问UIImagePickerController问题

EN

    #import <UIKit/UIKit.h>

    @interface iNotateViewController : UIViewController {

    }

@end

#import "iNotateViewController.h"

@implementation iNotateViewController

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview
    // Release anything that's not essential, such as cached data
}


- (void)dealloc {
    [super dealloc];
}

@end

#import <UIKit/UIKit.h>
#import <UIKit/UIViewController.h>

@interface AlbumViewController : UIViewController <UINavigationControllerDelegate,
                                                    UIImagePickerControllerDelegate >{

}
@end

    - (void)viewDidLoad {

        [super viewDidLoad];

        if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypePhotoLibrary]) {
            UIImagePickerController *picker;
            picker = [[UIImagePickerController alloc] init];
            picker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary;
            picker.allowsImageEditing = YES;

            picker.delegate = self;

            [self presentModalViewController:picker animated:YES];

            [picker release];       
        }
    }


    -(void)imagePickerController: (UIImagePickerController *) picker
           didFinishPickingImage: (UIImage *) image
                     editingInfo: (NSDictionary *) editingInfo {
        [self useImage:image];
        [[picker parentViewController] dismissModalViewControllerAnimated:YES];
    }

    -(void)imagePickerControllerDidCancel: (UIImagePickerController *)picker {
        [[picker parentViewController] dismissModalViewControllerAnimated:YES];
    }
@end