fix crash on standalone payment credentials list view

Author: ajungg

CHANGELOG.md

@@ -1,6 +1,11 @@
 # Changelog  
 All notable changes to this project will be documented in this file.
 
+## [0.39.13]
+
+### Fixed
+- Fixed crash when using standalone PaymentCredentialsListView
+
 ## [0.39.12]
 
 ### Added

ui/src/main/java/io/snabble/sdk/ui/payment/PaymentCredentialsListView.java

@@ -29,6 +29,7 @@
 import io.snabble.sdk.payment.PaymentCredentials;
 import io.snabble.sdk.payment.PaymentCredentialsStore;
 import io.snabble.sdk.ui.R;
+import io.snabble.sdk.ui.SnabbleUI;
 import io.snabble.sdk.ui.telemetry.Telemetry;
 import io.snabble.sdk.ui.utils.KeyguardUtils;
 import io.snabble.sdk.ui.utils.OneShotClickListener;
@@ -84,7 +85,13 @@ public void click() {
                     if (activity instanceof FragmentActivity) {
                         SelectPaymentMethodFragment dialogFragment = new SelectPaymentMethodFragment();
                         Bundle bundle = new Bundle();
-                        bundle.putString(SelectPaymentMethodFragment.ARG_PROJECT_ID, project.getId());
+
+                        Project p = project;
+                        if (p == null) {
+                            p = SnabbleUI.getProject();
+                        }
+
+                        bundle.putString(SelectPaymentMethodFragment.ARG_PROJECT_ID, p.getId());
                         ArrayList<PaymentMethod> types;
                         if (PaymentCredentialsListView.this.types == null) {
                             types = new ArrayList<>(Arrays.asList(PaymentMethod.values()));