map

dependencies {
      ...
      implementation 'com.google.android.gms:play-services-maps:17.0.0'
}

<application ...>
    <meta-data
            android:name="com.google.android.gms.version"
            android:value="@integer/google_play_services_version" />
</application>

    <application ...>
        <meta-data
            android:name="com.google.android.geo.API_KEY"
            android:value="생성된 API 키를 여기로 붙여넣기" />
         ...
    </application>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_height="match_parent"
    android:layout_width="match_parent"
    android:orientation="vertical">
    <fragment
        android:id="@+id/map"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:name="com.google.android.gms.maps.SupportMapFragment" />
</LinearLayout>

public class MainActivity extends AppCompatActivity implements  OnMapReadyCallback {
    //...
    public void onMapReady(GoogleMap googleMap) {

    }
}

public class MainActivity extends AppCompatActivity implements OnMapReadyCallback{

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        //...
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
    }

    public void onMapReady(GoogleMap googleMap) {
        LatLng hansung = new LatLng(37.5817891, 127.008175);
        googleMap.addMarker(new MarkerOptions().position(hansung).title("한성대학교"));
        // move the camera
        googleMap.moveCamera(CameraUpdateFactory.newLatLng(hansung));

    }

public final Marker addMarker (MarkerOptions options)

public class MainActivity extends AppCompatActivity implements OnMapReadyCallback{

    GoogleMap mGoogleMap = null;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);

        Button btn1 = (Button)findViewById(R.id.subway1);
        btn1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (mGoogleMap != null) {
                    LatLng location = new LatLng(37.5882827, 127.006390);
                    mGoogleMap.addMarker(
                            new MarkerOptions().
                                    position(location).
                                    title("한성대입구역").
                                    alpha(0.8f).
                                    icon(BitmapDescriptorFactory.fromResource(R.drawable.arrow)).
                                    snippet("4호선")
                    );
                    mGoogleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(location,15));
                }
            }
        });

        Button btn2 = (Button)findViewById(R.id.subway2);
        btn2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                if (mGoogleMap != null) {
                    LatLng location2 = new LatLng(37.5793652, 127.015292);
                    mGoogleMap.addMarker(
                            new MarkerOptions().
                                    position(location2).
                                    title("창신역").
                                    alpha(0.8f).
                                    icon(BitmapDescriptorFactory.fromResource(R.drawable.arrow)).
                                    snippet("6호선")
                    );
                    mGoogleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(location2,15));
                }
            }
        });

    }

    @Override
    public void onMapReady(GoogleMap googleMap) {
        mGoogleMap = googleMap;

        LatLng hansung = new LatLng(37.5817891, 127.009854);
        googleMap.addMarker(
                new MarkerOptions().
                        position(hansung).
                        title("한성대학교"));

        // move the camera
        googleMap.moveCamera(CameraUpdateFactory.newLatLngZoom(hansung,15));

        mGoogleMap.setOnMarkerClickListener(new MyMarkerClickListener());
    }

    class MyMarkerClickListener implements GoogleMap.OnMarkerClickListener {

        @Override
        public boolean onMarkerClick(Marker marker) {
            if (marker.getTitle().equals("한성대입구역")) {
                Toast.makeText(getApplicationContext(),"한성대입구역을 선택하셨습니다", Toast.LENGTH_SHORT).show();
            }
            return false;
        }
    }
}

private static final LatLng SYDNEY = new LatLng(-33.88,151.21);
private static final LatLng MOUNTAIN_VIEW = new LatLng(37.4, -122.1);

private GoogleMap map;
... // Obtain the map from a MapFragment or MapView.

// Move the camera instantly to Sydney with a zoom of 15.
map.moveCamera(CameraUpdateFactory.newLatLngZoom(SYDNEY, 15));

// Zoom in, animating the camera.
map.animateCamera(CameraUpdateFactory.zoomIn());

// Zoom out to zoom level 10, animating with a duration of 2 seconds.
map.animateCamera(CameraUpdateFactory.zoomTo(10), 2000, null);

Google Map 개요

1. Google Play Service 설정

2. Google Maps API 키 가져오기

3. 앱에 지도 추가 및 설정

4. 지도에 마커 추가 및 설정

4.1 마커

4.2 마커 사용 예제

5. 카메라 뷰 제어

5.1 카메라 이동

5.2 카메라 뷰 업데이트