.idea/gradle.xml

@@ -5,6 +5,7 @@
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
         <option name="testRunner" value="GRADLE" />
+        <option name="distributionType" value="DEFAULT_WRAPPED" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
         <option name="gradleJvm" value="jbr-17" />
         <option name="modules">

.idea/kotlinc.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="KotlinJpsPluginSettings">
-    <option name="version" value="1.7.20" />
-  </component>
-</project>

.idea/misc.xml

@@ -1,6 +1,6 @@
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">

app/build.gradle

@@ -1,7 +1,5 @@
 plugins {
     id 'com.android.application'
-    id 'org.jetbrains.kotlin.android'
-    id 'com.google.gms.google-services'
 }
 
 android {
@@ -16,9 +14,6 @@ android {
         versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
-        vectorDrawables {
-            useSupportLibrary true
-        }
     }
 
     buildTypes {
@@ -31,20 +26,6 @@ android {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
-    kotlinOptions {
-        jvmTarget = '1.8'
-    }
-    buildFeatures {
-        compose true
-    }
-    composeOptions {
-        kotlinCompilerExtensionVersion '1.3.2'
-    }
-    packagingOptions {
-        resources {
-            excludes += '/META-INF/{AL2.0,LGPL2.1}'
-        }
-    }
 }
 
 dependencies {
@@ -52,26 +33,9 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.6.1'
     implementation 'com.google.android.material:material:1.5.0'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
-    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'
-    implementation 'androidx.activity:activity-compose:1.5.1'
-    implementation platform('androidx.compose:compose-bom:2022.10.00')
-    implementation 'androidx.compose.ui:ui'
-    implementation 'androidx.compose.ui:ui-graphics'
-    implementation 'androidx.compose.ui:ui-tooling-preview'
-    implementation 'androidx.compose.material3:material3'
-    implementation 'com.google.firebase:firebase-firestore:24.4.1'
 
-    // Import the BoM for the Firebase platform
-    implementation(platform("com.google.firebase:firebase-bom:32.7.0"))
-
-    // Declare the dependency for the Cloud Firestore library
-    // When using the BoM, you don't specify versions in Firebase library dependencies
-    implementation("com.google.firebase:firebase-firestore")
 
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.5'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
-    implementation 'com.journeyapps:zxing-android-embedded:4.3.0'//QR用zxingライブラリ
-
-    implementation 'androidx.browser:browser:1.5.0'
 }

app/google-services.json

@@ -1,67 +0,0 @@
-{
-  "project_info": {
-    "project_number": "814788024795",
-    "project_id": "practicefirestore1-8808c",
-    "storage_bucket": "practicefirestore1-8808c.appspot.com"
-  },
-  "client": [
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:814788024795:android:79602ef613cc9860c76ffe",
-        "android_client_info": {
-          "package_name": "com.example.childguard"
-        }
-      },
-      "oauth_client": [],
-      "api_key": [
-        {
-          "current_key": "AIzaSyAVpoftIYGZwiPRpuI56hoV8ifA2rbZGb4"
-        }
-      ],
-      "services": {
-        "appinvite_service": {
-          "other_platform_oauth_client": []
-        }
-      }
-    },
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:814788024795:android:7c572a838331bba1c76ffe",
-        "android_client_info": {
-          "package_name": "com.example.connecttointernet"
-        }
-      },
-      "oauth_client": [],
-      "api_key": [
-        {
-          "current_key": "AIzaSyAVpoftIYGZwiPRpuI56hoV8ifA2rbZGb4"
-        }
-      ],
-      "services": {
-        "appinvite_service": {
-          "other_platform_oauth_client": []
-        }
-      }
-    },
-    {
-      "client_info": {
-        "mobilesdk_app_id": "1:814788024795:android:67c86939b6350f02c76ffe",
-        "android_client_info": {
-          "package_name": "com.example.practicefirestore1"
-        }
-      },
-      "oauth_client": [],
-      "api_key": [
-        {
-          "current_key": "AIzaSyAVpoftIYGZwiPRpuI56hoV8ifA2rbZGb4"
-        }
-      ],
-      "services": {
-        "appinvite_service": {
-          "other_platform_oauth_client": []
-        }
-      }
-    }
-  ],
-  "configuration_version": "1"
-}

app/release/output-metadata.json

@@ -1,20 +0,0 @@
-{
-  "version": 3,
-  "artifactType": {
-    "type": "APK",
-    "kind": "Directory"
-  },
-  "applicationId": "com.example.childguard",
-  "variantName": "release",
-  "elements": [
-    {
-      "type": "SINGLE",
-      "filters": [],
-      "attributes": [],
-      "versionCode": 1,
-      "versionName": "1.0",
-      "outputFile": "app-release.apk"
-    }
-  ],
-  "elementType": "File"
-}

app/src/main/AndroidManifest.xml

@@ -2,15 +2,8 @@
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools">
 
-    <uses-permission android:name="android.permission.BLUETOOTH" />
-    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
-    <uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
-    <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.POST_NOTIFICATIONS" />
     <uses-permission android:name="android.permission.VIBRATE" />
-    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <application
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
@@ -21,11 +14,6 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.ChildGuard"
         tools:targetApi="31">
-        <activity
-            android:name=".First_Start"
-            android:exported="false"
-            android:label="@string/title_activity_first_start"
-            android:theme="@style/Theme.ChildGuard" />
         <activity
             android:name=".MainActivity"
             android:exported="true">
@@ -35,7 +23,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <service android:name=".SurveillanceService" />
     </application>
 
 </manifest>

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

@@ -1,18 +0,0 @@
-package com.example.childguard;
-
-import android.annotation.SuppressLint;
-import android.os.Bundle;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class First_Start extends AppCompatActivity {
-
-
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.first_start);
-
-
-    }
-
-}

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

@@ -1,70 +0,0 @@
-package com.example.childguard;
-
-import android.graphics.Bitmap;
-import android.graphics.drawable.BitmapDrawable;
-import android.os.Bundle;
-
-import androidx.fragment.app.Fragment;
-import androidx.print.PrintHelper;
-
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.ImageView;
-import android.widget.Toast;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link GenerateQrFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-public class GenerateQrFragment extends Fragment {
-
-    public GenerateQrFragment() {
-        // Required empty public constructor
-    }
-
-    public static GenerateQrFragment newInstance(String key) {
-        GenerateQrFragment fragment = new GenerateQrFragment();
-        Bundle args = new Bundle();
-        args.putString("key", key);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_generate_qr, container, false);
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-
-        QrUtils qrUtils = new QrUtils();
-
-        assert getArguments() != null;
-        Bitmap result = qrUtils.setContext(getContext()).getBitmap(getArguments().getString("key"));
-
-        ImageView imageView = view.findViewById(R.id.result_bitmap_image_view);
-        imageView.setImageBitmap(result);
-
-        view.findViewById(R.id.button_print).setOnClickListener(v -> {
-            PrintHelper photoPrinter = new PrintHelper(requireContext());
-            photoPrinter.setScaleMode(PrintHelper.SCALE_MODE_FIT);
-            photoPrinter.printBitmap("placeholder", result, () -> {
-                Toast.makeText(getContext(), "印刷完了", Toast.LENGTH_SHORT).show();
-            });
-        });
-
-        view.findViewById(R.id.button_cancel).setOnClickListener(v -> {
-            getParentFragmentManager().popBackStack();
-        });
-    }
-}

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

@@ -1,26 +1,26 @@
 package com.example.childguard;
 
 import android.content.SharedPreferences;
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+
+import androidx.core.content.res.ResourcesCompat;
+import androidx.fragment.app.Fragment;
+
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.FrameLayout;
-import android.widget.ImageView;
 import android.widget.TextView;
 
