Merge branch 'main' into itazuraboushi

・乗車状態のときのみ第三者通報を有効にすることでいたずらを防止する処理
・画面の向きを変えたときに乗降状態がそれぞれの向きで独立してしまうバグの修正
・アプリを一度終了したときに乗降状態がリセットしてしまうバグの修正
・アプリをFireBaseのIDと紐づけることで、そのスマホで生成したQRコードのサイトでボタンを押したときにアプリの状態が変化する処理

app/build.gradle

@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -58,7 +59,14 @@ dependencies {
     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'

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

@@ -34,7 +34,6 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".UrlPageActivity" />
     </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/HomeFragment.java

@@ -1,15 +1,27 @@
 package com.example.childguard;
 
+import static android.content.ContentValues.TAG;
+import static android.content.Context.MODE_PRIVATE;
+
+import android.bluetooth.BluetoothDevice;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
 import android.content.SharedPreferences;
-import android.graphics.Color;
+import android.content.pm.PackageManager;
-import android.graphics.drawable.Drawable;
+import android.graphics.Bitmap;
 import android.os.Bundle;
 
+import androidx.core.app.ActivityCompat;
 import androidx.core.content.res.ResourcesCompat;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.FragmentTransaction;
+import androidx.print.PrintHelper;
 
+import android.preference.PreferenceManager;
+import android.text.PrecomputedText;
+import android.util.AndroidRuntimeException;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -17,6 +29,22 @@ import android.view.ViewGroup;
 import android.widget.Button;
 import android.widget.FrameLayout;
 import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.annotation.NonNull;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+
+import com.google.android.gms.tasks.OnFailureListener;
+import com.google.android.gms.tasks.OnSuccessListener;
+import com.google.firebase.firestore.DocumentReference;
+import com.google.firebase.firestore.FirebaseFirestore;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Objects;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -24,6 +52,7 @@ import android.widget.TextView;
  * create an instance of this fragment.
  */
 public class HomeFragment extends Fragment {
+    FirebaseFirestore db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
 
     // TODO: Rename parameter arguments, choose names that match
     // the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
@@ -31,7 +60,7 @@ 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() {
@@ -60,7 +89,7 @@ public class HomeFragment extends Fragment {
     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);
         }
     }
@@ -68,43 +97,98 @@ public class HomeFragment extends Fragment {
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
+        //    Log.d("HomeFlagment_cnt", "aaaaa");
         // Inflate the layout for this fragment
-        //bluetooth設定ボタンの処理
         View view = inflater.inflate(R.layout.fragment_home, container, false);
         MainActivity activity = (MainActivity) getActivity();
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
+        //QRコード印刷の処理
+        Button bt1 = view.findViewById(R.id.QRprinting);
+        bt1.setOnClickListener(v -> {
+            //初回起動かを保存する変数
+            boolean alreadySaved = sharedPreferences.getBoolean("alreadySaved", false);
+            //ボタン変数の宣言
+            Button parent = view.findViewById(R.id.QRprinting);
+            Button born = view.findViewById(R.id.QRprinting);
+            //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();
+                QrPrintFragment qrPrintFragment = new QrPrintFragment();
+                replaceFragment(qrPrintFragment);
+                return;
+            } else Log.d("HomeFragment", "not printed yet"); // debug
 
