Restores the scroll position of a ListView - Android User Interface

Android examples for User Interface:ListView

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Description

Restores the scroll position of a ListView

Demo Code

/*/*from w  w  w  .j av a  2s  . co m*/
 * Copyright 2013 Christian De Angelis
 *
 * 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.java2s;
import android.util.Pair;

import android.widget.ListView;

public class Main {
    /**
     * Restores the scroll position of a ListView
     * @param values   the view's top value and previous scroll position
     * @param listView the listview to set the scroll
     */
    public static void setListViewScroll(
            final Pair<Integer, Integer> values, final ListView listView) {

        final int index = values.first;
        final int top = values.second;

        listView.setSelectionFromTop(index, top);
    }
}

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