protected override void OnStart()
{
var user = new ParseUser () {
Username = userName,
Email = userName
};
user.SetPassword (password);
user.SignUpInBackground (new TabSignUpCallback (user, SignUpCallback));
}
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) => {
spinDialog.SetMessage ("Signing in...");
spinDialog.Show ();
ParseUser.LogInInBackground (userEntry.Text,
passwordEntry.Text,
new TabLoginCallback (callback));
};
signUpBtn.Click += (sender, e) => {
spinDialog.SetMessage ("Signing up...");
spinDialog.Show ();
var user = new ParseUser () {
Username = userEntry.Text,
Email = userEntry.Text
};
user.SetPassword (passwordEntry.Text);
user.SignUpInBackground (new TabSignUpCallback (user, callback));
};
}