-        Button bt1=view.findViewById(R.id.Bluetooth_setup);
+            String valueParent = parent.getText().toString();//変数に文字列を代入
-        bt1.setOnClickListener(new View.OnClickListener() {
+            String valueBorn = born.getText().toString();//変数に文字列を代入
+            Map<String, String> user = new HashMap<>();//mapの宣言
+
+            Log.d("HomeFragment", "onClick is called");
+
+            //mapに入れる
+            user.put("parent", valueParent);
+            user.put("born", valueBorn);
+            //新しいドキュメントにIDを作って追加
+            db.collection("users")
+                    .add(user)
+                    .addOnSuccessListener(new OnSuccessListener<DocumentReference>() {
+                        @Override
+                        public void onSuccess(DocumentReference 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
+                            str_key = "" + documentReference.getId();
+                            Toast.makeText(getActivity(), "初回登録", Toast.LENGTH_SHORT).show();
+                            QrPrintFragment qrPrintFragment = new QrPrintFragment();
+                            Bundle bundle = new Bundle();
+                            bundle.putString("STR_KEY", str_key);
+                            //値を書き込む
+                            qrPrintFragment.setArguments(bundle);
+                            replaceFragment(qrPrintFragment);
+
+                        }
+                    })
+                    .addOnFailureListener(new OnFailureListener() {
+                        @Override
+                        public void onFailure(@NonNull Exception e) {
+                            //失敗したら
+                            Log.w(TAG, "Error adding document", e);
+                        }
+                    });
+
+
+        });
+        //bluetooth設定ボタンの処理
+        Button bt2 = view.findViewById(R.id.Bluetooth_setup);
+        bt2.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 replaceFragment(new bluetooth_setupFragment());
             }
         });
+
+        //デバック用ボタン
+        view.findViewById(R.id.bt_debug).setOnClickListener( v -> {
+            Toast.makeText(getContext(), PreferenceManager.getDefaultSharedPreferences(getContext().getApplicationContext()).getString("bluetooth_device_id", "none"), Toast.LENGTH_SHORT).show();
+        });
+
         return view;
     }
-
     @Override
     public void onResume() {
         super.onResume();
         Log.d("HomeFragment", "onResume: called");
-        TextView situationTextView = getView().findViewById(R.id.situation);
+        Cargettingonandoff();//メソッドCargettingonandoff()を実行
-        FrameLayout situation_bg=getView().findViewById(R.id.situation_bg);
-        updateInCarStatus(situationTextView,situation_bg);
     }
 
-    public void updateInCarStatus(TextView situationTextView,FrameLayout situation_bg) {
-        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("default", 0);
-
-        Log.d("HomeFragment", "updateInCarStatus: " + sharedPreferences.getBoolean("inCar", false));
-        if (sharedPreferences.getBoolean("inCar", false)) {
-            situationTextView.setText("\n降車状態");
-            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
-        } else {
-            situationTextView.setText("\n乗車状態");
-            situation_bg.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, 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
@@ -118,4 +202,30 @@ public class HomeFragment extends Fragment {
         // フラグメントトランザクションをコミット
         transaction.commit();
     }
+
+    public void Cargettingonandoff() {
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
+        //車の乗り降りを管理するtrue=乗車、false=降車
+        Boolean zyoukouzyoutai = sharedPreferences.getBoolean("car", false);
+        SharedPreferences.Editor e = sharedPreferences.edit();
+        String get_on = "\n乗車状態";
+        String get_off = "\n降車状態";
+        TextView tv = getView().findViewById(R.id.situation);
+        FrameLayout fl = getView().findViewById(R.id.situation_bg);
+
+        if (zyoukouzyoutai == true) {   //乗降状態の判定
+            //降車状態にする
+            fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
+            tv.setText(get_off);
+
+        } else {
+            //乗車状態にする
+            fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
+            tv.setText(get_on);
         }
+
+
+    }
+}
+

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

@@ -6,45 +6,75 @@ 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.bluetooth.BluetoothAdapter;
+import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothManager;
+import android.content.BroadcastReceiver;
 import android.content.Context;
+import android.content.SharedPreferences;
+import android.content.Intent;
+import android.content.IntentFilter;
 import android.content.pm.PackageManager;
+import android.graphics.Color;
 import android.os.Bundle;
 import android.os.Vibrator;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
 
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
 import java.util.Random;
 import java.util.UUID;
 
+import android.preference.PreferenceManager;
+import android.util.Log;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+import android.widget.Toast;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.res.ResourcesCompat;
+import androidx.core.graphics.Insets;
+import androidx.core.view.ViewCompat;
+import androidx.core.view.WindowInsetsCompat;
+
+import com.google.firebase.firestore.DocumentReference;
+import com.google.firebase.firestore.DocumentSnapshot;
+import com.google.firebase.firestore.EventListener;
+import com.google.firebase.firestore.FirebaseFirestore;
+import com.google.firebase.firestore.FirebaseFirestoreException;
+
 public class MainActivity extends AppCompatActivity {
 
     BluetoothManager bluetoothManager;
     BluetoothAdapter bluetoothAdapter;
 
