From 61cfcdb33b75a9e3d0581edf1bd3adee82b78adf Mon Sep 17 00:00:00 2001
From: Nicholas Hallahan <nick@theoutpost.io>
Date: Thu, 16 Jul 2015 07:50:30 -0700
Subject: [PATCH] turning list into array #1716

---
 android/cpp/jni.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/android/cpp/jni.cpp b/android/cpp/jni.cpp
index bb815fefd..0b5344178 100644
--- a/android/cpp/jni.cpp
+++ b/android/cpp/jni.cpp
@@ -511,6 +511,19 @@ jlong JNICALL nativeAddPolyline(JNIEnv *env, jobject obj, jlong nativeMapViewPtr
         return -1;
     }
 
+    jobjectArray array =
+        reinterpret_cast<jobjectArray>(env->CallObjectMethod(points, listToArrayId));
+    if (env->ExceptionCheck() || (array == nullptr)) {
+        env->ExceptionDescribe();
+        return -1;
+    }
+
+    jsize len = env->GetArrayLength(array);
+    if (len < 0) {
+        env->ExceptionDescribe();
+        return -1;
+    }
+
     return (jlong)width;
 }