Hyperloop Memory Leak issues with 3rd Party Modules

calendar.js

/**
 * Implementation of the GLCalendarView 3rd Party Library for iOS
 * using Appcelerator Hyperloop.
 *
 * Credits go to Glow-Inc (https://github.com/Glow-Inc/GLCalendarView)
 * for their great open source calendar!
 */
(function(container){

  // Require in core native classes
  var CGRectMake = require('CoreGraphics').CGRectMake,
      UIView  = require('UIKit/UIView'),
      UIScreen = require('UIKit/UIScreen'),
      UIColor = require('UIKit/UIColor'),
      NSDate = require('Foundation/NSDate'),
      NSObject = require('Foundation/NSObject');

  // Require in 3rd Party Native Classes
  var GLCalendarView = require('GLCalendarView/GLCalendarView'),
      GLCalendarDateRange = require('GLCalendarView/GLCalendarDateRange'),
      GLDateUtils = require('GLCalendarView/GLDateUtils');

  var calendar, delegate, currentSelectedRange;

  /**
   * Create a native class to act as the delegate of the GLCalendarView.
   * A delegate is similar to an Alloy javascript controller file for the XML
   * view. It is responsible for interacting with the UI elements.
   *
   * GLCalendarView Obj- C Delegate Protocol Reference
   * =================================================
   * @protocol GLCalendarViewDelegate <NSObject>
   * - (BOOL)calenderView:(GLCalendarView *)calendarView canAddRangeWithBeginDate:(NSDate *)beginDate;
   * - (GLCalendarDateRange *)calenderView:(GLCalendarView *)calendarView rangeToAddWithBeginDate:(NSDate *)beginDate;
   * - (void)calenderView:(GLCalendarView *)calendarView beginToEditRange:(GLCalendarDateRange *)range;
   * - (void)calenderView:(GLCalendarView *)calendarView finishEditRange:(GLCalendarDateRange *)range continueEditing:(BOOL)continueEditing;
   * - (BOOL)calenderView:(GLCalendarView *)calendarView canUpdateRange:(GLCalendarDateRange *)range toBeginDate:(NSDate *)beginDate endDate:(NSDate *)endDate;
   * - (void)calenderView:(GLCalendarView *)calendarView didUpdateRange:(GLCalendarDateRange *)range toBeginDate:(NSDate *)beginDate endDate:(NSDate *)endDate;
   * @optional
   * - (NSArray *)weekDayTitlesForCalendarView:(GLCalendarView *)calendarView;
   * @end
   */
   var CalendarDelegate = Hyperloop.defineClass('CalendarDelegate', 'NSObject');


  /**
   * Implement the required delegate methods that are defined by the
   * GLCalendarView
   */
  CalendarDelegate.addMethod({
    selector: 'calenderView:canAddRangeWithBeginDate:',
    instance: true,
    encoding: 'c@:@@',
    callback: function(view, beginDate){
      return true;
    }
  });

  CalendarDelegate.addMethod({
    selector: 'calenderView:rangeToAddWithBeginDate:',
    instance: true,
    encoding: '@@:@@',
    callback: function(calendarView, beginDate){

      var start = NSDate.cast(beginDate);

      Ti.API.info(start);

      var endDate = GLDateUtils.dateByAddingDaysToDate(2, start);
      var range = GLCalendarDateRange.rangeWithBeginDateEndDate(start, endDate);
      range.backgroundColor = UIColor.redColor();
      range.editable = true;

      return range;
    }
  });

  CalendarDelegate.addMethod({
    selector: 'calenderView:beginToEditRange:',
    instance: true,
    encoding: 'v@:@@',
    callback: function(view, range){
      Ti.API.info('calenderView:beginToEditRange:');
      Ti.API.info(GLCalendarDateRange.cast(range));
      currentSelectedRange = GLCalendarDateRange.cast(range);
      return;
    }
  });

  CalendarDelegate.addMethod({
    selector: 'calenderView:finishEditRange:continueEditing:',
    instance: true,
    encoding: 'v@:@@@',
    callback: function(view, range, continueEditing){
      currentSelectedRange = null;

      return;
    }
  });

