iOS camera overlay view

gistfile1.m

@implementation OverlayView
- (id)initWithFrame:(CGRect)frame {
    if (self = [super initWithFrame:frame]) {
        //clear the background color of the overlay
        self.opaque = NO;
        self.backgroundColor = [UIColor clearColor];

        //load an image to show in the overlay
        UIImage *searcher = [UIImage imageNamed:@"searcher.png"];
        UIImageView *searcherView = [[UIImageView alloc]
                            initWithImage:searcher];
        searcherView.frame = CGRectMake(30, 100, 260, 200);
        [self addSubview:searcherView];
        [searcherView release];

        //add a simple button to the overview
        //with no functionality at the moment
        UIButton *button = [UIButton
                            buttonWithType:UIButtonTypeRoundedRect];
        [button setTitle:@"Scan Now" forState:UIControlStateNormal];
        button.frame = CGRectMake(0, 430, 320, 40);
        [self addSubview:button];
    }
    return self;
}
...
@end