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path: root/platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/style/CircleLayerActivity.java
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package com.mapbox.mapboxsdk.testapp.activity.style;

import android.graphics.Color;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.design.widget.FloatingActionButton;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;

import timber.log.Timber;

import android.view.MenuItem;
import android.view.View;

import com.mapbox.mapboxsdk.camera.CameraPosition;
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.LineLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.testapp.R;

import java.net.MalformedURLException;
import java.net.URL;

import static com.mapbox.mapboxsdk.style.layers.Filter.in;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleColor;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.circleRadius;

public class CircleLayerActivity extends AppCompatActivity {

  private static final String[] STOPS_FOR_ROUTE = new String[] {"99009", "99131", "99049", "99039", "99029", "99019",
    "98079", "98069", "97099", "97089", "97079", "97069", "97209", "97059", "97049", "97039", "97019", "96069",
    "96059", "96049", "96099", "96089", "96079", "85079", "85089", "85069", "85059", "85099", "84069", "84059",
    "84049", "84039", "84029", "84019", "83099", "83079", "83059", "83049", "83029", "82069", "82049", "82029",
    "82109", "81069", "81049", "81029", "80089", "80069", "80049", "80039", "80029", "01319", "01219", "01129",
    "01059", "01119", "01019", "04159", "04149", "04229", "04239", "05059", "05049", "05039", "05019", "10589"};

  private MapView mapView;
  private MapboxMap mapboxMap;
  private CircleLayer layer;

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_circle_layer);

    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);

    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
      actionBar.setDisplayHomeAsUpEnabled(true);
      actionBar.setDisplayShowHomeEnabled(true);
    }

    mapView = (MapView) findViewById(R.id.mapView);
    mapView.onCreate(savedInstanceState);
    mapView.getMapAsync(new OnMapReadyCallback() {
      @Override
      public void onMapReady(@NonNull final MapboxMap map) {
        mapboxMap = map;
        try {
          mapboxMap.addSource(new GeoJsonSource("bus_stop",
            new URL("https://raw.githubusercontent.com/cheeaun/busrouter-sg/master/data/2/bus-stops.geojson")));
        } catch (MalformedURLException malformedUrlException) {
          Timber.e("That's not an url... ", malformedUrlException);
        }

        layer = new CircleLayer("stops_layer", "bus_stop");
        layer.setProperties(
          circleColor(Color.parseColor("#FF9800")),
          circleRadius(1.0f)
        );

        mapboxMap.addLayer(layer);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setColorFilter(ContextCompat.getColor(CircleLayerActivity.this, R.color.primary));
        fab.setOnClickListener(new View.OnClickListener() {
          @Override
          public void onClick(View view) {

            // filter out stops for our route
            layer.setFilter(in("number", STOPS_FOR_ROUTE));

            // add route as a line
            try {
              mapboxMap.addSource(new GeoJsonSource("bus_route",
                new URL("https://gist.githubusercontent.com/tobrun/7fbc0fe7e9ffea509f7608cda2601d5d/raw/"
                  + "a4b8cc289020f91fa2e1553524820054395e36f5/line.geojson")));
            } catch (MalformedURLException malformedUrlException) {
              Timber.e("That's not an url... ", malformedUrlException);
            }
            LineLayer lineLayer = new LineLayer("route_layer", "bus_route");
            mapboxMap.addLayer(lineLayer, "stops_layer");

            // move camera to start route
            mapboxMap.animateCamera(CameraUpdateFactory.newCameraPosition(
              new CameraPosition.Builder()
                .target(new LatLng(1.3896777, 103.9874997))
                .bearing(225)
                .tilt(45)
                .zoom(13)
                .build()
            ), 1750);
          }
        });
      }
    });
  }

  @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
  public void onSaveInstanceState(Bundle outState) {
    super.onSaveInstanceState(outState);
    mapView.onSaveInstanceState(outState);
  }

  @Override
  public void onLowMemory() {
    super.onLowMemory();
    mapView.onLowMemory();
  }

  @Override
  public void onDestroy() {
    super.onDestroy();
    mapView.onDestroy();
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case android.R.id.home:
        onBackPressed();
        return true;
      default:
        return super.onOptionsItemSelected(item);
    }
  }
}