platform/android/MapboxGLAndroidSDKTestApp/src/main/java/com/mapbox/mapboxsdk/testapp/activity/maplayout/SimpleMapActivity.java


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package com.mapbox.mapboxsdk.testapp.activity.maplayout;

import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.view.MenuItem;
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.Style;
import com.mapbox.mapboxsdk.style.layers.SymbolLayer;
import com.mapbox.mapboxsdk.style.sources.GeoJsonSource;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.mapboxsdk.testapp.utils.NavUtils;
import com.mapbox.mapboxsdk.utils.BitmapUtils;

import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconAllowOverlap;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconIgnorePlacement;
import static com.mapbox.mapboxsdk.style.layers.PropertyFactory.iconImage;

/**
 * Test activity showcasing a simple MapView without any MapboxMap interaction.
 */
public class SimpleMapActivity extends AppCompatActivity {

  private MapView mapView;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_map_simple);
    mapView = findViewById(R.id.mapView);
    mapView.onCreate(savedInstanceState);
    mapView.getMapAsync(mapboxMap -> {
      this.mapboxMap = mapboxMap;
      GeoJsonSource geoJsonSource = new GeoJsonSource("ID");
      geoJsonSource.setUrl("asset://points.geojson");

      SymbolLayer symbolLayer = new SymbolLayer("ID", "ID");
      symbolLayer.setProperties(iconImage("test"), iconAllowOverlap(true), iconIgnorePlacement(true));

      Bitmap image = BitmapUtils.getBitmapFromDrawable(getResources().getDrawable(R.drawable.ic_add_white));

      mapboxMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(38.901057, -77.036207), 12));
      mapboxMap.setStyle(
        new Style.Builder()
          .withSource(geoJsonSource)
          .withLayer(symbolLayer)
          .withImage("test", image)
      );
    });
  }

  @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 onLowMemory() {
    super.onLowMemory();
    mapView.onLowMemory();
  }

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

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

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch (item.getItemId()) {
      case android.R.id.home:
        // activity uses singleInstance for testing purposes
        // code below provides a default navigation when using the app
        onBackPressed();
        return true;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  public void onBackPressed() {
    // activity uses singleInstance for testing purposes
    // code below provides a default navigation when using the app
    NavUtils.navigateHome(this);
  }
}