-import androidx.core.content.res.ResourcesCompat;
-import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentManager;
-import androidx.fragment.app.FragmentTransaction;
-
 /**
  * A simple {@link Fragment} subclass.
  * Use the {@link HomeFragment#newInstance} factory method to
  * create an instance of this fragment.
  */
-public class HomeFragment extends Fragment  {
+public class HomeFragment extends Fragment {
 
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
@@ -28,13 +28,9 @@ public class HomeFragment extends Fragment  {
     private static final String ARG_PARAM2 = "param2";
 
     // TODO: Rename and change types of parameters
-    private String str_key;
+    private String mParam1;
     private String mParam2;
 
-    final String GET_ON = "\n乗車状態";
-    final String GET_OFF = "\n降車状態";
-
-
     public HomeFragment() {
         // Required empty public constructor
     }
@@ -60,116 +56,38 @@ public class HomeFragment extends Fragment  {
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-
         if (getArguments() != null) {
-            // mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam1 = getArguments().getString(ARG_PARAM1);
             mParam2 = getArguments().getString(ARG_PARAM2);
         }
-
-
     }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_home, container, false);
-
-        return view;
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_home, container, false);
     }
 
-
     @Override
     public void onResume() {
         super.onResume();
         Log.d("HomeFragment", "onResume: called");
-        Log.d("isIncar", "onResume: " + getIsInCarLocal());
-        this.updateUiState(getIsInCarLocal());
-        this.updateBluetoothSituation(isBluetoothConnected());
+        TextView situationTextView = getView().findViewById(R.id.situation);
+        FrameLayout situation_bg=getView().findViewById(R.id.situation_bg);
+        updateInCarStatus(situationTextView,situation_bg);
     }
 
-    private boolean isBluetoothConnected() {
-        SharedPreferences pref = requireActivity().getSharedPreferences("Bluetooth_situation", requireActivity().MODE_PRIVATE);
-        return pref.getBoolean("status", false);
-    }
+    public void updateInCarStatus(TextView situationTextView,FrameLayout situation_bg) {
+        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("default", 0);
 
-    private boolean getIsInCarLocal() {
-        SharedPreferences pref = requireActivity().getSharedPreferences("app_situation", requireActivity().MODE_PRIVATE);
-        Boolean isInCar = pref.getBoolean("isInCarPref", false);
-        Log.d("isInCarPref","isInCar"+ isInCar);
-        return isInCar;
-    }
-
-    /**
-     * 乗車状態の画面を切り替える
-     */
-    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);
-            fl = requireView().findViewById(R.id.car_situation_bg);
-        } catch (NullPointerException e) {
-            Log.d("HomeFragment", "updateUiState: view is null");
-            return false;
-        } catch (IllegalStateException e) {
-            Log.d("HomeFragment", "updateUiState: view is not attached");
-            getParentFragmentManager().beginTransaction().replace(R.id.fragmentContainerView, HomeFragment.newInstance("test", "test")).commit();
-            updateUiState(isInCar);
-            return false;
-        }
-
-        if (isInCar) {
-            //乗車状態にする
-            fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
-            tv.setText(GET_ON);
+        Log.d("HomeFragment", "updateInCarStatus: " + sharedPreferences.getBoolean("inCar", false));
+        if (sharedPreferences.getBoolean("inCar", false)) {
+            situationTextView.setText("\n降車状態");
+            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
         } else {
-            //降車状態にする
-            fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
-            tv.setText(GET_OFF);
+            situationTextView.setText("\n乗車状態");
+            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
         }
-
-        return true;
     }
-
-    /**
-     * Bluetoothの接続状態の画面を切り替える
-     */
-    boolean updateBluetoothSituation(Boolean BluetoothConnect) {
-        FrameLayout frameLayout;
-        TextView textView;
-        ImageView imageView;
-        try {
-            frameLayout = requireView().findViewById(R.id.situation_bg_bluetooth);
-            textView = requireView().findViewById(R.id.BluetoothSituation);
-            imageView = requireView().findViewById(R.id.BluetoothSituationImage);
-        } catch (NullPointerException e) {
-            Log.d("HomeFragment", "updateUiState: view is null");
-            return false;
-        } catch (IllegalStateException e) {
-            Log.d("HomeFragment", "updateUiState: view is not attached");
-            getParentFragmentManager().beginTransaction().replace(R.id.fragmentContainerView, HomeFragment.newInstance("test", "test")).commit();
-            updateBluetoothSituation(BluetoothConnect);
-            return false;
-        }
-        final String CONNECT = "接続中";
-        final String DISCONNECT = "切断中";
-        if (BluetoothConnect) {
-            //接続状態にする
-            frameLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
-            textView.setText(CONNECT);
-            imageView.setVisibility(View.GONE);
-        } else {
-            //切断状態にする
-            frameLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
-            textView.setText(DISCONNECT);
-            imageView.setVisibility(View.VISIBLE);
-        }
-
-        return true;
-    }
-
-}
-
+}

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

@@ -1,313 +1,80 @@
 package com.example.childguard;
 
-import android.annotation.SuppressLint;
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.bluetooth.BluetoothDevice;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.graphics.Color;
-import android.os.Build;
-import android.os.Bundle;
-import android.os.Vibrator;
-import android.preference.PreferenceManager;
-import android.util.Log;
-import android.widget.FrameLayout;
-import android.widget.Toast;
-
-import androidx.activity.result.ActivityResultLauncher;
-import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.core.app.ActivityCompat;
 import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.os.Vibrator;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
-import com.google.firebase.firestore.DocumentReference;
-import com.google.firebase.firestore.FirebaseFirestore;
-import com.journeyapps.barcodescanner.ScanContract;
-import com.journeyapps.barcodescanner.ScanOptions;
-
-// Manifest
-import android.Manifest;
-
-import java.util.HashMap;
-import java.util.Map;
 
 public class MainActivity extends AppCompatActivity {
-
-    FirebaseFirestore db;
-
-
-    DocumentReference mDocRef;
-
-    private HomeFragment homeFragment = HomeFragment.newInstance("test", "test");;
-
-    public static final String TAG = "InspirationQuote";
-
-
-    private final ActivityResultLauncher<ScanOptions> QrLauncher = registerForActivityResult(
-            new ScanContract(),
-            result -> {
-                String contents = result.getContents();
-                if (contents == null) {
-                    Toast.makeText(this, "QRコードが読み取れませんでした", Toast.LENGTH_LONG).show();
-                } else {
-                    if (!contents.contains("https://practicefirestore1-8808c.web.app/")) {
-                        Toast.makeText(this, "Child Guardに対応するQRコードではありません", Toast.LENGTH_LONG).show();
-                    } else {
-                        changeIsInCar();
-                    }
-                }
-            }
-    );
-
-    @SuppressLint("MissingInflatedId")
     @Override
     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);
 
+        //通知のやつ↓
+        int importance = NotificationManager.IMPORTANCE_DEFAULT;
+
+        NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "サンプルアプリ", importance);
+        channel.setDescription("説明・説明　ここに通知の説明を書くことができる");
+
+        NotificationManager notificationManager = getSystemService(NotificationManager.class);
+        notificationManager.createNotificationChannel(channel);
+        //通知のやつ↑
 
