Presentation Controllers usage (2), controllers

Presentation Controllers usage (2), controllers
Presentation Controllers usage (2) by Wu xueying



Model past:

- (IBAction)show:(id)sender {    SecondViewController *overlay = [[SecondViewController alloc] initWithCountry];    [self presentViewController:overlay animated:YES completion:nil];}

SecondViewController. m

- (instancetype)initContentView {    self = [super init];    if (self) {        [self setModalPresentationStyle:UIModalPresentationCustom];        self.view.backgroundColor = [UIColor clearColor];        self.contentContainerView = [[UIView alloc] initWithFrame:CGRectMake(20, 200, 280, 200)];        self.contentContainerView.backgroundColor = [UIColor colorWithWhite:0.0 alpha:0.8];        self.contentContainerView.layer.cornerRadius = 5.0;        [self.view addSubview:self.contentContainerView];               self.closeButton = [UIButton buttonWithType:UIButtonTypeSystem];        self.closeButton.frame = CGRectMake(30, 30, 100, 100);        self.closeButton.tintColor = [UIColor whiteColor];        self.closeButton.titleLabel.font = [UIFont systemFontOfSize:13];        [self.closeButton setTitle:@"Close" forState:UIControlStateNormal];        [self.closeButton addTarget:self action:@selector(closeButtonPressed:) forControlEvents:UIControlEventTouchUpInside];        [self.contentContainerView addSubview:self.closeButton];    }    return self;}- (void)closeButtonPressed:(UIButton *)sender {    [self.presentingViewController dismissViewControllerAnimated:YES completion:nil];}