.idea/gradle.xml

@@ -6,7 +6,7 @@
       <GradleProjectSettings>
         <option name="testRunner" value="GRADLE" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="Embedded JDK" />
+        <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

app/build.gradle

@@ -52,3 +52,11 @@ dependencies {
     implementation "androidx.room:room-runtime:$room_version"
     annotationProcessor "androidx.room:room-compiler:$room_version"
 }
+
+//Map用の依存関係の追加
+dependencies {
+    implementation 'com.google.android.gms:play-services-maps:18.0.0'
+    implementation 'com.google.android.gms:play-services-location:18.0.0'
+    implementation 'com.squareup.okhttp3:okhttp:4.9.3'
+    implementation 'com.google.code.gson:gson:2.8.9' // Gsonライブラリの追加
+}

app/src/main/AndroidManifest.xml

@@ -3,6 +3,9 @@
     xmlns:tools="http://schemas.android.com/tools">
 
     <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission
+        android:name="android.permission.ACCESS_FINE_LOCATION"
+        tools:ignore="CoarseFineLocation" />
 
     <application
         android:allowBackup="true"
@@ -31,7 +34,7 @@
         -->
         <meta-data
             android:name="com.google.android.geo.API_KEY"
-            android:value="AIzaSyBQ1Ak-I2NL5TP4K59ZI0VgzKk6HNZuusw" />
+            android:value="AIzaSyBqLqPm76UFpwbpU8b3oiH0wbkhosrPWpU" />
 
         <activity
             android:name=".Maps"

app/src/main/java/com/example/oplogy/MainActivity.java

@@ -172,12 +172,14 @@ public class MainActivity extends AppCompatActivity implements View.OnClickListe
             public void onClick(DialogInterface dialog, int which) {
                 classId = CreateUUID.generateUUID(classIdList);
                 Toast.makeText(MainActivity.this, "クラスID: " + classId, Toast.LENGTH_SHORT).show();
+                imageUuid.setImageResource(R.drawable.checked_image);
             }
         });
         builder.setNegativeButton("No", new DialogInterface.OnClickListener() {
             @Override
             public void onClick(DialogInterface dialog, int which) {
                 Log.d("DialogNO", "DialogでNoが選ばれました");
+                imageUuid.setImageResource(R.drawable.checked_image);
             }
         });
 

app/src/main/java/com/example/oplogy/Maps.java

@@ -1,22 +1,52 @@
 package com.example.oplogy;
 
-import android.content.Intent;
-import android.os.Bundle;
-import android.view.View;
-import android.webkit.WebSettings;
-import android.webkit.WebView;
-import android.webkit.WebViewClient;
-import android.widget.ImageView;
-
 import androidx.fragment.app.FragmentActivity;
+import android.graphics.Color;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.TextView;
 
+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.BitmapDescriptorFactory;
+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 com.example.oplogy.databinding.MapsBinding;
+import com.google.android.gms.maps.model.PolylineOptions;
+import com.google.gson.Gson;
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonPrimitive;
 
-public class Maps extends FragmentActivity implements View.OnClickListener {
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Random;
+
+public class Maps extends FragmentActivity implements OnMapReadyCallback, View.OnClickListener, GoogleMap.OnMarkerClickListener {
 
-    private WebView webView;
     ImageView backMain;
+    private GoogleMap mMap;
     private MapsBinding binding;
+    private LinearLayout locationsName;
+
+    private static final int[] COLORS = new int[]{
+            Color.BLUE, Color.RED, Color.GREEN, Color.MAGENTA, Color.CYAN, Color.YELLOW
+    };
+    private int colorIndex = 0;
+
+    private List<LatLng> latLngList = new ArrayList<>();
+    private List<String> nameList = new ArrayList<>();
+    private List<Integer> colorList = new ArrayList<>();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -25,51 +55,231 @@ public class Maps extends FragmentActivity implements View.OnClickListener {
         binding = MapsBinding.inflate(getLayoutInflater());
         setContentView(binding.getRoot());
 
