Android all done.

lib/screens/purchase.dart

@@ -73,7 +73,7 @@ class PurchaseScreenState<T> extends BaseState<PurchaseScreen> {
     ));
     widgetList.add(getValueWithDescription(StringsLocalization.card(), card));
 
-    if (app != 'crypto') { // FIXME Заменить на crypto
+    if (app != 'crypto') {
       widgetList.add(getValueWithDescription(StringsLocalization.reward(), loyalty));
     }
 
@@ -186,7 +186,7 @@ class PurchaseScreenState<T> extends BaseState<PurchaseScreen> {
         height: buttonHeight,
         child: new FlatButton(
             child: new Text(title, style: new TextStyle(color: textColor)),
-            onPressed: () => Navigator.of(context).pop()),
+            onPressed: () => restartScanner()),
         decoration: new BoxDecoration(
             border: new Border.all(
                 color: Resources.getButtonColor(app), width: 1.0),
@@ -437,4 +437,10 @@ class PurchaseScreenState<T> extends BaseState<PurchaseScreen> {
     print('kifio ' + this.loyalty);
     print('bonus ' + this.bonus);
   }
+
+  restartScanner() {
+    helper.getToken().then((token) {
+      Navigator.of(context).pop(token);
+    });
+  }
 }