// Sign in Anonymously
void SignInAnonymouslyCompleted(AuthDataResult authDataResult, NSError error)
{
if (error == null)
{
AppDelegate.UserUid = authDataResult.User.Uid;
// Points to https://MyDatabaseId.firebaseio.com/users
userNode = AppDelegate.RootNode.GetChild("users").GetChild(AppDelegate.UserUid);
VerifyIfUserExists();
}
else
{
AuthErrorCode errorCode;
if (IntPtr.Size == 8) // 64 bits devices
{
errorCode = (AuthErrorCode)((long)error.Code);
}
else // 32 bits devices
{
errorCode = (AuthErrorCode)((int)error.Code);
}
var title = "Anonymous sign-in failed!";
// Posible error codes that SignInAnonymously method could throw
// Visit https://firebase.google.com/docs/auth/ios/errors for more information
switch (errorCode)
{
case AuthErrorCode.OperationNotAllowed:
UIAlertHelper.ShowMessage(title,
"The app uses Anonymous sign-in to work correctly and seems to be disabled…\n" +
"Please, go to Firebase console and enable Anonymous login.\n" +
"Open «Application Output» in Xamarin Studio for more information.",
NavigationController,
"Ok, let me enable it!");
Console.WriteLine("Anonymous sign-in seems to be disabled. Please, visit the following link to know how " +
"to enable it: https://firebase.google.com/docs/auth/ios/anonymous-auth#before-you-begin");
break;
case AuthErrorCode.NetworkError:
UIAlertHelper.ShowMessage(title,
"Seems to be the first time that you run the sample and you don't have access to internet.\n" +
"The sample needs to run with internet at least once so you can create an Anonymous user.",
NavigationController,
"Ok");
break;
default:
UIAlertHelper.ShowMessage(title,
"An unknown error has ocurred…",
NavigationController,
"Ok");
break;
}
indicatorView.StopAnimating();
}
}
// Gets the folder name and verifies that folder name is written correctly
void btnNewFolder_Clicked(object sender, EventArgs e)
{
UIAlertHelper.ShowMessage("Create a new folder",
"Type a folder name.\nName can contain letters, numbers, spaces, dashes and underscores only",
NavigationController,
"Create",
new [] { "Folder name" },
(alertCanceled, textfieldInputs) => {
if (alertCanceled)
{
return;
}
var folderName = textfieldInputs [0].Trim();
if (string.IsNullOrWhiteSpace(folderName))
{
UIAlertHelper.ShowMessage("Empty name!", "A folder name cannot be a space or an empty name.", NavigationController, "Ok");
return;
}
if (!VerifyFolderName(folderName))
{
UIAlertHelper.ShowMessage("Bad folder name!", "A name can contain letters, numbers, spaces, dashes and underscores only.", NavigationController, "Ok");
return;
}
if (VerifyIfFolderExists(folderName))
{
UIAlertHelper.ShowMessage("Folder exists!", "A folder with that name already exists.", NavigationController, "Ok");
return;
}
CreateFolder(folderName);
});
}