-        if (!hasPermissions()) {
-            requestPermissions();
-        }
 
         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 ->
-        {
+        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)
+                        .replace(findViewById(R.id.fragmentContainerView).getId(), HomeFragment.newInstance("test", "tset"))
                         .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);
+            } else if (v.getItemId() == findViewById(R.id.navigation_QR).getId()) {
                 getSupportFragmentManager().beginTransaction()
-                        .replace(findViewById(R.id.fragmentContainerView).getId(), SettingFragment.newInstance())
-                        .addToBackStack(null)
+                        .replace(findViewById(R.id.fragmentContainerView).getId(), QRFragment.newInstance("test", "tset"))
+                        .commit();
+            } else if (v.getItemId() == findViewById(R.id.navigation_notification).getId()) {
+                getSupportFragmentManager().beginTransaction()
+                        .replace(findViewById(R.id.fragmentContainerView).getId(), NotificationFragment.newInstance("test", "test"))
                         .commit();
             }
-            firebaseLink();
-            Bluetooth_status();
+
             return true;
+
         });
+    }
 
-        findViewById(R.id.fab_scan_qr_code).setOnClickListener(v -> {
-            Log.d("MainActivity/Fab", "onClick: called");
-            //QRリーダ起動
-            ScanOptions options = new ScanOptions();
-            options.setPrompt("QRコードを読み取ってください");
-            QrLauncher.launch(options);
-        });
+    //↓通知のやつ
+    public void notifyTest() {
+        ((Vibrator)getSystemService(Context.VIBRATOR_SERVICE)).vibrate(1000);
+        NotificationCompat.Builder builder = new NotificationCompat
+                .Builder(this, "CHANNEL_ID")
+                .setSmallIcon(android.R.drawable.ic_menu_info_details)
+                .setContentTitle("タイトル")
+                .setContentText("メッセージ・メッセージ")
+                .setPriority(NotificationCompat.PRIORITY_DEFAULT);
 
-        //Bluetooth検知機能
-        IntentFilter intentFilter = new IntentFilter();
-        intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
-        intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
+        NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
 
-        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
-        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
-            Log.d("BT", "No permission to connect bluetooth devices");
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != 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;
-        } else {
-            Log.d("BT", "Permission to connect bluetooth devices granted");
         }
-        registerReceiver(receiver, intentFilter);
-
-        //startForegroundService(new Intent(this, SurveillanceService.class));
-
+        notificationManager.notify(R.string.app_name, builder.build());
     }
-
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-        Log.d("MainActivity onResume", "called");
-//        Log.d("MainActivity onResume", "mDocRef is null");
-        firebaseLink();
-    }
-    /**
-     * 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
-        Log.d("MainActivity", "changeIsInCar: ID= " + IdPref);
-        boolean change = sharedPreferences.getBoolean("change", false);
-        Log.d("MainActivity", "changeIsInCar: " + change);
-        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
-            Log.d("MainActivity", "change:"+change);
-            E.putBoolean("change", true);
-            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));
-        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();
-    }
-
-
-
-    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;
-    }
-
-    private void requestPermissions() {
-        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) {
-        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
-        if (requestCode == 2) {
-            if (!hasPermissions()) {
-                Toast.makeText(this, "Permissions not granted.", Toast.LENGTH_SHORT).show();
-            }
-        }
-    }
-
-
-    /**
-     * 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
-        }
-    }
-
-    public void Bluetooth_status() {
-        IntentFilter intentFilter = new IntentFilter();
-        intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
-        intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
-
-        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);
-    }
-
-
-    private final BroadcastReceiver receiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            SharedPreferences pref = getSharedPreferences("Bluetooth_situation", MODE_PRIVATE);
-            SharedPreferences.Editor e = pref.edit();
-            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);
-            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");
-
-            if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
-                //Bluetoothデバイスが接続されたときの処理
-                Log.d("BT", "Device connected");
-
-                Log.d("BT_Judge", "Registered: " + registeredId);
-
-                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");
-                    e.putBoolean("connection_status", false);
-                }
-                e.apply();
-
-            }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()){
-                    homeFragment.updateBluetoothSituation(false);
-                }
-            }
-        }
-    };
-
-    /**
-     * 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();
-    }
-}
-
+}

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

@@ -0,0 +1,64 @@
+package com.example.childguard;
+
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link NotificationFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class NotificationFragment extends Fragment {
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public NotificationFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment NotificationFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static NotificationFragment newInstance(String param1, String param2) {
+        NotificationFragment fragment = new NotificationFragment();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        return inflater.inflate(R.layout.fragment_notification, container, false);
+    }
+}

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

@@ -1,17 +0,0 @@
-package com.example.childguard;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-
-public class NotificationReceiver extends BroadcastReceiver {//通知をタップしたときにアプリを起動する処理
-
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        if (intent.getAction() != null && intent.getAction().equals("OPEN_ACTIVITY")) {// 通知がタップされたときの処理
-            Intent openIntent = new Intent(context, MainActivity.class);   // MainActivityを起動
-            openIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            context.startActivity(openIntent);
-        }
-    }
-}

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

@@ -1,6 +0,0 @@
-package com.example.childguard;
-
-public interface OnEventListener {
-
-    boolean onEvent(boolean state);
-}

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

@@ -0,0 +1,33 @@
+package com.example.childguard;
+
+import android.graphics.Color;
+import android.graphics.drawable.Drawable;
+import android.os.Bundle;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class QR extends AppCompatActivity {
+    String get_on="乗車状態";
+    String get_off ="降車状態";
+    TextView tv=findViewById(R.id.situation);
+    @Override
+    protected void onCreate(Bundle savedInstanceState){
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.fragment_qr);
+
+        findViewById(R.id.camera).setOnClickListener(
+                v -> {
+                    if(get_on.equals(tv.getText().toString())){
+                        tv.setText(get_off);
+                        findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#dcdcdc"));
+                    }
+                    else {
+                        tv.setText(get_on);
+                        findViewById(R.id.situation_bg).setBackgroundColor(Color.parseColor("#ff4500"));
+                    }
+                }
+        );
+    }
+
+}

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

@@ -0,0 +1,88 @@
+package com.example.childguard;
+
+import android.content.SharedPreferences;
+import android.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.Button;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link QRFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class QRFragment extends Fragment {
+
+    // TODO: Rename parameter arguments, choose names that match
+    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+    private static final String ARG_PARAM1 = "param1";
+    private static final String ARG_PARAM2 = "param2";
+
+    // TODO: Rename and change types of parameters
+    private String mParam1;
+    private String mParam2;
+
+    public QRFragment() {
+        // Required empty public constructor
+    }
+
+    /**
+     * Use this factory method to create a new instance of
+     * this fragment using the provided parameters.
+     *
+     * @param param1 Parameter 1.
+     * @param param2 Parameter 2.
+     * @return A new instance of fragment QRFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static QRFragment newInstance(String param1, String param2) {
+        QRFragment fragment = new QRFragment();
+        Bundle args = new Bundle();
+        args.putString(ARG_PARAM1, param1);
+        args.putString(ARG_PARAM2, param2);
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        if (getArguments() != null) {
+            mParam1 = getArguments().getString(ARG_PARAM1);
+            mParam2 = getArguments().getString(ARG_PARAM2);
+        }
+
+
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+                             Bundle savedInstanceState) {
+        // Inflate the layout for this fragment
+        View view = inflater.inflate(R.layout.fragment_qr, container, false);
+
+        Button cameraButton = view.findViewById(R.id.camera);
+
+        // Init shared preferences
+        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("default", 0);
+        SharedPreferences.Editor editor = sharedPreferences.edit();
+
+        cameraButton.setOnClickListener(v -> {
+            Log.d("QRFragment", "onClick: called");
+            if (!sharedPreferences.getBoolean("inCar", false)) {
+                editor.putBoolean("inCar", true);
+            } else {
+                editor.putBoolean("inCar", false);
+            }
+            editor.apply();
+        });
+
+        return view;
+    }
+
+}

