Objective c 如何在iOS 8中获得UIModalPresentationFormSheet的正确视图大小？
我在iPad上用UIModalPresentationFormSheet演示样式展示了一个视图，用于欢迎屏幕。下面是显示视图的代码。如果之前未显示欢迎屏幕，则在我的主屏幕的viewDidLoad中调用此选项Objective c 如何在iOS 8中获得UIModalPresentationFormSheet的正确视图大小？,objective-c,ipad,ios8,autolayout,Objective C,Ipad,Ios8,Autolayout,我在iPad上用UIModalPresentationFormSheet演示样式展示了一个视图，用于欢迎屏幕。下面是显示视图的代码。如果之前未显示欢迎屏幕，则在我的主屏幕的viewDidLoad中调用此选项 UIStoryboard *welcomeStoryboard = [UIStoryboard storyboardWithName:[NSString stringWithFormat:@"Welcome_%@", (UI_USER_INTERFACE_IDIOM() == UIUserI
UIStoryboard *welcomeStoryboard = [UIStoryboard storyboardWithName:[NSString stringWithFormat:@"Welcome_%@", (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad ? @"iPad" : @"iPhone")] bundle:nil];
self.welcomeViewController = [welcomeStoryboard instantiateViewControllerWithIdentifier:@"welcome"];
if(UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad){
self.welcomeViewController.modalPresentationStyle = UIModalPresentationFormSheet;
if(IS_OS_8_OR_LATER){
self.welcomeViewController.preferredContentSize = CGSizeMake(540.0f, 620.0f);
}
}
[self presentViewController:self.welcomeViewController animated:NO completion:NULL];