レイアウトを変更

# Conflicts:
#	app/src/main/java/com/example/childguard/TestService.java

.idea/gradle.xml

@@ -5,7 +5,6 @@
     <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

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

app/build.gradle

@@ -1,5 +1,7 @@
 plugins {
     id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -14,6 +16,9 @@ android {
         versionName "1.0"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        vectorDrawables {
+            useSupportLibrary true
+        }
     }
 
     buildTypes {
@@ -26,6 +31,20 @@ 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 {
@@ -33,9 +52,26 @@ 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

@@ -0,0 +1,67 @@
+{
+  "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/src/main/AndroidManifest.xml

@@ -2,8 +2,15 @@
 <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"
@@ -14,6 +21,11 @@
         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">
@@ -23,6 +35,7 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <service android:name=".TestService" />
     </application>
 
 </manifest>

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

@@ -0,0 +1,22 @@
+package com.example.childguard;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class Bluetooth_device_save {
+    SharedPreferences pref;
+
+//    public void device_save(String deviceAddress){
+//        pref = PreferenceManager.getDefaultSharedPreferencesName()
+//        SharedPreferences.Editor e=pref.edit();
+//        e.putString("bluetooth_device1",deviceAddress);
+//        e.apply();
+//    }
+    public String device_info(){
+        return pref.getString("bluetooth_device1","not_device");
+    }
+}

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

@@ -0,0 +1,14 @@
+package com.example.childguard;
+
+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

@@ -0,0 +1,69 @@
+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 implements OnEventListener{
 
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
@@ -28,9 +28,10 @@ public class HomeFragment extends Fragment {
     private static final String ARG_PARAM2 = "param2";
 
     // TODO: Rename and change types of parameters
-    private String mParam1;
+    private String str_key;
     private String mParam2;
 
+
     public HomeFragment() {
         // Required empty public constructor
     }
@@ -56,38 +57,134 @@ 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) {
-        // Inflate the layout for this fragment
-        return inflater.inflate(R.layout.fragment_home, container, false);
+        View view = inflater.inflate(R.layout.fragment_home, container, false);
+
+        return view;
     }
 
+
     @Override
     public void onResume() {
         super.onResume();
         Log.d("HomeFragment", "onResume: called");
-        TextView situationTextView = getView().findViewById(R.id.situation);
-        FrameLayout situation_bg=getView().findViewById(R.id.situation_bg);
-        updateInCarStatus(situationTextView,situation_bg);
+        this.updateUiState(getIsInCarLocal());
     }
 
-    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);
+        return pref.getBoolean("isInCar", false);
+    }
 
-        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));
+    //画面遷移メソッド
+    private void replaceFragment(Fragment fragment) {
+        // フラグメントマネージャーの取得
+        FragmentManager manager = getParentFragmentManager(); // アクティビティではgetSupportFragmentManager()?
+        // フラグメントトランザクションの開始
+        FragmentTransaction transaction = manager.beginTransaction();
+        // レイアウトをfragmentに置き換え（追加）
+        transaction.replace(R.id.fragmentContainerView, fragment);
+        // 置き換えのトランザクションをバックスタックに保存する
+        transaction.addToBackStack(null);
+        // フラグメントトランザクションをコミット
+        transaction.commit();
+    }
+
+    private boolean updateUiState(boolean isInCar) {
+        Log.d("HomeFragment", "updateUiState: called");
+        // Init
+        TextView tv;
+        FrameLayout fl;
+        try {
+            tv = requireView().findViewById(R.id.situation);
+            fl = requireView().findViewById(R.id.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;
+        }
+        String get_on = "\n乗車状態";
+        String get_off = "\n降車状態";
+        if (!isInCar) {
+            //乗車状態にする
+            fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
+            tv.setText(get_on);
         } else {
-            situationTextView.setText("\n乗車状態");
-            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
+            //降車状態にする
+            fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
+            tv.setText(get_off);
         }
+
+        return true;
+    }
+
+    private boolean updateBluetoothSituation(Boolean Bluetoothconnect){
+        FrameLayout frameLayout;
+        TextView textView;
+        ImageView imageView;
+        try {
+            frameLayout=requireView().findViewById(R.id.situation_bg2);
+            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;
+        }
+        String connect="接続中";
+        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 {
+            //降車状態にする
+            frameLayout.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
+            textView.setText(disconnect);
+            imageView.setVisibility(View.VISIBLE);
+        }
+
+        return true;
+    }
+
+
+    @Override
+    public boolean onEvent(boolean isInCar) {//乗車状態と降車状態の変更を受け取ってupdateUiState()に渡す
+        Log.d("HomeFragment", "onEvent: called");
+
+        return updateUiState(isInCar);
+    }
+
+    @Override
+    public void onEvent2(boolean BluetoothConnect) {
+        return ;
+    }
+
+
+    @Override
+    public boolean onEvent2(Boolean Bluetoothconnect) {//Bluetoothの接続切断を受け取ってupdateBluetoothSituation()に渡す
+        updateBluetoothSituation(Bluetoothconnect);
+        return false;
     }
 }
+

