ButtonView in iPhone

#import <UIKit/UIKit.h>

@class PickerView;
@class SoundView;
@class ImageView;

@interface ButtonViewViewController : UIViewController {

PickerView *pickerView;
SoundView *soundView;
ImageView *imageView;

UIButton *pickerbutton;
UIButton *songbutton;
UIButton *imagebutton;
}

@property(nonatomic, retain) IBOutlet  PickerView *pickerView;
@property(nonatomic, retain) IBOutlet  SoundView *soundView;
@property(nonatomic, retain) IBOutlet  ImageView *imageView;

@property(nonatomic, retain) IBOutlet  UIButton *pickerbutton;
@property(nonatomic, retain) IBOutlet  UIButton *songbutton;
@property(nonatomic, retain) IBOutlet  UIButton *imagebutton;

–(IBAction)FirstButton:(id)sender;
–(IBAction)SecondButton:(id)sender;
–(IBAction)ThirdButton:(id)sender;

@end

#import "ButtonViewViewController.h"
#import "PickerView.h"
#import "SoundView.h"
#import "ImageView.h"

@implementation ButtonViewViewController
@synthesize pickerbutton,songbutton,imagebutton,pickerView,soundView,imageView;

–(IBAction)FirstButton:(id)sender
{
pickerView = [[PickerView alloc]initWithNibName:@"PickerView"bundle:nil];
[self.view addSubview:pickerView.view];

}
–(IBAction)SecondButton:(id)sender
{
soundView = [[SoundView alloc]initWithNibName:@"SoundView"bundle:nil];
[self.view addSubview:soundView.view];

}
–(IBAction)ThirdButton:(id)sender
{
imageView = [[ImageView alloc]initWithNibName:@"ImageView"bundle:nil];
[self.view addSubview:imageView.view];

}
– (void)dealloc
{
[super dealloc];
[pickerView.view release];
[soundView.view release];
[imageView.view release];
}

– (void)didReceiveMemoryWarning
{
// Releases the view if it doesn’t have a superview.
[super didReceiveMemoryWarning];

// Release any cached data, images, etc that aren’t in use.
}

#pragma mark – View lifecycle

– (void)viewDidUnload
{
[super viewDidUnload];
}

– (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end

#import <UIKit/UIKit.h>
@interface PickerView : UIViewController
{
IBOutlet UIPickerView *singlePicker;
NSArray *pickerData;
}

@property(nonatomic , retain) UIPickerView *singlePicker;
@property(nonatomic , retain) NSArray *pickerData;

–(IBAction)buttonPressed;
–(IBAction)BackButton:(id)sender;

@end

#import "PickerView.h"

@implementation PickerView

@synthesize singlePicker;
@synthesize pickerData;

// The designated initializer. Override to perform setup that is required before the view is loaded.
– (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
if (self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]) {
// Custom initialization
}
return self;
}

–(IBAction)BackButton:(id)sende
{
[self.view removeFromSuperview];
}

–(IBAction)buttonPressed
{
NSInteger row = [singlePicker selectedRowInComponent:0];
NSString *selected = [pickerData objectAtIndex:row];
NSString *title = [[NSString alloc] initWithFormat:
@"you selected %@!", selected];
UIAlertView *alert = [[UIAlertView alloc] initWithTitle:title
message : @"Thank you for choosing."
delegate:nil
cancelButtonTitle :@"You are Welcome"
otherButtonTitles :nil];
[alert show];
[alert release];
[title release];
}

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
– (void)viewDidLoad {
NSArray *array = [[NSArray alloc] initWithObjects:@"Luke",@"Leia",@"Han",@"Chewbacca",@"Artoo",
@"Threepio",@"lando",nil];
self.pickerData = array;
[array release];
[super viewDidLoad];
}

// Override to allow orientations other than the default portrait orientation.
– (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation {
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

– (void)didReceiveMemoryWarning {
// Releases the view if it doesn’t have a superview.
[super didReceiveMemoryWarning];

// Release any cached data, images, etc that aren’t in use.
}

– (void)viewDidUnload {
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}

– (void)dealloc {
[singlePicker release];
[pickerData release];
[super dealloc];
}

#pragma mark Picker data source methods
–(NSInteger)numberOfComponentsInPickerView:(UIPickerView *)pickerView
{
return 1;
}

–(NSInteger)pickerView:(UIPickerView *)pickerView
numberOfRowsInComponent:(NSInteger)component
{
return [pickerData count];
}

#pragma mark Picker delegate method
–(NSString *)pickerView:(UIPickerView *)pickerView
titleForRow:(NSInteger)row
forComponent:(NSInteger)component
{
return[pickerData objectAtIndex:row];
}
@end

#import <UIKit/UIKit.h>
@interface SoundView : UIViewController {

IBOutlet UIButton *Soundstart;
}

@property(nonatomic,retain)IBOutlet UIButton *Soundstart;

–(IBAction) soundplay:(id) sender;
–(IBAction) soundstop:(id) sender;
–(IBAction) BackButton:(id) sender;

@end

#import "SoundView.h"
#import <AVFoundation/AVFoundation.h>

@implementation SoundView

@synthesize Soundstart;
AVAudioPlayer *player;

–(IBAction)soundplay:(id)sender
{

NSString* resourcePath = [[NSBundle mainBundle] resourcePath];
resourcePath = [resourcePath stringByAppendingString:@"/sound.wav"];
NSError* err;

//Initialize our player pointing to the path to our resource
player = [[AVAudioPlayer alloc] initWithContentsOfURL:
[NSURL fileURLWithPath:resourcePath] error:&amp;err];

if( err ){
//bail!
NSLog(@"Failed with reason: %@", [err localizedDescription]);
}
else{
//set our delegate and begin playback
player.delegate = self;
[player play];
}
}

–(IBAction)soundstop:(id)sender
{
if (player != nil &amp;&amp; [player isPlaying])
{
[player stop];
}
}

–(IBAction) BackButton:(id) sender
{
[self.view removeFromSuperview];
}

– (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self) {
// Custom initialization
}
return self;
}

– (void)dealloc
{
[super dealloc];
}

– (void)didReceiveMemoryWarning
{
// Releases the view if it doesn’t have a superview.
[super didReceiveMemoryWarning];

// Release any cached data, images, etc that aren’t in use.
}

#pragma mark – View lifecycle

– (void)viewDidLoad
{
[super viewDidLoad];
// Do any additional setup after loading the view from its nib.
}

– (void)viewDidUnload
{
[super viewDidUnload];
// Release any retained subviews of the main view.
// e.g. self.myOutlet = nil;
}

– (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation
{
// Return YES for supported orientations
return (interfaceOrientation == UIInterfaceOrientationPortrait);
}

@end

#import <UIKit/UIKit.h>
@interface ImageView : UIViewController {
UIImageView *image;
}

@property(nonatomic, retain) IBOutlet  UIImageView *image;
–(IBAction)BackButton:(id)sender;
@end