LoadTasks.m

- (void)loadTasks {
    NSString *path = @"~/Documents/";
    path = [path stringByAppendingString:@"FILE_NAME"];
    path = [path stringByExpandingTildeInPath];

    NSMutableDictionary *rootObject = [NSKeyedUnarchiver unarchiveObjectWithFile:path];


    NSArray *tasks = rootObject[@"myTasks"];
    for (NSInteger i = 0; i < tasks.count; i++) {
        Task *task = tasks[i];
        NSLog(@"Loaded task:%@", task.name);
    }
}