Android ListView Set createMotionEvents( final AbsListView absListView, final float fromY, final float toY)

Description

create Motion Events

License

Apache License

Declaration

public static List<MotionEvent> createMotionEvents(
            final AbsListView absListView, final float fromY,
            final float toY) 

Method Source Code

//package com.java2s;
/*//  ww w .j a v  a  2 s  .c o  m
 * Copyright 2014 Niek Haarman
 *
 * 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.os.SystemClock;
import android.view.MotionEvent;

import android.widget.AbsListView;
import java.util.ArrayList;

import java.util.List;

public class Main {
    public static List<MotionEvent> createMotionEvents(
            final AbsListView absListView, final float fromY,
            final float toY) {
        int x = (int) (absListView.getX() + absListView.getWidth() / 2);

        List<MotionEvent> results = new ArrayList<>();
        results.add(MotionEvent.obtain(SystemClock.uptimeMillis(),
                SystemClock.uptimeMillis(), MotionEvent.ACTION_DOWN, x,
                fromY, 0));

        float diff = (toY - fromY) / 25;
        float y = fromY;
        for (int i = 0; i < 25; i++) {
            y += diff;
            results.add(MotionEvent.obtain(SystemClock.uptimeMillis(),
                    SystemClock.uptimeMillis(), MotionEvent.ACTION_MOVE, x,
                    y, 0));
        }
        results.add(MotionEvent.obtain(SystemClock.uptimeMillis(),
                SystemClock.uptimeMillis(), MotionEvent.ACTION_UP, x, toY,
                0));

        return results;
    }
}

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