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

@@ -1,80 +1,485 @@
 package com.example.childguard;
 
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.core.app.ActivityCompat;
-import androidx.core.app.NotificationCompat;
-import androidx.core.app.NotificationManagerCompat;
-
+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.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
+import android.os.Handler;
 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.browser.customtabs.CustomTabsIntent;
+import androidx.core.app.ActivityCompat;
+import androidx.core.app.NotificationCompat;
+import androidx.fragment.app.Fragment;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
+import com.google.firebase.firestore.DocumentReference;
+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;
+
+    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);
 
-        //通知のやつ↓
-        int importance = NotificationManager.IMPORTANCE_DEFAULT;
+        //Bluetooth接続判定用
+        SharedPreferences pref=PreferenceManager.getDefaultSharedPreferences(this);
+        SharedPreferences.Editor e=pref.edit();
+        e.putBoolean("connection_status",false);
 
-        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);
 
-        bottomNavigationView.setOnNavigationItemSelectedListener(v -> {
+        this.homeFragment = HomeFragment.newInstance("test", "test");
+
+        bottomNavigationView.setOnNavigationItemSelectedListener(v ->
+
+        {
             if (v.getItemId() == findViewById(R.id.navigation_home).getId()) {
+                findViewById(R.id.fab_scan_qr_code).setVisibility(FrameLayout.VISIBLE);
                 getSupportFragmentManager().beginTransaction()
-                        .replace(findViewById(R.id.fragmentContainerView).getId(), HomeFragment.newInstance("test", "tset"))
+                        .replace(findViewById(R.id.fragmentContainerView).getId(), this.homeFragment)
+                        .addToBackStack(null)
                         .commit();
-            } else if (v.getItemId() == findViewById(R.id.navigation_QR).getId()) {
+                firebaselink();
+
+            } else if (v.getItemId() == findViewById(R.id.navigation_settings).getId()) {
+                findViewById(R.id.fab_scan_qr_code).setVisibility(FrameLayout.GONE);
                 getSupportFragmentManager().beginTransaction()
-                        .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"))
+                        .replace(findViewById(R.id.fragmentContainerView).getId(), SettingFragment.newInstance())
+                        .addToBackStack(null)
                         .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);
 
         });
+
+        //Bluetooth検知機能
+        IntentFilter intentFilter = new IntentFilter();
+        intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
+        intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
+
+        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");
+            return;
+        } else {
+            Log.d("BT", "Permission to connect bluetooth devices granted");
+        }
+        registerReceiver(receiver, intentFilter);
+
     }
 
