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package com.mapbox.mapboxsdk.testapp.activity.feature;
import android.graphics.Color;
import android.graphics.RectF;
import android.os.Bundle;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.MenuItem;
import android.view.View;
import android.widget.Toast;
import com.mapbox.mapboxsdk.annotations.Marker;
import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapView;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.style.layers.FillLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.services.commons.geojson.Feature;
import com.mapbox.services.commons.geojson.FeatureCollection;
import java.util.List;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillColor;
/**
* Demo's query rendered features
*/
public class QueryRenderedFeaturesBoxHighlightActivity extends AppCompatActivity {
private static final String TAG = QueryRenderedFeaturesBoxHighlightActivity.class.getSimpleName();
public MapView mapView;
private MapboxMap mapboxMap;
private Marker marker;
@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) {
QueryRenderedFeaturesBoxHighlightActivity.this.mapboxMap = mapboxMap;
//Add a fill layer to display stuff on
selectionBox.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//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());
Log.i(TAG, String.format("Querying box %s for buildings", box));
List<Feature> features = mapboxMap.queryRenderedFeatures(box, "building");
//Show count
Toast.makeText(QueryRenderedFeaturesBoxHighlightActivity.this, String.format("%s features in box", features.size()), Toast.LENGTH_SHORT).show();
//remove layer / source if already added
try {
mapboxMap.removeSource("highlighted-shapes-source");
mapboxMap.removeLayer("highlighted-shapes-layer");
} catch (Exception e) {
//that's ok
}
//Add layer / source
mapboxMap.addSource(new GeoJsonSource("highlighted-shapes-source", FeatureCollection.fromFeatures(features)));
mapboxMap.addLayer(new FillLayer("highlighted-shapes-layer", "highlighted-shapes-source").withProperties(fillColor(Color.RED)));
}
});
//Little taste of home
mapboxMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(52.0907, 5.1214), 16));
}
});
}
public MapboxMap getMapboxMap() {
return mapboxMap;
}
@Override
public void onResume() {
super.onResume();
mapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mapView.onPause();
}
@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);
}
}
}
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