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package com.mapbox.mapboxsdk.testapp.activity.style;
import android.graphics.Color;
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.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Toast;
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.CircleLayer;
import com.mapbox.mapboxsdk.style.layers.FillLayer;
import com.mapbox.mapboxsdk.style.layers.Function;
import com.mapbox.mapboxsdk.style.layers.Layer;
import com.mapbox.mapboxsdk.style.layers.LineLayer;
import com.mapbox.mapboxsdk.style.layers.NoSuchLayerException;
import com.mapbox.mapboxsdk.style.layers.Property;
import com.mapbox.mapboxsdk.style.layers.PropertyValue;
import com.mapbox.mapboxsdk.style.layers.RasterLayer;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.style.sources.RasterSource;
import com.mapbox.mapboxsdk.style.sources.Source;
import com.mapbox.mapboxsdk.style.sources.TileSet;
import com.mapbox.mapboxsdk.style.sources.VectorSource;
import com.mapbox.mapboxsdk.testapp.R;
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.net.MalformedURLException;
import java.net.URL;
import static com.mapbox.mapboxsdk.style.layers.Filter.all;
import static com.mapbox.mapboxsdk.style.layers.Filter.eq;
import static com.mapbox.mapboxsdk.style.layers.Filter.gte;
import static com.mapbox.mapboxsdk.style.layers.Filter.lt;
import static com.mapbox.mapboxsdk.style.layers.Function.Stop;
import static com.mapbox.mapboxsdk.style.layers.Function.stop;
import static com.mapbox.mapboxsdk.style.layers.Function.zoom;
import static com.mapbox.mapboxsdk.style.layers.Property.FILL_TRANSLATE_ANCHOR_MAP;
import static com.mapbox.mapboxsdk.style.layers.Property.NONE;
import static com.mapbox.mapboxsdk.style.layers.Property.SYMBOL_PLACEMENT_POINT;
import static com.mapbox.mapboxsdk.style.layers.Property.VISIBLE;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.backgroundOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillAntialias;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillOpacity;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillOutlineColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.fillTranslateAnchor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineCap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineJoin;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.lineWidth;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.symbolPlacement;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textField;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.textSize;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.visibility;
/**
* Sample Activity to show off geojson source clustering and filter usage
*/
public class GeoJsonClusteringActivity extends AppCompatActivity {
private static final String TAG = GeoJsonClusteringActivity.class.getSimpleName();
private MapView mapView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_geojson_clustering);
setupActionBar();
//Initialize map as normal
mapView = (MapView) findViewById(R.id.mapView);
//noinspection ConstantConditions
mapView.onCreate(savedInstanceState);
mapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(MapboxMap mapboxMap) {
mapboxMap.animateCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(37.7749, 122.4194), 0));
//Add a clustered source with some layers
addClusteredGeoJsonSource(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();
}
private void addClusteredGeoJsonSource(MapboxMap mapboxMap) {
//Add a clustered source
try {
mapboxMap.addSource(
new GeoJsonSource("earthquakes", new URL("https://www.mapbox.com/mapbox-gl-js/assets/earthquakes.geojson"))
.withCluster(true)
.withClusterMaxZoom(14)
.withClusterRadius(50)
);
} catch (MalformedURLException e) {
Log.e(TAG, "That's not an url... " + e.getMessage());
}
//Add unclustered layer
int[][] layers = new int[][]{
new int[]{150, Color.RED},
new int[]{20, Color.GREEN},
new int[]{0, Color.BLUE}
};
SymbolLayer unclustered = new SymbolLayer("unclustered-points", "earthquakes");
unclustered.setProperties(iconImage("marker-15"));
mapboxMap.addLayer(unclustered);
for (int i = 0; i < layers.length; i++) {
//Add some nice circles
CircleLayer circles = new CircleLayer("cluster-" + i, "earthquakes");
circles.setProperties(
circleColor(layers[i][1]),
circleRadius(18f)
);
circles.setFilter(
i == 0 ?
gte("point_count", layers[i][0]) :
all(gte("point_count", layers[i][0]), lt("point_count", layers[i - 1][0]))
);
mapboxMap.addLayer(circles);
}
//Add the count labels
SymbolLayer count = new SymbolLayer("count", "earthquakes");
count.setProperties(
textField("{point_count}"),
textSize(12f)
);
mapboxMap.addLayer(count);
//Zoom out to start
mapboxMap.animateCamera(CameraUpdateFactory.zoomTo(1));
}
private void setupActionBar() {
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setDisplayShowHomeEnabled(true);
}
}
}
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