-    //↓通知のやつ
-    public void notifyTest() {
-        ((Vibrator)getSystemService(Context.VIBRATOR_SERVICE)).vibrate(1000);
-        NotificationCompat.Builder builder = new NotificationCompat
-                .Builder(this, "CHANNEL_ID")
+
+    @Override
+    protected void onResume() {
+        super.onResume();
+        Log.d("onResume", "called");
+        Log.d("onResume", "mDocRef is null");
+        firebaselink();
+    }
+
+        private void initNotification(DocumentReference mDocRef) {//サイト上で押されたボタンの管理
+        // 共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
+
+        mDocRef.addSnapshotListener(this, (documentSnapshot, e) -> {
+
+            Log.d("nt", "イベント開始");
+            //共有プリファレンス 書き込みの準備
+            SharedPreferences.Editor E = sharedPreferences.edit();
+            //車の乗り降りを管理するtrue=乗車、false=降車
+            if (documentSnapshot.exists()) {//exists()でdocumentSnapshotの中のファイルの存在の確認
+                Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragmentContainerView);
+                Boolean isInCar = sharedPreferences.getBoolean("isInCarPref", false);//現在の乗降状態を保存する共有プリファレンス
+                E.putBoolean("isInCarPref", documentSnapshot.getBoolean("isInCar"));//乗降状態の判定
+                E.apply();//確定処理
+                Log.d("nt", "レスポンスを検知しました1");
+                //FireBaseで更新された情報の判定
+                if (!documentSnapshot.getBoolean("isReported")) {//isReportedがfalseのとき=サイト上で保護者ボタンが押されたとき
+                    if (fragment instanceof HomeFragment) {//fragmentがHomeFragmentのインスタンスかの判定
+//                        changessituation();//  changessituation()メソッドを処理→アプリ側の乗降状態を変化
+                        ((HomeFragment) fragment).onEvent(!isInCar);
+                    }
+                } else if (isInCar) {//第三者ボタンが押されたときにisInCarがtrueのとき＝乗車状態のとき→いたずら防止
+                    int importance = NotificationManager.IMPORTANCE_DEFAULT;
+                    NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通報通知", importance);
+                    channel.setDescription("第3者からの通報を検知しました");
+                    NotificationManager notificationManager = getSystemService(NotificationManager.class);
+                    notificationManager.createNotificationChannel(channel);
+                    Log.d("nt", "レスポンスを検知しました2");
+                    NotificationSetting();//通知に関する設定のメソッド
+                    Notification(getApplicationContext());//通知を行うメソッド
+                    ResetReported();// ResetReported();メソッドを処理→FireBaseのisReportedをfalseにする
+                } else {//第三者ボタンが押されたときにisInCarがfalseのとき=降車状態のとき
+                    ResetReported();// ResetReported();を処理→FireBaseのisReportedをfalseにする
+                    Log.d("nt", "何もなし");
+                }
+            }
+        });
+
+    }
+
+    private boolean hasPermissions() {
+        return ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_ADMIN) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_SCAN) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.VIBRATE) == PackageManager.PERMISSION_GRANTED &&
+                ActivityCompat.checkSelfPermission(this, Manifest.permission.FOREGROUND_SERVICE) == PackageManager.PERMISSION_GRANTED;
+    }
+
+    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();
+            }
+        }
+    }
+
+
+
+
+    public void firebaselink() {//Firebaseのドキュメントの取得
+        //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) {//FireBaseのIDがアプリに登録されているとき
+            Log.d("onResume", "ID not initialized.");
+        } else {
