//FirstViewController.h

@interface FirstViewController : UIViewController
                <UIImagePickerControllerDelegate,UINavigationControllerDelegate>
{

    UIImagePickerController *picker;
    UIImageView *cameraImage;
    UIButton *shotButton;
    UIButton *chooseFileButton;
}



@property (nonatomic, retain) IBOutlet UIImageView *cameraImage;
@property (nonatomic, retain) IBOutlet UIButton *shotButton;
@property (nonatomic, retain) IBOutlet UIButton *chooseFileButton;



- (IBAction) shotButtonClicked: (id) sender;
- (IBAction) chooseFileButtonClicked: (id) sender;

@end






//FirstViewController.m

#import "FirstViewController.h"

@implementation FirstViewController

@synthesize cameraImage, chooseFileButton, shotButton;


- (IBAction) chooseFileButtonClicked{

    //to do
}


- (IBAction) shotButtonClicked{

    [self saveImage];

}


- (void) saveImage
{

    //saving image
    NSData *imageData =
        [NSData dataWithData:UIImagePNGRepresentation(cameraImage.image)];

    //writing file
    [imageData writeToFile:[self filePath:@"userPic.png"] atomically:YES];

}

- (NSString *) filePath: (NSString *) fileName
{
    NSArray *paths =
        NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
    NSString *documentsDir = [paths objectAtIndex:0];

    return [documentsDir stringByAppendingFormat:fileName];
}


// The designated initializer.  Override if you create the controller programmatically and want to perform customization that is not appropriate for viewDidLoad.
/*
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil {
    self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
    if (self) {
        // Custom initialization.
    }
    return self;
}
*/


// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad {
    picker = [[UIImagePickerController alloc] init];
    picker.delegate = self;
    picker.sourceType = UIImagePickerControllerSourceTypeCamera;
    picker.allowsEditing = NO;
    picker.cameraCaptureMode = UIImagePickerControllerCameraCaptureModePhoto;
    [self presentModalViewController:picker animated:YES];




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


- (void)dealloc {
    [picker release];
    [cameraImage release];
    [super dealloc];
}


@end