MapsMarkerActivity.java

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package com.example.mapwithmarker;

import android.content.res.Resources;
import android.os.Bundle;
import android.util.Log;

import androidx.appcompat.app.AppCompatActivity;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.OnMapReadyCallback;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MapStyleOptions;
import com.google.android.gms.maps.model.MarkerOptions;

/**
 * An activity that displays a Google map with a marker (pin) to indicate a particular location.
 */
// [START maps_marker_on_map_ready]
public class MapsMarkerActivity extends AppCompatActivity
        implements OnMapReadyCallback {
    private static final String TAG = MapsMarkerActivity.class.getSimpleName();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // Retrieve the content view that renders the map.
        setContentView(R.layout.activity_main);
        // Get the SupportMapFragment and request notification
        // when the map is ready to be used.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map1);
        mapFragment.getMapAsync(this);
    }
    // [END maps_marker_get_map_async]
    // [END_EXCLUDE]

    // [START_EXCLUDE silent]
    /**
     * Manipulates the map when it's available.
     * The API invokes this callback when the map is ready to be used.
     * This is where we can add markers or lines, add listeners or move the camera. In this case,
     * we just add a marker near Sydney, Australia.
     * If Google Play services is not installed on the device, the user receives a prompt to install
     * Play services inside the SupportMapFragment. The API invokes this method after the user has
     * installed Google Play services and returned to the app.
     */
    // [END_EXCLUDE]
    // [START maps_marker_on_map_ready_add_marker]
    @Override
    public void onMapReady(GoogleMap googleMap) {
        // [START_EXCLUDE silent]
        // Add a marker in Sydney, Australia,
        // and move the map's camera to the same location.
        // [END_EXCLUDE]
        try {
            // Customise the styling of the base map using a JSON object defined
            // in a raw resource file.
            boolean success = googleMap.setMapStyle(
                    MapStyleOptions.loadRawResourceStyle(
                            this, R.raw.style_json));

            if (!success) {
                Log.e(TAG, "Style parsing failed.");
            }
        } catch (Resources.NotFoundException e) {
            Log.e(TAG, "Can't find style. Error: ", e);
        }

        LatLng boston = new LatLng(42.3601, -71.0589);
        LatLng wit = new LatLng(42.336297, -71.095531);
        LatLng mfa = new LatLng(42.3376018, -71.1907905);


        googleMap.addMarker(new MarkerOptions()
            .position(wit)
            .title("This is wentworth"));
        googleMap.addMarker(new MarkerOptions().position(mfa).title("Museum of fine arts"));
        googleMap.addMarker(new MarkerOptions().position(mfa).title("This is boston"));
        googleMap.addMarker(new MarkerOptions().position(wit).title("wentworth"));
        // [START_EXCLUDE silent]
        googleMap.moveCamera(CameraUpdateFactory.newLatLng(wit));
        googleMap.setMinZoomPreference(15.0f);
        //googleMap.setMaxZoomPreference(20.0f);
        // [END_EXCLUDE]
    }
    // [END maps_marker_on_map_ready_add_marker]
}
// [END maps_marker_on_map_ready]