From dceba083117f32721bd36dc31eec7f9b5aeebce1 Mon Sep 17 00:00:00 2001
From: Kevin Li <kevin.li@mapbox.com>
Date: Wed, 1 Apr 2020 18:09:15 +0800
Subject: [PATCH] Fix Expression can't convert `within` json error (#305)

---
 .../com/mapbox/mapboxsdk/style/expressions/Expression.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java b/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java
index 9cc9554ca..f27a4f738 100644
--- a/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java
+++ b/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/expressions/Expression.java
@@ -4746,7 +4746,9 @@ public class Expression {
 
       final String operator = jsonArray.get(0).getAsString();
       final List<Expression> arguments = new ArrayList<>();
-
+      if (operator.equals("within")) {
+        return within(Polygon.fromJson(jsonArray.get(1).toString()));
+      }
       for (int i = 1; i < jsonArray.size(); i++) {
         JsonElement jsonElement = jsonArray.get(i);
         if (operator.equals("literal") && jsonElement instanceof JsonArray) {