+    public static final String TAG = "InspirationQuote";
+
+    boolean flg = false;
+
+    //↓日付を取得するやつ
+    public static String getNowDate() {
+        @SuppressLint("SimpleDateFormat") final DateFormat df = new SimpleDateFormat("yyy/MM/dd HH:mm:ss");
+        final Date date = new Date(System.currentTimeMillis());
+        return df.format(date);
+    }
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-
+        super.onStart();
-
-        //通知のやつ↓
-        int importance = NotificationManager.IMPORTANCE_DEFAULT;
-
-        NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "サンプルアプリ", importance);
-        channel.setDescription("説明・説明　ここに通知の説明を書くことができる");
-
-        NotificationManager notificationManager = getSystemService(NotificationManager.class);
-        notificationManager.createNotificationChannel(channel);
-        //通知のやつ↑
-
 
         BottomNavigationView bottomNavigationView = findViewById(R.id.nav_view);
 
-        bottomNavigationView.setOnNavigationItemSelectedListener(v -> {
+        bottomNavigationView.setOnNavigationItemSelectedListener(v ->
+
+        {
             if (v.getItemId() == findViewById(R.id.navigation_home).getId()) {
                 getSupportFragmentManager().beginTransaction()
                         .replace(findViewById(R.id.fragmentContainerView).getId(), HomeFragment.newInstance("test", "tset"))
@@ -61,17 +91,148 @@ public class MainActivity extends AppCompatActivity {
 
             return true;
 
+
         });
+
     }
 
+    @Override
+    protected void onResume() {
+        super.onResume();
+        SharedPreferences sharedPreferences = getSharedPreferences("app_situation", MODE_PRIVATE);
+        String IdPref = sharedPreferences.getString("ID", null);
+        if (IdPref == null) {
+            Log.d("onResume", "ID not initialized.");
+            return;
+        }
+        DocumentReference mDocRef = FirebaseFirestore.getInstance().document("users/" + IdPref);//現在の位置を取得
+        initNotification(mDocRef);
+    }
+
+    private void initNotification(DocumentReference mDocRef) {
+
+        // Init pref
+        SharedPreferences sharedPreferences = getSharedPreferences("app_situation",MODE_PRIVATE);
+
+        mDocRef.addSnapshotListener(this, new EventListener<DocumentSnapshot>() {
+            @Override
+            public void onEvent(@Nullable DocumentSnapshot documentSnapshot, @Nullable FirebaseFirestoreException 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
+                boolean zyoukouzyoutai = sharedPreferences.getBoolean("car", false);
+                if (flg && documentSnapshot != null && documentSnapshot.exists()) {
+
+                    String parent = documentSnapshot.getString("parent");
+                    Log.d("nt", "レスポンスを検知しました1");
+
+                    if (parent.equals("s")) {//FireBaseの更新情報が"S"のとき＝サイト上で第三者ボタンが押されたとき
+                        if(zyoukouzyoutai==false) {//いたずら防止
+                            //通知のやつ↓
+
+                            int importance = NotificationManager.IMPORTANCE_DEFAULT;
+
+                            NotificationChannel channel = new NotificationChannel("CHANNEL_ID", "通報通知", importance);
+                            //説明・説明　ここに通知の説明を書くことができる↓
+                            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);
+                            //通知のやつ↑
+                            Log.d("nt", "レスポンスを検知しました2");
+
+                            notifyMain();
+
+                        }
+                    } else {
+                        if(zyoukouzyoutai==true){//乗降状態の判定
+                            E.putBoolean("car", false);//降車状態にする
+                            E.apply();//確定処理
+                        }else{
+                            E.putBoolean("car", true);//乗車状態にする
+                            E.apply();//確定処理
+                        }
+                        Log.w(TAG, "Got an exceptiion!", e);
+                        //HomeFragmentへ遷移する
+                        HomeFragment fragment = new HomeFragment();
+                        Bundle bundle = new Bundle();
+                        bundle.putBoolean("親",zyoukouzyoutai);
+                        fragment.setArguments(bundle);
+                        getSupportFragmentManager()
+                                .beginTransaction()
+                                .add(android.R.id.content, fragment)
+                                .commit();
+                    }
+
+                }
+                flg = true;
+            }
+        });
+
+        //Bluetooth検知機能
+        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);
+
+    }
+
+
+    //Bluetoothの検知機能
+    private final BroadcastReceiver receiver = new BroadcastReceiver() {
+
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            String action = intent.getAction(); // may need to chain this to a recognizing function
+            BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
+            HomeFragment homeFragment=new HomeFragment();
+
+            if (ActivityCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
+                Log.d("BT", "No permission to connect bluetooth devices");
+                return;
+            }
+            String deviceName = device.getName();
+            String deviceHardwareAddress = device.getAddress(); // MAC address
+
+            if (BluetoothDevice.ACTION_ACL_CONNECTED.equals(action)) {
+                //Do something if connected
+                Log.d("BT", "Device connected");
+
+                String registeredId = PreferenceManager.getDefaultSharedPreferences(getApplicationContext()).getString("bluetooth_device_id", "none");
+
+                Log.d("BT_Judge", "Registered: " + registeredId);
+
+                if (deviceHardwareAddress.equals(registeredId)) {
+                    Log.d("BT_Judge", "登録済み");
+                } else Log.d("BT_Judge", "未登録");
+
+            } else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
+                //Do something if disconnected
+                Log.d("BT", "Device disconnected");
+
+            }
+        }
+    };
+
     //↓通知のやつ
-    public void notifyTest() {
+    public void notifyMain() {
+        //↓通知をする際に起動するバイブレーション
         ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(1000);
+        //↓通知の詳細設定的な奴
         NotificationCompat.Builder builder = new NotificationCompat
                 .Builder(this, "CHANNEL_ID")
                 .setSmallIcon(android.R.drawable.ic_menu_info_details)
-                .setContentTitle("タイトル")
+                .setContentTitle("通報検知")
-                .setContentText("メッセージ・メッセージ")
+                .setContentText("子供の置き去りを検知しました。")
                 .setPriority(NotificationCompat.PRIORITY_DEFAULT);
 
