modifier could be null

Author: karussell

libandroid-navigation-ui/src/main/java/org/maplibre/navigation/android/navigation/ui/v5/instruction/BannerInstructionModel.java

@@ -38,7 +38,7 @@ String retrievePrimaryManeuverType() {
   }
 
   String retrievePrimaryManeuverModifier() {
-    return primaryBannerText.getModifier().getText();
+    return primaryBannerText.getModifier() == null? "" : primaryBannerText.getModifier().getText();
   }
 
   @Nullable

libandroid-navigation-ui/src/main/java/org/maplibre/navigation/android/navigation/ui/v5/instruction/InstructionView.java

@@ -583,7 +583,7 @@ private boolean newStep(RouteProgress routeProgress) {
   private void updateSubStep(BannerText subText, String primaryManeuverModifier) {
     if (shouldShowSubStep(subText)) {
       String maneuverType = subText.getType().getText();
-      String maneuverModifier = subText.getModifier().getText();
+      String maneuverModifier = subText.getModifier() == null ? "" : subText.getModifier().getText();
       subManeuverView.setManeuverTypeAndModifier(maneuverType, maneuverModifier);
       Double roundaboutAngle = subText.getDegrees();
       if (roundaboutAngle != null) {