Android Open Source - DroidBallet Motion Listener Registry

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License

The source code is released under:

Apache License

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Java Source Code

package com.lonepulse.droidballet.registry;
/*from   www. jav  a 2s . c  o m*/
/*
 * #%L
 * DroidBallet
 * %%
 * Copyright (C) 2013 Lonepulse
 * %%
 * 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.
 * #L%
 */

import android.view.View;
import android.view.ViewGroup;

import com.lonepulse.droidballet.core.HiggsFieldConfiguration;
import com.lonepulse.droidballet.listener.MotionEvent;
import com.lonepulse.droidballet.listener.MotionListener;

/**
  * <p>This contract specifies how {@link MotionListener}s can register 
 * and unregister themselves on a central registry.
 * 
 * @version 1.0.0
 * 
 * @author <a href="mailto:lahiru@lonepulse.com">Lahiru Sahan Jayasinghe</a>
 */
public interface MotionListenerRegistry {
  
  
  /**
   * <p>Registers a {@link View} with the {@link HiggsFieldConfiguration} so that it may 
   * receive callbacks on the desired {@link MotionEvent}s.</p>
   * 
   * @param motionListener
   *       the {@link MotionListener} (Widget or {@link ViewGroup}) to be registered
   * 
   * @since 1.0.0
   */
  public abstract <T extends MotionListener> void register(T motionListener);
  
  /**
   * <p>Unregisters a {@link View} which has be registered to receive 
   * motion callbacks.</p> 
   * 
   * <p>If the specified view has not being registered, a waring is logged 
   * and the error is silently ignored.
   * 
   * @param motionListener
   *       the {@link MotionListener} (Widget or {@link ViewGroup}) to be unregistered
   * 
   * @since 1.0.0
   */
  public abstract <T extends MotionListener> void unregister(T motionListener);
}

Java Source Code List