//// File:	   PageFourViewController.m//// Abstract:   The view controller for page four of this sample.//// Version:    1.7//// Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Inc. ("Apple")//             in consideration of your agreement to the following terms, and your use,//             installation, modification or redistribution of this Apple software//             constitutes acceptance of these terms.  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All Rights Reserved.//#import "PageFiveViewController.h"#import "Constants.h"@implementation PageFiveViewController- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil{	self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];	if (self)	{		// this will appear as the title in the navigation bar		self.title = NSLocalizedString(@"PageFiveTitle", @"");				// this will appear above the segmented control		self.navigationItem.prompt = @"Please select the appropriate media type:";	}		return self;}- (void)dealloc{	[defaultTintColor release];	[super dealloc];}// Automatically invoked after -loadView// This is the preferred override point for doing additional setup after -initWithNibName:bundle://- (void)viewDidLoad{	// segmented control as the custom title view	NSArray *segmentTextContent = [NSArray arrayWithObjects:										NSLocalizedString(@"Image", @""),										NSLocalizedString(@"Text", @""),										NSLocalizedString(@"Video", @""),										nil];	UISegmentedControl* segmentedControl = [[UISegmentedControl alloc] initWithItems:segmentTextContent];	segmentedControl.selectedSegmentIndex = 0;	segmentedControl.autoresizingMask = UIViewAutoresizingFlexibleWidth;	segmentedControl.segmentedControlStyle = UISegmentedControlStyleBar;	segmentedControl.frame = CGRectMake(0, 0, 400, kCustomButtonHeight);	[segmentedControl addTarget:self action:@selector(segmentAction:) forControlEvents:UIControlEventValueChanged];		defaultTintColor = [segmentedControl.tintColor retain];	// keep track of this for later	self.navigationItem.titleView = segmentedControl;	[segmentedControl release];}- (void)segmentAction:(id)sender{	UISegmentedControl* segCtl = sender;	// the segmented control was clicked, handle it here 	NSLog(@"segment clicked %d", [segCtl selectedSegmentIndex]);}- (void)viewWillAppear:(BOOL)animated{	UISegmentedControl *segmentedControl = (UISegmentedControl *)self.navigationItem.titleView;		// before we show this view make sure the segmentedControl matches the nav bar style	if (self.navigationController.navigationBar.barStyle == UIBarStyleBlackTranslucent ||		self.navigationController.navigationBar.barStyle == UIBarStyleBlackOpaque) 	{		segmentedControl.tintColor = [UIColor darkGrayColor];	}	else	{		segmentedControl.tintColor = defaultTintColor;	}}@end