diff --git a/app/build.gradle b/app/build.gradle
index 6150f78..71a9f46 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,6 +1,7 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id 'com.google.gms.google-services'
 }
 
 android {
@@ -58,6 +59,7 @@ 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'
 
 
     testImplementation 'junit:junit:4.13.2'
diff --git a/app/src/main/java/com/example/childguard/MainActivity.java b/app/src/main/java/com/example/childguard/MainActivity.java
index 4de4695..9d01fb7 100644
--- a/app/src/main/java/com/example/childguard/MainActivity.java
+++ b/app/src/main/java/com/example/childguard/MainActivity.java
@@ -24,11 +24,25 @@ import java.util.Date;
 import java.util.Random;
 import java.util.UUID;
 
+import android.util.Log;
+import android.widget.Toast;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+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";
+    private DocumentReference mDocRef = FirebaseFirestore.getInstance().document("users/q6t702C8nsXyehckByrr");//現在の位置を取得
+    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");
@@ -40,23 +54,13 @@ public class MainActivity extends AppCompatActivity {
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_main);
-
-
-        //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↑
-
+        super.onStart();
 
         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"))
@@ -73,6 +77,39 @@ public class MainActivity extends AppCompatActivity {
 
             return true;
 
+
+        });
+        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");
+                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")) {
+
+                        //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 (e != null) {
+                        Log.w(TAG, "Got an exceptiion!", e);
+                    }
+
+                }
+                flg = true;
+            }
         });
     }
 
@@ -110,4 +147,4 @@ public class MainActivity extends AppCompatActivity {
         ActionBar actionBar = getSupportActionBar();
         actionBar.setDisplayHomeAsUpEnabled(enableBackButton);
     }
-}
\ No newline at end of file
+}
diff --git a/build.gradle b/build.gradle
index 4314313..e8491f3 100644
--- a/build.gradle
+++ b/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