+            mDocRef = FirebaseFirestore.getInstance().document("status/" + IdPref);//現在の位置を取得
+            initNotification(mDocRef);//現在の位置を引数に initNotification()を処理
+
+        }
+    }
+
+    public void ResetReported() {//FireBaseのisReportedをfalseに初期化するメソッド
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = MainActivity.this.getSharedPreferences("app_situation", MODE_PRIVATE);
+        String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
+        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
+        DocumentReference isReported = db.collection("status").document(IdPref);//更新するドキュメントとの紐づけ
+        Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
+        //isReportedをfalseに更新
+        isReported.update("isReported", false).addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
+    }
+
+    public void changeisInCar() {
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = MainActivity.this.getSharedPreferences("app_situation", MODE_PRIVATE);
+        //共有プリファレンス 書き込みの準備
+        SharedPreferences.Editor E = sharedPreferences.edit();
+        String IdPref = sharedPreferences.getString("ID", null);//アプリに記録されているIDの取得
+        Boolean change=sharedPreferences.getBoolean("change",false);
+        db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
+        DocumentReference isReported = db.collection("status").document(IdPref);//更新するドキュメントとの紐づけ
+        Map<String, Boolean> DEFAULT_ITEM = new HashMap<>();//mapの宣言
+        if (!change) {
+            //isInCarをtrueに更新
+            E.putBoolean("change",true);
+        }else{
+            E.putBoolean("change",false);
+        }
+        isReported.update("isInCar", change).addOnSuccessListener(unused -> Log.d(TAG, "DocumentSnapshot successfully updated!")).addOnFailureListener(e -> Log.w(TAG, "Error updating document", e));
+        E.apply();
+    }
+    public void NotificationSetting() {//通知に関する設定の処理を行うメソッド
+        int importance = NotificationManager.IMPORTANCE_DEFAULT;
+        //通知チャネルの実装
+        NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通知", importance);
+        channel.setDescription("第三者により置き去りの通報が行われたときに通知します。");
+
+        NotificationManager notificationManager = getSystemService(NotificationManager.class);
+        notificationManager.createNotificationChannel(channel);
+
+    }
+
+    public void Notification(Context context) {//実際に通知を行うメソッド
+        final String CHANNEL_ID = "my_channel_id";
+        // 通知がクリックされたときに送信されるIntent
+        Intent intent = new Intent(context, MainActivity.class);
+        intent.setAction("OPEN_ACTIVITY");
+        // PendingIntentの作成
+        int requestCode = 100;
+        int flags = 0;
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, requestCode, intent, flags | PendingIntent.FLAG_IMMUTABLE);
+
+        ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(2000);//バイブレーション
+
+        @SuppressLint("NotificationTrampoline") NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
                 .setSmallIcon(android.R.drawable.ic_menu_info_details)
-                .setContentTitle("タイトル")
-                .setContentText("メッセージ・メッセージ")
-                .setPriority(NotificationCompat.PRIORITY_DEFAULT);
+                .setContentTitle("子供の置き去りをしていませんか？")//通知のタイトル
+                .setContentText("第三者からの通報が行われました。")//通知の本文
+                .setContentIntent(pendingIntent)//通知をタップするとActivityへ移動する
+                .setAutoCancel(true)//通知をタップすると削除する
+                .setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
 
