Merge branch 'release-boba' into masterupstream/fabian-merge-v4.0.0

# Conflicts:
#	circle.yml
#	include/mbgl/style/expression/let.hpp
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/geometry/LatLngBounds.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapGestureDetector.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapKeyListener.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapView.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapboxMap.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Projection.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/Transform.java
#	platform/android/MapboxGLAndroidSDK/src/test/java/com/mapbox/mapboxsdk/geometry/LatLngBoundsTest.java
#	platform/android/MapboxGLAndroidSDKTestApp/src/main/AndroidManifest.xml
#	platform/android/gradle/dependencies.gradle
#	platform/android/src/example_custom_layer.cpp
#	platform/android/src/geojson/point.cpp
#	platform/darwin/src/NSPredicate+MGLAdditions.mm
#	platform/darwin/test/MGLExpressionTests.mm
#	platform/ios/Mapbox-iOS-SDK-nightly-dynamic.podspec
#	platform/ios/Mapbox-iOS-SDK-symbols.podspec
#	platform/ios/Mapbox-iOS-SDK.podspec
#	platform/ios/app/MBXViewController.m
#	src/mbgl/renderer/layers/render_custom_layer.cpp
#	src/mbgl/style/conversion/filter.cpp
#	src/mbgl/style/expression/interpolate.cpp
#	src/mbgl/style/expression/value.cpp
#	test/style/filter.test.cpp

1 files changed, 23 insertions, 0 deletions

diff --git a/platform/android/src/geojson/multi_polygon.cpp b/platform/android/src/geojson/multi_polygon.cpp
index aadba8c8a6..cc872d4955 100644
--- a/platform/android/src/geojson/multi_polygon.cpp
+++ b/platform/android/src/geojson/multi_polygon.cpp
@@ -1,11 +1,34 @@
 #include "multi_polygon.hpp"
 
 #include "polygon.hpp"
+#include "util.hpp"
 
 namespace mbgl {
 namespace android {
 namespace geojson {
 
+jni::Object<MultiPolygon> MultiPolygon::New(JNIEnv& env, const mbgl::MultiPolygon<double>& multiPolygon) {
+    auto jarray = jni::Array<jni::Object<java::util::List>>::New(env, multiPolygon.size(), java::util::List::javaClass);
+
+    for (size_t i = 0; i < multiPolygon.size(); i++) {
+        auto& geometry = multiPolygon.at(i);
+        auto jPolygon = asPointsListsList(env, geometry);
+        jarray.Set(env, i, jPolygon);
+        jni::DeleteLocalRef(env, jPolygon);
+    }
+
+    // Turn into array list
+    auto jList = java::util::Arrays::asList(env, jarray);
+    jni::DeleteLocalRef(env, jarray);
+
+    // create the MultiPolygon
+    static auto method = javaClass.GetStaticMethod<jni::Object<MultiPolygon> (jni::Object<java::util::List>)>(env, "fromLngLats");
+    auto jMultiPolygon = javaClass.Call(env, method, jList);
+
+    jni::DeleteLocalRef(env, jList);
+    return jMultiPolygon;
+}
+
 mapbox::geojson::multi_polygon MultiPolygon::convert(jni::JNIEnv &env, jni::Object<MultiPolygon> jMultiPolygon) {
     mapbox::geojson::multi_polygon multiPolygon;