         NotificationManagerCompat notificationManager = NotificationManagerCompat.from(this);
@@ -90,6 +251,7 @@ public class MainActivity extends AppCompatActivity {
 
 
     }
+
     //Bluetooth_setupの戻るボタン
     public void setupBackButton(boolean enableBackButton) {
         ActionBar actionBar = getSupportActionBar();

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

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

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

@@ -9,6 +9,8 @@ import androidx.activity.result.ActivityResultLauncher;
 import androidx.activity.result.contract.ActivityResultContracts;
 import androidx.browser.customtabs.CustomTabsIntent;
 import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
 
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -74,22 +76,17 @@ public class QRFragment extends Fragment {
 
     }
 
-    //FragmentからActivityへデータの受け渡しをするためのInterface
-//    public interface OnDataPass{
-//        void onDataPass(String urlPass);
-//    }
     private final ActivityResultLauncher<ScanOptions> fragmentLauncher = registerForActivityResult(new ScanContract(),
             result -> {
-                    //QRコードからデータを読み取れたかの確認
+                    //result.getContents()でURLを入手
-                if(result.getContents() == null) {
+                    //読み取ったQRコードがChiled Guard用サイトのドメインを含むかの判定
-                    Toast.makeText(getContext(), "Cancelled from fragment", Toast.LENGTH_LONG).show();
+                if(!((result.getContents()).contains("https://practicefirestore1-8808c.web.app/"))) {
-                } else {
+                    Toast.makeText(getContext(), "Chiled Guardに対応するQRコードではありません", Toast.LENGTH_LONG).show();
-//                    dataPass.onDataPass(result.getContents());
+                }
-                    //画面遷移
+                else {
+                    //URLの表示
                     Toast.makeText(getContext(), result.getContents(), Toast.LENGTH_SHORT).show();
-//                    Intent intent=new Intent(getActivity(),UrlPageActivity.class);
+                    //ブラウザを起動し、URL先のサイトを開く
-//                    startActivity(intent);
-
                     CustomTabsIntent.Builder builder = new CustomTabsIntent.Builder();
                     CustomTabsIntent customTabsIntent = builder.build();
                     customTabsIntent.launchUrl(requireContext(), Uri.parse(result.getContents()));
@@ -103,15 +100,26 @@ public class QRFragment extends Fragment {
         // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_qr, container, false);
 
-        Button cameraButton = view.findViewById(R.id.camera);
 
-        cameraButton.setOnClickListener(v -> {
             Log.d("QRFragment", "onClick: called");
             //QRリーダ起動
             fragmentLauncher.launch(new ScanOptions());
-        });
+            HomeFragment homeFragment=new HomeFragment();
-
+            replaceFragment(homeFragment);
         return view;
     }
+    //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();
+    }
 }
 

