attempting to put one annotation on the map - gets to the native call and then nothing happens

1 files changed, 22 insertions, 0 deletions

diff --git a/android/cpp/jni.cpp b/android/cpp/jni.cpp
index 64e72e1499..bfa07a2ffb 100644
--- a/android/cpp/jni.cpp
+++ b/android/cpp/jni.cpp
@@ -419,6 +419,26 @@ void JNICALL nativeSetLatLng(JNIEnv *env, jobject obj, jlong nativeMapViewPtr, j
     nativeMapView->getMap().setLatLng(mbgl::LatLng(latitude, longitude), std::chrono::milliseconds(duration));
 }
 
+void JNICALL nativeAddAnnotation(JNIEnv *env, jobject obj, jlong nativeMapViewPtr, jobject latLng) {
+    mbgl::Log::Debug(mbgl::Event::JNI, "nativeAddAnnotation");
+    assert(nativeMapViewPtr != 0);
+    NativeMapView *nativeMapView = reinterpret_cast<NativeMapView *>(nativeMapViewPtr);
+
+    jdouble latitude = env->GetDoubleField(latLng, latLngLatitudeId);
+    if (env->ExceptionCheck()) {
+        env->ExceptionDescribe();
+        return;
+    }
+
+    jdouble longitude = env->GetDoubleField(latLng, latLngLongitudeId);
+    if (env->ExceptionCheck()) {
+        env->ExceptionDescribe();
+        return;
+    }
+
+    nativeMapView->getMap().addPointAnnotation(mbgl::LatLng(latitude, longitude), std::string(""));
+}
+
 jobject JNICALL nativeGetLatLng(JNIEnv *env, jobject obj, jlong nativeMapViewPtr) {
     mbgl::Log::Debug(mbgl::Event::JNI, "nativeGetLatLng");
     assert(nativeMapViewPtr != 0);
@@ -952,6 +972,8 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *reserved) {
         {"nativeMoveBy", "(JDDJ)V", reinterpret_cast<void *>(&nativeMoveBy)},
         {"nativeSetLatLng", "(JLcom/mapbox/mapboxgl/geometry/LatLng;J)V",
          reinterpret_cast<void *>(&nativeSetLatLng)},
+        {"nativeAddAnnotation", "(JLcom/mapbox/mapboxgl/geometry/LatLng;)V",
+         reinterpret_cast<void *>(&nativeAddAnnotation)},
         {"nativeGetLatLng", "(J)Lcom/mapbox/mapboxgl/geometry/LatLng;",
          reinterpret_cast<void *>(&nativeGetLatLng)},
         {"nativeResetPosition", "(J)V", reinterpret_cast<void *>(&nativeResetPosition)},