-        NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
+        // NotificationChannelの作成（Android 8.0以降）
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            if (notificationManager != null) {
+                NotificationChannel channel = new NotificationChannel(
+                        CHANNEL_ID,
+                        "Channel Name",
+                        NotificationManager.IMPORTANCE_HIGH
+                );
 
+                channel.setDescription("Channel Description");
+                channel.enableLights(true);
+                channel.setLightColor(Color.RED);
+                channel.enableVibration(true);
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+
+
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
         if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
-            // 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;
         }
-        notificationManager.notify(R.string.app_name, builder.build());
+        notificationManager.notify(R.string.app_name, builder.build());//通知の表示
+    }
+
+
+    @Override
+    public void onStop() {//アプリをバックグラウンドにした時のメソッド
+        super.onStop();
+        Intent intent = new Intent(getApplication(), TestService.class);
+        startService(intent);//TestServiceを起動
+    }
+
+    public void NotificationBluetooth(Context context) {//実際に通知を行うメソッド
+        final String CHANNEL_ID = "my_channel_id";
+        // 通知がクリックされたときに送信されるIntent
+        Intent intent = new Intent(context, MainActivity.class);
+        intent.setAction("OPEN_ACTIVITY");
+        // PendingIntentの作成
+        int requestCode = 100;
+        int flags = 0;
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, requestCode, intent, flags | PendingIntent.FLAG_IMMUTABLE);
+
+        ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(2000);//バイブレーション
+
+        @SuppressLint("NotificationTrampoline") NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
+                .setSmallIcon(android.R.drawable.ic_menu_info_details)
+                .setContentTitle("子供の置き去りをしていませんか？")//通知のタイトル
+                .setContentText("Bluetoothと車の切断から5分が経過しました")//通知の本文
+                .setContentIntent(pendingIntent)//通知をタップするとActivityへ移動する
+                .setAutoCancel(true)//通知をタップすると削除する
+                .setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
+
+        // NotificationChannelの作成（Android 8.0以降）
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            if (notificationManager != null) {
+                NotificationChannel channel = new NotificationChannel(
+                        CHANNEL_ID,
+                        "Channel Name",
+                        NotificationManager.IMPORTANCE_HIGH
+                );
+
+                channel.setDescription("Channel Description");
+                channel.enableLights(true);
+                channel.setLightColor(Color.RED);
+                channel.enableVibration(true);
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+
+
+        NotificationManager notificationManager = (NotificationManager)context.getSystemService(context.NOTIFICATION_SERVICE);
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        notificationManager.notify(R.string.app_name, builder.build());//通知の表示
+    }
+
+
+
+
+
+    public void Bluetooth_status() {
+        IntentFilter intentFilter = new IntentFilter();
+        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() {
+
+
+        //PreferenceManager.getDefaultSharedPreferences("myPreferences",Context.MODE_PRIVATE);
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            SharedPreferences pref=getSharedPreferences("Bluetooth_situation",MODE_PRIVATE);
+            SharedPreferences.Editor e=pref.edit();
+            String action = intent.getAction(); // may need to chain this to a recognizing function
+            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+            Boolean isInCar = pref.getBoolean("isInCarPref", false);
+            Boolean Bluetoothconnect = pref.getBoolean("change", 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)) {
+                //Do something if connected
+                //Bluetoothデバイスが接続されたときの処理
+                e.putBoolean("change", true);
+                e.apply();
+                changeBluetooth();//HomeFragmentの表示を接続にする
+                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");
+                    e.putBoolean("connection_status",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)&&!isInCar) {//bluetoothが切断されたときに乗車状態のとき
+
+                //Do something if disconnected
+                //デバイスが切断されたときの処理
+                e.putBoolean("change", false);
+                e.apply();
+                changeBluetooth();//HomeFragmentの表示を切断にする
+                if (deviceHardwareAddress.equals(registeredId)) {
+                    // 5分待機する
+                    Handler handler = new Handler();
+                    handler.postDelayed(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)&&!isInCar) {//その後bluetoothを再接続したり降車状態になったりしていない＝置き去りが発生した可能性大
+                                NotificationBluetooth(getApplicationContext());//通知を行うメソッド
+                            }}
+
+                    }, 5 *60*1000); // 5分をミリ秒に変換
+                }
+            }else {
+                Log.d("BT", "Device disconnected");
+            }
+        }
+    };
+
+    public void changeBluetooth(){
+        SharedPreferences pref=getSharedPreferences("Bluetooth_situation",MODE_PRIVATE);
+        SharedPreferences.Editor e=pref.edit();
+        Boolean Bluetoothconnect = pref.getBoolean("change", false);
+        Fragment fragment = getSupportFragmentManager().findFragmentById(R.id.fragmentContainerView);
+        ((HomeFragment) fragment).onEvent2(Bluetoothconnect);
     }
 }
+

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

@@ -0,0 +1,16 @@
+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

@@ -0,0 +1,10 @@
+package com.example.childguard;
+
+public interface OnEventListener {
+
+    boolean onEvent(boolean state);
+
+    void onEvent2(boolean BluetoothConnect);
+
+    boolean onEvent2(Boolean Bluetoothconnect);
+}

