app/src/main/AndroidManifest.xml

@@ -8,7 +8,6 @@
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
-    <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

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

@@ -99,6 +99,20 @@ public class HomeFragment extends Fragment  {
         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();
+    }
+
     /**
      * 乗車状態の画面を切り替える
      */
@@ -171,5 +185,12 @@ 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

@@ -32,6 +32,7 @@ import com.google.firebase.firestore.FirebaseFirestore;
 import com.journeyapps.barcodescanner.ScanContract;
 import com.journeyapps.barcodescanner.ScanOptions;
 
+// Manifest
 import android.Manifest;
 
 import java.util.HashMap;
@@ -40,12 +41,15 @@ import java.util.Map;
 public class MainActivity extends AppCompatActivity {
 
     FirebaseFirestore db;
+
+
     DocumentReference mDocRef;
 
-    private HomeFragment homeFragment = HomeFragment.newInstance("test", "test");
+    private HomeFragment homeFragment = HomeFragment.newInstance("test", "test");;
 
     public static final String TAG = "InspirationQuote";
 
+
     private final ActivityResultLauncher<ScanOptions> QrLauncher = registerForActivityResult(
             new ScanContract(),
             result -> {
@@ -67,13 +71,13 @@ 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();
         e.putBoolean("connection_status", false);
 
-        // Check permissions
+
         if (!hasPermissions()) {
             requestPermissions();
         }
@@ -81,14 +85,15 @@ public class MainActivity extends AppCompatActivity {
         BottomNavigationView bottomNavigationView = findViewById(R.id.nav_view);
 
         this.homeFragment = HomeFragment.newInstance("test", "test");
-        if (savedInstanceState == null) {
+        if(savedInstanceState == null){
             getSupportFragmentManager().beginTransaction()
                     .replace(findViewById(R.id.fragmentContainerView).getId(), this.homeFragment)
                     .addToBackStack(null)
                     .commit();
         }
 
-        bottomNavigationView.setOnNavigationItemSelectedListener(v -> {
+        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);
@@ -96,6 +101,8 @@ public class MainActivity extends AppCompatActivity {
                         .replace(findViewById(R.id.fragmentContainerView).getId(), this.homeFragment)
                         .addToBackStack(null)
                         .commit();
+                //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);
@@ -123,18 +130,16 @@ public class MainActivity extends AppCompatActivity {
         intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
 
         db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
-
-        String btPermission = getBluetoothConnectPermission();
-        if (ActivityCompat.checkSelfPermission(this, btPermission) != PackageManager.PERMISSION_GRANTED) {
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
             Log.d("BT", "No permission to connect bluetooth devices");
             return;
         } else {
             Log.d("BT", "Permission to connect bluetooth devices granted");
-
-            registerReceiver(receiver, intentFilter);
-
-            startForegroundService(new Intent(this, SurveillanceService.class));
         }
+        registerReceiver(receiver, intentFilter);
+
+        startForegroundService(new Intent(this, SurveillanceService.class));
+
     }
 
