Bluetoothの接続状態を返却する機能を追加

.idea/gradle.xml

@@ -6,7 +6,7 @@
       <GradleProjectSettings>
         <option name="testRunner" value="GRADLE" />
         <option name="externalProjectPath" value="$PROJECT_DIR$" />
-        <option name="gradleJvm" value="Embedded JDK" />
+        <option name="gradleJvm" value="jbr-17" />
         <option name="modules">
           <set>
             <option value="$PROJECT_DIR$" />

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

@@ -18,6 +18,7 @@ import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Vibrator;
+import android.preference.PreferenceFragment;
 import android.preference.PreferenceManager;
 import android.util.Log;
 import android.view.View;
@@ -46,6 +47,7 @@ public class MainActivity extends AppCompatActivity {
     BluetoothManager bluetoothManager;
     BluetoothAdapter bluetoothAdapter;
 
+
     DocumentReference mDocRef;
 
     private HomeFragment homeFragment;
@@ -81,6 +83,11 @@ public class MainActivity extends AppCompatActivity {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
 
+        //Bluetooth接続判定用
+        SharedPreferences pref=PreferenceManager.getDefaultSharedPreferences(this);
+        SharedPreferences.Editor e=pref.edit();
+        e.putBoolean("connection_status",false);
+
         db = FirebaseFirestore.getInstance();//Firebaseとの紐づけ
 
         BottomNavigationView bottomNavigationView = findViewById(R.id.nav_view);
@@ -187,12 +194,19 @@ public class MainActivity extends AppCompatActivity {
 
 
     //Bluetoothの検知機能
+
     private final BroadcastReceiver receiver = new BroadcastReceiver() {
 
+
+                //PreferenceManager.getDefaultSharedPreferences("myPreferences",Context.MODE_PRIVATE);
+
         @Override
         public void onReceive(Context context, Intent intent) {
+            SharedPreferences pref= PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+            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);
+
 //            HomeFragment homeFragment=new HomeFragment();
 
             if (ActivityCompat.checkSelfPermission(context, android.Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
@@ -211,12 +225,19 @@ public class MainActivity extends AppCompatActivity {
 
                 if (deviceHardwareAddress.equals(registeredId)) {
                     Log.d("BT_Judge", "登録済み");
-                } else Log.d("BT_Judge", "未登録");
+                    e.putBoolean("connection_status",true);
+
+                } else{
+                    Log.d("BT_Judge", "未登録");
+                    e.putBoolean("connection_status",false);
+                }
+                e.apply();
 
             } else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
                 //Do something if disconnected
                 Log.d("BT", "Device disconnected");
-
+                e.putBoolean("connection_status",false);
+                e.apply();
             }
         }
     };

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

@@ -64,6 +64,8 @@ public class TestService extends Service {
             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;
 
 
@@ -272,6 +274,78 @@ public class TestService extends Service {
             handler.removeCallbacks(periodicTask);
         }
     }
+
+
+    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= PreferenceManager.getDefaultSharedPreferences(getApplicationContext());
+            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);
+
+//            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 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");
+                    e.putBoolean("connection_status",true);
+
+                } else{
+                    Log.d("BT_Judge", "未登録");
+                    e.putBoolean("connection_status",false);
+                }
+                e.apply();
+
+            } else if (BluetoothDevice.ACTION_ACL_DISCONNECTED.equals(action)) {
+                //Do something if disconnected
+                Log.d("BT", "Device disconnected");
+                e.putBoolean("connection_status",false);
+                e.apply();
+            }
+        }
+    };
+
+
+
+
+//    public void bluetoothTest() {
+//        SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this);
+//        Boolean b = pref.getBoolean("connection_status", false);
+//        Log.d("bluetooth", b.toString());
+//    }
     @Nullable
     @Override
     public IBinder onBind(Intent intent) {