1 代碼

UIViewController* modalController = [[UIViewController alloc]init];

modalController.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;

modalController.modalPresentationStyle = UIModalPresentationFormSheet;

//Resizing size

CGPoint frameSize = CGPointMake([[UIScreen mainScreen] bounds].size.width*0.95f, [[UIScreen mainScreen] bounds].size.height*0.95f);

CGRect screenRect = [[UIScreen mainScreen] bounds];

CGFloat screenWidth = screenRect.size.width;

CGFloat screenHeight = screenRect.size.height;

if ([[[UIDevice currentDevice]systemVersion] floatValue] >= 8.0 )

{

// Resizing for iOS 8

modalController.preferredContentSize = CGSizeMake(frameSize.x, frameSize.y);

}

else

{

// Resizing for <= iOS 7

modalController.view.superview.frame = CGRectMake((screenWidth - frameSize.x)/2, (screenHeight - frameSize.y)/2, frameSize.x, frameSize.y);

}

UIViewController *vc = [[[[UIApplication sharedApplication] delegate] window] rootViewController];

[vc presentViewController:modalController animated:YES completion:nil];

 

2 場景

 打開態窗體屬性導航器Show Utilities＝》找到show the attributes inspector＝》修改Presentation +Content size大小（選中user preferred explicit size）

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