Circular UIImageView with border and Programmatically UIImageView Creation in iphone sdk

UIImageView Circular: 

[imgView.layer setCornerRadius:22.0];

[imgView.layer setMasksToBounds:YES];

UIimageView Border:

imgView.layer.borderWidth = 2.0f;

imgView.layer.borderColor = [UIColor greenColor].CGColor;

Programmatically UIImageView Creation:

UIImageView *imgView = [[UIImageView alloc]initWithImage:img];

imgView.frame = CGRectMake(10, 10, 45, 45);

[self.view addSubview:imgView];

[imgView.layer setCornerRadius:22.0];

[imgView.layer setMasksToBounds:YES];

imgView.contentMode = UIViewContentModeCenter;

imgView.layer.borderWidth = 2.0f;

imgView.layer.borderColor = [UIColor greenColor].CGColor;

Example: