diff --git a/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java b/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java
index b0609d3..1cd3bcb 100644
--- a/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java
+++ b/app/src/main/java/com/example/tampopo_client/views/FriendIconView.java
@@ -25,6 +25,7 @@
 import com.bumptech.glide.Glide;
 import com.example.tampopo_client.R;
 import com.example.tampopo_client.models.Activity;
+import com.example.tampopo_client.viewmodels.ActivityViewModel;
 import com.google.android.material.imageview.ShapeableImageView;
 
 import java.util.List;
@@ -49,7 +50,8 @@
     private TextView mFriendNickname;
     private ImageView mFriendChatNotification;
     private boolean chatNotification = false;
-
+    private Observer<List<Activity>> activityObserver;
+    String friendActivity = "123";
     public FriendIconView(Context context) {
         super(context);
         init(null, 0);
@@ -163,16 +165,31 @@
         }
     }
 
+    public void setActivityLiveDataObserver(String uid, ActivityViewModel viewModel){
+        activityObserver = new Observer<List<Activity>>() {
+            @Override
+            public void onChanged(List<Activity> activityList) {
+                if(activityList != null && !activityList.isEmpty()){
+                    Activity act = activityList.get(0);
+                    friendActivity = act.getText();
+                    setAccount(act.getUserId());
+                }
+            }
+        };
+        viewModel.getActivitiesLiveDataFromUserId(uid).observeForever(activityObserver);
+    }
+
     //uidを引数にカスタムビューにニックネーム，コメント，アイコンをセットする
     public void setAccount(String uid){
         setNickname("haru");
-        setComment(("123"));
+        setComment((friendActivity));
         String imageUrl = "http://nitta-lab-www.is.konan-u.ac.jp/tampopo-data/icon" + uid + ".jpg";
         Glide.with(getContext())
                 .load(imageUrl)
                 .into(getImageView());
     }
     public void setChatNotification(boolean chat){
+        //チャットを終了するときのonclickで一緒にsetChatNotification（false）もする（アイコン周りの赤丸を消す）
         //true(チャット通知が来た時）なら表示
         if(chat){
             mFriendChatNotification.setVisibility(View.VISIBLE);