Taking A Picture

Example With Camera Button In Top Navigation Bar

In #ViewController.h

@interface #ViewController : UIViewController

{

In #ViewController.m

//********** INIT **********
- (id)init
{
	[super initWithNibName:@"ItemDetailViewController" bundle:nil];

	//----- ADD CAMERA BUTTON TO NAVIGATION BAR -----
	UIBarButtonItem *cameraBarButtonItem =
			[[UIBarButtonItem alloc]
				initWithBarButtonSystemItem:UIBarButtonSystemItemCamera
				target:self
				action:@selector(takePicture:)];

	[[self navigationItem] setRightBarButtonItem:cameraBarButtonItem];	//Add to nav bar when this view controller is on the top of the stack
	[cameraBarButtonItem release];		//It is retained by the navitation item so we can release

	return self;
}

//********** TAKE PICTURE **********
-(void)takePicture:(id)sender
{
	UIImagePickerController *imagePicker = [[UIImagePickerController alloc] init];

	//Use camera if device has one otherwise use photo library
	if ([UIImagePickerController isSourceTypeAvailable:UIImagePickerControllerSourceTypeCamera])
	{
		[imagePicker setSourceType:UIImagePickerControllerSourceTypeCamera];
	}
	else
	{
		[imagePicker setSourceType:UIImagePickerControllerSourceTypePhotoLibrary];
	}

	[imagePicker setDelegate:self];

	//Show image picker
	[self presentModalViewController:imagePicker animated:YES];
	//Modal so we wait for it to complete
	[imagePicker release];
}

//********** RECEIVE PICTURE **********
- (void)imagePickerController:(UIImagePickerController *)picker
		didFinishPickingMediaWithInfo:(NSDictionary *)info
{
	//Get image
	UIImage *image = [info objectForKey:UIImagePickerControllerOriginalImage];

	//Display in ImageView object (if you want to display it
	[imageView setImage:image];

	//Take image picker off the screen (required)
	[self dismissModalViewControllerAnimated:YES];
}