1 files changed, 4 insertions, 0 deletions
diff --git a/platform/android/src/attach_env.cpp b/platform/android/src/attach_env.cpp
index 6da075ee3e..0dc8069284 100644
--- a/platform/android/src/attach_env.cpp
+++ b/platform/android/src/attach_env.cpp
@@ -1,3 +1,5 @@
+#include <android/log.h>
+#include <mbgl/util/platform.hpp>
 #include "attach_env.hpp"
 #include "jni.hpp"
 
@@ -10,8 +12,10 @@ UniqueEnv AttachEnv() {
 
     switch (err) {
     case JNI_OK:
+        __android_log_write(ANDROID_LOG_ERROR, "JNI_THREAD", ("is attached: " + mbgl::platform::getCurrentThreadName()).c_str());
         return UniqueEnv(env, JNIEnvDeleter(*theJVM, false));
     case JNI_EDETACHED:
+        __android_log_write(ANDROID_LOG_ERROR, "JNI_THREAD", ("is detached: " + mbgl::platform::getCurrentThreadName()).c_str());
         return UniqueEnv(jni::AttachCurrentThread(*theJVM).release(), JNIEnvDeleter(*theJVM, true));
     default:
         throw std::system_error(err,  jni::ErrorCategory());