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

@@ -1,74 +0,0 @@
-package com.example.childguard;
-
-import android.content.Context;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.util.AndroidRuntimeException;
-import android.util.DisplayMetrics;
-import android.util.Log;
-import android.view.WindowManager;
-
-import com.google.zxing.BarcodeFormat;
-import com.google.zxing.WriterException;
-import com.journeyapps.barcodescanner.BarcodeEncoder;
-
-public class QrUtils {
-
-    private Context context;
-
-    public QrUtils setContext(Context context) {
-        this.context = context;
-        return this;
-    }
-
-    public Bitmap getBitmap(String key) {
-        Log.d("getBitmap", "getBitmap: " + key);
-        String fixationURL = "https://practicefirestore1-8808c.web.app/?id=";
-        //すべてのドメイン
-        String AllURL;
-        //IdPrefにの値が初期値の場合
-        AllURL = fixationURL + key;
-
-
-        int qrCodeSize = calculateQRCodeSize(); // 画面密度に応じてサイズを計算
-        Bitmap QRImage;
-        Bitmap bitmapQR;
-        try {
-            //QRコード生成
-            BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
-            bitmapQR = barcodeEncoder.encodeBitmap(AllURL, BarcodeFormat.QR_CODE, qrCodeSize, qrCodeSize);
-        } catch (WriterException e) {
-            throw new AndroidRuntimeException("Barcode Error.", e);
-        }
-        // 画像合成の準備
-        Bitmap bitmap = BitmapFactory.decodeResource(this.context.getResources(), R.drawable.a_group_qr_sos_2);
-        int width = bitmap.getWidth();
-        int height = bitmap.getHeight();
-        QRImage = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
-
-        // Canvasの準備
-        Canvas canvas = new Canvas(QRImage);
-
-        // 画像のサイズの調整
-        int disWidth = (width - bitmapQR.getWidth()) / 2;
-        int disHeight = (int) ((height - bitmapQR.getHeight()) / 1.5);
-        canvas.drawBitmap(bitmap, 0, 0, (Paint) null);
-        canvas.drawBitmap(bitmapQR, disWidth, disHeight, (Paint) null); // 画像合成
-        //Androidからプリンターへ印刷指示を出すサポートライブラリ
-        return QRImage;
-    }
-
-    private int calculateQRCodeSize() {
-        // 画面解像度を取得
-        DisplayMetrics metrics = new DisplayMetrics();
-        WindowManager windowManager = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
-        windowManager.getDefaultDisplay().getMetrics(metrics);
-
-        // 画面密度に基づいてQRコードのサイズを計算
-        float density = context.getResources().getDisplayMetrics().density;
-        return (int) (700 * density);
-    }
-
-}

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

@@ -1,88 +0,0 @@
-package com.example.childguard;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.appcompat.app.AlertDialog;
-import androidx.recyclerview.widget.RecyclerView;
-
-import java.util.ArrayList;
-
-public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ItemViewHolder> {
-
-    ArrayList<String[]> deviceList;
-
-    Context applicationContext;
-    View parentView;
-
-
-    // Constructor
-    public RecyclerAdapter(ArrayList<String[]> deviceList, Context applicationContext, View parentView) {
-        // Init
-        Log.d("RecyclerAdapter", "Constructor called");
-        this.deviceList = deviceList;
-        this.applicationContext = applicationContext;
-        this.parentView = parentView;
-
-    }
-
-    @NonNull
-    @Override
-    public RecyclerAdapter.ItemViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-        LayoutInflater inflater = LayoutInflater.from(parent.getContext());
-        View itemView = inflater.inflate(R.layout.recycler_row, parent, false);
-        return new ItemViewHolder(itemView);
-    }
-
-    @Override
-    public void onBindViewHolder(@NonNull ItemViewHolder holder, int position) {
-        holder.textView.setText(deviceList.get(position)[0]);
-        holder.textView.setOnClickListener(v -> {
-
-            // アラートダイアログを表示
-            new AlertDialog.Builder(v.getContext())
-                    .setTitle("登録")
-                    .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();
-                        //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();
-
-                        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"));
-
-
-                    })
-                    .setNegativeButton(android.R.string.cancel, null)
-                    .show();
-        });
-    }
-
-    @Override
-    public int getItemCount() {
-        return deviceList.size();
-    }
-
-    static class ItemViewHolder extends RecyclerView.ViewHolder {
-        TextView textView;
-
-        public ItemViewHolder(@NonNull View itemView) {
-            super(itemView);
-            textView = itemView.findViewById(R.id.textView1);
-        }
-    }
-
-}
-

app/src/main/java/com/example/childguard/RecyclerAdapter2.java

@@ -1,86 +0,0 @@
-package com.example.childguard;
-
-import android.content.Context;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-import android.widget.Toast;
-
-import androidx.annotation.NonNull;
-import androidx.recyclerview.widget.RecyclerView;
-
-import java.util.ArrayList;
-
-//RecyclerView.Adapterクラスを継承
-public class RecyclerAdapter2 extends RecyclerView.Adapter<ItemViewHolder> {
-
-    ArrayList<String> arrayList;
-
-    //RecyclerAdapterのコンストラクタ
-    public RecyclerAdapter2(ArrayList<String> arrayList, Context applicationContext) {
-        this.arrayList = arrayList;
-    }
-
-    //新しいViewHolderを生成すると呼び出される
-    @NonNull
-    @Override
-    public ItemViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
-
-        //recycler_row.xmlをactivity_main.xmlの部品にする
-        View view = LayoutInflater.from(parent.getContext())
-                .inflate(R.layout.recycler_row, parent, false);
-
-        //新しいViewHolderを作成
-        //ItemViewHolderクラスを呼び出す
-        ItemViewHolder holder = new ItemViewHolder(view);
-
-        //クリックイベントを登録
-        holder.itemView.setOnClickListener(v -> {
-            //クリックされた行を取得
-            int position = holder.getAdapterPosition();
-
-            //クリックされた文字をトースト表示
-            Toast.makeText(v.getContext(), arrayList.get(position), Toast.LENGTH_SHORT).show();
-
-            //クリックされた行を削除
-            arrayList.remove(position);
-
-            //行が削除されたことを画面に通知
-            notifyItemRemoved(position);
-        });
-
-        //生成したViewHolderを戻す
-        return holder;
-    }
-
-    //1行分のレイアウトの詳細設定
-    @Override
-    public void onBindViewHolder(@NonNull ItemViewHolder holder, int position) {
-        //指定された位置の値を取得
-        holder.getTextView().setText(arrayList.get(position));
-    }
-
-    //ArrayListのデータ件数を取得
-    @Override
-    public int getItemCount() {
-        return arrayList.size();
-    }
-}
-
-//RecyclerView.ViewHolderクラスを継承
-class ItemViewHolder extends RecyclerView.ViewHolder {
-    private final TextView textView;
-
-    //ItemViewHolderのコンストラクタ
-    public ItemViewHolder(View view) {
-        super(view);
-        //ViewHolderのビューにテキストを定義する
-        textView = view.findViewById(R.id.textView1);
-    }
-
-    //テキストの値を取得
-    public TextView getTextView() {
-        return textView;
-    }
-}

