app/src/main/java/com/example/childguard/HomeFragment.java

@@ -20,7 +20,7 @@ import androidx.fragment.app.FragmentTransaction;
  * Use the {@link HomeFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
-public class HomeFragment extends Fragment  {
+public class HomeFragment extends Fragment implements OnEventListener {
 
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
@@ -82,7 +82,6 @@ public class HomeFragment extends Fragment  {
     public void onResume() {
         super.onResume();
         Log.d("HomeFragment", "onResume: called");
-        Log.d("isIncar", "onResume: " + getIsInCarLocal());
         this.updateUiState(getIsInCarLocal());
         this.updateBluetoothSituation(isBluetoothConnected());
     }
@@ -94,9 +93,21 @@ public class HomeFragment extends Fragment  {
 
     private boolean getIsInCarLocal() {
         SharedPreferences pref = requireActivity().getSharedPreferences("app_situation", requireActivity().MODE_PRIVATE);
-        Boolean isInCar = pref.getBoolean("isInCarPref", false);
+        return pref.getBoolean("isInCar", false);
-        Log.d("isInCarPref","isInCar"+ isInCar);
+    }
-        return isInCar;
+
+    //画面遷移メソッド
+    private void replaceFragment(Fragment fragment) {
+        // フラグメントマネージャーの取得
+        FragmentManager manager = getParentFragmentManager(); // アクティビティではgetSupportFragmentManager()?
+        // フラグメントトランザクションの開始
+        FragmentTransaction transaction = manager.beginTransaction();
+        // レイアウトをfragmentに置き換え（追加）
+        transaction.replace(R.id.fragmentContainerView, fragment);
+        // 置き換えのトランザクションをバックスタックに保存する
+        transaction.addToBackStack(null);
+        // フラグメントトランザクションをコミット
+        transaction.commit();
     }
 
     /**
@@ -104,13 +115,12 @@ public class HomeFragment extends Fragment  {
      */
     private boolean updateUiState(boolean isInCar) {
         Log.d("HomeFragment", "updateUiState: called");
-        Log.d("HomeFragment", "updateUiState:"+isInCar);
         // Init
         TextView tv;
         FrameLayout fl;
         try {
-            tv = requireView().findViewById(R.id.car_situation);
+            tv = requireView().findViewById(R.id.situation);
-            fl = requireView().findViewById(R.id.car_situation_bg);
+            fl = requireView().findViewById(R.id.situation_bg);
         } catch (NullPointerException e) {
             Log.d("HomeFragment", "updateUiState: view is null");
             return false;
@@ -121,7 +131,7 @@ public class HomeFragment extends Fragment  {
             return false;
         }
 
-        if (isInCar) {
+        if (!isInCar) {
             //乗車状態にする
             fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
             tv.setText(GET_ON);
@@ -137,7 +147,7 @@ public class HomeFragment extends Fragment  {
     /**
      * Bluetoothの接続状態の画面を切り替える
      */
-    boolean updateBluetoothSituation(Boolean BluetoothConnect) {
+    private boolean updateBluetoothSituation(Boolean BluetoothConnect) {
         FrameLayout frameLayout;
         TextView textView;
         ImageView imageView;
@@ -171,5 +181,12 @@ public class HomeFragment extends Fragment  {
         return true;
     }
 
+
+    @Override
+    public boolean onEvent(boolean isInCar) {//乗車状態と降車状態の変更を受け取ってupdateUiState()に渡す
+        Log.d("HomeFragment", "onEvent: called");
+
+        return updateUiState(isInCar);
+    }
 }
 

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

@@ -25,6 +25,7 @@ import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 import androidx.core.app.NotificationCompat;
+import androidx.fragment.app.Fragment;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 import com.google.firebase.firestore.DocumentReference;
@@ -45,7 +46,7 @@ public class MainActivity extends AppCompatActivity {
 
     DocumentReference mDocRef;
 
-    private HomeFragment homeFragment = HomeFragment.newInstance("test", "test");;
+    private HomeFragment homeFragment;
 
     public static final String TAG = "InspirationQuote";
 