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

@@ -1,33 +0,0 @@
-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

@@ -1,88 +0,0 @@
-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

@@ -0,0 +1,78 @@
+package com.example.childguard;
+
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.graphics.Bitmap;
+import android.graphics.BitmapFactory;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.drawable.BitmapDrawable;
+import android.util.AndroidRuntimeException;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.WindowManager;
+import android.widget.ImageView;
+
+import androidx.print.PrintHelper;
+
+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 KoteiURL = "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=KoteiURL+key;
+
+
+        int qrCodeSize = calculateQRCodeSize(); // 画面密度に応じてサイズを計算
+        Bitmap QRGazou;
+        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();
+        QRGazou = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
+
+        // Canvasの準備
+        Canvas canvas = new Canvas(QRGazou);
+
+        // 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 QRGazou;
+    }
+    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

@@ -0,0 +1,87 @@
+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","none"));
+
+
+
+                    })
+                    .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

@@ -0,0 +1,86 @@
+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

@@ -0,0 +1,108 @@
+package com.example.childguard;
+
+import static android.content.ContentValues.TAG;
+import static android.content.Context.MODE_PRIVATE;
+
+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();
+
+                            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);
+                        });
+            }
+        });
+    }
+}

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

@@ -0,0 +1,296 @@
+package com.example.childguard;
+
+import android.annotation.SuppressLint;
+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.graphics.Color;
+import android.os.Build;
+import android.os.Handler;
+import android.os.IBinder;
+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 com.google.firebase.firestore.DocumentReference;
+import com.google.firebase.firestore.FirebaseFirestore;
+
+import java.util.HashMap;
+import java.util.Map;
+
+public class TestService extends Service {
+    FirebaseFirestore db;
+    DocumentReference mDocRef;
+
+    public static final String TAG = "InspirationQuote";
+
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+
+
+        //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) {//FireBaseのIDがアプリに登録されているとき
+            Log.d("onResume", "ID not initialized.");
+        } else {
+            mDocRef = FirebaseFirestore.getInstance().document("status/" + IdPref);//現在の位置を取得
+            initNotification(mDocRef);//現在の位置を引数に initNotification()を処理
+        }
+
+        Bluetooth_status();
+        return flags;
+
+
+    }
+
+    private void initNotification(DocumentReference mDocRef) {//サイト上で押されたボタンの管理
+        // PeriodicTaskManagerのインスタンス化
+
+        // 共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
+        //車の乗り降りを管理するtrue=乗車、false=降車
+        //exists()でdocumentSnapshotの中のファイルの存在の確認
+        mDocRef.addSnapshotListener((documentSnapshot, e) -> {
+
+            Log.d("nt", "イベント開始");
+            //共有プリファレンス 書き込みの準備
+            SharedPreferences.Editor E = sharedPreferences.edit();
+            //車の乗り降りを管理するtrue=乗車、false=降車
+            if (documentSnapshot.exists()) {//exists()でdocumentSnapshotの中のファイルの存在の確認
+                Boolean isInCar = sharedPreferences.getBoolean("isInCarPref", false);//現在の乗降状態を保存する共有プリファレンス
+                E.putBoolean("isInCarPref", documentSnapshot.getBoolean("isInCar"));//乗降状態の判定
+                E.apply();//確定処理
+                Log.d("nt", "レスポンスを検知しました1");
+                if (isInCar) {//isReportedがtrue=サイト上で乗車状態のとき
+                    if (documentSnapshot.getBoolean("isReported")) {
+                        ResetReported();// ResetReported();を処理→FireBaseのisReportedをfalseにする
+                        NotificationSetting();//通知に関する設定のメソッド
+                        Notification(getApplicationContext());//通知を行うメソッド
+                    }
+                } else {//isReportedがfalse=サイト上で降車状態のとき
+                    ResetReported();//ResetReported();を処理→FireBaseのisReportedをfalseにする
+                }
+            }
+
+        });
+    }
+
+    public void ResetReported() {//FireBaseのisReportedをfalseに初期化するメソッド
+        //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
+        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
+        DEFAULT_ITEM.put("isReported", false);
+        //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));
+    }
+
+    public void NotificationSetting() {//通知に関する設定の処理を行うメソッド
+        int importance = NotificationManager.IMPORTANCE_DEFAULT;
+        //通知チャネルの実装
+        NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通知", importance);
+        channel.setDescription("第三者により置き去りの通報が行われたときに通知します。");
+
+        NotificationManager notificationManager = getSystemService(NotificationManager.class);
+        notificationManager.createNotificationChannel(channel);
+
+    }
+
+    public void Notification(Context context) {//実際に通知を行うメソッド
+        final String CHANNEL_ID = "my_channel_id";
+        // 通知がクリックされたときに送信されるIntent
+        Intent intent = new Intent(context, MainActivity.class);
+        intent.setAction("OPEN_ACTIVITY");
+        // PendingIntentの作成
+        int requestCode = 100;
+        int flags = 0;
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, requestCode, intent, flags | PendingIntent.FLAG_IMMUTABLE);
