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

@@ -1,6 +1,7 @@
 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;
@@ -83,13 +84,13 @@ public class HomeFragment extends Fragment {
         // Inflate the layout for this fragment
         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 preferences = PreferenceManager.getDefaultSharedPreferences(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 = preferences.getBoolean("alreadySaved", false);
+            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);
@@ -97,7 +98,7 @@ public class HomeFragment extends Fragment {
             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();
+                Toast.makeText(getActivity(), "再印刷", Toast.LENGTH_SHORT).show();
                 QrPrintFragment qrPrintFragment = new QrPrintFragment();
                 replaceFragment(qrPrintFragment);
                 return;
@@ -121,17 +122,17 @@ public class HomeFragment extends Fragment {
                             //成功したら
                             //documentReference.getId()でID取得
                             Log.d(TAG, "DocumentSnapshot added with ID: " + documentReference.getId());
-                            SharedPreferences.Editor e = preferences.edit();
+                            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();
+                            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);
+                            bundle.putString("STR_KEY", str_key);
                             //値を書き込む
                             qrPrintFragment.setArguments(bundle);
                             replaceFragment(qrPrintFragment);
@@ -158,11 +159,8 @@ public class HomeFragment extends Fragment {
     public void onResume() {
         super.onResume();
         Log.d("HomeFragment", "onResume: called");
-        Bundle args = getArguments();
-        if (args != null) {//argsの中に値が入っている。
         Cargettingonandoff();//メソッドCargettingonandoff()を実行
     }
-    }
 
     //画面遷移メソッド
     private void replaceFragment(Fragment fragment) {
@@ -177,12 +175,13 @@ 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 preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        //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 = preferences.getBoolean("car", false);
-        SharedPreferences.Editor e = preferences.edit();
+        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);
@@ -192,14 +191,11 @@ public class HomeFragment extends Fragment {
             //降車状態にする
             fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style, null));
             tv.setText(get_off);
-            e.putBoolean("car", false);
-            e.apply();
+
         } else {
             //乗車状態にする
             fl.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.frame_style_orange, null));
             tv.setText(get_on);
-            e.putBoolean("car", true);
-            e.apply();
         }
 
 

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

@@ -47,7 +47,7 @@ public class MainActivity extends AppCompatActivity {
     BluetoothAdapter bluetoothAdapter;
 
     public static final String TAG = "InspirationQuote";
-    private DocumentReference mDocRef = FirebaseFirestore.getInstance().document("users/rrVGKi77MAemxvPZrktm");//現在の位置を取得
+
     boolean flg = false;
 
     //↓日付を取得するやつ
@@ -86,17 +86,44 @@ public class MainActivity extends AppCompatActivity {
 
 
         });
+
+    }
+
+    @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")) {
 
+                    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);
@@ -109,11 +136,21 @@ public class MainActivity extends AppCompatActivity {
                             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",true);
+                        bundle.putBoolean("親",zyoukouzyoutai);
                         fragment.setArguments(bundle);
                         getSupportFragmentManager()
                                 .beginTransaction()

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

@@ -1,5 +1,7 @@
 package com.example.childguard;
 
+import static android.content.Context.MODE_PRIVATE;
+
 import android.content.SharedPreferences;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
@@ -75,10 +77,10 @@ public class QrPrintFragment extends Fragment {
    // @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 preferences = PreferenceManager.getDefaultSharedPreferences(getActivity());
+        //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=preferences.getString("ID",null);
+        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
@@ -90,7 +92,7 @@ public class QrPrintFragment extends Fragment {
             //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 = preferences.edit();
+            SharedPreferences.Editor e = sharedPreferences.edit();
             e.putString("ID", userURL);
             //確定処理
             e.apply();