@@ -71,7 +72,7 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-        Log.d(TAG, "onCreate: called");
+
         //Bluetooth接続判定用
         SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
         SharedPreferences.Editor e = pref.edit();
@@ -85,26 +86,19 @@ public class MainActivity extends AppCompatActivity {
         BottomNavigationView bottomNavigationView = findViewById(R.id.nav_view);
 
         this.homeFragment = HomeFragment.newInstance("test", "test");
-        if(savedInstanceState == null){
-            getSupportFragmentManager().beginTransaction()
-                    .replace(findViewById(R.id.fragmentContainerView).getId(), this.homeFragment)
-                    .addToBackStack(null)
-                    .commit();
-        }
 
         bottomNavigationView.setOnNavigationItemSelectedListener(v ->
+
         {
             if (v.getItemId() == findViewById(R.id.navigation_home).getId()) {
-                Log.d("MainActivity", "navigation_home: called");
                 findViewById(R.id.fab_scan_qr_code).setVisibility(FrameLayout.VISIBLE);
                 getSupportFragmentManager().beginTransaction()
                         .replace(findViewById(R.id.fragmentContainerView).getId(), this.homeFragment)
                         .addToBackStack(null)
                         .commit();
-                //firebaseLink();
+                firebaseLink();
 
             } else if (v.getItemId() == findViewById(R.id.navigation_settings).getId()) {
-                Log.d("MainActivity", "navigation_settings: called");
                 findViewById(R.id.fab_scan_qr_code).setVisibility(FrameLayout.GONE);
                 getSupportFragmentManager().beginTransaction()
                         .replace(findViewById(R.id.fragmentContainerView).getId(), SettingFragment.newInstance())
@@ -122,6 +116,7 @@ public class MainActivity extends AppCompatActivity {
             ScanOptions options = new ScanOptions();
             options.setPrompt("QRコードを読み取ってください");
             QrLauncher.launch(options);
+
         });
 
         //Bluetooth検知機能
@@ -138,7 +133,7 @@ public class MainActivity extends AppCompatActivity {
         }
         registerReceiver(receiver, intentFilter);
 
-        //startForegroundService(new Intent(this, SurveillanceService.class));
+        startForegroundService(new Intent(this, SurveillanceService.class));
 
