Saving and Retrieving Data in iPhone

Save.h

@property (nonatomic, retain) IBOutlet UITextField *myTxtFld;

- (IBAction)saveButtonPressed:(id)sender;

- (IBAction)showMyData:(id)sender;

Save.m

@synthesize myTxtFld;

- (IBAction)saveButtonPressed:(id)sender

{

    [myTxtFld resignFirstResponder];

   

    [[NSUserDefaults standardUserDefaults] setValue:myTxtFld.text forKey:@"MyData"];

}

- (IBAction)showMyData:(id)sender

{

    NSString *myData = [[NSUserDefaults standardUserDefaults] valueForKey:@"MyData"];

   

    [[[UIAlertView alloc] initWithTitle:@"My Data"

                                message:myData

                               delegate:nil

                      cancelButtonTitle:@"OK" otherButtonTitles:nil] show];

}