unified screen basket part7

@@ -17,6 +17,7 @@ import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.TextView;
 
+import androidx.appcompat.app.AlertDialog;
 import androidx.constraintlayout.widget.ConstraintLayout;
 import androidx.core.content.ContextCompat;
 import androidx.core.text.HtmlCompat;
@@ -73,6 +74,7 @@ public class CouponInfoActivity extends Activity implements View.OnClickListener
     private boolean mIsBarcodeShown = false, mIsTermsShown = false, mIsFromWallet = false,
             mShopsPressed = false, mGiftPressed = false, mEshopPressed = false, mIsUnified = false,
             mIsActiveUnified = false, mIsFindItPressed = false;
+    private AlertDialog mErrorAlertDialog;
 
     // ===========================================================
     // Methods for/from SuperClass/Interfaces
@@ -303,10 +305,14 @@ public class CouponInfoActivity extends Activity implements View.OnClickListener
                         JSONArray shopAvailability = new JSONArray(extraFields.optString("shop_availability"));
                         if (shopAvailability.length() > 0) {
                             showChooseMerchantDialog(shopAvailability);
+                        } else {
+                            errorDialog();
                         }
                     } catch (JSONException e) {
                         e.printStackTrace();
                     }
+                } else {
+                    errorDialog();
                 }
             }
         }
@@ -580,6 +586,18 @@ public class CouponInfoActivity extends Activity implements View.OnClickListener
         }
     }
 
+    private void errorDialog() {
+        if (!isFinishing()) {
+            mErrorAlertDialog = new AlertDialog.Builder(this)
+                    .setTitle(R.string.cos_dlg_error_supermarket)
+                    .setPositiveButton(R.string.cos_dlg_positive_button2, (dialogPositive, whichPositive) -> {
+                        dialogPositive.dismiss();
+                    })
+                    .setCancelable(false)
+                    .show();
+        }
+    }
+
     // ===========================================================
     // Inner and Anonymous Classes
     // ===========================================================

@@ -107,6 +107,7 @@
     <string name="cos_dlg_positive_button">Ενεργοποίηση</string>
     <string name="cos_dlg_negative_button">Απόρριψη</string>
     <string name="cos_dlg_positive_button2">ΟΚ</string>
+    <string name="cos_dlg_error_supermarket">Δεν υπάρχουν διαθέσιμα supermarkets</string>
     <string name="cos_dlg_positive_button4">Δες το κουπόνι</string>
     <string name="cos_dlg_positive_button_text">Το δώρο σου ενεργοποιήθηκε επιτυχώς στο My Rewards!</string>
     <string name="cos_dlg_positive_button_text2">Το δώρο σου ενεργοποιήθηκε επιτυχώς στο καλάθι του SUPERMARKET DEALS!</string>