 
@@ -142,21 +147,16 @@ public class MainActivity extends AppCompatActivity {
     protected void onResume() {
         super.onResume();
         Log.d("MainActivity onResume", "called");
+//        Log.d("MainActivity onResume", "mDocRef is null");
         firebaseLink();
     }
-
-    // 権限チェック用ヘルパーメソッドを追加
-    private String getBluetoothConnectPermission() {
-        return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) ?
-                Manifest.permission.BLUETOOTH_CONNECT :
-                Manifest.permission.BLUETOOTH;
-    }
-
     /**
      * 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();
         SharedPreferences.Editor E2 = sharedPreferences.edit();
         String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
@@ -168,104 +168,93 @@ public class MainActivity extends AppCompatActivity {
         Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
         if (!change) {
             //isInCarをtrueに更新
-            Log.d("MainActivity", "change:" + change);
+            Log.d("MainActivity", "change:"+change);
             E.putBoolean("change", true);
             E.apply();
-            Log.d("MainActivity", "change:" + sharedPreferences.getBoolean("change", false));
+            Log.d("MainActivity", "change:"+sharedPreferences.getBoolean("change",false));
         } else {
-            Log.d("MainActivity", "change:" + change);
+            Log.d("MainActivity", "change:"+change);
             E.putBoolean("change", false);
             E.apply();
-            Log.d("MainActivity", "change:" + sharedPreferences.getBoolean("change", false));
+            Log.d("MainActivity", "change:"+sharedPreferences.getBoolean("change",false));
         }
-        Log.d("MainActivity", "changeIsInCar: " + sharedPreferences.getBoolean("change", false));
-        isReported.update("isInCar", sharedPreferences.getBoolean("change", false))
-                .addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!!"))
-                .addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
-        E2.putBoolean("isInCarPref", sharedPreferences.getBoolean("change", false));
+        Log.d("MainActivity", "changeIsInCar: "+sharedPreferences.getBoolean("change",false));
+        isReported.update("isInCar", sharedPreferences.getBoolean("change",false)).addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
+        E2.putBoolean("isInCarPref", sharedPreferences.getBoolean("change",false));
         E2.apply();
     }
 
-    /**
-     * 権限の保有を確認する
-     * @return
-     */
-    private boolean hasPermissions() {
-        boolean allGranted = true;
+    private void updateIsInCarPref(DocumentReference mDocRef) {//サイト上で押されたボタンの管理
+        // 共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
+        Log.d("MainActivity", "updateIsInCarPref: called");
 
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-            // <= Android 11 (API 30)
-            allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH)
-                    == PackageManager.PERMISSION_GRANTED);
-            allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_ADMIN)
-                    == PackageManager.PERMISSION_GRANTED);
-        } else {
-            // >= Android 12 (API 31)
-            allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_SCAN)
-                    == PackageManager.PERMISSION_GRANTED);
-            allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT)
-                    == PackageManager.PERMISSION_GRANTED);
-        }
+        mDocRef.addSnapshotListener(this, (documentSnapshot, e) -> {
 
-        // Location
-        allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION)
-                == PackageManager.PERMISSION_GRANTED);
-        allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION)
-                == PackageManager.PERMISSION_GRANTED);
-
-        // >= Android 13 (API 32)
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
-            allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS)
-                    == PackageManager.PERMISSION_GRANTED);
-        }
-
-        // Others
-        allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.VIBRATE)
-                == PackageManager.PERMISSION_GRANTED);
-        allGranted &= (ActivityCompat.checkSelfPermission(this, Manifest.permission.FOREGROUND_SERVICE)
-                == PackageManager.PERMISSION_GRANTED);
-
-        return allGranted;
+            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();
+            //車の乗り降りを管理するtrue=乗車、false=降車
+            if (documentSnapshot.exists()) {//exists()でdocumentSnapshotの中のファイルの存在の確認
+//                Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragmentContainerView);
+//                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
+                E.putBoolean("isInCarPref", documentSnapshot.getBoolean("isInCar"));//乗降状態の更新
+                E.apply();//確定処理
+                Log.d("nt", "レスポンスを検知しました1");
+                //FireBaseで更新された情報の判定
+//                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
+//                    if (fragment instanceof HomeFragment) {//fragmentがHomeFragmentのインスタンスかの判定
+////                        changes-situation();//  changes-situation()メソッドを処理→アプリ側の乗降状態を変化
+////                        ((HomeFragment) fragment).onEvent(!isInCar);
+//                    }
+//                } 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
+//                    int importance = NotificationManager.IMPORTANCE_DEFAULT;
+//                    NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通報通知", importance);
+//                    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 &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_ADMIN) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_SCAN) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.VIBRATE) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.FOREGROUND_SERVICE) == PackageManager.PERMISSION_GRANTED;
     }
 
