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 0. [C++] Kick Start 


https://codingcompetitions.withgoogle.com/kickstart/round/


 1. 풀이


1) 

2)

3)



 2. 소스코드

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package com.example.map_polygon;
 
import androidx.fragment.app.FragmentActivity;
 
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
 
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.Marker;
import com.google.android.gms.maps.model.MarkerOptions;
 
import java.util.ArrayList;
 
public class MapsActivity extends FragmentActivity implements OnMapReadyCallback {
 
    private GoogleMap mMap;
 
    ////////map을 연결한다.
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
 
 
        // SupportMapFragment를 통해 레이아웃에 만든 fragment의 id를 참조하고 구글맵을 호출한다.
        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
                .findFragmentById(R.id.map);
        mapFragment.getMapAsync(this);
 
        Button button1 = findViewById(R.id.button1);
        button1.setOnClickListener(new Button.OnClickListener(){
 
            @Override
            public void onClick(View view) {
//                switchFragment();
                getSampleMarkerItems();
            }
        });
    }
 
 
 
    /**
     * Manipulates the map once available.
     * This callback is triggered 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 will be prompted to install
     * it inside the SupportMapFragment. This method will only be triggered once the user has
     * installed Google Play services and returned to the app.
     */
    @Override
    public void onMapReady(GoogleMap googleMap) {
        //구글맵 객체를 불러온다.
        mMap = googleMap;
 
        // Add a marker in Sydney and move the camera
        //첫 시작 위치를 설정한다.
        LatLng sydney = new LatLng(37.1716744, 127.0541234);
        //마커에 표시되는 툴팁?
        //위치는 시드니의 위치에 새로운 마커를 등록
        mMap.addMarker(new MarkerOptions().position(sydney).title("Where am i"));
        //카메라의 위치를 sydney의 위치로 이동한다.
        mMap.moveCamera(CameraUpdateFactory.newLatLng(sydney));
        //카메라를 17.0f로 줌를 한다.
        mMap.animateCamera(CameraUpdateFactory.zoomTo(17.0f));
 
 
        //마커 클릭에 대한 리스너를 등록한다.
        mMap.setOnInfoWindowClickListener(new GoogleMap.OnInfoWindowClickListener() {
            @Override
            public void onInfoWindowClick(Marker marker) {
                Intent intent = new Intent(Intent.ACTION_DIAL);
                intent.setData(Uri.parse("tel:01090117446"));
                if(intent.resolveActivity(getPackageManager()) != null){
                    startActivity(intent);
                }
            }
        });
    }
 
    public void switchFragment() {
        Intent intent = new Intent(Intent.ACTION_DIAL);
        intent.setData(Uri.parse("tel:01090117446"));
        if(intent.resolveActivity(getPackageManager()) != null){
            startActivity(intent);
        }
    }
 
 
 
 
//    //아래의 기능을 여기에 담아주자.(여기서 연결해 주는 것은, 버튼이 눌렸을 때, textField에 존재하는 데이터들을 읽어서 좌표로 설정을 해주는 것이다.)
//    public void setPosition() {
//    }
 
 
    private void getSampleMarkerItems() {
        ArrayList<MarkerItem> sampleList = new ArrayList();
 
        sampleList.add(new MarkerItem(37.1716744, 127.0545678, 2500000));
        sampleList.add(new MarkerItem(37.1716743, 127.0542345, 100000));
        sampleList.add(new MarkerItem(37.1716742, 127.0543456, 15000));
        sampleList.add(new MarkerItem(37.1716741, 127.0547891, 5000));
 
 
        for (MarkerItem markerItem : sampleList) {
            LatLng sydney = new LatLng(markerItem.getLat() ,markerItem.getLon());
            mMap.addMarker(new MarkerOptions().position(sydney).title(markerItem.getPrice()));
        }
 
    }
 
 
//    private void setCustomMarkerView(){
//        marker_root_view = LayoutInflater.from(this).inflate(R.layout.marker_layout, null);
//        tv_marker = (TextView) marker_root_view.findViewById(R.id.tv_marker);
//    }
 
