/**
* Copyright (C) 2013 Romain Guefveneu.
*
* This file is part of naonedbus.
*
* Naonedbus is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Naonedbus is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package net.naonedbus.utils;
import android.view.View;
import android.view.ViewGroup;
/**
* @author Cyril Mottier
*/
public class ViewHelper {
public interface OnTagFoundHandler {
void onTagFound(View v);
}
public static final void findViewsByTag(final View root, final String tag, final OnTagFoundHandler handler) {
if (root == null) {
throw new NullPointerException();
}
if (tag == null || handler == null) {
return;
}
if (tag.equals(root.getTag())) {
handler.onTagFound(root);
}
if (root instanceof ViewGroup) {
final ViewGroup rootGroup = (ViewGroup) root;
final int childCount = rootGroup.getChildCount();
for (int i = 0; i < childCount; i++) {
findViewsByTag(rootGroup.getChildAt(i), tag, handler);
}
}
}
}