Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright 2014 hemou Inc.
 *
 * 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.widget.ListView;

public class Main {
    public static boolean canScrollList(final ListView lv, int direction) {
        final int childCount = lv.getChildCount();
        if (childCount == 0) {
            return false;
        }

        final int firstPosition = lv.getFirstVisiblePosition();
        final Rect listPadding = new Rect(lv.getListPaddingLeft(), lv.getListPaddingTop(), lv.getListPaddingRight(),
                lv.getListPaddingBottom());
        if (direction > 0) {
            final int lastBottom = lv.getChildAt(childCount - 1).getBottom();
            final int lastPosition = firstPosition + childCount;
            return lastPosition < lv.getCount() || lastBottom > lv.getHeight() - listPadding.bottom;
        } else {
            final int firstTop = lv.getChildAt(0).getTop();
            return firstPosition > 0 || firstTop < listPadding.top;
        }
    }
}