Android Open Source - java-androidframework Inputter

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The source code is released under:

This project is licensed under the [CC0 1.0 Agreement](http://creativecommons.org/publicdomain/zero/1.0/). To the extent possible under law, Pete Schmitz has waived all copyright and related or neigh...

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Java Source Code

package com.gamepatriot.framework2d.implementation;
/*  ww w.  j  a  va2  s . co m*/
import java.util.ArrayList;

import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;

import com.gamepatriot.androidframework.framework.AndroidInputter;
import com.gamepatriot.androidframework.framework.AndroidRenderer;
import com.gamepatriot.framework2d.implementation.Pool.PoolFactory;


/**
 * The Inputter class stores and retrieves all single-input actions that the application receives.
 * 
 * @see AndroidInputter
 * @author Pete Schmitz, May 9, 2013
 *
 */
public class Inputter implements AndroidInputter, OnTouchListener {
  
  /**
   * The TouchEvent class stores information about an input.
   * 
   * @author Pete Schmitz, May 9, 2013
   *
   */
  public static class TouchEvent implements AndroidTouchEvent{
    
    /** Flag for type of input: Press. **/
    public static final int TOUCH_PRESS = 0;
    
    /** Flag for type of input: Release. **/
    public static final int TOUCH_RELEASE = 1;
    
    /** Flag for type of input: Movement. **/
    public static final int TOUCH_MOVE = 2;
    
    /** Flag for type of input: Back Pressed. **/
    public static final int TOUCH_BACK = 3;
    
    
    
    
    /** Type of input for this TouchEvent. See {@link #TOUCH_RELEASE} and {@link #TOUCH_PRESS}. **/
    public int type;
    
    /** Pixel-X position of this event. **/
    public int x;
    
    /** Pixel-Y position of this event. **/
    public int y;
  }
  
  
  //References
  
  private Renderer frameRenderer;
  
  
  //Containers
  
  /** Collection of input events **/
  private ArrayList<AndroidTouchEvent> events;
  
  /** Pool object for {@link AndroidTouchEvent} reusage. **/
  private Pool<AndroidTouchEvent> pool;
  
  
  /**
   * Constructor.
   * @param $frameRenderer - The application's {@link AndroidRenderer}; Used to assign a touch listener.
   */
  public Inputter(AndroidRenderer $frameRenderer){
    
    //Assign renderer and apply listener
    frameRenderer = (Renderer) $frameRenderer;
    frameRenderer.setOnTouchListener(this);
    
    //Create a pool to reuse TouchEvents
    PoolFactory<AndroidTouchEvent> factory = new PoolFactory<AndroidTouchEvent>() {
      @Override
      public AndroidTouchEvent createObject() {
        return new TouchEvent();
      }
    };
    
    //Containers
    pool = new Pool<AndroidTouchEvent>(factory, 30);
    events = new ArrayList<AndroidTouchEvent>();
  }

  @Override
  public boolean onTouch(View $v, MotionEvent $e) {
    synchronized(events){
      
      int $action = $e.getAction();
      int $type;
      
      //Record the input's type and position
      if ($action == MotionEvent.ACTION_DOWN){
        $type = TouchEvent.TOUCH_PRESS;
      } else if ($action == MotionEvent.ACTION_CANCEL || $action == MotionEvent.ACTION_UP){
        $type = TouchEvent.TOUCH_RELEASE;
      } else if ($action == MotionEvent.ACTION_MOVE){
        $type = TouchEvent.TOUCH_MOVE;
      } else return false;
      
      //Register the input information and store it
      TouchEvent $touchEvent = (TouchEvent) pool.get();
      $touchEvent.x = (int) ($e.getX() / Main.CANVAS_SCALE_X);
      $touchEvent.y = (int) ($e.getY() / Main.CANVAS_SCALE_Y);
      $touchEvent.type = $type;
      
      events.add($touchEvent);
      
      return true;
    }
  }

  @Override
  public void pause() {
    frameRenderer.setOnTouchListener(null);
  }

  @Override
  public void resume() {
    frameRenderer.setOnTouchListener(this);
  }

  @Override
  public ArrayList<AndroidTouchEvent> getEvents() {
    return events;
  }

  @Override
  public void recycle(AndroidTouchEvent $touchEvent) {
    if ($touchEvent == null) return;
    
    pool.add($touchEvent);
  }
  
  @Override
  public void clear(){
    
    synchronized(events){
      events.clear();
    }
    
  }
  
  @Override
  public void insertBackPressed() {
    synchronized(events){
      TouchEvent $touchEvent = (TouchEvent) pool.get();
      $touchEvent.type = TouchEvent.TOUCH_BACK;
      events.add($touchEvent);
    }
  }
  
  
  
}

Java Source Code List