public async Task <bool> SetPasswordForUsername(string username, string password)
{
if (string.IsNullOrEmpty(username) || String.IsNullOrEmpty(password))
{
return(false);
}
KeychainHelpers.SetPasswordForUsername(username, password, "XamarinExpenses", Security.SecAccessible.Always, true);
NSUserDefaults.StandardUserDefaults.SetString(username, "username");
NSUserDefaults.StandardUserDefaults.SetBool(true, "hasLogin");
NSUserDefaults.StandardUserDefaults.Synchronize();
return(true);
}
public async Task <bool> CheckLogin(string username, string password)
{
var _username = NSUserDefaults.StandardUserDefaults.ValueForKey(new NSString("username"));
var _password = KeychainHelpers.GetPasswordForUsername(username, "XamarinExpenses", true);
if (_username == null || _password == null)
{
return(false);
}
if (password == _password &&
username == _username.ToString())
{
return(true);
}
return(false);
}
public NSString ClearKeychain(NSString username)
{
NSUserDefaults.StandardUserDefaults.RemoveObject("username");
KeychainHelpers.DeletePasswordForUsername(username, "XamarinExpenses", true);
return(new NSString());
}