+
+        ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(2000);//バイブレーション
+
+        @SuppressLint("NotificationTrampoline") NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
+                .setSmallIcon(android.R.drawable.ic_menu_info_details)
+                .setContentTitle("子供の置き去りをしていませんか？")//通知のタイトル
+                .setContentText("第三者からの通報が行われました。")//通知の本文
+                .setContentIntent(pendingIntent)//通知をタップするとActivityへ移動する
+                .setAutoCancel(true)//通知をタップすると削除する
+                .setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
+
+        // NotificationChannelの作成（Android 8.0以降）
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            if (notificationManager != null) {
+                NotificationChannel channel = new NotificationChannel(
+                        CHANNEL_ID,
+                        "Channel Name",
+                        NotificationManager.IMPORTANCE_HIGH
+                );
+
+                channel.setDescription("Channel Description");
+                channel.enableLights(true);
+                channel.setLightColor(Color.RED);
+                channel.enableVibration(true);
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+
+
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        notificationManager.notify(R.string.app_name, builder.build());//通知の表示
+    }
+
+    public void NotificationBluetooth(Context context) {//実際に通知を行うメソッド
+        final String CHANNEL_ID = "my_channel_id";
+        // 通知がクリックされたときに送信されるIntent
+        Intent intent = new Intent(context, MainActivity.class);
+        intent.setAction("OPEN_ACTIVITY");
+        // PendingIntentの作成
+        int requestCode = 100;
+        int flags = 0;
+        PendingIntent pendingIntent = PendingIntent.getActivity(context, requestCode, intent, flags | PendingIntent.FLAG_IMMUTABLE);
+
+        ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(2000);//バイブレーション
+
+        @SuppressLint("NotificationTrampoline") NotificationCompat.Builder builder = new NotificationCompat.Builder(context, "CHANNEL_ID")
+                .setSmallIcon(android.R.drawable.ic_menu_info_details)
+                .setContentTitle("子供の置き去りをしていませんか？")//通知のタイトル
+                .setContentText("Bluetoothと車の切断から5分が経過しました")//通知の本文
+                .setContentIntent(pendingIntent)//通知をタップするとActivityへ移動する
+                .setAutoCancel(true)//通知をタップすると削除する
+                .setPriority(NotificationCompat.PRIORITY_HIGH) // プライオリティを高く設定
+                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC); // ロック画面に表示する
+
+        // NotificationChannelの作成（Android 8.0以降）
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationManager notificationManager = context.getSystemService(NotificationManager.class);
+            if (notificationManager != null) {
+                NotificationChannel channel = new NotificationChannel(
+                        CHANNEL_ID,
+                        "Channel Name",
+                        NotificationManager.IMPORTANCE_HIGH
+                );
+
+                channel.setDescription("Channel Description");
+                channel.enableLights(true);
+                channel.setLightColor(Color.RED);
+                channel.enableVibration(true);
+                notificationManager.createNotificationChannel(channel);
+            }
+        }
+
+
+        NotificationManager notificationManager = (NotificationManager) context.getSystemService(context.NOTIFICATION_SERVICE);
+        if (ActivityCompat.checkSelfPermission(this, android.Manifest.permission.POST_NOTIFICATIONS) != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        notificationManager.notify(R.string.app_name, builder.build());//通知の表示
+    }
+
+
+    public void Bluetooth_status() {
+        IntentFilter intentFilter = new IntentFilter();
+        intentFilter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
+        intentFilter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
+
+        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() {
+
+
+        //PreferenceManager.getDefaultSharedPreferences("myPreferences",Context.MODE_PRIVATE);
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            SharedPreferences pref = getSharedPreferences("Bluetooth_situation", MODE_PRIVATE);
+            SharedPreferences.Editor e = pref.edit();
+            String action = intent.getAction(); // 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)) {
+                //Do something if connected
+                //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");
+                    e.putBoolean("connection_status", 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) && !isInCar) {//bluetoothが切断されたときに乗車状態のとき
+
+                //Do something if disconnected
+                //デバイスが切断されたときの処理
+                if (deviceHardwareAddress.equals(registeredId)) {
+                    // 5分待機する
+                    Handler handler = new Handler();
+                    handler.postDelayed(new Runnable() {
+                        @Override
+                        public void run() {
+                            if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action) && !isInCar) {//その後bluetoothを再接続したり降車状態になったりしていない＝置き去りが発生した可能性大
+                                NotificationBluetooth(getApplicationContext());//通知を行うメソッド
+                            }
+                        }
+
+                    }, 5 * 60 * 1000); // 5分をミリ秒に変換
+                }
+            } else {
+                Log.d("BT", "Device disconnected");
+            }
+        }
+    };
+
+
+    @Nullable
+    @Override
+    public IBinder onBind(Intent intent) {
+        return null;
+    }
+}

