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package com.mapbox.mapboxsdk.testapp;
import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.annotation.NonNull;
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.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import com.mapbox.mapboxsdk.annotations.MarkerOptions;
import com.mapbox.mapboxsdk.camera.CameraPosition;
import com.mapbox.mapboxsdk.camera.CameraUpdateFactory;
import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.maps.MapboxMap;
import com.mapbox.mapboxsdk.maps.OnMapReadyCallback;
import com.mapbox.mapboxsdk.testapp.utils.GeoParseUtil;
import com.mapbox.mapboxsdk.utils.ApiAccess;
import com.mapbox.mapboxsdk.maps.MapView;
import org.json.JSONException;
import java.io.IOException;
import java.text.DecimalFormat;
import java.util.ArrayList;
import java.util.List;
public class BulkMarkerActivity extends AppCompatActivity implements AdapterView.OnItemSelectedListener {
private MapboxMap mMapboxMap;
private MapView mMapView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_marker_bulk);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
final ActionBar actionBar = getSupportActionBar();
if (actionBar != null) {
actionBar.setDisplayShowTitleEnabled(false);
actionBar.setDisplayHomeAsUpEnabled(true);
actionBar.setDisplayShowHomeEnabled(true);
}
mMapView = (MapView) findViewById(R.id.mapView);
mMapView.setAccessToken(ApiAccess.getToken(this));
mMapView.onCreate(savedInstanceState);
mMapView.getMapAsync(new OnMapReadyCallback() {
@Override
public void onMapReady(@NonNull MapboxMap mapboxMap) {
mMapboxMap = mapboxMap;
mapboxMap.moveCamera(CameraUpdateFactory.newCameraPosition(
new CameraPosition.Builder()
.target(new LatLng(38.87031, -77.00897))
.zoom(10)
.build()
));
ArrayAdapter<CharSequence> spinnerAdapter = ArrayAdapter.createFromResource(actionBar.getThemedContext(), R.array.bulk_marker_list, android.R.layout.simple_spinner_item);
spinnerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
Spinner spinner = (Spinner) findViewById(R.id.spinner);
spinner.setAdapter(spinnerAdapter);
spinner.setOnItemSelectedListener(BulkMarkerActivity.this);
}
});
}
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
int markersAmount = Integer.valueOf(getResources().getStringArray(R.array.bulk_marker_list)[position]);
new LoadBulkMarkerTask(this, mMapboxMap, markersAmount).execute();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// nothing selected, nothing to do!
}
@Override
protected void onStart() {
super.onStart();
mMapView.onStart();
}
@Override
public void onResume() {
super.onResume();
mMapView.onResume();
}
@Override
public void onPause() {
super.onPause();
mMapView.onPause();
}
@Override
protected void onStop() {
super.onStop();
mMapView.onStop();
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
mMapView.onSaveInstanceState(outState);
}
@Override
protected void onDestroy() {
super.onDestroy();
mMapView.onDestroy();
}
@Override
public void onLowMemory() {
super.onLowMemory();
mMapView.onLowMemory();
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
onBackPressed();
return true;
default:
return super.onOptionsItemSelected(item);
}
}
private static class LoadBulkMarkerTask extends AsyncTask<Void, Integer, List<MarkerOptions>> {
private static final String TAG = "LoadBulkMarkerTask";
private MapboxMap mMapboxMap;
private Context mAppContext;
private ProgressDialog mProgressDialog;
private int mAmount;
public LoadBulkMarkerTask(Context context, MapboxMap mapboxMap, int amount) {
mMapboxMap = mapboxMap;
mapboxMap.removeAnnotations();
mProgressDialog = ProgressDialog.show(context, "Loading", "Fetching markers", false);
mAppContext = context.getApplicationContext();
mAmount = amount;
}
@Override
protected List<MarkerOptions> doInBackground(Void... params) {
List<MarkerOptions> markerOptions = new ArrayList<>(mAmount);
try {
DecimalFormat formatter = new DecimalFormat("#.#####");
String json = GeoParseUtil.loadStringFromAssets(mAppContext, "points.geojson");
List<LatLng> locations = GeoParseUtil.parseGeoJSONCoordinates(json);
if (locations.size() < mAmount) {
mAmount = locations.size();
}
LatLng location;
for (int i = 0; i < mAmount; i++) {
location = locations.get(i);
markerOptions.add(new MarkerOptions()
.position(location)
.title("Marker")
.snippet(formatter.format(location.getLatitude()) + ", " + formatter.format(location.getLongitude())));
}
} catch (IOException | JSONException e) {
Log.e(TAG, "Could not add markers,", e);
}
return markerOptions;
}
@Override
protected void onProgressUpdate(Integer... values) {
super.onProgressUpdate(values);
}
@Override
protected void onPostExecute(List<MarkerOptions> markerOptions) {
super.onPostExecute(markerOptions);
mMapboxMap.addMarkers(markerOptions);
mProgressDialog.hide();
}
}
}
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