protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
Parse.Initialize(this, ParseCredentials.ApplicationID, ParseCredentials.ClientKey);
DensityExtensions.Initialize(this);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.Main);
var signInBtn = FindViewById <Button> (Resource.Id.SignInButton);
var signUpBtn = FindViewById <Button> (Resource.Id.SignUpButton);
var userEntry = FindViewById <EditText> (Resource.Id.EmailEntry);
var passwordEntry = FindViewById <EditText> (Resource.Id.PasswordEntry);
/* If the user is already logged in, we show a blank landing page
* (as there is a bit of delay when acquiring the TabPerson
* so this activity content is still shown).
*/
if (ParseUser.CurrentUser != null)
{
signInBtn.Visibility = signUpBtn.Visibility = userEntry.Visibility = passwordEntry.Visibility = ViewStates.Invisible;
ParseUser.CurrentUser.RefreshInBackground(null);
LaunchApp(this, ParseUser.CurrentUser, null);
}
profile = UserProfile.Instantiate(this);
SignupTimer timer = null;
userEntry.AfterTextChanged += (sender, e) => {
var login = userEntry.Text;
if (string.IsNullOrEmpty(login))
{
return;
}
if (timer != null)
{
timer.Cancel();
}
timer = new SignupTimer(1000, 1000, () => {
var usernameChecker = CheckLoginDisponibility(login);
usernameChecker.ContinueWith(t => {
if (userEntry.Text == login)
{
signUpBtn.Enabled = t.Result;
}
}, TaskContinuationOptions.ExecuteSynchronously);
});
timer.Start();
};
var initialEmail = profile.PrimayAddress ?? (profile.Emails == null ? null : profile.Emails.FirstOrDefault()) ?? null;
if (!string.IsNullOrEmpty(initialEmail))
{
userEntry.Text = initialEmail;
}
if (!string.IsNullOrEmpty(userEntry.Text))
{
passwordEntry.RequestFocus();
}
ProgressDialog spinDialog = new ProgressDialog(this)
{
Indeterminate = true
};
spinDialog.SetCancelable(false);
Action <ParseUser, ParseException> callback = (user, err) => {
if (user == null || err != null)
{
Android.Util.Log.Debug("Login",
"User not recognized: {0}",
(err != null) ? err.Message : string.Empty);
spinDialog.Dismiss();
var builder = new AlertDialog.Builder(this);
builder.SetMessage(Resource.String.login_error);
builder.SetPositiveButton("OK", (a, b) => passwordEntry.Text = string.Empty);
builder.Create().Show();
return;
}
Android.Util.Log.Debug("Login", "User {0} successfully logged. New? {1}", user.Username, user.IsNew);
LaunchApp(this, user, spinDialog.Dismiss);
};
signInBtn.Click += (sender, e) => {
string email;
if (!TryExtractEmailFromRawInput(userEntry.Text, out email))
{
var builder = new AlertDialog.Builder(this);
builder.SetMessage(Resource.String.invalid_email);
builder.SetPositiveButton("OK", (a, b) => userEntry.Text = string.Empty);
builder.Create().Show();
return;
}
spinDialog.SetMessage("Signing in...");
spinDialog.Show();
ParseUser.LogInInBackground(email,
passwordEntry.Text,
new TabLoginCallback(callback));
};
signUpBtn.Click += (sender, e) => {
string email;
if (!TryExtractEmailFromRawInput(userEntry.Text, out email))
{
var builder = new AlertDialog.Builder(this);
builder.SetMessage(Resource.String.invalid_email);
builder.SetPositiveButton("OK", (a, b) => userEntry.Text = string.Empty);
builder.Create().Show();
return;
}
spinDialog.SetMessage("Signing up...");
spinDialog.Show();
var user = new ParseUser()
{
Username = email,
Email = email
};
user.SetPassword(passwordEntry.Text);
user.SignUpInBackground(new TabSignUpCallback(user, callback));
};
}
