Android Open Source - Avoidance Touch Listener

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License

The source code is released under:

GNU General Public License

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Java Source Code

/* 
 * Copyright (c) 2012 Markus Ekstr?m/* w w w .j a  v  a  2s .co m*/
 * 
 * This file is part of Avoidance.
 * 
 * Avoidance is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Avoidance is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Avoidance.  If not, see <http://www.gnu.org/licenses/>. 
 *  
 */
package se.chalmers.avoidance.input;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;

import org.andengine.entity.scene.IOnSceneTouchListener;
import org.andengine.entity.scene.Scene;
import org.andengine.input.touch.TouchEvent;

import android.view.MotionEvent;

/**
 * A listener that listens on touch events and fires an event for it's followers
 * to act on.
 * 
 * @author Markus Ekstr?m
 */
public class TouchListener implements IOnSceneTouchListener {
  private PropertyChangeSupport pcs = new PropertyChangeSupport(this);

  /**
   * Adds a listener to the TouchListener.
   * 
   * @param pcl
   *            A class implementing PropertyChangeListener that wants to
   *            recieve an event on screen touch.
   */
  public void addListener(PropertyChangeListener pcl) {
    pcs.addPropertyChangeListener(pcl);
  }

  /**
   * Called when the screen is touched and fires an event.
   * 
   * @param scene
   *            The scene.
   * @param event
   *            The touch event.
   */
  public boolean onSceneTouchEvent(Scene scene, TouchEvent event) {
    int eventAction = event.getAction();
    if (eventAction == MotionEvent.ACTION_DOWN) {
      pcs.firePropertyChange("touch", null, null);
    }
    return true;
  }
}

Java Source Code List