1 files changed, 186 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/feature/QueryRenderedFeaturesBoxSymbolCountActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/feature/QueryRenderedFeaturesBoxSymbolCountActivity.java
new file mode 100644
index 0000000000..4b7bbb9614
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/feature/QueryRenderedFeaturesBoxSymbolCountActivity.java
@@ -0,0 +1,186 @@
+package com.mapbox.mapboxsdk.testapp.activity.feature;
+
+import android.graphics.BitmapFactory;
+import android.graphics.RectF;
+import android.os.Bundle;
+import android.support.annotation.RawRes;
+import android.support.v7.app.ActionBar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.Toast;
+
+import com.mapbox.mapboxsdk.maps.MapView;
+import com.mapbox.mapboxsdk.maps.MapboxMap;
+import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
+import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
+import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
+import com.mapbox.mapboxsdk.testapp.R;
+import com.mapbox.services.commons.geojson.Feature;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.List;
+
+import timber.log.Timber;
+
+import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
+
+/**
+ * Demo's query rendered features on Symbols
+ */
+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);
+    setupActionBar();
+
+    final View selectionBox = findViewById(R.id.selection_box);
+
+    //Initialize map as normal
+    mapView = (MapView) findViewById(R.id.mapView);
+    mapView.onCreate(savedInstanceState);
+    mapView.getMapAsync(new OnMapReadyCallback() {
+      @SuppressWarnings("ConstantConditions")
+      @Override
+      public void onMapReady(final MapboxMap mapboxMap) {
+        QueryRenderedFeaturesBoxSymbolCountActivity.this.mapboxMap = mapboxMap;
+
+        //Add a symbol layer (also works with annotations)
+        try {
+          mapboxMap.addSource(new GeoJsonSource("symbols-source", readRawResource(R.raw.test_points_utrecht)));
+        } catch (IOException ioException) {
+          Timber.e("Could not load geojson: " + ioException.getMessage());
+          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(new View.OnClickListener() {
+          @Override
+          public void onClick(View 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(String.format("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();
+          }
+        });
+      }
+    });
+  }
+
+  private String readRawResource(@RawRes int rawResource) throws IOException {
+    InputStream is = getResources().openRawResource(rawResource);
+    Writer writer = new StringWriter();
+    char[] buffer = new char[1024];
+    try {
+      Reader reader = new BufferedReader(new InputStreamReader(is, "UTF-8"));
+      int numRead;
+      while ((numRead = reader.read(buffer)) != -1) {
+        writer.write(buffer, 0, numRead);
+      }
+    } finally {
+      is.close();
+    }
+
+    return writer.toString();
+  }
+
+  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();
+  }
+
+  @Override
+  public boolean onOptionsItemSelected(MenuItem item) {
+    switch (item.getItemId()) {
+      case android.R.id.home:
+        onBackPressed();
+        return true;
+      default:
+        return super.onOptionsItemSelected(item);
+    }
+  }
+
+  private void setupActionBar() {
+    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
+    setSupportActionBar(toolbar);
+
+    final ActionBar actionBar = getSupportActionBar();
+    if (actionBar != null) {
+      actionBar.setDisplayHomeAsUpEnabled(true);
+      actionBar.setDisplayShowHomeEnabled(true);
+    }
+  }
+
+}