diff --git a/app/src/main/java/com/example/tampopo_client/views/MainActivity.java b/app/src/main/java/com/example/tampopo_client/views/MainActivity.java
index 5fb81c2..ed79e2f 100644
--- a/app/src/main/java/com/example/tampopo_client/views/MainActivity.java
+++ b/app/src/main/java/com/example/tampopo_client/views/MainActivity.java
@@ -10,6 +10,7 @@
 import android.widget.GridView;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
+import android.widget.TextView;
 
 import androidx.activity.EdgeToEdge;
 import androidx.appcompat.app.AlertDialog;
@@ -17,13 +18,18 @@
 import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
 import androidx.lifecycle.ViewModelProvider;
 
 import com.example.tampopo_client.R;
 import com.example.tampopo_client.Tampopo;
+import com.example.tampopo_client.models.Activity;
 import com.example.tampopo_client.viewmodels.ActivityViewModel;
 import com.example.tampopo_client.viewmodels.UserViewModel;
 
+import java.util.List;
+
 public class MainActivity extends AppCompatActivity {
 
     private EditText editMessage;
@@ -63,6 +69,13 @@
         //tampopoを宣言する
         tampopo = (Tampopo) getApplication();
 
+        MutableLiveData<List<Activity>> activitiesLiveData = activityViewModel.getActivitiesLiveData();
+        activitiesLiveData.observe(this, new Observer<List<Activity>>() {
+            @Override
+            public void onChanged(List<Activity> activities) {
+
+            }
+        });
 
         //メイン画面から通知一覧画面への遷移
 //        ImageButton notificationButton = (ImageButton)findViewById(R.id.notification);
@@ -87,7 +100,6 @@
         // ボタンを押すとダイアログ表示（トリガー用）
         openDialogButton = findViewById(R.id.openDialogButton);
         openDialogButton.setOnClickListener(v -> showInputDialog());
-
     }
 
     private void showInputDialog() {