diff --git a/core/jni/android_emoji_EmojiFactory.cpp b/core/jni/android_emoji_EmojiFactory.cpp
index a658561b059fb..43839972227d3 100644
--- a/core/jni/android_emoji_EmojiFactory.cpp
+++ b/core/jni/android_emoji_EmojiFactory.cpp
@@ -3,8 +3,7 @@
 
 #define LOG_TAG "EmojiFactory_jni"
 #include <utils/Log.h>
-#include <utils/String8.h>
-#include <utils/String16.h>
+#include <ScopedUtfChars.h>
 
 #include "EmojiFactory.h"
 #include <nativehelper/JNIHelp.h>
@@ -125,16 +124,13 @@ static jobject android_emoji_EmojiFactory_newInstance(
     return NULL;
   }
 
-  const jchar* jchars = env->GetStringChars(name, NULL);
-  jsize len = env->GetStringLength(name);
-  String8 str(String16(jchars, len));
+  ScopedUtfChars nameUtf(env, name);
 
-  EmojiFactory *factory = gCaller->TryCallGetImplementation(str.string());
+  EmojiFactory *factory = gCaller->TryCallGetImplementation(nameUtf.c_str());
   // EmojiFactory *factory = EmojiFactory::GetImplementation(str.string());
   if (NULL == factory) {
     return NULL;
   }
-  env->ReleaseStringChars(name, jchars);
 
   return create_java_EmojiFactory(env, factory, name);
 }
@@ -151,8 +147,8 @@ static jobject android_emoji_EmojiFactory_newAvailableInstance(
   if (NULL == factory) {
     return NULL;
   }
-  String16 name_16(String8(factory->Name()));
-  jstring jname = env->NewString(name_16.string(), name_16.size());
+
+  jstring jname = env->NewStringUTF(factory->Name());
   if (NULL == jname) {
     return NULL;
   }