/*File: ImagesViewController.mAbstract: The view controller for hosting the UIImageView containing multipleimages.Version: 1.7Disclaimer: IMPORTANT:  This Apple software is supplied to you by Apple Inc.("Apple") in consideration of your agreement to the following terms, and youruse, installation, modification or redistribution of this Apple softwareconstitutes acceptance of these terms.  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All Rights Reserved.*/#import "ImagesViewController.h"#import "Constants.h"@implementation ImagesViewController#define kMinDuration 0.0#define kMaxDuration 10.0- (id)init{	self = [super init];	if (self)	{		// this title will appear in the navigation bar		self.title = NSLocalizedString(@"ImagesTitle", @"");	}	return self;}- (void)dealloc{	[imageView release];	[super dealloc];}- (void)loadView{		// setup our parent content view and embed it to your view controller	UIView *contentView = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]];	contentView.backgroundColor = [UIColor blackColor];	contentView.autoresizesSubviews = YES;	self.view = contentView;	[contentView release];		// set up our UIImage with a group or array of images to animate (or in our case a slideshow)	CGRect frame = CGRectMake(	kLeftMargin,								kTopMargin,								self.view.bounds.size.width - (kRightMargin * 2.0),								self.view.bounds.size.height - 240.0);	imageView = [[UIImageView alloc] initWithFrame:frame];	imageView.animationImages = [NSArray arrayWithObjects:	[UIImage imageNamed:@"scene1.jpg"],															[UIImage imageNamed:@"scene2.jpg"],															[UIImage imageNamed:@"scene3.jpg"],															[UIImage imageNamed:@"scene4.jpg"],															[UIImage imageNamed:@"scene5.jpg"], nil];	imageView.animationDuration = 5.0;	[imageView stopAnimating];	[self.view addSubview:imageView];	// duration slider	frame = CGRectMake(	kLeftMargin,						self.view.bounds.size.height - 90.0,						self.view.bounds.size.width - (kRightMargin * 2.0),						kSliderHeight);	UISlider *slider = [[UISlider alloc] initWithFrame:frame];	[slider addTarget:self action:@selector(sliderAction:) forControlEvents:UIControlEventValueChanged];	// in case the parent view draws with a custom color or gradient, use a transparent color	slider.backgroundColor = [UIColor clearColor];	slider.minimumValue = kMinDuration;	slider.maximumValue = kMaxDuration;	slider.continuous = YES;	slider.value = kMaxDuration / 2.0;	[self.view addSubview:slider];    [slider release];		// duration label	frame = CGRectMake(	kLeftMargin,						self.view.bounds.size.height - 67.0,						self.view.bounds.size.width - (kRightMargin * 2.0),						kLabelHeight);	UILabel *label = [[UILabel alloc] initWithFrame:frame];    label.font = [UIFont systemFontOfSize:12.0];	label.textAlignment = UITextAlignmentCenter;	label.text = @"Duration";	label.textColor = [UIColor whiteColor];	label.backgroundColor = [UIColor clearColor];	[self.view addSubview:label];	[label release];}// slown down or speed up the slide show as the slider is moved- (void)sliderAction:(id)sender{	UISlider* slider = sender;	imageView.animationDuration = [slider value];	if (!imageView.isAnimating)		[imageView startAnimating];}#pragma mark UIViewController delegate methods// called after this controller's view was dismissed, covered or otherwise hidden- (void)viewWillDisappear:(BOOL)animated{		[imageView stopAnimating];		// restore the nav bar and status bar color to default	self.navigationController.navigationBar.barStyle = UIBarStyleDefault;	[UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleDefault;}// called after this controller's view will appear- (void)viewWillAppear:(BOOL)animated{		[imageView startAnimating];		// for aesthetic reasons (the background is black), make the nav bar black for this particular page	self.navigationController.navigationBar.barStyle = UIBarStyleBlackOpaque;		// match the status bar with the nav bar	[UIApplication sharedApplication].statusBarStyle = UIStatusBarStyleBlackOpaque;}@end