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; }
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(); }