     }
 
@@ -146,45 +141,50 @@ public class MainActivity extends AppCompatActivity {
     @Override
     protected void onResume() {
         super.onResume();
-        Log.d("MainActivity onResume", "called");
+        Log.d("onResume", "called");
-//        Log.d("MainActivity onResume", "mDocRef is null");
+        Log.d("onResume", "mDocRef is null");
         firebaseLink();
     }
-    /**
+
-     * 乗車状態の変更
+    private void initNotification(DocumentReference mDocRef) {//サイト上で押されたボタンの管理
-     */
-    public void changeIsInCar() {
         // 共有プリファレンス全体の準備
-        SharedPreferences sharedPreferences = MainActivity.this.getSharedPreferences("app_situation", MODE_PRIVATE);
+        SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
+
+        mDocRef.addSnapshotListener(this, (documentSnapshot, e) -> {
+
+            Log.d("nt", "イベント開始");
             //共有プリファレンス 書き込みの準備
             SharedPreferences.Editor E = sharedPreferences.edit();
-        SharedPreferences.Editor E2 = sharedPreferences.edit();
+            //車の乗り降りを管理するtrue=乗車、false=降車
-        String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
+            if (documentSnapshot.exists()) {//exists()でdocumentSnapshotの中のファイルの存在の確認
-        Log.d("MainActivity", "changeIsInCar: ID= " + IdPref);
+                Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragmentContainerView);
-        boolean change = sharedPreferences.getBoolean("change", false);
+                Boolean isInCar = sharedPreferences.getBoolean("isInCarPref", false);//現在の乗降状態を保存する共有プリファレンス
-        Log.d("MainActivity", "changeIsInCar: " + change);
+                E.putBoolean("isInCarPref", documentSnapshot.getBoolean("isInCar"));//乗降状態の判定
-        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
+                E.apply();//確定処理
-        DocumentReference isReported = db.collection("status").document(IdPref);//更新するドキュメントとの紐づけ
+                Log.d("nt", "レスポンスを検知しました1");
-        Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
+                //FireBaseで更新された情報の判定
-        if (!change) {
+                if (!documentSnapshot.getBoolean("isReported")) {//isReportedがfalseのとき=サイト上で保護者ボタンが押されたとき
-            //isInCarをtrueに更新
+                    if (fragment instanceof HomeFragment) {//fragmentがHomeFragmentのインスタンスかの判定
-            Log.d("MainActivity", "change:"+change);
+//                        changes-situation();//  changes-situation()メソッドを処理→アプリ側の乗降状態を変化
-            E.putBoolean("change", true);
+                        ((HomeFragment) fragment).onEvent(!isInCar);
-            E.apply();
-            Log.d("MainActivity", "change:"+sharedPreferences.getBoolean("change",false));
-        } else {
-            Log.d("MainActivity", "change:"+change);
-            E.putBoolean("change", false);
-            E.apply();
-            Log.d("MainActivity", "change:"+sharedPreferences.getBoolean("change",false));
                     }
-        Log.d("MainActivity", "changeIsInCar: "+sharedPreferences.getBoolean("change",false));
+                } else if (isInCar) {//第三者ボタンが押されたときにisInCarがtrueのとき＝乗車状態のとき→いたずら防止
-        isReported.update("isInCar", sharedPreferences.getBoolean("change",false)).addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
+                    int importance = NotificationManager.IMPORTANCE_DEFAULT;
-        E2.putBoolean("isInCarPref", sharedPreferences.getBoolean("change",false));
+                    NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通報通知", importance);
-        E2.apply();
+                    channel.setDescription("第3者からの通報を検知しました");
+                    NotificationManager notificationManager = getSystemService(NotificationManager.class);
+                    notificationManager.createNotificationChannel(channel);
+                    Log.d("nt", "レスポンスを検知しました2");
+                    NotificationSetting();//通知に関する設定のメソッド
+                    Notification(getApplicationContext());//通知を行うメソッド
+                    ResetReported();// ResetReported();メソッドを処理→FireBaseのisReportedをfalseにする
+                } else {//第三者ボタンが押されたときにisInCarがfalseのとき=降車状態のとき
+                    ResetReported();// ResetReported();を処理→FireBaseのisReportedをfalseにする
+                    Log.d("nt", "何もなし");
+                }
+            }
+        });
     }
-
-
 
