[android] - add 3D buildings example (#8845)

[android] - add support for filter for fillextrusionlayer.

1 files changed, 95 insertions, 0 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
new file mode 100644
index 0000000000..f444aa40f0
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/BuildingFillExtrusionActivity.java
@@ -0,0 +1,95 @@
+package com.mapbox.mapboxsdk.testapp.activity.style;
+
+import android.graphics.Color;
+import android.os.Bundle;
+import android.support.annotation.NonNull;
+import android.support.v7.app.AppCompatActivity;
+
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.style.functions.Function;
+import com.mapbox.mapboxsdk.style.functions.stops.IdentityStops;
+import com.mapbox.mapboxsdk.style.layers.FillExtrusionLayer;
+import com.mapbox.mapboxsdk.testapp.R;
+
+import static com.mapbox.mapboxsdk.style.layers.Filter.eq;
+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;
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillExtrusionOpacity;
+
+/**
+ * Test activity showing 3D buildings with a FillExtrusion Layer
+ */
+public class BuildingFillExtrusionActivity extends AppCompatActivity {
+
+  private MapView mapView;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_building_layer);
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(new OnMapReadyCallback() {
+      @Override
+      public void onMapReady(@NonNull final MapboxMap map) {
+        FillExtrusionLayer fillExtrusionLayer = new FillExtrusionLayer("3d-buildings", "composite");
+        fillExtrusionLayer.setSourceLayer("building");
+        fillExtrusionLayer.setFilter(eq("extrude", "true"));
+        fillExtrusionLayer.setMinZoom(15);
+        fillExtrusionLayer.setProperties(
+          fillExtrusionColor(Color.LTGRAY),
+          fillExtrusionHeight(Function.property("height", new IdentityStops<Float>())),
+          fillExtrusionBase(Function.property("min_height", new IdentityStops<Float>())),
+          fillExtrusionOpacity(0.6f)
+        );
+        map.addLayer(fillExtrusionLayer);
+      }
+    });
+  }
+
+  @Override
+  protected void onStart() {
+    super.onStart();
+    mapView.onStart();
+  }
+
+  @Override
+  protected void onResume() {
+    super.onResume();
+    mapView.onResume();
+  }
+
+  @Override
+  protected void onPause() {
+    super.onPause();
+    mapView.onPause();
+  }
+
+  @Override
+  protected void onStop() {
+    super.onStop();
+    mapView.onStop();
+  }
+
+  @Override
+  public void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+
+  @Override
+  public void onLowMemory() {
+    super.onLowMemory();
+    mapView.onLowMemory();
+  }
+
+  @Override
+  public void onDestroy() {
+    super.onDestroy();
+    mapView.onDestroy();
+  }
+
+}