-    /**
-     * 権限のリクエストを行う
-     */
     private void requestPermissions() {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-            // <= Android 11 (API 30)
-            ActivityCompat.requestPermissions(this,
-                    new String[]{
-                            Manifest.permission.BLUETOOTH,
-                            Manifest.permission.BLUETOOTH_ADMIN,
-                            Manifest.permission.ACCESS_FINE_LOCATION,
-                            Manifest.permission.ACCESS_COARSE_LOCATION,
-                            Manifest.permission.VIBRATE,
-                            Manifest.permission.FOREGROUND_SERVICE,
-                    },
-                    2
-            );
-        } else {
-            // >= Android 12 (API 31)
-            ActivityCompat.requestPermissions(this,
-                    new String[]{
-                            Manifest.permission.BLUETOOTH_SCAN,
-                            Manifest.permission.BLUETOOTH_CONNECT,
-                            Manifest.permission.ACCESS_FINE_LOCATION,
-                            Manifest.permission.ACCESS_COARSE_LOCATION,
-                            Manifest.permission.POST_NOTIFICATIONS,
-                            Manifest.permission.VIBRATE,
-                            Manifest.permission.FOREGROUND_SERVICE
-                    },
-                    2
-            );
-        }
+        ActivityCompat.requestPermissions(this,
+                new String[]{
+                        Manifest.permission.BLUETOOTH,
+                        Manifest.permission.BLUETOOTH_ADMIN,
+                        Manifest.permission.BLUETOOTH_SCAN,
+                        Manifest.permission.BLUETOOTH_CONNECT,
+                        Manifest.permission.ACCESS_FINE_LOCATION,
+                        Manifest.permission.ACCESS_COARSE_LOCATION,
+                        Manifest.permission.POST_NOTIFICATIONS,
+                        Manifest.permission.VIBRATE,
+                        Manifest.permission.FOREGROUND_SERVICE
+                },
+                2);
     }
 
     @Override
-    public void onRequestPermissionsResult(int requestCode,
-                                           @NonNull String[] permissions,
-                                           @NonNull int[] grantResults) {
+    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
         if (requestCode == 2) {
             if (!hasPermissions()) {
@@ -274,27 +263,155 @@ 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) {
             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
         }
     }
+    /**
+     * 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));
+//    }
+
+
+
+    /**
+     * 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
+//    }
+
+//    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();
         intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
         intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
 
-        String btPermission = getBluetoothConnectPermission();
-        if (ActivityCompat.checkSelfPermission(this, btPermission) != PackageManager.PERMISSION_GRANTED) {
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
             Log.d("BT", "No permission to connect bluetooth devices");
             return;
         } else {
@@ -303,23 +420,26 @@ public class MainActivity extends AppCompatActivity {
         registerReceiver(receiver, intentFilter);
     }
 
+
     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);
             SharedPreferences.Editor e = pref.edit();
-            String action = intent.getAction();
+            String action = intent.getAction(); // may need to chain this to a recognizing function
             BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
-            boolean isInCar = pref.getBoolean("isInCarPref", false);
-            String btPermission = getBluetoothConnectPermission();
-            if (ActivityCompat.checkSelfPermission(context, btPermission) != PackageManager.PERMISSION_GRANTED) {
+            Boolean isInCar = pref.getBoolean("isInCarPref", false);
+            if (ActivityCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
                 Log.d("BT", "No permission to connect bluetooth devices");
                 return;
             }
             String deviceHardwareAddress = device.getAddress(); // MAC address
 
