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POCore Data Detail View with relationship
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  1. POCore Data Detail View with relationship
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    copied!<p>I have set up a <strong>1 to many relationship</strong> on my core data entities. I am trying to show the detailview copy of the associated data. Currently I have the prepareforseague: method working with the original entity(Routines), however I am at a lose as to how to show the linked entity (RoutinesDetails).</p> <p><img src="https://i.stack.imgur.com/f3OhS.png" alt="enter image description here"></p> <p><strong>FBCDRoutineViewController</strong></p> <pre><code> - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Fetch the devices from persistent data store NSManagedObjectContext *managedObjectContext = [self managedObjectContext]; NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] initWithEntityName:@"Routines"]; self.routines = [[managedObjectContext executeFetchRequest:fetchRequest error:nil] mutableCopy]; [self.tableView reloadData]; } - (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender { if ([[segue identifier] isEqualToString:@"UpdateDevice"]) { NSManagedObject *selectedDevice = [self.routines objectAtIndex:[[self.tableView indexPathForSelectedRow] row]]; FBCDRoutineViewController *destViewController = segue.destinationViewController; destViewController.routines = selectedDevice; } </code></pre> <p><strong>FBCDRoutineDetailViewController</strong></p> <pre><code>- (NSManagedObjectContext *)managedObjectContext { NSManagedObjectContext *context = nil; id delegate = [[UIApplication sharedApplication] delegate]; if ([delegate performSelector:@selector(managedObjectContext)]) { context = [delegate managedObjectContext]; } return context; } - (id)initWithStyle:(UITableViewStyle)style { self = [super initWithStyle:style]; if (self) { // Custom initialization } return self; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; // Fetch the devices from persistent data store NSManagedObjectContext *managedObjectContext = [self managedObjectContext]; NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] initWithEntityName:@"RoutinesDetails"]; self.routines = [[managedObjectContext executeFetchRequest:fetchRequest error:nil] mutableCopy]; } - (void)viewDidLoad { [[self navigationController] setNavigationBarHidden:NO animated:YES]; [super viewDidLoad]; // Do any additional setup after loading the view. if (self.routines) { [self.testLabel setText:[self.routines valueForKey:@"routinename"]]; } } </code></pre> <p><strong>FBCDRoutineDetailViewController</strong></p> <pre><code>@property (strong) NSManagedObject *routines; </code></pre> <p>This is my first time with core data and I am looking at how to show the Details entity. Am I Close to getting it working? If not can I get directed at to what I should be looking at. </p> <p>Any suggestions?</p>
 

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