diff --git a/app/src/main/java/com/example/tampopo_client/Tampopo.java b/app/src/main/java/com/example/tampopo_client/Tampopo.java
index 6ca0763..52a0285 100644
--- a/app/src/main/java/com/example/tampopo_client/Tampopo.java
+++ b/app/src/main/java/com/example/tampopo_client/Tampopo.java
@@ -1,11 +1,14 @@
 package com.example.tampopo_client;
 
 import android.app.Application;
+import android.content.SharedPreferences;
 
 public class Tampopo extends Application {
-  public String getUserId;
+  private SharedPreferences prefs;
 
-  public String getToken;
+  //public String getUserId;
+
+  //public String getToken;
   private String token;
   private String userId;
   private String password;
@@ -13,11 +16,28 @@
   private String mailaddress;
   private String nickname;
   private String icon;
+//
+//  @Override
+//  public void onCreate() {
+//    super.onCreate();
+//    prefs = getSharedPreferences("user_prefs", MODE_PRIVATE);
+//
+//    // 起動時に保存された値を読み込む
+//    token = prefs.getString("token", "");
+//    userId = prefs.getString("userId", "");
+//    password = prefs.getString("password", "");
+//    chatroomId = prefs.getString("chatroomId", "");
+//    mailaddress = prefs.getString("mailaddress", "");
+//    nickname = prefs.getString("nickname", "");
+//    icon = prefs.getString("icon", "");
+//  }
+
 
   public String getToken() {return token;}
 
   public void setToken(String token) {
     this.token = token;
+    //prefs.edit().putString("token", token).apply();
   }
 
   public String getUserId() {
@@ -26,14 +46,25 @@
 
   public void setUserId(String userId) {
     this.userId = userId;
+    //prefs.edit().putString("userId", userId).apply();
   }
 
+  public String getMailaddress() { return mailaddress; }
+
+  public void setMailaddress(String mailaddress) {
+    this.mailaddress = mailaddress;
+    //prefs.edit().putString("mailaddress", mailaddress).apply();
+  }
+
+
+
   public String getPassword() {
     return password;
   }
 
   public void setPassword(String password) {
     this.password = password;
+    //prefs.edit().putString("password", password).apply();
   }
 
   public String getChatroomId() {
@@ -44,15 +75,19 @@
     this.chatroomId = ChatroomId;
   }
 
-  public String getMailaddress() { return mailaddress; }
 
-  public void setMailaddress(String mailaddress) {this.mailaddress = mailaddress; }
 
   public String getNickname() { return nickname; }
 
-  public void setNickname(String nickname) {this.nickname = nickname; }
+  public void setNickname(String nickname) {
+    this.nickname = nickname;
+    //prefs.edit().putString("nickname", nickname).apply();
+  }
 
   public String getIcon() { return icon; }
 
-  public void setIcon(String icon) {this.icon = icon; }
+  public void setIcon(String icon) {
+    this.icon = icon;
+    //prefs.edit().putString("icon", icon).apply();
+  }
 }