protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
Functions.CurrentContext = this;
SetContentView(Resource.Layout.ScanCode);
_txtViewGrade = FindViewById <TextView> (Resource.Id.txtViewGrade);
_editTextSubject = FindViewById <EditText> (Resource.Id.editTextSubject);
_seekBarGrade = FindViewById <SeekBar> (Resource.Id.seekBarGrade);
_seekBarGrade.ProgressChanged += seekBar_ProgressChanged;
_editTextSubject.Text = this.Intent.GetStringExtra("subject");
if (bundle != null)
{
_qrCode = bundle.GetString("qrCode");
_scannedCode = !string.IsNullOrEmpty(_qrCode);
_codeAlreadyUsed = bundle.GetBoolean("codeAlreadyUsed");
}
if (_codeAlreadyUsed)
{
ShowCodeAlreadyScannedDialog();
}
if (!IsPackageInstalled("la.droid.qr", this))
{
var dialogFragment = new DialogFragment();
dialogFragment.InitializeYesNo("The external application \"QR Droid\" is required but not installed.\r\nWould you like to do that now?", "Error",
delegate { GetQRDroid(); },
delegate { Finish(); });
dialogFragment.Show();
return;
}
if (!_scannedCode)
{
Intent qrDroid = new Intent("la.droid.qr.scan");
qrDroid.PutExtra("la.droid.qr.complete", true);
StartActivityForResult(qrDroid, 1);
}
if (bundle != null)
{
_seekBarGrade.Progress = bundle.GetInt("grade") - 2;
_editTextSubject.Text = bundle.GetString("subject");
_qrCode = bundle.GetString("qrCode");
}
Button btnFinish = FindViewById <Button> (Resource.Id.btnFinish);
btnFinish.Click += Finish;
Button btnNext = FindViewById <Button> (Resource.Id.btnNext);
btnNext.Click += Next;
}
public static bool ShowMessage(string title, string message)
{
Functions.CurrentContext.RunOnUiThread(() => {
var dialogFragment = new DialogFragment();
dialogFragment.InitializeOk(message, title, delegate { }, true);
dialogFragment.Show();
});
return(true);
}
private void DoRegister(object sender, EventArgs e)
{
if (Functions.IsOffline())
{
ResponseManager.ShowMessage("Error", "No internet connection!");
return;
}
if (_txtPassword.Text != _txtPassword2.Text)
{
ResponseManager.ShowMessage("Error", "Passwords do not match!");
return;
}
ResponseManager.ShowLoading("Creating account...");
var data = new NameValueCollection();
data.Add("register", string.Empty);
data.Add("email", _txtEmail.Text);
data.Add("password", Functions.GetSha256(_txtPassword.Text));
data.Add("firstname", _txtFirstName.Text);
data.Add("lastname", _txtLastName.Text);
data.Add("class", _txtClass.Text);
string reply = WebFunctions.Request(data);
ResponseManager.DismissLoading();
if (reply != "Account created!")
{
ResponseManager.ShowMessage("Error", reply);
WebFunctions.ClearCookies();
return;
}
RunOnUiThread(delegate {
var dialogFragment = new DialogFragment();
dialogFragment.InitializeOk(reply, "Success", delegate {
Intent resultData = new Intent();
resultData.PutExtra("email", _txtEmail.Text);
resultData.PutExtra("password", _txtPassword.Text);
SetResult(Result.Ok, resultData);
Finish();
});
dialogFragment.Show();
});
}
private void ShowCodeAlreadyScannedDialog()
{
ScannedCode code = ScannedCodesCollection.GetFullCodeFromCode(_qrCode);
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.AppendLine(string.Format("Code has already been graded at {0} with {1}!", code.Subject, code.Grade));
stringBuilder.Append("Do you want to delete the old grade and save a new one?");
var dialogFragment = new DialogFragment();
dialogFragment.InitializeYesNo(stringBuilder.ToString(), "Question", delegate {
ScannedCodesCollection.DeleteCode(code);
_codeAlreadyUsed = false;
}, delegate {
Finish();
});
dialogFragment.Show();
}