-            String registeredId = PreferenceManager.getDefaultSharedPreferences(getApplicationContext())
-                    .getString("bluetooth_device_id", "none");
+            String registeredId = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("bluetooth_device_id", "none");
 
             if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
                 //Bluetoothデバイスが接続されたときの処理
@@ -332,9 +452,14 @@ public class MainActivity extends AppCompatActivity {
                     Log.d("BT_Judge", "登録済み");
                     changeBluetooth(true);
                     e.putBoolean("connection_status", true);
-                    if (homeFragment != null && homeFragment.isVisible()) {
+                    if(homeFragment == null ){
+                        Log.d("bluetooth", "homeFragment: null");
+                    }
+
+                    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");
@@ -342,10 +467,11 @@ public class MainActivity extends AppCompatActivity {
                 }
                 e.apply();
 
-            } else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
+            }else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
                 //bluetoothデバイスが切断されたときの処理
                 changeBluetooth(false);
-                if (homeFragment != null && homeFragment.isVisible()) {
+                Log.d("bluetooth", "homeFragment: "+homeFragment);
+                if(homeFragment != null && homeFragment.isVisible()){
                     homeFragment.updateBluetoothSituation(false);
                 }
             }
@@ -356,9 +482,7 @@ public class MainActivity extends AppCompatActivity {
      * Bluetoothの接続状態を変更するメソッド
      */
     public void changeBluetooth(boolean actual) {
-        getSharedPreferences("Bluetooth_situation", MODE_PRIVATE)
-                .edit()
-                .putBoolean("status", actual)
-                .apply();
+        getSharedPreferences("Bluetooth_situation", MODE_PRIVATE).edit().putBoolean("status", actual).apply();
     }
 }
+

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

@@ -1,6 +1,5 @@
 package com.example.childguard;
 
-import android.Manifest;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.app.NotificationManager;
@@ -13,7 +12,6 @@ import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.SharedPreferences;
 import android.content.pm.PackageManager;
-import android.os.Build;
 import android.os.Handler;
 import android.os.IBinder;
 import android.os.VibrationEffect;
@@ -69,9 +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 =
@@ -171,8 +169,7 @@ public class SurveillanceService extends Service {
      * @return Bluetoothの権限の有無 true: 許可されていない false: 許可されている
      */
     private boolean isNotBluetoothGranted() {
-        String btPermission = getBluetoothConnectPermission();
-        if (ActivityCompat.checkSelfPermission(this, btPermission) != PackageManager.PERMISSION_GRANTED) {
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
             Log.d(TAG, "Bluetoothの権限が許可されていません");
             return true;
         } else {
@@ -193,16 +190,6 @@ public class SurveillanceService extends Service {
         registerReceiver(receiver, intentFilter);
     }
 
-    /**
-     * Bluetoothの接続権限を取得
-     * @return Bluetoothの接続権限
-     */
-    private String getBluetoothConnectPermission() {
-        return (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) ?
-                android.Manifest.permission.BLUETOOTH_CONNECT :
-                Manifest.permission.BLUETOOTH;
-    }
-
     /**
      * Firestoreのスナップショットリスナーを設定
      * @param mDocRef Firestoreのドキュメントリファレンス

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

@@ -7,7 +7,6 @@ import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothManager;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.os.Build;
 import android.os.Bundle;
 
 import androidx.core.app.ActivityCompat;
@@ -24,7 +23,6 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
-import android.widget.Toast;
 
 import java.util.ArrayList;
 import java.util.Objects;
@@ -93,36 +91,15 @@ public class bluetooth_setupFragment extends Fragment {
         }
 
