGlobalMenuButton(boolean speakHints) {
  // Manually construct an AccessibilityEvent and an AccessibilityNodeInfoCompat, which will be
  // used by the compositor to compose spoken feedback, for the global Switch Access menu button.
  final AccessibilityEvent event = AccessibilityEvent.obtain();
  final AccessibilityNodeInfo node = AccessibilityNodeInfo.obtain();

  event.setEventType(TYPE_VIEW_FOCUSED);
  node.setEnabled(true);
  node.setContentDescription(
      context.getString(R.string.option_scanning_menu_button_content_description));
  node.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_CLICK);
  node.setClassName(OverlayActionNode.class.getName());
  CompatUtils.invoke(
      node,
      null,
      CompatUtils.getMethod(AccessibilityNodeInfo.class, "setSealed", boolean.class),
      true);
  SwitchAccessNodeCompat nodeInfoCompat = new SwitchAccessNodeCompat(node);

  hintsManager.postHintForNode(event, nodeInfoCompat);

  compositor.handleEvent(
      AccessibilityEvent.TYPE_VIEW_ACCESSIBILITY_FOCUSED, nodeInfoCompat, EVENT_ID_UNTRACKED);

  isLastSpeech = !speakHints;
}

源代码6 项目： NewXmPluginSDK 文件： NumberPicker.java

private AccessibilityNodeInfo createAccessibiltyNodeInfoForInputText(
        int left, int top, int right, int bottom) {
    AccessibilityNodeInfo info = 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(getVisibility() == View.VISIBLE);
    info.setBoundsInParent(boundsInParent);
    Rect boundsInScreen = boundsInParent;
    int[] locationOnScreen = mTempArray;
    getLocationOnScreen(locationOnScreen);
    boundsInScreen.offset(locationOnScreen[0], locationOnScreen[1]);
    info.setBoundsInScreen(boundsInScreen);
    return info;
}

源代码7 项目： DateTimepicker 文件： RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the circle.
 */
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
  super.onInitializeAccessibilityNodeInfo(info);
  info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
  info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

源代码8 项目： android_9.0.0_r45 文件： SeekBar.java

/** @hide */
@Override
public void onInitializeAccessibilityNodeInfoInternal(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfoInternal(info);

    if (canUserSetProgress()) {
        info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SET_PROGRESS);
    }
}

源代码9 项目： material-components-android 文件： DraggableCardFragment.java

@Override
public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {
  super.onInitializeAccessibilityNodeInfo(host, info);
  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
    return;
  }

  CoordinatorLayout.LayoutParams layoutParams = (CoordinatorLayout.LayoutParams) card
      .getLayoutParams();
  int gravity = layoutParams.gravity;
  boolean isOnLeft = (gravity & Gravity.LEFT) == Gravity.LEFT;
  boolean isOnRight = (gravity & Gravity.RIGHT) == Gravity.RIGHT;
  boolean isOnTop = (gravity & Gravity.TOP) == Gravity.TOP;
  boolean isOnBottom = (gravity & Gravity.BOTTOM) == Gravity.BOTTOM;
  boolean isOnCenter = (gravity & Gravity.HORIZONTAL_GRAVITY_MASK) == Gravity.CENTER_HORIZONTAL;

  if (!(isOnTop && isOnLeft)) {
    info.addAction(new AccessibilityAction(R.id.move_card_top_left_action,
        getString(R.string.cat_card_action_move_top_left)));
  }
  if (!(isOnTop && isOnRight)) {
    info.addAction(new AccessibilityAction(R.id.move_card_top_right_action,
        getString(R.string.cat_card_action_move_top_right)));
  }
  if (!(isOnBottom && isOnLeft)) {
    info.addAction(new AccessibilityAction(R.id.move_card_bottom_left_action,
        getString(R.string.cat_card_action_move_bottom_left)));
  }
  if (!(isOnBottom && isOnRight)) {
    info.addAction(new AccessibilityAction(
        R.id.move_card_bottom_right_action,
        getString(R.string.cat_card_action_move_bottom_right)));
  }
  if (!isOnCenter) {
    info.addAction(new AccessibilityAction(
        R.id.move_card_center_action,
        getString(R.string.cat_card_action_move_center)));
  }
}

源代码10 项目： zen4android 文件： NumberPicker.java

private AccessibilityNodeInfo createAccessibiltyNodeInfoForInputText() {
    AccessibilityNodeInfo info = 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);
    }
    return info;
}

源代码11 项目： 365browser 文件： BrowserAccessibilityManager.java

@SuppressWarnings("deprecation")
protected void addAction(AccessibilityNodeInfo node, int actionId) {
    // Before API level 21, it's not possible to expose actions other than the "legacy standard"
    // ones.
    if (actionId > AccessibilityNodeInfo.ACTION_SET_TEXT) return;

    node.addAction(actionId);
}

源代码12 项目： BottomSheetPickers 文件： PagingDayPickerView.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the month list.
 */
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
  super.onInitializeAccessibilityNodeInfo(info);
  info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
  info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

源代码13 项目： StyleableDateTimePicker 文件： RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the circle.
 */
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
  super.onInitializeAccessibilityNodeInfo(info);
  info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
  info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

源代码14 项目： narrate-android 文件： DayPickerView.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the month list.
 */
@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
}

源代码15 项目： AlarmOn 文件： RadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the circle.
 */
@Override
@SuppressWarnings("deprecation")
public void onInitializeAccessibilityNodeInfo(@NonNull AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    if(Build.VERSION.SDK_INT >= 21) {
        info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
        info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
    }
    else {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
    }
}

源代码16 项目： LB-Launcher 文件： PagedView.java

@Override
public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
    super.onInitializeAccessibilityNodeInfo(info);
    info.setScrollable(getPageCount() > 1);
    if (getCurrentPage() < getPageCount() - 1) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    }
    if (getCurrentPage() > 0) {
        info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
    }
}

源代码17 项目： android_9.0.0_r45 文件： SimpleMonthView.java

@Override
protected void onPopulateNodeForVirtualView(int virtualViewId, AccessibilityNodeInfo 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.setEnabled(isDayEnabled);

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

}

源代码18 项目： Android-SDK-Demo 文件： SdkCenteredViewPager.java

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

源代码19 项目： PersianDateRangePicker 文件： PersianRadialPickerLayout.java

/**
 * Necessary for accessibility, to ensure we support "scrolling" forward and backward
 * in the circle.
 */
@Override
@SuppressWarnings("deprecation")
public void onInitializeAccessibilityNodeInfo(@NonNull AccessibilityNodeInfo info) {
  super.onInitializeAccessibilityNodeInfo(info);
  if (Build.VERSION.SDK_INT >= 21) {
    info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_BACKWARD);
    info.addAction(AccessibilityNodeInfo.AccessibilityAction.ACTION_SCROLL_FORWARD);
  } else {
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_FORWARD);
    info.addAction(AccessibilityNodeInfo.ACTION_SCROLL_BACKWARD);
  }
}

源代码20 项目： android_9.0.0_r45 文件： NumberPicker.java

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;
}

方法所在类

android.view.accessibility.AccessibilityNodeInfo