     private boolean hasPermissions() {
         return ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH) == PackageManager.PERMISSION_GRANTED &&
@@ -229,17 +229,171 @@ public class MainActivity extends AppCompatActivity {
      * FireBaseのIDの取得
      */
     public void firebaseLink() {//Firebaseのドキュメントの取得
-        Log.d("MainActivity", "firebaseLink: called");
         //共有プリファレンス全体の準備
         SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
         String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
-        if (IdPref == null) {
+        if (IdPref == null) {//FireBaseのIDがアプリに登録されているとき
             Log.d("onResume", "ID not initialized.");
         } else {
             mDocRef = FirebaseFirestore.getInstance().document("status/" + IdPref);//現在の位置を取得
-            //updateIsInCarPref(mDocRef);//現在の位置を引数に initNotification()を処理
+            initNotification(mDocRef);//現在の位置を引数に initNotification()を処理
         }
     }
+    /**
+     * FireBaseのisReportedをfalseに初期化するメソッド
+     */
+    public void ResetReported() {
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = MainActivity.this.getSharedPreferences("app_situation", MODE_PRIVATE);
+        String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
+        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
+        DocumentReference isReported = db.collection("status").document(IdPref);//更新するドキュメントとの紐づけ
+        Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
+        //isReportedをfalseに更新
+        isReported.update("isReported", false).addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
+    }
+
+    /**
+     * 乗車状態の変更
+     */
+    public void changeIsInCar() {
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = MainActivity.this.getSharedPreferences("app_situation", MODE_PRIVATE);
+        //共有プリファレンス 書き込みの準備
+        SharedPreferences.Editor E = sharedPreferences.edit();
+        String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
+        Boolean change = sharedPreferences.getBoolean("change", false);
+        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
+        DocumentReference isReported = db.collection("status").document(IdPref);//更新するドキュメントとの紐づけ
+        Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
+        if (!change) {
+            //isInCarをtrueに更新
+            E.putBoolean("change", true);
+        } else {
+            E.putBoolean("change", false);
+        }
+        isReported.update("isInCar", change).addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
+        E.apply();
+    }
+
+    /**
+     * 第三者通知に関する設定のメソッド
+     */
+    public void NotificationSetting() {//通知に関する設定の処理を行うメソッド
+        int importance = NotificationManager.IMPORTANCE_DEFAULT;
+        //通知チャネルの実装
+        NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通知", importance);
+        channel.setDescription("第三者により置き去りの通報が行われたときに通知します。");
+
+        NotificationManager notificationManager = getSystemService(NotificationManager.class);
+        notificationManager.createNotificationChannel(channel);
+    }
+
+    /**
+     * 第三者通知を行うメソッド
+     */
+    public void Notification(Context context) {//実際に通知を行うメソッド
+        final String CHANNEL_ID = "my_channel_id";
+        // 通知がクリックされたときに送信されるIntent
+        Intent intent = new Intent(context, MainActivity.class);
+        intent.setAction("OPEN_ACTIVITY");
+        // PendingIntentの作成
+        int requestCode = 100;
+        int flags = 0;
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, requestCode, intent, flags | PendingIntent.FLAG_IMMUTABLE);
+
+        ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(2000);//バイブレーション
+
+        @SuppressLint("NotificationTrampoline") NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
+                .setSmallIcon(android.R.drawable.ic_menu_info_details)
+                .setContentTitle("子供の置き去りをしていませんか？")//通知のタイトル
+                .setContentText("第三者からの通報が行われました。")//通知の本文
+                .setContentIntent(pendingIntent)//通知をタップするとActivityへ移動する
+                .setAutoCancel(true)//通知をタップすると削除する
+                .setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
+
+        // NotificationChannelの作成（Android 8.0以降）
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            if (notificationManager != null) {
+                NotificationChannel channel = new NotificationChannel(
+                        CHANNEL_ID,
+                        "Channel Name",
+                        NotificationManager.IMPORTANCE_HIGH
+                );
+
+                channel.setDescription("Channel Description");
+                channel.enableLights(true);
+                channel.setLightColor(Color.RED);
+                channel.enableVibration(true);
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+
+
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        notificationManager.notify(R.string.app_name, builder.build());//通知の表示
+    }
+
+
+    @Override
+    public void onStop() {//アプリをバックグラウンドにした時のメソッド
+        super.onStop();
+//        Intent intent = new Intent(getApplication(), TestService.class);
+//        startService(intent);//TestServiceを起動
+    }
+
+    public void NotificationBluetooth(Context context) {//実際に通知を行うメソッド
+        final String CHANNEL_ID = "my_channel_id";
+        // 通知がクリックされたときに送信されるIntent
+        Intent intent = new Intent(context, MainActivity.class);
+        intent.setAction("OPEN_ACTIVITY");
+        // PendingIntentの作成
+        int requestCode = 100;
+        int flags = 0;
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, requestCode, intent, flags | PendingIntent.FLAG_IMMUTABLE);
+
+        ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(2000);//バイブレーション
+
+        @SuppressLint("NotificationTrampoline") NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
+                .setSmallIcon(android.R.drawable.ic_menu_info_details)
+                .setContentTitle("子供の置き去りをしていませんか？")//通知のタイトル
+                .setContentText("Bluetoothと車の切断から5分が経過しました")//通知の本文
+                .setContentIntent(pendingIntent)//通知をタップするとActivityへ移動する
+                .setAutoCancel(true)//通知をタップすると削除する
+                .setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
+
+        // NotificationChannelの作成（Android 8.0以降）
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            if (notificationManager != null) {
+                NotificationChannel channel = new NotificationChannel(
+                        CHANNEL_ID,
+                        "Channel Name",
+                        NotificationManager.IMPORTANCE_HIGH
+                );
+
+                channel.setDescription("Channel Description");
+                channel.enableLights(true);
+                channel.setLightColor(Color.RED);
+                channel.enableVibration(true);
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+
+
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        notificationManager.notify(R.string.app_name, builder.build());//通知の表示
+    }
+
 
     public void Bluetooth_status() {
         IntentFilter intentFilter = new IntentFilter();
@@ -257,6 +411,10 @@ public class MainActivity extends AppCompatActivity {
 
