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klazukaklazuka
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Added EventKit example
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‎.gitignore

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src/build/
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Examples/Holiday/build/
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Examples/NativeCal/build/
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‎Examples/NativeCal/Classes/EventKitDataSource.h

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/*
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* Copyright (c) 2010 Keith Lazuka
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* License: http://www.opensource.org/licenses/mit-license.html
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*/
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#import "Kal.h"
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@class EKEventStore, EKEvent;
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@interface EventKitDataSource : NSObject <KalDataSource>
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{
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EKEventStore *eventStore;
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NSMutableArray *items;
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NSMutableArray *events;
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}
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+ (EventKitDataSource *)dataSource;
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- (EKEvent *)eventAtIndexPath:(NSIndexPath *)indexPath; // exposed for client so that it can implement the UITableViewDelegate protocol.
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@end

‎Examples/NativeCal/Classes/EventKitDataSource.m

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/*
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* Copyright (c) 2010 Keith Lazuka
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* License: http://www.opensource.org/licenses/mit-license.html
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*/
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#import "EventKitDataSource.h"
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#import <EventKit/EventKit.h>
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static BOOL IsDateBetweenInclusive(NSDate *date, NSDate *begin, NSDate *end)
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{
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return [date compare:begin] != NSOrderedAscending && [date compare:end] != NSOrderedDescending;
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}
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@interface EventKitDataSource ()
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- (NSArray *)eventsFrom:(NSDate *)fromDate to:(NSDate *)toDate;
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- (NSArray *)markedDatesFrom:(NSDate *)fromDate to:(NSDate *)toDate;
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@end
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@implementation EventKitDataSource
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+ (EventKitDataSource *)dataSource
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{
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return [[[[self class] alloc] init] autorelease];
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}
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- (id)init
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{
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if ((self = [super init])) {
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eventStore = [[EKEventStore alloc] init];
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events = [[NSMutableArray alloc] init];
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items = [[NSMutableArray alloc] init];
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}
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return self;
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}
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- (EKEvent *)eventAtIndexPath:(NSIndexPath *)indexPath
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{
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return [items objectAtIndex:indexPath.row];
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}
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#pragma mark UITableViewDataSource protocol conformance
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- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
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{
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static NSString *identifier = @"MyCell";
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UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identifier];
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if (!cell) {
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cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identifier] autorelease];
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cell.selectionStyle = UITableViewCellSelectionStyleNone;
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cell.imageView.contentMode = UIViewContentModeScaleAspectFill;
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}
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EKEvent *event = [self eventAtIndexPath:indexPath];
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cell.textLabel.text = event.title;
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return cell;
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}
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- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
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{
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return [items count];
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}
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#pragma mark KalDataSource protocol conformance
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- (void)presentingDatesFrom:(NSDate *)fromDate to:(NSDate *)toDate delegate:(id<KalDataSourceCallbacks>)delegate
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{
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[events removeAllObjects];
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NSLog(@"Fetching events from EventKit between %@ and %@...", fromDate, toDate);
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NSPredicate *predicate = [eventStore predicateForEventsWithStartDate:fromDate endDate:toDate calendars:nil];
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[events addObjectsFromArray:[eventStore eventsMatchingPredicate:predicate]];
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[delegate loadedDataSource:self];
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}
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- (NSArray *)markedDatesFrom:(NSDate *)fromDate to:(NSDate *)toDate
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{
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return [[self eventsFrom:fromDate to:toDate] valueForKeyPath:@"startDate"];
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}
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- (void)loadItemsFromDate:(NSDate *)fromDate toDate:(NSDate *)toDate
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{
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[items addObjectsFromArray:[self eventsFrom:fromDate to:toDate]];
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}
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- (void)removeAllItems
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{
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[items removeAllObjects];
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}
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#pragma mark -
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- (NSArray *)eventsFrom:(NSDate *)fromDate to:(NSDate *)toDate
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{
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NSMutableArray *matches = [NSMutableArray array];
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for (EKEvent *event in events)
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if (IsDateBetweenInclusive(event.startDate, fromDate, toDate))
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[matches addObject:event];
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return matches;
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}
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- (void)dealloc
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{
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[eventStore release];
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[items release];
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[events release];
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[super dealloc];
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}
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@end

‎Examples/NativeCal/Classes/NativeCalAppDelegate.h

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/*
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* Copyright (c) 2010 Keith Lazuka
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* License: http://www.opensource.org/licenses/mit-license.html
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*/
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#import <UIKit/UIKit.h>
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/*
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* NativeCalAppDelegate
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* --------------------
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*
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* This demo app shows how to use Kal to display events
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* from EventKit (Apple's native calendar database).
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*
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*/
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@class KalViewController;
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@interface NativeCalAppDelegate : NSObject <UIApplicationDelegate, UITableViewDelegate>
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{
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UIWindow *window;
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UINavigationController *navController;
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KalViewController *kal;
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id dataSource;
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}
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@property (nonatomic, retain) IBOutlet UIWindow *window;
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@end

‎Examples/NativeCal/Classes/NativeCalAppDelegate.m

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/*
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* Copyright (c) 2010 Keith Lazuka
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* License: http://www.opensource.org/licenses/mit-license.html
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*/
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#import "NativeCalAppDelegate.h"
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#import "EventKitDataSource.h"
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#import "Kal.h"
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#import <EventKit/EventKit.h>
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#import <EventKitUI/EventKitUI.h>
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@implementation NativeCalAppDelegate
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@synthesize window;
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- (void)applicationDidFinishLaunching:(UIApplication *)application
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{
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/*
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* Kal Initialization
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*
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* When the calendar is first displayed to the user, Kal will automatically select today's date.
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* If your application requires an arbitrary starting date, use -[KalViewController initWithSelectedDate:]
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* instead of -[KalViewController init].
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*/
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kal = [[KalViewController alloc] init];
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/*
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* Kal Configuration
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*
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*/
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kal.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle:@"Today" style:UIBarButtonItemStyleBordered target:self action:@selector(showAndSelectToday)] autorelease];
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kal.delegate = self;
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dataSource = [[EventKitDataSource alloc] init];
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kal.dataSource = dataSource;
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// Setup the navigation stack and display it.
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navController = [[UINavigationController alloc] initWithRootViewController:kal];
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[window addSubview:navController.view];
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[window makeKeyAndVisible];
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}
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// Action handler for the navigation bar's right bar button item.
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- (void)showAndSelectToday
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{
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[kal showAndSelectDate:[NSDate date]];
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}
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#pragma mark UITableViewDelegate protocol conformance
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- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
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{
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// Display a details screen for the selected event/row.
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EKEventViewController *vc = [[[EKEventViewController alloc] init] autorelease];
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vc.event = [dataSource eventAtIndexPath:indexPath];
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vc.allowsEditing = NO;
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[navController pushViewController:vc animated:YES];
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}
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#pragma mark -
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- (void)dealloc
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{
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[kal release];
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[dataSource release];
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[window release];
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[navController release];
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[super dealloc];
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}
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@end

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