Add test demo for filter with expression in

MapboxGLAndroidSDKTestApp/src/main/assets/fill_color_style.json

@@ -0,0 +1,95 @@
+{
+    "version": 8,
+    "zoom": 10,
+    "center": [0, 0],
+    "sources": {
+        "quadrants": {
+            "type": "geojson",
+            "data": {
+                "type": "FeatureCollection",
+                "features": [
+                    {
+                        "type": "Feature",
+                        "properties": {
+                            "name": "ABC",
+                            "color": "red"
+                        },
+                        "geometry": {
+                            "type": "Polygon",
+                            "coordinates": [[
+                                [-180, -90],
+                                [-180, 0],
+                                [0, 0],
+                                [0, -90],
+                                [-180, -90]
+                            ]]
+                        }
+                    },
+                    {
+                        "type": "Feature",
+                        "properties": {
+                            "name": "DEF",
+                            "color": "#00ff00"
+                        },
+                        "geometry": {
+                            "type": "Polygon",
+                            "coordinates": [[
+                                [-180, 90],
+                                [-180, 0],
+                                [0, 0],
+                                [0, 90],
+                                [-180, 90]
+                            ]]
+                        }
+                    },
+                    {
+                        "type": "Feature",
+                        "properties": {
+                            "name": "GHI",
+                            "color": "#0000ff"
+                        },
+                        "geometry": {
+                            "type": "Polygon",
+                            "coordinates": [[
+                                [180, -90],
+                                [180, 0],
+                                [0, 0],
+                                [0, -90],
+                                [180, -90]
+                            ]]
+                        }
+                    },
+                    {
+                        "type": "Feature",
+                        "properties": {
+                            "name": "GHI",
+                            "color": "#ffff00"
+                        },
+                        "geometry": {
+                            "type": "Polygon",
+                            "coordinates": [[
+                                [180, 90],
+                                [180, 0],
+                                [0, 0],
+                                [0, 90],
+                                [180, 90]
+                            ]]
+                        }
+                    }
+                ]
+            }
+        }
+    },
+    "glyphs": "local://glyphs/{fontstack}/{range}.pbf",
+    "layers": [
+        {
+            "id": "colors",
+            "type": "fill",
+            "source": "quadrants",
+            "filter": ["in", "#", ["get", "color"]],
+            "paint": {
+                "fill-color": ["get", "color"]
+            }
+        }
+    ]
+}

MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/RuntimeStyleActivity.java

@@ -118,7 +118,6 @@ protected void onCreate(Bundle savedInstanceState) {
 
       // Center and Zoom (Amsterdam, zoomed to streets)
       mapboxMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(52.379189, 4.899431), 1));
-
       mapboxMap.setStyle(
         new Style.Builder()
           .fromUri(Style.MAPBOX_STREETS)
@@ -243,6 +242,9 @@ public boolean onOptionsItemSelected(MenuItem item) {
       case R.id.action_bring_water_to_front:
         bringWaterToFront();
         return true;
+      case R.id.action_fill_filter_color:
+        styleFillColorLayer();
+        return true;
       default:
         return super.onOptionsItemSelected(item);
     }
@@ -532,6 +534,11 @@ private void addCustomTileSource() {
     mapboxMap.getStyle().addLayer(lineLayer);
   }
 
+  private void styleFillColorLayer() {
+    mapboxMap.setStyle(new Style.Builder().fromUri("asset://fill_color_style.json"));
+    mapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(31, -100), 3));
+  }
+
   private void styleFillFilterLayer() {
     mapboxMap.setStyle(new Style.Builder().fromUri("asset://fill_filter_style.json"));
     mapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(31, -100), 3));

MapboxGLAndroidSDKTestApp/src/main/res/menu/menu_runtime_style.xml

@@ -58,6 +58,10 @@
         android:id="@+id/action_fill_filter"
         android:title="@string/apply_filtered_fill"
         mapbox:showAsAction="never" />
+    <item
+        android:id="@+id/action_fill_filter_color"
+        android:title="@string/apply_filtered_fill_color"
+        mapbox:showAsAction="never" />
     <item
         android:id="@+id/action_textsize_filter"
         android:title="@string/apply_textsize_fill"
@@ -74,4 +78,5 @@
         android:id="@+id/action_bring_water_to_front"
         android:title="@string/bring_water_to_front"
         mapbox:showAsAction="never" />
+
 </menu>

MapboxGLAndroidSDKTestApp/src/main/res/values/actions.xml

@@ -77,6 +77,7 @@
     <string name="change_the_water_color_on_zoom">Change the water color on zoom</string>
     <string name="custom_tiles">Custom tiles</string>
     <string name="apply_filtered_fill">Apply filtered fill</string>
+    <string name="apply_filtered_fill_color">Apply filtered fill color</string>
     <string name="apply_textsize_fill">Apply text size fill</string>
     <string name="apply_filtered_line">Apply filtered line</string>
     <string name="apply_numeric_fill_filter">Apply numeric fill filter</string>