Add experimental pointer

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java

@@ -228,6 +228,13 @@ void onUpdateFullyRendered() {
     }
   }
 
+  /**
+   * Experimental feature. Do not use.
+   */
+  long getNativeMapPtr() {
+    return nativeMapView.getNativePtr();
+  }
+
   // Style
 
   /**

platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/NativeMapView.java

@@ -70,7 +70,7 @@ final class NativeMapView implements NativeMap {
 
   // Holds the pointer to JNI NativeMapView
   @Keep
-  long nativePtr = 0;
+  private long nativePtr = 0;
 
   // Listener invoked to return a bitmap of the map
   private MapboxMap.SnapshotReadyCallback snapshotReadyCallback;
@@ -1378,6 +1378,10 @@ int getHeight() {
     return viewCallback.getHeight();
   }
 
+  long getNativePtr() {
+    return nativePtr;
+  }
+
   //
   // Snapshot
   //

platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/maps/MapboxMapTest.kt

@@ -35,6 +35,7 @@ class MapboxMapTest {
         every { nativeMapView.isDestroyed } returns false
         every { nativeMapView.setOnFpsChangedListener(any()) } answers {}
         every { nativeMapView.prefetchTiles = any() } answers {}
+        every { nativeMapView.nativePtr } returns 5
         every { nativeMapView.setLatLngBounds(any()) } answers {}
         every { transform.minZoom = any() } answers {}
         every { transform.maxZoom = any() } answers {}
@@ -102,4 +103,9 @@ class MapboxMapTest {
     fun testEaseCameraChecksDurationPositive() {
         mapboxMap.easeCamera(CameraUpdateFactory.newLatLng(LatLng(30.0, 30.0)), 0, null)
     }
+
+    @Test
+    fun testGetNativeMapPtr() {
+        assertEquals(5, mapboxMap.nativeMapPtr)
+    }
 }