 
     private final BroadcastReceiver receiver = new BroadcastReceiver() {
+
+
+        //PreferenceManager.getDefaultSharedPreferences("myPreferences",Context.MODE_PRIVATE);
+
         @Override
         public void onReceive(Context context, Intent intent) {
             SharedPreferences pref = getSharedPreferences("Bluetooth_situation", MODE_PRIVATE);
@@ -273,7 +431,9 @@ public class MainActivity extends AppCompatActivity {
             String registeredId = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("bluetooth_device_id", "none");
 
             if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
+                //Do something if connected
                 //Bluetoothデバイスが接続されたときの処理
+                changeBluetooth(true);
                 Log.d("BT", "Device connected");
 
                 Log.d("BT_Judge", "Registered: " + registeredId);
@@ -281,11 +441,8 @@ public class MainActivity extends AppCompatActivity {
                 if (deviceHardwareAddress.equals(registeredId)) {
                     //登録済みのデバイスだったときの処理
                     Log.d("BT_Judge", "登録済み");
-                    changeBluetooth(true);
                     e.putBoolean("connection_status", true);
-                    if(homeFragment != null && homeFragment.isVisible()){
+
-                        homeFragment.updateBluetoothSituation(true);
-                    }
                 } else {
                     //登録していないデバイスだったときの処理
                     Log.d("BT_Judge", "未登録");
@@ -293,12 +450,26 @@ public class MainActivity extends AppCompatActivity {
                 }
                 e.apply();
 
-            }else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
+            }else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action) && !isInCar) {//bluetoothが切断されたときに乗車状態のとき
-                //bluetoothデバイスが切断されたときの処理
+//
+//                //Do something if disconnected
+                //デバイスが切断されたときの処理
                 changeBluetooth(false);
-                if(homeFragment != null && homeFragment.isVisible()){
+//                if (deviceHardwareAddress.equals(registeredId)) {
-                    homeFragment.updateBluetoothSituation(false);
+//                    // 5分待機する
-                }
+//                    Handler handler = new Handler();
+//                    handler.postDelayed(new Runnable() {
+//                        @Override
+//                        public void run() {
+//                            if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action) && !isInCar) {//その後bluetoothを再接続したり降車状態になったりしていない＝置き去りが発生した可能性大
+//                                NotificationBluetooth(getApplicationContext());//通知を行うメソッド
+//                            }
+//                        }
+//
+//                    }, 5 * 1000); // 5分をミリ秒に変換
+//                }
+//            } else {
+//                Log.d("BT", " Device disconnected");
             }
         }
     };

app/src/main/java/com/example/childguard/RecyclerAdapter.java

@@ -53,15 +53,15 @@ public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ItemVi
                     .setMessage("このデバイスを登録しますか？")
                     .setPositiveButton(android.R.string.ok, (dialog, which) -> {
                         // OK button pressed
-//                        Toast.makeText(v.getContext(), "OK button clicked", Toast.LENGTH_SHORT).show();
+                        Toast.makeText(v.getContext(), "OK button clicked", Toast.LENGTH_SHORT).show();
                         //共有プリファレンスに保存
                         SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(this.applicationContext);
                         sharedPreferences.edit().putString("bluetooth_device_id", deviceList.get(position)[1]).apply();
                         sharedPreferences.edit().putString("bluetooth_device_name", deviceList.get(position)[0]).apply();
-//                        Toast.makeText(v.getContext(), PreferenceManager.getDefaultSharedPreferences(this.applicationContext).getString("bluetooth_device_id", "none"), Toast.LENGTH_SHORT).show();
+                        Toast.makeText(v.getContext(), PreferenceManager.getDefaultSharedPreferences(this.applicationContext).getString("bluetooth_device_id", "none"), Toast.LENGTH_SHORT).show();
 
                         TextView textView = this.parentView.findViewById(R.id.registered_device);
-                        textView.setText(PreferenceManager.getDefaultSharedPreferences(this.applicationContext).getString("bluetooth_device_name", "登録されていません"));
+                        textView.setText(PreferenceManager.getDefaultSharedPreferences(this.applicationContext).getString("bluetooth_device_name", "none"));
 
