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

@@ -1,21 +0,0 @@
-package com.example.childguard;
-
-import android.content.Context;
-import android.content.SharedPreferences;
-import android.preference.PreferenceManager;
-
-import androidx.appcompat.app.AppCompatActivity;
-
-public class Bluetooth_device_save extends AppCompatActivity {
-    final SharedPreferences pref= PreferenceManager.getDefaultSharedPreferences(this);
-    public Bluetooth_device_save() {
-    }
-    public void device_save(String deviceAddress){
-        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/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

@@ -3,9 +3,25 @@ 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.content.pm.PackageManager;
+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;
@@ -28,6 +44,7 @@ import com.google.firebase.firestore.FirebaseFirestore;
 
 import java.util.HashMap;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -151,10 +168,20 @@ public class HomeFragment extends Fragment {
         });
         //bluetooth設定ボタンの処理
         Button bt2 = view.findViewById(R.id.Bluetooth_setup);
-        bt2.setOnClickListener(v -> replaceFragment(new bluetooth_setupFragment()));
+        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();
@@ -201,3 +228,4 @@ public class HomeFragment extends Fragment {
 
     }
 }
+

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

@@ -10,9 +10,13 @@ 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;
@@ -34,6 +38,9 @@ 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;
@@ -162,8 +169,60 @@ public class MainActivity extends AppCompatActivity {
                 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 notifyMain() {
         //↓通知をする際に起動するバイブレーション

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

@@ -82,7 +82,8 @@ public class QRFragment extends Fragment {
                     //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
                 if(!((result.getContents()).contains("https://practicefirestore1-8808c.web.app/"))) {
                     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();
-                } else {
+                }
+                else {
                     //URLの表示
                     Toast.makeText(getContext(), result.getContents(), Toast.LENGTH_SHORT).show();
                     //ブラウザを起動し、URL先のサイトを開く

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/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/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

@@ -107,6 +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/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>