find Child View Holder Under Without Translation - Android User Interface

Android examples for User Interface:View Child

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Description

find Child View Holder Under Without Translation

Demo Code

/*/*from  ww  w  . j av  a  2 s  .co  m*/
 *    Copyright (C) 2015
 *
 *    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.
 */
import android.graphics.Rect;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;

public class Main{
    public static RecyclerView.ViewHolder findChildViewHolderUnderWithoutTranslation(
            RecyclerView rv, float x, float y) {
        final View child = findChildViewUnderWithoutTranslation(rv, x, y);
        return (child != null) ? rv.getChildViewHolder(child) : null;
    }
    private static View findChildViewUnderWithoutTranslation(
            ViewGroup parent, float x, float y) {
        final int count = parent.getChildCount();
        for (int i = count - 1; i >= 0; i--) {
            final View child = parent.getChildAt(i);
            if (x >= child.getLeft() && x <= child.getRight()
                    && y >= child.getTop() && y <= child.getBottom()) {
                return child;
            }
        }
        return null;
    }
}

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