Code Note: Add a rounded corner to UIImageView and a rounded corner to uiimageview.
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Ii. Code.
RootViewController. m
# Import "RootViewController. h "@ interface RootViewController () @ end @ implementation RootViewController-(id) initWithNibName :( NSString *) bundle :( NSBundle *) handle {self = [super initWithNibName: nibNameOrNil bundle: nibBundleOrNil]; if (self) {// Custom initialization} return self;}-(void) viewDidLoad {[super viewDidLoad]; // Do any additional setup after loading the view. // rounded corner effect [self addView];} # pragma-mark-functions // rounded corner effect-(void) addView {UIImageView * imageView = [[UIImageView alloc] initWithFrame: CGRectMake (50,100,200,200)]; imageView. backgroundColor = [UIColor greenColor]; imageView. layer. cornerRadius = 10; imageView. clipsToBounds = YES; [self. view addSubview: imageView];}-(void) didReceiveMemoryWarning {[super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated .}