/*
 * Copyright (C) 2010 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
package com.hardcopy.blechat.utils;
 
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ImageView;
 
/**
 * @author givenjazz
 */

public class RecycleUtils {
       
    private RecycleUtils(){};
 
    public static void recursiveRecycle(View root) {
        if (root == null)
            return;
        
        // root.setBackgroundDrawable(null);		// Deprecated
        if (root instanceof ViewGroup) {
            ViewGroup group = (ViewGroup)root;
            int count = group.getChildCount();
            for (int i = 0; i < count; i++) {
                recursiveRecycle(group.getChildAt(i));
            }
 
            if (!(root instanceof AdapterView)) {
                group.removeAllViews();
            }
        }
       
        if (root instanceof ImageView) {
            ((ImageView)root).setImageDrawable(null);
        }
        root = null;
        
        return;
    }
}