Adding a textfield programmatically to a view in IOS

gistfile1.m

// Implement viewDidLoad to do additional setup after loading the view, typically from a nib.
- (void)viewDidLoad
{
    [super viewDidLoad];
    
    CGRect frame = CGRectMake(300, 300, 200, 30);
    UITextField *textField = [[UITextField alloc] initWithFrame:frame]; 
    textField.borderStyle = UITextBorderStyleRoundedRect;
    textField.textColor = [UIColor blackColor];
    textField.font = [UIFont systemFontOfSize:17.0];
    textField.placeholder = @"Suchen";
    textField.backgroundColor = [UIColor clearColor];
    textField.autocorrectionType = UITextAutocorrectionTypeYes;
    textField.keyboardType = UIKeyboardTypeDefault;
    textField.clearButtonMode = UITextFieldViewModeWhileEditing;
    textField.delegate = self;
    
    [self.view addSubview:textField];
}