How to use

notifyDataSetChanged

method

in

com.mikepenz.fastadapter.FastAdapter

/**
 * deselects all selections
 */
public void deselect() {
  mFastAdapter.recursive(new AdapterPredicate<Item>() {
    @Override
    public boolean apply(@NonNull IAdapter<Item> lastParentAdapter, int lastParentPosition, Item item, int position) {
      deselect(item);
      return false;
    }
  }, false);
  mFastAdapter.notifyDataSetChanged();
}

/**
 * select all items
 *
 * @param considerSelectableFlag true if the select method should not select an item if its not selectable
 */
public void select(final boolean considerSelectableFlag) {
  mFastAdapter.recursive(new AdapterPredicate<Item>() {
    @Override
    public boolean apply(@NonNull IAdapter<Item> lastParentAdapter, int lastParentPosition, Item item, int position) {
      select(lastParentAdapter, item, -1, false, considerSelectableFlag);
      return false;
    }
  }, false);
  mFastAdapter.notifyDataSetChanged();
}

/**
 * wraps notifyDataSetChanged
 */
public void notifyAdapterDataSetChanged() {
  // handle our extensions
  for (IAdapterExtension<Item> ext : mExtensions.values()) {
    ext.notifyAdapterDataSetChanged();
  }
  cacheSizes();
  notifyDataSetChanged();
}

/**
 * deselects all selections
 */
public void deselect() {
  SelectExtension<Item> selectExtension = mFastAdapter.getExtension(SelectExtension.class);
  if (selectExtension == null) {
    return;
  }
  for (Item item : AdapterUtil.getAllItems(mFastAdapter)) {
    selectExtension.deselect(item);
  }
  mFastAdapter.notifyDataSetChanged();
}

/**
 * select all items
 *
 * @param considerSelectableFlag true if the select method should not select an item if its not selectable
 */
public void select(boolean considerSelectableFlag) {
  SelectExtension<Item> selectExtension = mFastAdapter.getExtension(SelectExtension.class);
  if (selectExtension == null) {
    return;
  }
  for (Item item : AdapterUtil.getAllItems(mFastAdapter)) {
    selectExtension.select(item, considerSelectableFlag);
  }
  mFastAdapter.notifyDataSetChanged();
}

  fastAdapter.notifyDataSetChanged();
  return true;
case R.id.item_sort_asc: