1 files changed, 129 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/feature/QueryRenderedFeaturesBoxSymbolCountActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/feature/QueryRenderedFeaturesBoxSymbolCountActivity.java
new file mode 100644
index 0000000000..efef5cc39e
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/maps/activity/feature/QueryRenderedFeaturesBoxSymbolCountActivity.java
@@ -0,0 +1,129 @@
+package com.mapbox.mapboxsdk.maps.activity.feature;
+
+import android.graphics.BitmapFactory;
+import android.graphics.RectF;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Toast;
+
+import com.mapbox.geojson.Feature;
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
+import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
+import com.mapbox.mapboxsdk.testapp.R;
+import com.mapbox.mapboxsdk.maps.utils.ResourceUtils;
+
+import java.io.IOException;
+import java.util.List;
+
+import timber.log.Timber;
+
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
+
+/**
+ * Test activity showcasing using the query rendered features API to count Symbols in a rectangle.
+ */
+public class QueryRenderedFeaturesBoxSymbolCountActivity extends AppCompatActivity {
+
+  public MapView mapView;
+  private MapboxMap mapboxMap;
+
+  private Toast toast;
+
+  @Override
+  protected void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    setContentView(R.layout.activity_query_features_box);
+
+    final View selectionBox = findViewById(R.id.selection_box);
+
+    // Initialize map as normal
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(mapboxMap -> {
+      QueryRenderedFeaturesBoxSymbolCountActivity.this.mapboxMap = mapboxMap;
+
+      // Add a symbol layer (also works with annotations)
+      try {
+        mapboxMap.addSource(new GeoJsonSource("symbols-source", ResourceUtils.readRawResource(
+          QueryRenderedFeaturesBoxSymbolCountActivity.this, R.raw.test_points_utrecht)));
+      } catch (IOException ioException) {
+        Timber.e(ioException, "Could not load geojson");
+        return;
+      }
+      mapboxMap.addImage(
+        "test-icon",
+        BitmapFactory.decodeResource(getResources(),
+          R.drawable.mapbox_marker_icon_default)
+      );
+      mapboxMap.addLayer(new SymbolLayer("symbols-layer", "symbols-source").withProperties(iconImage("test-icon")));
+
+      selectionBox.setOnClickListener(view -> {
+        // Query
+        int top = selectionBox.getTop() - mapView.getTop();
+        int left = selectionBox.getLeft() - mapView.getLeft();
+        RectF box = new RectF(left, top, left + selectionBox.getWidth(), top + selectionBox.getHeight());
+        Timber.i("Querying box %s", box);
+        List<Feature> features = mapboxMap.queryRenderedFeatures(box, "symbols-layer");
+
+        // Show count
+        if (toast != null) {
+          toast.cancel();
+        }
+        toast = Toast.makeText(
+          QueryRenderedFeaturesBoxSymbolCountActivity.this,
+          String.format("%s features in box", features.size()),
+          Toast.LENGTH_SHORT);
+        toast.show();
+      });
+    });
+  }
+
+  public MapboxMap getMapboxMap() {
+    return mapboxMap;
+  }
+
+  @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
+  protected void onSaveInstanceState(Bundle outState) {
+    super.onSaveInstanceState(outState);
+    mapView.onSaveInstanceState(outState);
+  }
+
+  @Override
+  protected void onDestroy() {
+    super.onDestroy();
+    mapView.onDestroy();
+  }
+
+  @Override
+  public void onLowMemory() {
+    super.onLowMemory();
+    mapView.onLowMemory();
+  }
+}