diff options
Diffstat (limited to 'platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/GeoJsonClusteringActivity.java')
| -rw-r--r-- | platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/GeoJsonClusteringActivity.java | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/GeoJsonClusteringActivity.java b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/GeoJsonClusteringActivity.java new file mode 100644 index 0000000000..65ccbf4c40 --- /dev/null +++ b/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/GeoJsonClusteringActivity.java @@ -0,0 +1,202 @@ +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); + } + } +} |