카메라 연동 코드 (UIImagePickerController)

[기능]
- 카메라를 통한 사진 선택
- 롤 이미지에서 사진 선택
- 도큐먼트에 이미지 저장
- 새로 실행할때 도큐먼트 이미지 로드 기능

-h 코드

//

//  DocumentTestViewController.h

//  DocumentTest

//

//  Created by 병욱 손 on 11. 5. 1..

//  Copyright 2011 GsiSystem. All rights reserved.

//

#import <UIKit/UIKit.h>

#define kFilename @"data.plist"

#define kImageFilename @"Test.png"

@interface DocumentTestViewController : UIViewController<UIImagePickerControllerDelegate, UINavigationControllerDelegate> {

IBOutlet UIImageView *imageView;

IBOutlet UIButton *takePictureButton;

IBOutlet UIButton *selectFromCameraRollButton;

IBOutlet UITextField *field1;

IBOutlet UITextField *field2;

IBOutlet UITextField *field3;

IBOutlet UITextField *field4;

}

@property (nonatomic, retain) UIImageView *imageView;

@property (nonatomic, retain) UIButton *takePictureButton;

@property (nonatomic, retain) UIButton *selectFromCameraRollButton;

@property (nonatomic, retain) UITextField *field1;

@property (nonatomic, retain) UITextField *field2;

@property (nonatomic, retain) UITextField *field3;

@property (nonatomic, retain) UITextField *field4;

- (NSString *)dataFilePath;

- (NSString *)dataImageFilePath;

- (void) applicationWillTerminate:(NSNotification *)notification;

- (IBAction)getCameraPicture:(id)sender;

- (IBAction)selectExistingPicture;

@end

- m 코드

//

//  DocumentTestViewController.m

//  DocumentTest

//

//  Created by 병욱 손 on 11. 5. 1..

//  Copyright 2011 GsiSystem. All rights reserved.

//

#import "DocumentTestViewController.h"

@implementation DocumentTestViewController

@synthesize field1, field2, field3, field4;

@synthesize imageView;

@synthesize takePictureButton;

@synthesize selectFromCameraRollButton;

/*

// The designated initializer. Override to perform setup that is required before the view is loaded.

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {

    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];

    if (self) {

        // Custom initialization

    }

    return self;

}

*/

/*

// Implement loadView to create a view hierarchy programmatically, without using a nib.

- (void)loadView {

}

*/

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.

- (void)viewDidLoad {

//    [super viewDidLoad];

//

NSString *filePath = [self dataFilePath];

if ([[NSFileManager defaultManager] fileExistsAtPath:filePath]) {

NSArray *array = [[NSArray alloc] initWithContentsOfFile:filePath];

field1.text = [array objectAtIndex:0];

field2.text = [array objectAtIndex:1];

field3.text = [array objectAtIndex:2];

field4.text = [array objectAtIndex:3];

[array release];

}

//

NSString *imageFilePath = [self dataImageFilePath];

if ([[NSFileManager defaultManager] fileExistsAtPath:imageFilePath]) {

UIImage *image = [UIImage imageWithContentsOfFile:imageFilePath];

imageView.image = image;

}

//

UIApplication *app = [UIApplication sharedApplication];

[[NSNotificationCenter defaultCenter] addObserver:self 

selector:@selector(applicationWillTerminate:) 

name:UIApplicationWillTerminateNotification 

  object:app];

[super viewDidLoad];

//

if (![UIImagePickerController isSourceTypeAvailable:

  UIImagePickerControllerSourceTypeCamera]) {

takePictureButton.hidden = YES;

selectFromCameraRollButton.hidden = YES;

}

}

- (NSString *)dataFilePath

{

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];

return [documentsDirectory stringByAppendingPathComponent:kFilename];

}

- (NSString *)dataImageFilePath

{

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *documentsDirectory = [paths objectAtIndex:0];

return [documentsDirectory stringByAppendingPathComponent:kImageFilename];

}

- (void) applicationWillTerminate:(NSNotification *)notification

{

NSMutableArray *array = [[NSMutableArray alloc] init];

[array addObject:field1.text];

[array addObject:field2.text];

[array addObject:field3.text];

[array addObject:field4.text];

[array writeToFile:[self dataFilePath] atomically:YES];

[array release];

}

/*

// 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 {

    [super dealloc];

[field1 release];

[field2 release];

[field3 release];

[field4 release];

[imageView release];

[takePictureButton release];

[selectFromCameraRollButton release];

}

- (IBAction)getCameraPicture:(id)sender

{

UIImagePickerController *picker = 

[[UIImagePickerController alloc] init];

picker.delegate = self;

picker.allowsImageEditing = YES;

picker.sourceType = (sender == takePictureButton) ?

UIImagePickerControllerSourceTypeCamera : 

UIImagePickerControllerSourceTypeSavedPhotosAlbum;

[self presentModalViewController:picker animated:YES];

[picker release];

}

- (IBAction)selectExistingPicture

{

if ([UIImagePickerController isSourceTypeAvailable:

UIImagePickerControllerSourceTypePhotoLibrary]) {

UIImagePickerController *picker = 

[[UIImagePickerController alloc] init];

picker.delegate = self;

picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;

picker.allowsImageEditing = YES;

[self presentModalViewController:picker animated:YES];

[picker release];

}

else {

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error accessing photo library"

message:@"Device does not support a photo library"

  delegate:nil

  cancelButtonTitle:@"Drat!"

  otherButtonTitles:nil];

[alert show];

[alert release];

}

}

- (void)imagePickerController:(UIImagePickerController *)picker

didFinishPickingImage:(UIImage *)image

  editingInfo:(NSDictionary *)editingInfo {

imageView.image = image;

printf("Image:%f, %f", image.size.width, image.size.height);

[UIImagePNGRepresentation(image) writeToFile:[self dataImageFilePath]

  atomically:YES];

[picker dismissModalViewControllerAnimated:YES];

}

- (void)imagePickerControllerDidCancel:(UIImagePickerController *)picker

{

[picker dismissModalViewControllerAnimated:YES];

}

@end

- 인터페이스 빌더 내용
캡춰 맥에서 어케 하는지 몰겠군요. ^^

출처 : http://iamgsi.tistory.com/542