+        SupportMapFragment mapFragment = (SupportMapFragment) getSupportFragmentManager()
+                .findFragmentById(R.id.map);
+        mapFragment.getMapAsync(this);
+
         backMain = findViewById(R.id.BackMain);
         backMain.setOnClickListener(this);
 
-        webView = findViewById(R.id.webView);
+        locationsName = findViewById(R.id.locationsName);
-        WebSettings webSettings = webView.getSettings();
-        webSettings.setJavaScriptEnabled(true);
-        webView.setWebViewClient(new WebViewClient());
-
-//        ここにデータを入れておいてください、処理は[/]で区切っています
-        loadMapInWebView("35.09050879999539,136.87845379325216/35.09284820618655,136.88165119390393/35.09364708442631,136.88171563326418");
     }
 
-//    WebViewの処理です（Mapの中の処理をやっています）
-    private void loadMapInWebView(String locations) {
-//        区切ることで、追加の地点を入れて、最終地点にピンを打ってある状態です
-        String[] locArray = locations.split("/");
-//        ↓URLで経路案内（車）での表示をしています
-        StringBuilder urlBuilder = new StringBuilder("https://www.google.com/maps/dir/?api=1&travelmode=driving");
 
-        if (locArray.length > 0) {
+    // 書くところはここのみです。後は触らなくて大丈夫です。
-            urlBuilder.append("&origin=").append(locArray[0]);
+    @Override
+    public void onMapReady(GoogleMap googleMap) {
+        mMap = googleMap;
+        mMap.setOnMarkerClickListener(this);
 
-            if (locArray.length > 1) {
+        // ここに緯度と経度を入れてください「/」で区切って取得する処理となっています
-                urlBuilder.append("&destination=").append(locArray[locArray.length - 1]);
+        String locationData = "35.09050879999539,136.87845379325216/35.091950716938875,136.8826598363985/35.09273643623442,136.88154941341296/35.09473643623442,136.88154941341296/35.09673643623442,136.88154941341296";
+        // ここに名前等いれたい情報を乗せてください。
+        String nameData = "名古屋港水族館/2番目/3番目/4番目/5番目";
 
