1 files changed, 6 insertions, 0 deletions
diff --git a/platform/android/src/java_types.hpp b/platform/android/src/java_types.hpp
index edec5cb550..c7c93ce71b 100644
--- a/platform/android/src/java_types.hpp
+++ b/platform/android/src/java_types.hpp
@@ -29,6 +29,12 @@ namespace java {
     struct Map {
         static jni::jclass* jclass;
         static jni::jmethodID* getMethodId;
+        static jni::jmethodID* keySetMethodId;
+    };
+
+    struct Set {
+        static jni::jclass* jclass;
+        static jni::jmethodID* toArrayMethodId;
     };
 
     void registerNatives(JNIEnv&);