CustomContentAccessibility/APLAppDelegate.m

/*
 File: APLAppDelegate.m
 Abstract: Delegate for the application.
 Version: 1.0
 
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 */
 
#import "APLAppDelegate.h"
#import "APLViewController.h"
 
static NSString *const kControlsRestrictionIdentifier = @"com.apple.CustomContentAccessibility.ControlsRestrictionIdentifier";
 
@interface APLAppDelegate ()
 
@property (strong, nonatomic) APLViewController *viewController;
 
@end
 
@implementation APLAppDelegate
 
#pragma mark - UIApplicationDelegate
 
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    self.viewController = [[APLViewController alloc] initWithNibName:@"APLViewController" bundle:nil];
    self.window.rootViewController = self.viewController;
    [self.window makeKeyAndVisible];
    return YES;
}
 
#pragma mark - Implement UIGuidedAccessRestrictionDelegate
 
// Returns a localized, human-readable string that provides additional information about the restriction
// for the provided identifier.
//
- (NSString *)detailTextForGuidedAccessRestrictionWithIdentifier:(NSString *)restrictionIdentifier
{
    if ( [restrictionIdentifier isEqualToString:kControlsRestrictionIdentifier] )
    {
        // The sample is not localized, using NSLocalizedString here is just to note that
        // the returned string will be displayed in Guided Access UI, and should be localized.
        return NSLocalizedString(@"detailTextForControlsRestriction", nil);
    }
    return nil;
}
 
// Return an array with an identifier string for each custom guided access restriction provided in the app
// Each restriction identifier must be unique string. For example: com.MyCompany.MyApp.SomeRestrictionIdentifier
// 
- (NSArray *)guidedAccessRestrictionIdentifiers
{
    return @[ kControlsRestrictionIdentifier ];
}
 
// Called each time the restriction associated with the identifier changes state.
// Here we simply enable or disable the controls based on the Guided Access Restriction state
//
- (void)guidedAccessRestrictionWithIdentifier:(NSString *)restrictionIdentifier
                               didChangeState:(UIGuidedAccessRestrictionState)newRestrictionState
{
    if ( [restrictionIdentifier isEqualToString:kControlsRestrictionIdentifier] )
    {
        [self.viewController setControlsEnabled:( newRestrictionState != UIGuidedAccessRestrictionStateDeny )];
    }
}
 
// Returns a localized string that describes the restriction associated with the identifier.
//
- (NSString *)textForGuidedAccessRestrictionWithIdentifier:(NSString *)restrictionIdentifier
{
    if ( [restrictionIdentifier isEqualToString:kControlsRestrictionIdentifier] )
    {
        // The sample is not localized, using NSLocalizedString here is just to note that
        // the returned string will be displayed in Guided Access UI, and should be localized.
        return NSLocalizedString(@"textForControlsRestriction", nil);
    }
    return nil;
}
 
@end