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

@@ -1,119 +0,0 @@
-package com.example.childguard;
-
-import static android.content.ContentValues.TAG;
-import static android.content.Context.MODE_PRIVATE;
-
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.Toast;
-
-import androidx.fragment.app.Fragment;
-
-import com.google.firebase.firestore.FirebaseFirestore;
-
-import java.util.HashMap;
-import java.util.Map;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link SettingFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-public class SettingFragment extends Fragment {
-
-    FirebaseFirestore db;
-
-    public SettingFragment() {
-        // Required empty public constructor
-    }
-
-    public static SettingFragment newInstance() {
-        SettingFragment fragment = new SettingFragment();
-        Bundle args = new Bundle();
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_setting, container, false);
-    }
-
-    @Override
-    public void onViewCreated(View view, Bundle savedInstanceState) {
-        super.onViewCreated(view, savedInstanceState);
-
-        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
-
-        view.findViewById(R.id.button_bluetooth_setting).setOnClickListener(v -> {
-            getParentFragmentManager().beginTransaction().replace(R.id.fragmentContainerView, bluetooth_setupFragment.newInstance("test", "test")).addToBackStack(null).commit();
-        });
-
-        view.findViewById(R.id.button_print_qr).setOnClickListener(v -> {
-            SharedPreferences sharedPreferences = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
-            boolean alreadySaved = sharedPreferences.getBoolean("alreadySaved", false);
-            //falseのときにFirebaseへの登録
-            if (alreadySaved) {
-                Log.d("HomeFragment", "already printed");
-                //画面遷移＆ID受け渡し
-                Toast.makeText(getActivity(), "再印刷", Toast.LENGTH_SHORT).show();
-                getParentFragmentManager().beginTransaction().addToBackStack(null).replace(R.id.fragmentContainerView, GenerateQrFragment.newInstance(sharedPreferences.getString("ID", "none"))).commit();
-            } else {
-                Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
-
-                Log.d("HomeFragment", "onClick is called");
-
-                //mapに入れる
-                DEFAULT_ITEM.put("isInCar", false);
-                DEFAULT_ITEM.put("isReported", false);
-                //新しいドキュメントにIDを作って追加
-                db.collection("status")
-                        .add(DEFAULT_ITEM)
-                        .addOnSuccessListener(documentReference -> {
-                            //成功したら
-                            //documentReference.getId()でID取得
-                            Log.d(TAG, "DocumentSnapshot added with ID: " + documentReference.getId());
-                            SharedPreferences.Editor e = sharedPreferences.edit();
-                            // キー"alreadySaved"の値をtrueにする
-                            e.putBoolean("alreadySaved", true);
-
-                            //確定処理
-                            e.apply();
-                            //画面遷移＆ID受け渡し
-                            SharedPreferences sharedPreferences1 = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
-                            SharedPreferences.Editor editor = sharedPreferences1.edit();
-                            editor.putString("ID", documentReference.getId());
-                            editor.apply();
-                            startTestService();
-
-                            Toast.makeText(getActivity(), "初回登録", Toast.LENGTH_SHORT).show();
-                            getParentFragmentManager().beginTransaction().addToBackStack(null).replace(R.id.fragmentContainerView, GenerateQrFragment.newInstance(documentReference.getId())).commit();
-                        })
-                        .addOnFailureListener(e -> {
-                            //失敗したら
-                            Log.w(TAG, "Error adding document", e);
-                        });
-            }
-        });
-    }
-    private void startTestService() {
-        Context context = getContext();
-        if (context != null) {
-            Intent serviceIntent = new Intent(context, SurveillanceService.class);
-            context.startForegroundService(serviceIntent);
-        }
-    }
-}