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

@@ -0,0 +1,158 @@
+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

@@ -0,0 +1,5 @@
+<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

@@ -3,11 +3,13 @@
 <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
@@ -15,7 +17,7 @@
         android:name="com.example.childguard.HomeFragment"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/nav_view"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
@@ -34,5 +36,14 @@
         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

@@ -0,0 +1,17 @@
+<?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

@@ -0,0 +1,58 @@
+<?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

@@ -0,0 +1,46 @@
+<?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

@@ -1,96 +1,88 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<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/frameLayout"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    tools:context=".HomeFragment">
+    tools:context=".HomeFragment"
+   >
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
         <FrameLayout
             android:id="@+id/situation_bg"
             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_marginTop="30dp"
             android:layout_marginRight="20dp"
-        >
+            android:background="@drawable/frame_style">
 
             <TextView
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
                 android:layout_marginTop="20dp"
                 android:text="現在の状態"
-            android:textSize="25dp"
+                android:textAlignment="center"
                 android:textColor="@color/black"
-            android:textAlignment="center"/>
+                android:textSize="25dp" />
+
             <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"
-            />
+                android:textColor="@color/black"
+                android:textSize="55dp" />
 
         </FrameLayout>
+
         <FrameLayout
+            android:id="@+id/situation_bg2"
             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_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:textSize="30dp"
+                android:textAlignment="center"
                 android:textColor="@color/black"
-            android:textAlignment="center"/>
+                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"
-            />
+                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"
-            />
+                android:textAlignment="center" />
 
         </FrameLayout>
+    </LinearLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
 
-    <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_marginRight="20dp"
-            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

@@ -6,9 +6,30 @@
     tools:context=".NotificationFragment">
 
     <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <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:text="@string/hello_blank_fragment" />
+        android:weightSum="10"
+        android:orientation="vertical"
+        tools:context=".MainActivity">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_weight="9">
+
+            <androidx.recyclerview.widget.RecyclerView
+                android:id="@+id/recyclerView1"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:scrollbars="vertical"/>
+
+        </LinearLayout>
+
+
+    </LinearLayout>
+
 
 </FrameLayout>

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

@@ -5,12 +5,6 @@
     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

@@ -0,0 +1,33 @@
+<?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

@@ -0,0 +1,56 @@
+<?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

@@ -0,0 +1,12 @@
+<?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

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

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

@@ -2,4 +2,5 @@
     <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

@@ -1,5 +1,10 @@
-// Top-level build file where you can add configuration options common to all sub-projects/modules.
+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.
 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
 }