UserDefaults in CheckBox

UserDefaults in CheckBox...

-(void)viewWillAppear:(BOOL)animated{

    [super viewWillAppear:YES];

    

    NSUserDefaults *defaults=[NSUserDefaults standardUserDefaults];

    NSString *emailStr = [defaults objectForKey:@"email_key"];

    NSString *passwordStr = [defaults objectForKey:@"password_key"];

    BOOL checkNeeded = [defaults objectForKey:@"checkboxSelected_Key"];

    if (checkNeeded) {

        self.checkboxSelected  = YES;

        [self.checkboxButton setImage:[UIImage imageNamed:@"CheckboxIcon"] forState:UIControlStateNormal];

        if (emailStr.length != 0) {

            self.email.text = emailStr;

        }

        else{

            self.email.text = @"";

        }

        if (passwordStr.length != 0) {

            self.password.text = passwordStr;

        }

        else{

            self.password.text = @"";

        }

    }

    else{

        self.checkboxSelected = NO;

        [self.checkboxButton setImage:[UIImage imageNamed:@"UnCheckboxIcon"] forState:UIControlStateNormal];

    }

}

- (IBAction)checkboxTapped:(id)sender {

    

    if (self.checkboxSelected == NO){

        self.checkboxSelected  = YES;

        [self.checkboxButton setImage:[UIImage imageNamed:@"CheckboxIcon"] forState:UIControlStateNormal];

        NSUserDefaults *defaults=[NSUserDefaults standardUserDefaults];

        NSString *emailStr = [defaults objectForKey:@"email_key"];

        NSString *passwordStr = [defaults objectForKey:@"password_key"];

        

        if (emailStr.length != 0) {

            self.email.text = emailStr;

        }

        

        if (passwordStr.length != 0) {

            self.password.text = passwordStr;

        }

        }

        else {

        self.checkboxSelected = NO;

        [self.checkboxButton setImage:[UIImage imageNamed:@"UnCheckboxIcon"] forState:UIControlStateNormal];

        self.email.text = @"";

        self.password.text = @"";

    }

}