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

@@ -1,363 +0,0 @@
-package com.example.childguard;
-
-import android.app.Notification;
-import android.app.NotificationChannel;
-import android.app.NotificationManager;
-import android.app.PendingIntent;
-import android.app.Service;
-import android.bluetooth.BluetoothDevice;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.SharedPreferences;
-import android.content.pm.PackageManager;
-import android.os.Handler;
-import android.os.IBinder;
-import android.os.VibrationEffect;
-import android.os.Vibrator;
-import android.preference.PreferenceManager;
-import android.util.Log;
-
-import androidx.annotation.Nullable;
-import androidx.core.app.ActivityCompat;
-import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
-
-import com.google.firebase.firestore.DocumentReference;
-import com.google.firebase.firestore.FirebaseFirestore;
-
-public class SurveillanceService extends Service {
-
-    private final Handler handler = new Handler();
-    private Runnable notificationRunnable;
-
-    public static class NotificationContent {
-        private final String title;
-        private final String description;
-        private final String channelId;
-        private final int notificationId;
-
-        public NotificationContent(String title, String description, String channelId, int notificationId) {
-            this.title = title;
-            this.description = description;
-            this.channelId = channelId;
-            this.notificationId = notificationId;
-        }
-
-        public String getTitle() {
-            return title;
-        }
-
-        public String getDescription() {
-            return description;
-        }
-
-        public String getChannelId() {
-            return channelId;
-        }
-
-        public int getNotificationId() {
-            return notificationId;
-        }
-    }
-
-    public static final String TAG = "InspirationQuote";
-    private static final String BT_ALERT_CHANNEL_ID = "child_guard_bt_alert";
-    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 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 =
-            new NotificationContent("子供の置き去りをしていませんか？🐈", "Bluetoothと車の切断から5分が経過しました", BT_ALERT_CHANNEL_ID, 3);
-
-    private String userId = null;
-
-    @Override
-    public int onStartCommand(Intent intent, int flags, int startId) {
-        Log.d(TAG, "onStartCommand: ");
-        this.userId = getSharedPreferences("app_situation", MODE_PRIVATE).getString("ID", null);
-        if (this.userId == null) {
-            Log.d("onResume", "ID not initialized.");
-            return flags; // IDが初期化されていない場合は何もしない
-        }
-
-        if (isNotificationChannelCreated(BACKGROUND_CHANNEL_ID)) {
-            createRunningNotificationChannel();
-        }
-        Intent notificationIntent = new Intent(this, MainActivity.class);
-        PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, notificationIntent, PendingIntent.FLAG_IMMUTABLE);
-        Notification notification = new NotificationCompat.Builder(this, BACKGROUND_CHANNEL_ID)
-                .setContentTitle("ChildGuardバックグラウンドサービス")
-                .setContentText("接続/通報監視サービスがバックグラウンドで実行されています")
-                .setSmallIcon(android.R.drawable.ic_menu_info_details)
-                .setContentIntent(pendingIntent)
-                .build();
-        startForeground(1, notification);
-
-        setSnapshotListener(FirebaseFirestore.getInstance().document("status/" + this.userId));
-
-        if (isNotBluetoothGranted()) return flags;
-
-        registerReceiver(receiver);
-        return START_STICKY;
-    }
-
-    @Override
-    public void onCreate() {
-        super.onCreate();
-        if (isNotificationChannelCreated(BT_ALERT_CHANNEL_ID)) createAlertNotificationChannel(BT_ALERT_CHANNEL_ID);
-        if (isNotificationChannelCreated(REPORTED_CHANNEL_ID)) createAlertNotificationChannel(REPORTED_CHANNEL_ID);
-    }
-
-    /**
-     * 通知チャネルが作成されているか確認
-     * @return 通知チャンネルの有無 true: 作成済み false: 未作成
-     */
-    private boolean isNotificationChannelCreated(String channelId) {
-        NotificationManager notificationManager = getSystemService(NotificationManager.class);
-        return notificationManager.getNotificationChannel(channelId) == null;
-    }
-
-    /**
-     * 通知チャネルの作成
-     */
-    private void createAlertNotificationChannel(String channelId) {
-        int importance = NotificationManager.IMPORTANCE_DEFAULT;
-        NotificationChannel channel = new NotificationChannel(channelId, "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);
-    }
-
-    /**
-     * バックグラウンドで実行中の通知チャネルを作成
-     */
-    private void createRunningNotificationChannel() {
-        NotificationChannel serviceChannel = new NotificationChannel(
-                BACKGROUND_CHANNEL_ID,
-                "Foreground Service Channel",
-                NotificationManager.IMPORTANCE_NONE
-        );
-        NotificationManager manager = getSystemService(NotificationManager.class);
-        if (manager != null) {
-            manager.createNotificationChannel(serviceChannel);
-        }
-    }
-
-    /**
-     * 通知が許可がされているかどうかを確認
-     * @return 通知の許可の有無 true: 許可されていない false: 許可されている
-     */
-    private boolean isNotNotificationEnabled() {
-        NotificationManagerCompat notificationManagerCompat = NotificationManagerCompat.from(this);
-        if (!notificationManagerCompat.areNotificationsEnabled()) {
-            Log.d(TAG, "通知が許可されていません");
-            return true;
-        } else {
-            Log.d(TAG, "通知が許可されています");
-            return false;
-        }
-    }
-
-    /**
-     * Bluetoothの権限が許可されているかどうかを確認
-     * @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() {
-        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 {
-            Log.d(TAG, "Bluetoothの権限が許可されています");
-            return false;
-        }
-    }
-
-    /**
-     * ブロードキャストレシーバーを登録
-     * @param receiver ブロードキャストレシーバー
-     */
-    private void registerReceiver(BroadcastReceiver receiver) {
-        IntentFilter intentFilter = new IntentFilter();
-        intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
-        intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
-
-        registerReceiver(receiver, intentFilter);
-    }
-
-    /**
-     * 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
-     */
-    private void setSnapshotListener(DocumentReference mDocRef) {
-        // Initialize the PeriodicTaskManager
-        // (Assuming it's done elsewhere as it's not shown in the original code)
-
-        // Prepare SharedPreferences
-        SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
-
-        // Add a snapshot listener to the document reference
-        mDocRef.addSnapshotListener((documentSnapshot, e) -> {
-            if (e != null) {
-                Log.w("nt", "Listen failed.", e);
-                return;
-            }
-
-            if (documentSnapshot != null && documentSnapshot.exists()) {
-                Log.d("nt", "イベント開始");
-
-                // Handle document snapshot
-                SharedPreferences.Editor editor = sharedPreferences.edit();
-                boolean isInCar = sharedPreferences.getBoolean("isInCarPref", false);
-                boolean newIsInCarState = Boolean.TRUE.equals(documentSnapshot.getBoolean("isInCar"));
-
-                editor.putBoolean("isInCarPref", newIsInCarState);
-                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 (Boolean.TRUE.equals(documentSnapshot.getBoolean("isReported"))) {
-                        resetReported();
-                        sendNotification(getApplicationContext(), REPORTED_NOTIFICATION);
-                    }
-                } else {
-                    resetReported();
-                }
-            } else {
-                Log.d("nt", "Current data: null");
-            }
-        });
-    }
-
-    /**
-     * 通報フラグをリセットする
-     */
-    private void resetReported() {
-        FirebaseFirestore db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
-        DocumentReference isReported = db.collection("status").document(this.userId);
-        //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));
-    }
-
-    /**
-     * 通知をタップしたときにアプリを起動するPendingIntentを取得
-     *
-     * @param context コンテキスト
-     * @return PendingIntent
-     */
-    private PendingIntent getPendingIntent(Context context) {
-        Intent intent = new Intent(context, MainActivity.class);
-        intent.setAction("OPEN_ACTIVITY");
-        return PendingIntent.getActivity(context, SurveillanceService.REQUEST_CODE, intent, PendingIntent.FLAG_IMMUTABLE);
-    }
-
-    /**
-     * デバイスをバイブレーションさせる
-     */
-    private void vibrateDevice() {
-        Vibrator vibrator = (Vibrator) getSystemService(Context.VIBRATOR_SERVICE);
-        if (vibrator.hasVibrator()) {
-            vibrator.vibrate(VibrationEffect.createOneShot(2000, VibrationEffect.DEFAULT_AMPLITUDE));
-        }
-    }
-
-    /**
-     * 通知を送信する
-     * @param context コンテキスト
-     * @param content NotificationContent 通知内容
-     */
-    private void sendNotification(Context context, NotificationContent content) {//通知を行うメソッド
-        // 権限の保有を確認
-        if (isNotNotificationEnabled()) return;
-
-        vibrateDevice();
-
-        NotificationCompat.Builder builder = new NotificationCompat.Builder(context, content.getChannelId())
-                .setSmallIcon(android.R.drawable.ic_menu_info_details)
-                .setContentTitle(content.getTitle())//通知のタイトル
-                .setContentText(content.getDescription())//通知の内容
-                .setContentIntent(getPendingIntent(context))//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
-
-        NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
-
-        notificationManager.notify(content.getNotificationId(), builder.build());
-    }
-
-    private final BroadcastReceiver receiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            // 処理対象か確認 ----------------------------------------
-            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
-            if (device == null) {
-                Log.d("BT", "No device found");
-                return;
-            }
-            String deviceHardwareAddress = device.getAddress(); // MAC address
-            if (deviceHardwareAddress == null) {
-                Log.d("BT", "No device address found");
-                return;
-            }
-            String registeredId = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("bluetooth_device_id", null);
-            if (registeredId == null) {
-                Log.d("BT_Judge", "No registered device");
-                return;
-            }
-            if (!registeredId.equals(deviceHardwareAddress)) {
-                Log.d("BT_Judge", "Not registered device");
-                return;
-            }
-            boolean isInCar = getSharedPreferences("app_situation", MODE_PRIVATE).getBoolean("change", false);
-//            if (!isInCar) {
-//                Log.d("BT_Judge", "Not in car");
-//                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);
-                    notificationRunnable = null;
-                    Log.d("BT", "Notification canceled due to reconnection");
-                }
-            }
-            E.apply();
-            Log.d("SurveillanceService:BT", "Bluetooth status: " + sharedPreferences.getBoolean("BluetoothStatusLocal", false));
-        }
-    };
-
-    @Nullable
-    @Override
-    public IBinder onBind(Intent intent) {
-        return null;
-    }
-}