 
 
}
 
cs



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//MarkerItem
 
 
package com.example.map_polygon;
 
public class MarkerItem {
 
    double lat;
    double lon;
    int price;
 
    public MarkerItem(double lat, double lon, int price) {
        this.lat = lat;
        this.lon = lon;
        this.price = price;
    }
 
    public double getLat() {
        return lat;
    }
 
    public void setLat(double lat) {
        this.lat = lat;
    }
 
    public double getLon() {
        return lon;
    }
 
    public void setLon(double lon) {
        this.lon = lon;
    }
 
    public String getPrice() {
        return String.valueOf(price);
    }
 
    public void setPrice(int price) {
        this.price = price;
    }
 
 
}
cs


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<?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="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="20dp"
    android:paddingLeft="20dp"
    android:paddingRight="20dp"
    app:layout_behavior="@string/common_google_play_services_notification_channel_name"
    android:orientation="vertical"
    tools:context=".MapsActivity"
    tools:showIn="@layout/activity_maps">
 
    <fragment xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:map="http://schemas.android.com/apk/res-auto"
        xmlns:tools="http://schemas.android.com/tools"
        android:id="@+id/map"
        android:name="com.google.android.gms.maps.SupportMapFragment"
        android:layout_width="match_parent"
        android:layout_height="500dp"
        tools:context=".MapsActivity" />
 
    <FrameLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:id="@+id/fragmentBorC" />
 
    <EditText
        android:id="@+id/noneText1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="위도"
        android:textSize="20sp"
        />
 
    <EditText
        android:id="@+id/noneText2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="경도"
        android:textSize="20sp"
        />
 
    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Switch Fragment"
        android:textSize="20sp" />
 
 
</LinearLayout>
 
cs





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<resources>
    <!--
    TODO: Before you run your application, you need a Google Maps API key.
 
    To get one, follow this link, follow the directions and press "Create" at the end:
 
    https://console.developers.google.com/flows/enableapi?apiid=maps_android_backend&keyType=CLIENT_SIDE_ANDROID&r=E4:23:A3:E9:31:65:C8:7F:BC:C3:99:2F:94:A1:ED:1B:FD:57:88:47%3Bcom.example.map_polygon
 
    You can also add your credentials to an existing key, using these values:
 
    Package name:
    E4:23:A3:E9:31:65:C8:7F:BC:C3:99:2F:94:A1:ED:1B:FD:57:88:47
 
    SHA-1 certificate fingerprint:
    E4:23:A3:E9:31:65:C8:7F:BC:C3:99:2F:94:A1:ED:1B:FD:57:88:47
 
    Alternatively, follow the directions here:
    https://developers.google.com/maps/documentation/android/start#get-key
 
    Once you have your key (it starts with "AIza"), replace the "google_maps_key"
    string in this file.
    -->
    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">AIzaSyDT3WhTNggmM2x1GARkNZbwCJUYZbXMZiw</string>
</resources>
 
cs



 3. 참고


//위도 경도 찾기

http://www.iegate.net/maps/rgeogoogle.php


https://www.youtube.com/watch?v=dLFXs9hRZKQ


https://www.google.com/search?q=android%3Alayout_height&oq=android%3Alayout_height&aqs=chrome..69i57j69i58.7526j0j7&sourceid=chrome&ie=UTF-8

https://developer.android.com/guide/topics/ui/layout/linear?hl=ko

https://recipes4dev.tistory.com/58

https://sharp57dev.tistory.com/26

http://www.masterqna.com/android/74133/tools-context-%EC%9D%B4%EA%B2%8C-%EB%A8%B8%ED%95%98%EB%8A%94-%EB%B6%80%EB%B6%84%EC%9D%B8%EA%B0%80%EC%9A%94

https://webnautes.tistory.com/1249

https://tavris.tistory.com/6


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