[안드로이드] 구글 지도를 띄우고 마커도 띄우기

컨트롤 알트 S를 눌러서 설정으로 간 다음

Google play Service를 활성화.

컨트롤 알트 쉬프트 에스를 눌러서

프로젝트 구조에서 app -> Dependencies -> +

play-service 로 검색하면 maps달린거 추가. 

메니페스트

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.acid.samplelocation">

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.INTERNET"/>

    <permission
        android:name="com.example.acid.samplelocation.permission.MAPS.RECEIVE"
        android:protectionLevel="signature" />

    <uses-permission android:name="com.example.acid.samplelocation.permission.MAPS_RECEIVE" />
    <uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICE" />

    <uses-feature
        android:glEsVersion="0x00020000"
        android:required="true" />


    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">

        <uses-library android:name="com.google.android.maps"/>
        <meta-data android:name="com.google.android.maps.v2.API_KEY"
            android:value="API키를 넣으면 된다."/>

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

        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

구글 Api key는 구글에서 구하면 된다.

layout

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">

        <TextView
            android:id="@+id/textView1"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="GPS location"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintLeft_toLeftOf="parent"
            app:layout_constraintRight_toRightOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <Button
            android:id="@+id/button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="GPS ON"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/textView1" />

        <Button
            android:id="@+id/button2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="GPS OFF"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toBottomOf="@+id/button" />

        <Button
            android:id="@+id/buttonMap"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="버튼" />
    </LinearLayout>

    <RelativeLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content">

        <fragment
            android:id="@+id/map"
            class="com.google.android.gms.maps.SupportMapFragment"
            android:layout_width="match_parent"
            android:layout_height="match_parent" />
    </RelativeLayout>

</LinearLayout>

package com.example.acid.samplelocation;

import android.content.Context;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.gms.maps.CameraUpdate;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.MapsInitializer;
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.Marker;
import com.google.android.gms.maps.model.MarkerOptions;

public class MainActivity extends AppCompatActivity {

    TextView textView;
    Button button;
    Button button2;
    Button buttonMap;

    SupportMapFragment mapFragment;
    GoogleMap map;


    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        textView = findViewById(R.id.textView1);
        button = findViewById(R.id.button);
        button2 = findViewById(R.id.button2);

        //버튼 맵
        buttonMap = findViewById(R.id.buttonMap);

        //지도 객체 참조
        mapFragment = (SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.map);
        mapFragment.getMapAsync(new OnMapReadyCallback() {
            @Override
            public void onMapReady(GoogleMap googleMap) {
                map = googleMap;

                //최초 표시 부분
                //없으면 지도가 회색으로 나온다.
                // 서울역으로
                googleMap.moveCamera(CameraUpdateFactory.newLatLng(new LatLng(37.555744, 126.970431)));
                //지도 Zoom 정도
                googleMap.animateCamera(CameraUpdateFactory.zoomTo(15));

            }
        });

        //지도 인식
        MapsInitializer.initialize(this);

        buttonMap.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                requestMylocation();
            }
        });

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                requestMylocation();
            }
        });
        button2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                stopLocation();
                Toast.makeText(getApplicationContext(), "GPS OFF", Toast.LENGTH_LONG).show();
            }
        });
    }



    //class가 아닌 pricate 값으로 하나 만든다. remove를 위해서
    private LocationListener locationListener = new LocationListener() {
        @Override
        public void onLocationChanged(Location location) {
            Double latitude = location.getLatitude();
            Double longitude = location.getLongitude();
            showCurrentLocation(latitude, longitude);
        }

        public void showCurrentLocation(Double getLatitude, Double getLongitude) {
            LatLng latLng = new LatLng(getLatitude, getLongitude);
            map.animateCamera(CameraUpdateFactory.newLatLngZoom(latLng, 17));

            //마커로 좌표 찍기
            MarkerOptions marker = new MarkerOptions();
            //마커에 넣을 정보
            //snippet은 subtitle같은 것이다
            marker.position(latLng).title("My position").snippet("my position");
            //마커를 지도에 표기
            map.addMarker(marker).showInfoWindow();

            //마커를 누르면 실행되는 것
            map.setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
                @Override
                public boolean onMarkerClick(Marker marker) {
                    Toast.makeText(getApplicationContext(), "클릭했음", Toast.LENGTH_LONG).show();
                    return false;
                }
            });


        }

        @Override
        public void onStatusChanged(String s, int i, Bundle bundle) {

        }

        @Override
        public void onProviderEnabled(String s) {

        }

        @Override
        public void onProviderDisabled(String s) {

        }
    };

    LocationManager locationManager = null;

    //내 위치 요청
    public void requestMylocation() {
        locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); //LOCATION_SERVICE
        Location location = null;
        if (locationManager.isProviderEnabled(LocationManager.NETWORK_PROVIDER)) { //네트워크가 활성화 되어 있다면
            location = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
        } else {
            location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER); //마지막에 알려진 위치
        }

        String getLongitude = "LAST getLongitude : " + location.getLongitude();
        String getLatitude = " LAST getLatitude : " + location.getLatitude();
        Log.i("Location ", getLongitude + "" + getLatitude);

        Double longitude = location.getLongitude();
        Double latitude = location.getLatitude();
        textView.setText("latitude " +  latitude);

        Toast.makeText(getApplicationContext(), "GPS", Toast.LENGTH_LONG).show();

        long minTime = 10000; // 10초
        long minDistance = 0;
        locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, minTime, minDistance, locationListener);


    }


    //GPS중단
    public void stopLocation() {
        locationManager.removeUpdates(locationListener);
    }


}

주석으로 설명은 달아놓았는데, GPS받는 부분에서 구글 맵 부분이 추가된 형태이다.