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

@@ -1,156 +0,0 @@
-package com.example.childguard;
-
-import android.annotation.SuppressLint;
-import android.app.Activity;
-import android.bluetooth.BluetoothAdapter;
-import android.bluetooth.BluetoothDevice;
-import android.bluetooth.BluetoothManager;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-
-import androidx.core.app.ActivityCompat;
-import androidx.core.app.NotificationCompat;
-import androidx.fragment.app.Fragment;
-import androidx.recyclerview.widget.DividerItemDecoration;
-import androidx.recyclerview.widget.LinearLayoutManager;
-import androidx.recyclerview.widget.RecyclerView;
-
-import android.preference.PreferenceManager;
-import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.MenuItem;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.TextView;
-
-import java.util.ArrayList;
-import java.util.Objects;
-import java.util.Set;
-
-/**
- * A simple {@link Fragment} subclass.
- * Use the {@link bluetooth_setupFragment#newInstance} factory method to
- * create an instance of this fragment.
- */
-public class bluetooth_setupFragment extends Fragment {
-
-    // TODO: Rename parameter arguments, choose names that match
-    // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
-    private static final String ARG_PARAM1 = "param1";
-    private static final String ARG_PARAM2 = "param2";
-
-    // TODO: Rename and change types of parameters
-    private String mParam1;
-    private String mParam2;
-
-    public bluetooth_setupFragment() {
-        // Required empty public constructor
-    }
-
-
-    /**
-     * Use this factory method to create a new instance of
-     * this fragment using the provided parameters.
-     *
-     * @param param1 Parameter 1.
-     * @param param2 Parameter 2.
-     * @return A new instance of fragment bluetooth_setupFragment.
-     */
-    // TODO: Rename and change types and number of parameters
-    public static bluetooth_setupFragment newInstance(String param1, String param2) {
-        bluetooth_setupFragment fragment = new bluetooth_setupFragment();
-        Bundle args = new Bundle();
-        args.putString(ARG_PARAM1, param1);
-        args.putString(ARG_PARAM2, param2);
-        fragment.setArguments(args);
-        return fragment;
-    }
-
-    @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        if (getArguments() != null) {
-            mParam1 = getArguments().getString(ARG_PARAM1);
-            mParam2 = getArguments().getString(ARG_PARAM2);
-        }
-
-    }
-
-    @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-                             Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.fragment_bluetooth_setup, container, false);
-
-        // init
-        BluetoothManager bluetoothManager = requireActivity().getSystemService(BluetoothManager.class);
-        BluetoothAdapter bluetoothAdapter = bluetoothManager.getAdapter();
-
-        if (bluetoothAdapter == null) {
-            // Device doesn't support Bluetooth
-        }
-
-
-        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();
-
-        RecyclerView recyclerView1 = view.findViewById(R.id.recyclerView1);
-        //RecyclerViewのサイズを固定
-        recyclerView1.setHasFixedSize(true);
-
-        //RecyclerViewに区切り線を入れる
-//        RecyclerView.ItemDecoration itemDecoration =
-//                new DividerItemDecoration(getContext() ,DividerItemDecoration.VERTICAL);
-//        recyclerView.addItemDecoration(itemDecoration);
-
-        //レイアウトマネージャを設
-        RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getContext());
-        recyclerView1.setLayoutManager(layoutManager);
-        //recyclerView2.setLayoutManager(layoutManager);
-
-        //①リスト構造(String型の可変長の配列)を宣言
-        ArrayList<String[]> arrayList = new ArrayList<>();
-
-        if (pairedDevices.size() > 0) {
-
-            // There are paired devices. Get the name and address of each paired device.
-            for (BluetoothDevice device : pairedDevices) {
-
-
-                String[] deviceInfo = new String[2];
-                deviceInfo[0] = device.getName();
-                deviceInfo[1] = device.getAddress(); // MAC address
-
-                Log.d("a", deviceInfo[0]);
-                arrayList.add(deviceInfo);
-            }
-            for (String[] s : arrayList) {
-                Log.d("b", s[0]);
-            }
-            Log.d(" ", String.valueOf(arrayList.size()));
-            RecyclerAdapter adapter = new RecyclerAdapter(arrayList, requireActivity().getApplicationContext(), view);
-
-
-            //④RecyclerViewとAdapterの結び付け
-            recyclerView1.setAdapter(adapter);
-            TextView textView = view.findViewById(R.id.registered_device);
-            textView.setText(PreferenceManager.getDefaultSharedPreferences(requireActivity().getApplicationContext()).getString("bluetooth_device_name", "none"));
-
-
-        }
-
-        return view;
-
-    }
-
-
-}

app/src/main/res/drawable/baseline_app_settings_alt_24.xml

@@ -1,5 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android" android:height="24dp" android:tint="#000000" android:viewportHeight="24" android:viewportWidth="24" android:width="24dp">
-      
-    <path android:fillColor="@android:color/white" android:pathData="M21.81,12.74l-0.82,-0.63v-0.22l0.8,-0.63c0.16,-0.12 0.2,-0.34 0.1,-0.51l-0.85,-1.48c-0.07,-0.13 -0.21,-0.2 -0.35,-0.2 -0.05,0 -0.1,0.01 -0.15,0.03l-0.95,0.38c-0.08,-0.05 -0.11,-0.07 -0.19,-0.11l-0.15,-1.01c-0.03,-0.21 -0.2,-0.36 -0.4,-0.36h-1.71c-0.2,0 -0.37,0.15 -0.4,0.34l-0.14,1.01c-0.03,0.02 -0.07,0.03 -0.1,0.05l-0.09,0.06 -0.95,-0.38c-0.05,-0.02 -0.1,-0.03 -0.15,-0.03 -0.14,0 -0.27,0.07 -0.35,0.2l-0.85,1.48c-0.1,0.17 -0.06,0.39 0.1,0.51l0.8,0.63v0.23l-0.8,0.63c-0.16,0.12 -0.2,0.34 -0.1,0.51l0.85,1.48c0.07,0.13 0.21,0.2 0.35,0.2 0.05,0 0.1,-0.01 0.15,-0.03l0.95,-0.37c0.08,0.05 0.12,0.07 0.2,0.11l0.15,1.01c0.03,0.2 0.2,0.34 0.4,0.34h1.71c0.2,0 0.37,-0.15 0.4,-0.34l0.15,-1.01c0.03,-0.02 0.07,-0.03 0.1,-0.05l0.09,-0.06 0.95,0.38c0.05,0.02 0.1,0.03 0.15,0.03 0.14,0 0.27,-0.07 0.35,-0.2l0.85,-1.48c0.1,-0.17 0.06,-0.39 -0.1,-0.51zM18,13.5c-0.83,0 -1.5,-0.67 -1.5,-1.5s0.67,-1.5 1.5,-1.5 1.5,0.67 1.5,1.5 -0.67,1.5 -1.5,1.5zM17,17h2v4c0,1.1 -0.9,2 -2,2H7c-1.1,0 -2,-0.9 -2,-2V3c0,-1.1 0.9,-2 2,-2h10c1.1,0 2,0.9 2,2v4h-2V6H7v12h10v-1z"/>
-    
-</vector>

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

@@ -3,13 +3,11 @@
 <androidx.constraintlayout.widget.ConstraintLayout 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:id="@+id/activityMain"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:background="@color/white"
-    tools:context=".MainActivity"
-    >
+    tools:context=".MainActivity">
 
 
     <androidx.fragment.app.FragmentContainerView
@@ -17,7 +15,7 @@
         android:name="com.example.childguard.HomeFragment"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        app:layout_constraintBottom_toTopOf="@id/nav_view"
+        app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
@@ -36,14 +34,5 @@
         app:layout_constraintRight_toRightOf="parent"
         app:menu="@menu/bottom_menu" />
 
-    <com.google.android.material.floatingactionbutton.FloatingActionButton
-        android:id="@+id/fab_scan_qr_code"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:clickable="true"
-        app:srcCompat="@drawable/qr_code_scanner_fill0_wght400_grad0_opsz24"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintBottom_toTopOf="@id/nav_view"
-        android:layout_margin="32dp" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/frameLayout"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    tools:context=".First_Start"
-    >
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="一覧から車のBluetoothを選択してください"
-
-        />
-
-</LinearLayout>

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

@@ -1,58 +0,0 @@
-<?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:id="@+id/Bluetooth_setup"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical"
-    android:background="@color/white"
-    tools:context=".bluetooth_setupFragment">
-
-
-    <!-- TODO: Update blank fragment layout -->
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="デバイス"
-        android:textSize="35dp"
-        android:textColor="@color/black"
-        android:layout_marginTop="20dp"
-        />
-    <View
-        android:id="@+id/divider1"
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/black" />
-
-    <androidx.recyclerview.widget.RecyclerView
-        android:id="@+id/recyclerView1"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:scrollbars="vertical"/>
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:text="登録デバイス"
-        android:textSize="35dp"
-        android:textColor="@color/black"
-        android:layout_marginTop="20dp"
-        />
-    <View
-        android:id="@+id/divider2"
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/black"
-        />
-    <TextView
-        android:id="@+id/registered_device"
-        android:layout_width="match_parent"
-        android:layout_height="60dp"
-        android:textSize="30sp"
-        android:textColor="@color/black"
-        />
-
-
-
-</LinearLayout>