-                if (locArray.length > 2) {
+        loadMapAndNames(locationData, nameData);
+    }
+
+
+    // 名前入力の処理
+    private void loadMapAndNames(String locationData, String nameData) {
+        try {
+            String[] locArray = locationData.split("/");
+            String[] nameArray = nameData.split("/");
+
+            for (int i = 0; i < locArray.length; i++) {
+                String[] latLng = locArray[i].split(",");
+                if (latLng.length == 2) {
+                    double latitude = Double.parseDouble(latLng[0]);
+                    double longitude = Double.parseDouble(latLng[1]);
+                    LatLng position = new LatLng(latitude, longitude);
+                    latLngList.add(position);
+
+                    String name = nameArray.length > i ? nameArray[i] : "Unknown";
+                    nameList.add(name);
+
+                    int color = getNextColor();
+                    colorList.add(color);
+
+                    addPinToMap(name, position, color);
+                    addLocationToScrollView(name, color);
+                }
+            }
+
+            if (!latLngList.isEmpty()) {
+                mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(latLngList.get(0), 17));
+                drawRoute();
+            }
+        } catch (Exception e) {
+            Log.e("Maps", "Error loading maps and names", e);
+        }
+    }
+
+    //ルート表示の処理（APIがちゃんと作動している時に動く所です）
+    private void drawRoute() {
+        new Thread(() -> {
+            try {
+                StringBuilder urlBuilder = new StringBuilder("https://maps.googleapis.com/maps/api/directions/json?");
+                urlBuilder.append("origin=").append(latLngList.get(0).latitude).append(",").append(latLngList.get(0).longitude);
+                urlBuilder.append("&destination=").append(latLngList.get(latLngList.size() - 1).latitude).append(",").append(latLngList.get(latLngList.size() - 1).longitude);
+                if (latLngList.size() > 2) {
                     urlBuilder.append("&waypoints=");
-                    for (int i = 1; i < locArray.length - 1; i++) {
+                    for (int i = 1; i < latLngList.size() - 1; i++) {
-                        urlBuilder.append(locArray[i]);
+                        urlBuilder.append("via:").append(latLngList.get(i).latitude).append(",").append(latLngList.get(i).longitude);
-                        if (i < locArray.length - 2) {
+                        if (i < latLngList.size() - 2) {
                             urlBuilder.append("|");
                         }
                     }
                 }
+                urlBuilder.append("&mode=driving");
+                urlBuilder.append("&key=").append(getString(R.string.maps_api_key));
+
+                URL url = new URL(urlBuilder.toString());
+                HttpURLConnection conn = (HttpURLConnection) url.openConnection();
+                conn.setRequestMethod("GET");
+                InputStreamReader isr = new InputStreamReader(conn.getInputStream());
+                BufferedReader br = new BufferedReader(isr);
+                StringBuilder jsonResults = new StringBuilder();
+                String line;
+                while ((line = br.readLine()) != null) {
+                    jsonResults.append(line);
+                }
+                br.close();
+
+                Log.d("Maps", "API response: " + jsonResults.toString()); // APIレスポンス全体をログに記録
+
+                JsonObject jsonObject = new Gson().fromJson(jsonResults.toString(), JsonObject.class);
+                JsonArray routes = jsonObject.getAsJsonArray("routes");
+                if (routes.size() > 0) {
+                    JsonObject route = routes.get(0).getAsJsonObject();
+                    JsonObject polyline = route.getAsJsonObject("overview_polyline");
+                    String encodedString = polyline.get("points").getAsString();
+                    List<LatLng> points = decodePoly(encodedString);
+
+                    Log.d("Maps", "Polyline points: " + points);
+
+                    runOnUiThread(() -> {
+                        mMap.addPolyline(new PolylineOptions().addAll(points).width(5).color(Color.BLUE));
+                    });
+                } else {
+                    // エラーが発生した場合の処理
+                    JsonPrimitive errorMessage = jsonObject.getAsJsonPrimitive("error_message");
+                    if (errorMessage != null) {
+                        Log.e("Maps", "Error: " + errorMessage.getAsString());
+                    } else {
+                        Log.e("Maps", "No routes found and no error message provided");
                     }
                 }
 
-        webView.loadUrl(urlBuilder.toString());
+            } catch (Exception e) {
+                Log.e("Maps", "Error drawing route", e);
+            }
+        }).start();
     }
 