  CalendarDelegate.addMethod({
    selector: 'calenderView:canUpdateRange:toBeginDate:endDate:',
    instance: true,
    encoding: 'c@:@@@@',
    callback: function(view, range, beginDate, endDate){

      return true;
    }
  });

  CalendarDelegate.addMethod({
    selector: 'calenderView:didUpdateRange:toBeginDate:endDate:',
    instance: true,
    encoding: 'v@:@@@@',
    callback: function(view, range, beginDate, endDate){

      Ti.API.info('Did Update Range' + GLCalendarDateRange.cast(range));
      return;
    }
  });

  // Get the screensize
  var bounds = UIScreen.mainScreen().bounds
  var frame = CGRectMake(0, 0, bounds.size.width, bounds.size.height);
  var today = NSDate.date();
  calendar = new GLCalendarView();
  delegate = new CalendarDelegate();

  // Setup the GLCalendarView
  calendar.frame = frame;
  calendar.delegate = delegate;
  calendar.firstDate = GLDateUtils.dateByAddingDaysToDate(-182, today);
  calendar.lastDate  = GLDateUtils.dateByAddingDaysToDate(182, today);

  // Add GLCalendarView to the Titanium View container
  container.add(calendar);
  calendar.reload();


  /**
   * Add Click Event Listener for the Right Nav Button
   * This event listener scrolls the calendar to the current day of the calendar.
   */
  $.deleteButton.addEventListener('click', removeCurrentRange);

  /**
   * Removes the currently selected range from the CalendarView
   */
  function removeCurrentRange(){
    if(currentSelectedRange){
      calendar.removeRange(currentSelectedRange);
      currentSelectedRange = null;
    }
  }

  /**
   * Scroll to Today's date once the view is loaded.
   */
  container.addEventListener('postlayout', function(e){
    calendar.scrollToDateAnimated(today, false);
  });
  
})($.calendar_container);

calendar.xml

<Alloy>
	<Window id="win" title="GLCalendar">

		<View>
			<Label>3rd Party 3D Globe Library</Label>
			<View class="vbox" id="calendar_container"></View>
		</View>

	</Window>
</Alloy>

index.xml

<Alloy>

	<!--
	The module-attribute will result in require('xp.ui').createNavigationWindow()
	See app/lib/xp.ui.js for how we use this to emulate the iOS-only NavigationWindow for Android
	-->
	<NavigationWindow id="navWin" module="xp.ui">
		<Window title="Samples">
			<ListView onItemclick="onListViewItemclick">
				<ListSection>
					<ListItem itemId="autolayout" platform="ios" title="Auto Layout"/>
					<ListItem itemId="touchid" platform="ios" title="Apple Touch ID"/>
					<ListItem itemId="animateview" title="View Animation"/>
					<ListItem itemId="label" title="Styled Labels"/>
					<ListItem itemId="drawrect" title="Custom Drawing"/>
					<ListItem itemId="touches" title="Touches"/>
					<ListItem itemId="calendar" platform="ios" title="GLCalendar (3rd Party Integration)"/>
					<ListItem itemId="charting" platform="ios" title="Charting (3rd party integration)"/>
					<ListItem itemId="alert" title="Alert"/>
					<ListItem itemId="xib" platform="ios" title="Interface Builder UI"/>
					<ListItem itemId="donutchart" title="Donut Chart"/>
					<ListItem itemId="shapes" platform="ios" title="Shapes &amp; Animation"/>
					<ListItem itemId="custom" platform="ios" title="Custom Class"/>
					<ListItem itemId="tinder" platform="ios" title="Tinder UI"/>
					<ListItem itemId="gravity" platform="ios" title="Gravity"/>
					<ListItem itemId="tableview" platform="ios" title="Table View"/>
				</ListSection>
			</ListView>
		</Window>

	</NavigationWindow>
</Alloy>

Podfile

platform :ios, '7.0'
target 'Hyperloop_Sample' do
	pod 'JBChartView'
	pod 'GLCalendarView', '~> 1.2'
end