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

@@ -1,46 +0,0 @@
-<?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"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".GenerateQrFragment" >
-
-    <ImageView
-        android:id="@+id/result_bitmap_image_view"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:src="@drawable/close_fill0_wght400_grad0_opsz24"
-        app:layout_constraintBottom_toTopOf="@id/qr_code_container"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <LinearLayout
-        android:id="@+id/qr_code_container"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal"
-        app:layout_constraintTop_toBottomOf="@id/result_bitmap_image_view"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintBottom_toBottomOf="parent">
-
-        <Button
-            android:id="@+id/button_cancel"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Cancel" />
-        <Button
-            android:id="@+id/button_print"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_weight="1"
-            android:text="Print" />
-    </LinearLayout>
-
-
-
-
-</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -1,88 +1,96 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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:id="@+id/frameLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    tools:context=".HomeFragment"
-   >
-
-    <LinearLayout
+    tools:context=".HomeFragment">
+    <FrameLayout
+        android:id="@+id/situation_bg"
         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">
+        android:background="@drawable/frame_style"
+        android:layout_marginTop="30dp"
+        android:layout_marginLeft="20dp"
+        android:layout_marginRight="20dp"
+        >
 
-        <FrameLayout
-            android:id="@+id/car_situation_bg"
+        <TextView
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
-            android:layout_marginLeft="20dp"
-            android:layout_marginTop="30dp"
-            android:layout_marginRight="20dp"
-            android:background="@drawable/frame_style">
+            android:layout_marginTop="20dp"
+            android:text="現在の状態"
+            android:textSize="25dp"
+            android:textColor="@color/black"
+            android:textAlignment="center"/>
+        <TextView
+            android:id="@+id/situation"
+            android:layout_width="match_parent"
+            android:layout_height="200dp"
+            android:layout_marginTop="10dp"
+            android:text="\n降車状態"
+            android:textSize="55dp"
+            android:textColor="@color/black"
+            android:textAlignment="center"
+            />
 
-            <TextView
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="20dp"
-                android:text="現在の状態"
-                android:textAlignment="center"
-                android:textColor="@color/black"
-                android:textSize="25dp" />
+    </FrameLayout>
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="@drawable/frame_style"
+        android:layout_marginTop="30dp"
+        android:layout_marginLeft="20dp"
+        android:layout_marginRight="20dp"
+        >
 
-            <TextView
-                android:id="@+id/car_situation"
-                android:layout_width="match_parent"
-                android:layout_height="200dp"
-                android:layout_marginTop="10dp"
-                android:text="\n降車状態"
-                android:textAlignment="center"
-                android:textColor="@color/black"
-                android:textSize="55dp" />
-
-        </FrameLayout>
-
-        <FrameLayout
-            android:id="@+id/situation_bg_bluetooth"
+        <TextView
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
+            android:layout_marginTop="5dp"
+            android:text="切断中"
+            android:textSize="30dp"
+            android:textColor="@color/black"
+            android:textAlignment="center"/>
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="100dp"
+            android:layout_marginTop="50dp"
+            android:src="@drawable/bluetooth_drive_fill0_wght400_grad0_opsz24"
+            android:textAlignment="center"
+            />
+        <ImageView
+            android:layout_width="match_parent"
+            android:layout_height="100dp"
+            android:layout_marginTop="50dp"
+            android:src="@drawable/close_fill0_wght400_grad0_opsz24"
+            android:textAlignment="center"
+            />
+
+    </FrameLayout>
+
+    <FrameLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_marginLeft="20dp"
+        android:layout_marginRight="20dp"
+        android:background="@drawable/frame_style_button">
+
+        <Button
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_gravity="center"
             android:layout_marginLeft="20dp"
-            android:layout_marginTop="30dp"
             android:layout_marginRight="20dp"
-            android:background="@drawable/frame_style">
-
-            <TextView
-                android:id="@+id/BluetoothSituation"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="5dp"
-                android:text="切断中"
-                android:textAlignment="center"
-                android:textColor="@color/black"
-                android:textSize="30dp" />
-
-            <ImageView
-                android:layout_width="match_parent"
-                android:layout_height="100dp"
-                android:layout_marginTop="50dp"
-                android:src="@drawable/bluetooth_drive_fill0_wght400_grad0_opsz24"
-                android:textAlignment="center" />
-
-            <ImageView
-                android:id="@+id/BluetoothSituationImage"
-                android:layout_width="match_parent"
-                android:layout_height="100dp"
-                android:layout_marginTop="50dp"
-                android:src="@drawable/close_fill0_wght400_grad0_opsz24"
-                android:textAlignment="center" />
-
-        </FrameLayout>
-    </LinearLayout>
-</androidx.constraintlayout.widget.ConstraintLayout>
-
+            android:backgroundTint="#778899"
+            android:text="QRコード印刷"
+            android:textColor="@color/white"
+            android:textSize="40dp" />
+        <!--<ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@drawable/ss"/>-->
+    </FrameLayout>
+</LinearLayout>

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

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout 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"
+    tools:context=".NotificationFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:text="@string/hello_blank_fragment" />
+
+</FrameLayout>

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

@@ -5,6 +5,12 @@
     android:layout_height="match_parent"
     tools:context=".QRFragment">
 
-
+    <!-- TODO: Update blank fragment layout -->
+    <Button
+        android:id="@+id/camera"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center"
+        />
 
 </FrameLayout>

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

@@ -1,33 +0,0 @@
-<?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:orientation="vertical"
-    tools:context=".QrPrintFragment"
-    android:weightSum="1">
-
-
-    <!-- TODO: Update blank fragment layout -->
-    <ImageView
-        android:id="@+id/image"
-        android:layout_width="match_parent"
-        android:layout_height="581dp"
-        android:layout_weight="1"/>
-
-    <ImageView
-        android:id="@+id/imageView"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:srcCompat="@drawable/a_group_qr_sos"
-        android:layout_weight="0"/>
-
-    <ImageView
-        android:id="@+id/qr_view"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:srcCompat="@drawable/ic_launcher_foreground"
-        android:layout_weight="0"/>
-
-</LinearLayout>

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

@@ -1,56 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<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"
-    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:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="bottom">
-
-        <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" />
-    </LinearLayout>
-
-</LinearLayout>

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

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content">
-    <TextView
-        android:id="@+id/textView1"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:textSize="30sp"
-        android:textColor="@color/black"/>
-
-</LinearLayout>

app/src/main/res/menu/bottom_menu.xml

@@ -3,10 +3,16 @@
     <item
         android:id="@+id/navigation_home"
         android:icon="@drawable/ic_home_black_24dp"
-        android:title="home"/>
+        android:title="home"
 
+        />
     <item
-        android:id="@+id/navigation_settings"
-        android:icon="@drawable/baseline_app_settings_alt_24"
-        android:title="settings"/>
+        android:id="@+id/navigation_QR"
+        android:icon="@drawable/qr_code_scanner_fill0_wght400_grad0_opsz24"
+        android:title="QR"
+        />
+    <item
+        android:id="@+id/navigation_notification"
+        android:icon="@drawable/notifications_fill0_wght400_grad0_opsz24"
+        android:title="notification"/>
 </menu>

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

@@ -2,5 +2,4 @@
     <string name="app_name">Child Guard</string>
     <!-- TODO: Remove or change this placeholder text -->
     <string name="hello_blank_fragment">Hello blank fragment</string>
-    <string name="title_activity_first_start">First_Start</string>
 </resources>

build.gradle

@@ -1,10 +1,5 @@
-buildscript {
-    dependencies {
-        classpath 'com.google.gms:google-services:4.3.14'
-    }
-}// Top-level build file where you can add configuration options common to all sub-projects/modules.
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
 plugins {
     id 'com.android.application' version '8.0.2' apply false
     id 'com.android.library' version '8.0.2' apply false
-    id 'org.jetbrains.kotlin.android' version '1.7.20' apply false
 }