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, 7 insertions, 6 deletions

diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/BuildingFillExtrusionActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/BuildingFillExtrusionActivity.java
index 609910892b..97b4fbf6af 100644
--- a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/BuildingFillExtrusionActivity.java
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/BuildingFillExtrusionActivity.java
@@ -8,8 +8,7 @@ import android.view.MenuItem;
 
 import com.mapbox.mapboxsdk.maps.MapView;
 import com.mapbox.mapboxsdk.maps.MapboxMap;
-import com.mapbox.mapboxsdk.style.functions.Function;
-import com.mapbox.mapboxsdk.style.functions.stops.IdentityStops;
+import com.mapbox.mapboxsdk.style.expressions.Expression;
 import com.mapbox.mapboxsdk.style.layers.FillExtrusionLayer;
 import com.mapbox.mapboxsdk.style.layers.Property;
 import com.mapbox.mapboxsdk.style.layers.PropertyFactory;
@@ -17,7 +16,9 @@ import com.mapbox.mapboxsdk.style.light.Light;
 import com.mapbox.mapboxsdk.style.light.Position;
 import com.mapbox.mapboxsdk.testapp.R;
 
-import static com.mapbox.mapboxsdk.style.layers.Filter.eq;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.eq;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.get;
+import static com.mapbox.mapboxsdk.style.expressions.Expression.literal;
 import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionBase;
 import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionColor;
 import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionHeight;
@@ -53,12 +54,12 @@ public class BuildingFillExtrusionActivity extends AppCompatActivity {
   private void setupBuildings() {
     FillExtrusionLayer fillExtrusionLayer = new FillExtrusionLayer("3d-buildings", "composite");
     fillExtrusionLayer.setSourceLayer("building");
-    fillExtrusionLayer.setFilter(eq("extrude", "true"));
+    fillExtrusionLayer.setFilter(eq(get("extrude"), literal("true")));
     fillExtrusionLayer.setMinZoom(15);
     fillExtrusionLayer.setProperties(
       fillExtrusionColor(Color.LTGRAY),
-      fillExtrusionHeight(Function.property("height", new IdentityStops<Float>())),
-      fillExtrusionBase(Function.property("min_height", new IdentityStops<Float>())),
+      fillExtrusionHeight(Expression.get("height")),
+      fillExtrusionBase(Expression.get("min_height")),
       fillExtrusionOpacity(0.9f)
     );
     mapboxMap.addLayer(fillExtrusionLayer);