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

@@ -0,0 +1,156 @@
+package com.example.childguard;
+
+import static android.content.Context.MODE_PRIVATE;
+
+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.os.Bundle;
+
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentTransaction;
+import androidx.print.PrintHelper;
+
+import android.preference.PreferenceManager;
+import android.util.AndroidRuntimeException;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.WriterException;
+import com.journeyapps.barcodescanner.BarcodeEncoder;
+
+/**
+ * A simple {@link Fragment} subclass.
+ * Use the {@link QrPrintFragment#newInstance} factory method to
+ * create an instance of this fragment.
+ */
+public class QrPrintFragment 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 QrPrintFragment() {
+        // 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 QrPrintFragment.
+     */
+    // TODO: Rename and change types and number of parameters
+    public static QrPrintFragment newInstance(String param1, String param2) {
+        QrPrintFragment fragment = new QrPrintFragment();
+        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) {
+        //共有プリファレンス全体の準備
+        SharedPreferences sharedPreferences = getActivity().getSharedPreferences("app_situation", MODE_PRIVATE);
+        //User毎のドメインを保存する
+        String IdPref=sharedPreferences.getString("ID",null);
+        // Inflate the layout for this fragment
+        View view=inflater.inflate(R.layout.fragment_qr_print, container, false);;
+        //固定のドメイン
+        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
+        if(IdPref==null) {
+            //User毎のドメイン
+            String userURL = getArguments().getString("STR_KEY");
+            //キー"ID"の値をuserURLの値にする
+            SharedPreferences.Editor e = sharedPreferences.edit();
+            e.putString("ID", userURL);
+            //確定処理
+            e.apply();
+            //二つのドメインを合成する
+            AllURL=KoteiURL+userURL;
+        }else{
+            //二つのドメインを合成する
+            AllURL=KoteiURL+IdPref;
+        }
+
+        int size = 2500;
+        ImageView imageViewQrCode;
+        Bitmap QRGazou;
+        try {
+            //QRコード生成
+            BarcodeEncoder barcodeEncoder = new BarcodeEncoder();
+            Bitmap bitmapqr = barcodeEncoder.encodeBitmap(AllURL, BarcodeFormat.QR_CODE, size, size);
+            imageViewQrCode = (ImageView) view.findViewById(R.id.qr_view);
+            imageViewQrCode.setTranslationX(1000);
+            imageViewQrCode.setTranslationY(1000);
+            imageViewQrCode.setImageBitmap(bitmapqr);
+        } catch (WriterException e) {
+            throw new AndroidRuntimeException("Barcode Error.", e);
+        }
+        //    画像合成の準備
+        //    ここのエラーは直すと何故か動かなくなる。このままで動くので放置
+        Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.a_group_qr_sos);
+        Bitmap bitmap1 = ((BitmapDrawable) imageViewQrCode.getDrawable()).getBitmap();
+        int width = bitmap.getWidth(); // 元ファイルの幅取得
+        int height = bitmap.getHeight(); // 元ファイルの高さ取得
+        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 - bitmap1.getWidth()) / 2;
+        int disHeight = (int) ((height - bitmap1.getHeight()) / 1.3);
+        canvas.drawBitmap(bitmap, 0, 0, (Paint) null); // image, x座標, y座標, Paintインスタンス
+        canvas.drawBitmap(bitmap1, 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
+        PrintHelper printHelper = new PrintHelper(getActivity());
+        printHelper.setColorMode(PrintHelper.COLOR_MODE_COLOR);
+        printHelper.setScaleMode(PrintHelper.SCALE_MODE_FIT);
+        printHelper.printBitmap("job_name", QRGazou);
+        HomeFragment homeFragment=new HomeFragment();
+        replaceFragment(homeFragment);
+        return view;
+    }
+      //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();
+    }
+}

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

@@ -1,5 +1,9 @@
 package com.example.childguard;
 
+import android.bluetooth.BluetoothAdapter;
+import android.content.Context;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
@@ -8,19 +12,26 @@ 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;
+import java.util.function.Predicate;
 
 public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ItemViewHolder> {
 
     ArrayList<String[]> deviceList;
 
