Question

I would like to create a user guide for my app to show only once. How can I create a simple UIModalPresentationFormSheet with some text in it?

EDIT:

UIViewController *newItemViewController = [[UIViewController alloc] initWithNibName:@"View.xib" bundle:nil];
newItemViewController.modalPresentationStyle = UIModalPresentationFormSheet;
[self presentModalViewController:newItemViewController animated:YES];

Answer 1

You could store value in NSUserDeafualts. So in your main UIViewController in viewDidAppear :

 #define SHOULD_SHOW_KEY @"shouldShowKey"
- (void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
//Get user defaults
NSUserDefaults *defaults=[NSUserDefaults standardUserDefaults];
//if there is no object for SHOULD_SHOW_KEY present modal contoroler
if (![defaults objectForKey:SHOULD_SHOW_KEY]) {
    //Set object for key and synchronize defaults
    [defaults setObject:SHOULD_SHOW_KEY forKey:SHOULD_SHOW_KEY];
    [defaults synchronize];
    //Present any custom modal controller
    UIViewController *yourModalVC=[self.storyboard instantiateViewControllerWithIdentifier:@"myModalVC"];
    [self presentModalViewController:yourModalVC animated:YES];
}
}

Hope this helped.