back action removed gfor webview

app/src/main/java/ch/pizzaleu/android/activity/CreateOrderActivity.java

@@ -252,6 +252,7 @@ public class CreateOrderActivity extends BaseActivity {
         }
     }
 
+    /*
     @Override
     public void onBackPressed() {
         if(paymentWebView.getVisibility() == View.VISIBLE){
@@ -266,6 +267,7 @@ public class CreateOrderActivity extends BaseActivity {
             super.onBackPressed();
         }
     }
+    */
 
     public void setOrderNote(String orderNote){
         this.orderNote = orderNote;

app/src/main/java/ch/pizzaleu/android/fragment/createOrder/CreateOrderSummaryFragment.java

@@ -1103,6 +1103,8 @@ public class CreateOrderSummaryFragment extends CreateOrderBaseFragment {
     private void showPaymentWebView(int orderId){
         createOrderActivity.setPaymentWebViewVisibility(true);
         final WebView paymentWebView = createOrderActivity.getPaymentWebView();
+        paymentWebView.loadUrl("about:blank");
+        paymentWebView.clearHistory();
         paymentWebView.setVisibility(View.VISIBLE);
         paymentWebView.getSettings().setJavaScriptEnabled(true);
         paymentWebView.setWebViewClient(new WebViewClient(){