+    private List<LatLng> decodePoly(String encoded) {
+        List<LatLng> poly = new ArrayList<>();
+        int index = 0, len = encoded.length();
+        int lat = 0, lng = 0;
+
+        while (index < len) {
+            int b, shift = 0, result = 0;
+            do {
+                b = encoded.charAt(index++) - 63;
+                result |= (b & 0x1f) << shift;
+                shift += 5;
+            } while (b >= 0x20);
+            int dlat = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
+            lat += dlat;
+
+            shift = 0;
+            result = 0;
+            do {
+                b = encoded.charAt(index++) - 63;
+                result |= (b & 0x1f) << shift;
+                shift += 5;
+            } while (b >= 0x20);
+            int dlng = ((result & 1) != 0 ? ~(result >> 1) : (result >> 1));
+            lng += dlng;
+
+            LatLng p = new LatLng((((double) lat / 1E5)), (((double) lng / 1E5)));
+            poly.add(p);
+        }
+
+        return poly;
+    }
+
+
+    // マップのピン等に入れる色の処理
+    private float getHueFromColor(int color) {
+        float[] hsv = new float[3];
+        Color.colorToHSV(color, hsv);
+        return hsv[0];
+    }
+
+    private void addPinToMap(String locationName, LatLng position, int color) {
+        Marker marker = mMap.addMarker(new MarkerOptions()
+                .position(position)
+                .title(locationName)
+                .icon(BitmapDescriptorFactory.defaultMarker(getHueFromColor(color)))
+        );
+        if (marker != null) {
+            marker.setTag(locationName);
+        }
+    }
+
+
+    // ScrollViewのTextViewの中の処理（名前や、色等）
+    private void addLocationToScrollView(String locationName, int color) {
+        runOnUiThread(() -> {
+            try {
+                TextView textView = new TextView(this);
+                textView.setText(locationName);
+                textView.setTextSize(20);
+                textView.setPadding(16, 16, 16, 16);
+                textView.setBackgroundColor(color);
+
+                View underline = new View(this);
+                LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
+                        LinearLayout.LayoutParams.MATCH_PARENT,
+                        3
+                );
+                params.setMargins(0, 0, 0, 16);
+                underline.setLayoutParams(params);
+                underline.setBackgroundColor(Color.BLACK);
+
+                locationsName.addView(textView);
+                locationsName.addView(underline);
+            } catch (Exception e) {
+                Log.e("Maps", "Error adding location to scroll view", e);
+            }
+        });
+    }
+
+    //色の重複（赤・赤等を避ける）処理
+    private int getNextColor() {
+        int color = COLORS[colorIndex];
+        colorIndex = (colorIndex + 1) % COLORS.length;
+        return color;
+    }
+
+    //クリックしたらメイン画面に戻ります
     @Override
     public void onClick(View view) {
-        if (view == backMain) {
+        if (view.getId() == R.id.BackMain) {
-            Intent backMain = new Intent(Maps.this, MainActivity.class);
+            finish();
-            startActivity(backMain);
         }
     }
+
+
+    //マップのピンをクリックしたときの処理
+    @Override
+    public boolean onMarkerClick(Marker marker) {
+        String locationName = (String) marker.getTag();
+        if (locationName != null) {
+            marker.setTitle(locationName);
+            marker.showInfoWindow();
+        }
+        return false;
+    }
 }

app/src/main/res/layout/main.xml

@@ -72,6 +72,11 @@
     </LinearLayout>
 
 
+    <Space
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_weight="3"/>
+
 
 <!--    ルート表示のレイアウト-->
     <LinearLayout
@@ -102,11 +107,6 @@
             android:layout_gravity="center"/>
     </LinearLayout>
 
-    <Space
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_weight="3"/>
-
 
 <!--    提出状況のレイアウト-->
     <LinearLayout

app/src/main/res/layout/maps.xml

@@ -31,17 +31,24 @@
             android:textSize="40dp" />
     </LinearLayout>
 
-<!--    Webの処理 -->
+    <fragment
-    <WebView
+        android:id="@+id/map"
-        android:id="@+id/webView"
+        android:name="com.google.android.gms.maps.SupportMapFragment"
         android:layout_width="match_parent"
         android:layout_height="0dp"
-        android:layout_weight="6" />
+        android:layout_weight="6"
+        tools:context=".Maps" />
 
     <ScrollView
         android:id="@+id/scrollable"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_weight="3" />
+        android:layout_weight="3">
-
+        <LinearLayout
+            android:id="@+id/locationsName"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="vertical" />
+    </ScrollView>
 </LinearLayout>
+

app/src/main/res/values/strings.xml

@@ -1,5 +1,6 @@
 <resources>
-    <string name="app_name">oplogy</string>
+    <string name="app_name">Oplogy</string>
+    <string name="maps_api_key">AIzaSyBqLqPm76UFpwbpU8b3oiH0wbkhosrPWpU</string>
     <string name="title_activity_maps">MapsActivity</string>
     <string name="setUp">設定</string>
     <string name="reset">リセット</string>
@@ -11,7 +12,6 @@
     <string name="breakTime">休憩時間</string>
     <string name="totalStudent">生徒の人数</string>
     <string name="timeSet">時刻設定</string>
-    <string name="Back">🔙</string>
     <string name="startpoint">住所</string>
     <string name="tenMinute">10分</string>
     <string name="fifteenMinute">15分</string>