 
-//        if (ActivityCompat.checkSelfPermission(requireActivity().getApplicationContext(), android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
-//            // TODO: Consider calling
-//            //    ActivityCompat#requestPermissions
-//            // here to request the missing permissions, and then overriding
-//            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
-//            //                                          int[] grantResults)
-//            // to handle the case where the user grants the permission. See the documentation
-//            // for ActivityCompat#requestPermissions for more details.
-//            return view;
-//        }
-
-        // >= Android 12
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-            if (ActivityCompat.checkSelfPermission(requireActivity().getApplicationContext(), android.Manifest.permission.BLUETOOTH) != PackageManager.PERMISSION_GRANTED) {
-                Log.w("Bluetooth", "Permission not granted(Android 12-)");
-                // show toast then force close the app (Workaround)
-                Toast.makeText(requireActivity().getApplicationContext(), "Bluetoothの権限が必須です!", Toast.LENGTH_SHORT).show();
-                requireActivity().finish();
-            } else {
-                Log.w("Bluetooth", "Permission granted(Android 12-)");
-            }
-        } else {
-            if (ActivityCompat.checkSelfPermission(requireActivity().getApplicationContext(), android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
-                Log.w("Bluetooth", "Permission not granted(Android 12+)");
-                // show toast then force close the app (Workaround)
-                Toast.makeText(requireActivity().getApplicationContext(), "Bluetoothの権限が必須です!", Toast.LENGTH_SHORT).show();
-                requireActivity().finish();
-            } else {
-                Log.w("Bluetooth", "Permission granted(Android 12+)");
-            }
+        if (ActivityCompat.checkSelfPermission(requireActivity().getApplicationContext(), android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
+            // TODO: Consider calling
+            //    ActivityCompat#requestPermissions
+            // here to request the missing permissions, and then overriding
+            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
+            //                                          int[] grantResults)
+            // to handle the case where the user grants the permission. See the documentation
+            // for ActivityCompat#requestPermissions for more details.
+            return view;
         }
         Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
 

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

@@ -1,74 +1,56 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    android:padding="16dp"
-    tools:context=".SettingFragment">
+    tools:context=".SettingFragment"
+    android:padding="16dp">
+
+
+    <ImageView
+        android:src="@drawable/bluetooth_and_qr2"
+        android:layout_gravity="center_horizontal"
+        android:layout_width="wrap_content"
+        android:layout_height="200dp"
+        android:layout_marginTop="150dp"
+        />
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textColor="@color/black"
+        android:text="QRコード印刷とBluetooth設定"
+        android:layout_gravity="center_horizontal"
+        android:textStyle="bold"
+        android:textSize="18dp"
+        android:layout_marginTop="20dp"
+        />
+
+    <Button
+        android:id="@+id/button_bluetooth_setting"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="Bluetooth設定"
+        android:layout_marginTop="120dp"
+        android:layout_marginBottom="20dp"/>
+
+    <Button
+        android:id="@+id/button_print_qr"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="QRコード印刷"/>
 
 
     <LinearLayout
-        android:id="@+id/linearLayout"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
-
-        <ImageView
-            android:layout_width="wrap_content"
-            android:layout_height="200dp"
-            android:layout_gravity="center_horizontal"
-            android:src="@drawable/bluetooth_and_qr2" />
+        android:layout_height="match_parent"
+        android:gravity="bottom">
 
         <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center_horizontal"
-            android:layout_marginTop="20dp"
-            android:text="QRコード印刷とBluetooth設定"
-            android:textColor="@color/black"
-            android:textSize="18dp"
-            android:textStyle="bold" />
-
-        <Button
-            android:id="@+id/button_bluetooth_setting"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginTop="120dp"
-            android:layout_marginBottom="20dp"
-            android:text="Bluetooth設定" />
-
-        <Button
-            android:id="@+id/button_print_qr"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="QRコード印刷" />
-
+            android:text="QRコードは株式会社デンソーウェーブの登録商標です"
+            android:textColor="@color/black" />
     </LinearLayout>
 
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:gravity="bottom"
-        app:layout_constraintBottom_toTopOf="@+id/linearLayout"
-        tools:layout_editor_absoluteX="16dp">
-
-    </LinearLayout>
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="QRコードは株式会社デンソーウェーブの登録商標です"
-        android:textColor="@color/black"
-        android:textSize="12sp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
-
-
-</androidx.constraintlayout.widget.ConstraintLayout>
+</LinearLayout>