diff --git a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
index ede712b..d5c271d 100644
--- a/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
+++ b/app/src/main/java/com/example/cosmosclient/app/Cosmos.java
@@ -5,6 +5,7 @@
 import com.example.cosmosclient.entities.AreaInformation;
 import com.example.cosmosclient.entities.Group;
 import com.example.cosmosclient.entities.Location;
+import android.content.SharedPreferences;
 
 import java.util.HashMap;
 
@@ -19,10 +20,15 @@
 
     //token処理
     public void setToken(String token){
-        this.token = token;
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefData.edit();
+        editor.putString("token", token);
+        editor.commit();
     }
 
     public String getToken(){
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        String token = prefData.getString("token", "");
         return token;
     }
 
@@ -50,10 +56,15 @@
 
     //uId処理
     public void setuId(String uId){
-        this.uId = uId;
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefData.edit();
+        editor.putString("uId", uId);
+        editor.commit();
     }
 
     public String getuId(){
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        String uId = prefData.getString("uId", "");
         return uId;
     }