Saving and Loading the Checklist Items

Saving

- (NSString *)documentsDirectory
{
NSArray *paths =
NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,
NSUserDomainMask, YES);
//asd
NSString *documentsDirectory = [paths
objectAtIndex:0];
return documentsDirectory;
}

- (NSString *)dataFilePath
{
return [[self
documentsDirectory] stringByAppendingPathComponent:@"Checklists.plist"];
//Create new string asd/Checklists.plist
}

- (void)viewDidLoad
{
[super
viewDidLoad];
// Do any additional setup after loading the view, typically from a nib.

NSLog(@"Documents folder is %@",[self
documentsDirectory]);
NSLog(@"Data file path is %@", [self
dataFilePath]);
...
}

pp154

Loading
pp164

- (void)loadChecklistsItems
{
NSString *path = [self
dataFilePath];
if ([[NSFileManager
defaultManager] fileExistsAtPath:path]) {
NSData *data = [[NSData
alloc] initWithContentsOfFile:path];
NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver
alloc] initForReadingWithData:data];
items = [unarchiver
decodeObjectForKey:@"ChelistItems"];
} else {
items = [[NSMutableArray
alloc] initWithCapacity:20];
}
}

//restore For viewcontrollers that are automatically loaded from a nib or storyboard
- (id)initWithCoder:(NSCoder *)aDecoder
{
if (self = [super
initWithCoder:aDecoder]) {
[self
loadChecklistsItems];
}

return self;
}