ios - Issue in NSUserDefaults LoginView with UISwitch -

i'm unable store username , password in loginview when enable rememberme switch.

here code, kindly me!

- (void)viewdidload {     if (rememberswitch.on == yes){          self.usernamefield.text = usernamefield.text;          self.passwordfield.text = passwordfield.text ;      }else{          nslog(@"switch off");          self.usernamefield.text = @"";          self.passwordfield.text = @"";        }  }  - (ibaction)remembermetouched:(id)sender  {      nsuserdefaults *userdefaults = [nsuserdefaults standarduserdefaults];      if (rememberswitch.on == yes) {          nsstring *userstring = usernamefield.text;          [userdefaults setobject:userstring forkey:@"userstring"];          nsstring *passwordstring = passwordfield.text;          [userdefaults setobject:passwordstring forkey:@"passwordstring"];      }      [userdefaults setobject:(rememberswitch.on ? @"true" : @"false") forkey:@"isremember"];      [userdefaults synchronize];  } 

you need load content nsuserdefault code should this:

if (rememberswitch.on == yes){      self.usernamefield.text = [userdefaults objectforkey:@"userstring"];;      self.passwordfield.text = [userdefaults objectforkey:@"passwordstring"];;  }