 
                     })

app/src/main/java/com/example/childguard/SurveillanceService.java

@@ -67,9 +67,9 @@ public class SurveillanceService extends Service {
     private static final String REPORTED_CHANNEL_ID = "child_guard_reported";
     private static final String BACKGROUND_CHANNEL_ID = "child_guard_background";
     private static final int REQUEST_CODE = 100;
-    private static final int NOTIFICATION_DELAY = 5 * 60 * 1000; // 5 minutes
+//    private static final int NOTIFICATION_DELAY = 5 * 60 * 1000; // 5 minutes
-
+    // DEBUG
-
+    private static final int NOTIFICATION_DELAY = 5 * 1000; // 15 seconds
     private static final NotificationContent REPORTED_NOTIFICATION =
             new NotificationContent("子供の置き去りをしていませんか？", "第三者からの通報が行われました。", REPORTED_CHANNEL_ID, 2);
     private static final NotificationContent BLUETOOTH_NOTIFICATION =
@@ -220,9 +220,8 @@ public class SurveillanceService extends Service {
                 editor.apply();
 
                 Log.d("nt", "レスポンスを検知しました1");
-                Log.d("SurveillanceService", "Bluetooth: "+sharedPreferences.getBoolean("BluetoothStatusLocal", false));
 
-                if (isInCar&&!sharedPreferences.getBoolean("BluetoothStatusLocal", false)) {
+                if (isInCar) {
                     if (Boolean.TRUE.equals(documentSnapshot.getBoolean("isReported"))) {
                         resetReported();
                         sendNotification(getApplicationContext(), REPORTED_NOTIFICATION);
@@ -317,32 +316,27 @@ public class SurveillanceService extends Service {
                 Log.d("BT_Judge", "Not registered device");
                 return;
             }
-            boolean isInCar = getSharedPreferences("app_situation", MODE_PRIVATE).getBoolean("change", false);
+            boolean isInCar = !getSharedPreferences("app_situation", MODE_PRIVATE).getBoolean("change", false);
-//            if (!isInCar) {
+            if (!isInCar) {
-//                Log.d("BT_Judge", "Not in car");
+                Log.d("BT_Judge", "Not in car");
-//                return;
+                return;
-//            }
+            }
             // -----------------------------------------------------
 
             // debug log
             Log.d("BT", "Bluetooth device found: " + deviceHardwareAddress);
             Log.d("BT", "Registered device: " + registeredId);
             Log.d("BT", "Is in car: " + isInCar);
-            SharedPreferences sharedPreferences = SurveillanceService.this.getSharedPreferences("app_situation", MODE_PRIVATE);
+
-            SharedPreferences.Editor E = sharedPreferences.edit();
             String action = intent.getAction(); // may need to chain this to a recognizing function
             if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
-                E.putBoolean("BluetoothStatusLocal", false);
                 // bluetoothが切断されたときに乗車状態のとき
-                if (isInCar) {
                 notificationRunnable = () -> {
                     // 5分経過した時点でも車に乗っていない場合
                     sendNotification(context, BLUETOOTH_NOTIFICATION);
                 };
-                }
                 handler.postDelayed(notificationRunnable, NOTIFICATION_DELAY);
             } else if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
-                E.putBoolean("BluetoothStatusLocal", true);
                 // 再接続された場合、通知をキャンセルする
                 if (notificationRunnable != null) {
                     handler.removeCallbacks(notificationRunnable);
@@ -350,8 +344,6 @@ public class SurveillanceService extends Service {
                     Log.d("BT", "Notification canceled due to reconnection");
                 }
             }
-            E.apply();
-            Log.d("SurveillanceService:BT", "Bluetooth status: " + sharedPreferences.getBoolean("BluetoothStatusLocal", false));
         }
     };
 

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

@@ -19,7 +19,7 @@
         app:layout_constraintTop_toTopOf="parent">
 
         <FrameLayout
-            android:id="@+id/car_situation_bg"
+            android:id="@+id/situation_bg"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:layout_marginLeft="20dp"
@@ -37,7 +37,7 @@
                 android:textSize="25dp" />
 
             <TextView
-                android:id="@+id/car_situation"
+                android:id="@+id/situation"
                 android:layout_width="match_parent"
                 android:layout_height="200dp"
                 android:layout_marginTop="10dp"