+    Context applicationContext;
+    View parentView;
+
     // Constructor
-    public RecyclerAdapter(ArrayList<String[]> deviceList) {
+    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
@@ -35,7 +46,28 @@ public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ItemVi
     public void onBindViewHolder(@NonNull ItemViewHolder holder, int position) {
         holder.textView.setText(deviceList.get(position)[0]);
         holder.textView.setOnClickListener( v -> {
-            Toast.makeText(v.getContext(), deviceList.get(position)[1], Toast.LENGTH_SHORT).show();
+
+            // 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();
         });
     }
 

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/UrlPageActivity.java

@@ -1,16 +0,0 @@
-package com.example.childguard;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-import android.content.SharedPreferences;
-import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.webkit.WebView;
-
-public class UrlPageActivity extends AppCompatActivity {
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_url_page);
-    }
-}

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

@@ -1,5 +1,6 @@
 package com.example.childguard;
 
+import android.annotation.SuppressLint;
 import android.app.Activity;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
@@ -15,11 +16,13 @@ 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;
@@ -100,9 +103,9 @@ public class bluetooth_setupFragment extends Fragment {
         }
         Set<BluetoothDevice> pairedDevices = bluetoothAdapter.getBondedDevices();
 
-        RecyclerView recyclerView = view.findViewById(R.id.recyclerView1);
+        RecyclerView recyclerView1 = view.findViewById(R.id.recyclerView1);
         //RecyclerViewのサイズを固定
-        recyclerView.setHasFixedSize(true);
+        recyclerView1.setHasFixedSize(true);
 
         //RecyclerViewに区切り線を入れる
 //        RecyclerView.ItemDecoration itemDecoration =
@@ -111,7 +114,8 @@ public class bluetooth_setupFragment extends Fragment {
 
         //レイアウトマネージャを設
         RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getContext());
-        recyclerView.setLayoutManager(layoutManager);
+        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<>();
@@ -134,14 +138,21 @@ public class bluetooth_setupFragment extends Fragment {
                 Log.d("b", s[0]);
             }
             Log.d(" ", String.valueOf(arrayList.size()));
-            RecyclerAdapter adapter = new RecyclerAdapter(arrayList);
+            RecyclerAdapter adapter = new RecyclerAdapter(arrayList, requireActivity().getApplicationContext(), view);
+
 
             //④RecyclerViewとAdapterの結び付け
-            recyclerView.setAdapter(adapter);
+            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/layout/activity_main.xml

@@ -8,7 +8,8 @@
     android:layout_height="match_parent"
     android:orientation="vertical"
     android:background="@color/white"
-    tools:context=".MainActivity">
+    tools:context=".MainActivity"
+    >
 
 
     <androidx.fragment.app.FragmentContainerView

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

@@ -1,14 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".UrlPageActivity">
-    <WebView
-        android:id="@+id/url_page"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        />
-
-</androidx.constraintlayout.widget.ConstraintLayout>

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

@@ -6,21 +6,53 @@
     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="match_parent"
+        android:layout_height="wrap_content"
         android:scrollbars="vertical"/>
 
     <TextView
-        android:id="@+id/click_device"
         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_home.xml

@@ -6,7 +6,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:orientation="vertical"
-    tools:context=".HomeFragment">
+    tools:context=".HomeFragment"
+   >
 
 
     <ScrollView
@@ -14,13 +15,16 @@
         android:layout_height="0dp"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent">
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.0">
 
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="vertical">
+
             <FrameLayout
                 android:id="@+id/situation_bg"
                 android:layout_width="match_parent"
@@ -103,6 +107,16 @@
                 android:textColor="@color/white"
                 android:textSize="40dp" />
 
+            <Button
+                android:id="@+id/bt_debug"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:backgroundTint="#778899"
+                android:text="Bluetooth設定"
+                android:textColor="@color/white"
+                android:textSize="40dp" />
+
+
             <FrameLayout
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"

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

@@ -6,9 +6,18 @@
     tools:context=".NotificationFragment">
 
     <!-- TODO: Update blank fragment layout -->
-    <TextView
+    <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:text="@string/hello_blank_fragment" />
+            android:scrollbars="vertical"/>
+
+    </LinearLayout>
 
 </FrameLayout>

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

@@ -5,13 +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/recycler_row.xml

@@ -6,6 +6,7 @@
         android:id="@+id/textView1"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:textSize="30sp"/>
+        android:textSize="30sp"
+        android:textColor="@color/black"/>
 
 </LinearLayout>

build.gradle

@@ -1,4 +1,8 @@
-// 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