- (void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event {
UIViewController *vc = [[UIViewController alloc] init];
vc.view.backgroundColor = [UIColor redColor];
// vc.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; // 淡入淡出
// vc.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; // 水平翻转
// vc.modalTransitionStyle = UIModalTransitionStylePartialCurl; // 翻页效果
// vc.modalTransitionStyle = UIModalTransitionStyleCoverVertical; // 从下往上弹出(默认)
// vc.modalPresentationStyle = UIModalPresentationFormSheet; // 新弹出的控制器显示在屏幕中央(最常用)
// vc.modalPresentationStyle = UIModalPresentationPageSheet; // 新弹出的控制器显示一页
vc.modalPresentationStyle = UIModalPresentationFullScreen; // 新弹出的控制器显示全屏(默认)
[self presentViewController:vc animated:YES completion:nil];
}