void onEvent2, boolean onEvent2を削除

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

@@ -80,6 +80,12 @@ public class HomeFragment extends Fragment implements OnEventListener {
         super.onResume();
         Log.d("HomeFragment", "onResume: called");
         this.updateUiState(getIsInCarLocal());
+        this.updateBluetoothSituation(isBluetoothConnected());
+    }
+
+    private boolean isBluetoothConnected() {
+        SharedPreferences pref = requireActivity().getSharedPreferences("Bluetooth_situation", requireActivity().MODE_PRIVATE);
+        return pref.getBoolean("status", false);
     }
 
     private boolean getIsInCarLocal() {
@@ -174,17 +180,5 @@ public class HomeFragment extends Fragment implements OnEventListener {
 
         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

@@ -427,9 +427,7 @@ public class MainActivity extends AppCompatActivity {
             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
+                changeBluetooth(true);
                 Log.d("BT", "Device connected");
 
                 Log.d("BT_Judge", "Registered: " + registeredId);
@@ -450,9 +448,7 @@ public class MainActivity extends AppCompatActivity {
 
                 //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
+                changeBluetooth(false);
                 if (deviceHardwareAddress.equals(registeredId)) {
                     // 5分待機する
                     Handler handler = new Handler();
@@ -471,12 +467,8 @@ public class MainActivity extends AppCompatActivity {
         }
     };
 
-    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);
+    public void changeBluetooth(boolean actual){
+        getSharedPreferences("Bluetooth_situation",MODE_PRIVATE).edit().putBoolean("status",actual).apply();
     }
 }
 

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

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

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

@@ -3,8 +3,4 @@ package com.example.childguard;
 public interface OnEventListener {
 
     boolean onEvent(boolean state);
-
-    void onEvent2(boolean BluetoothConnect);
-
-    boolean onEvent2(Boolean BluetoothConnect);
 }

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

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".NotificationFragment">
+
+    <!-- TODO: Update blank fragment layout -->
+    <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: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>