Saving login credentials Xcode

Question

I am implementing an application, the first view is the login view. it contains 3 textfields Account name, Username and password. i want to let the application to save the logi

Answer 1

To Save:

    [[NSUserDefaults standardUserDefaults] setValue:AccountTxtField.text forKey:@"Account"];
    [[NSUserDefaults standardUserDefaults] setValue:UserTxtField.text forKey:@"Username"];
    [[NSUserDefaults standardUserDefaults] setValue:passwordTxtField.text forKey:@"password"];
    [[NSUserDefaults standardUserDefaults] synchronize];

To Read:

    NSString * _Account = [[NSUserDefaults standardUserDefaults] stringForKey:@"Account"];
    NSString * _UserName = [[NSUserDefaults standardUserDefaults] stringForKey:@"Username"];
    NSString * _password = [[NSUserDefaults standardUserDefaults] stringForKey:@"password"];

logOut : set all value is null.