diff --git a/app/src/main/java/org/ntlab/amaryllis/client/Amaryllis.java b/app/src/main/java/org/ntlab/amaryllis/client/Amaryllis.java
index fab3efb..b12f62f 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/Amaryllis.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/Amaryllis.java
@@ -1,13 +1,55 @@
 package org.ntlab.amaryllis.client;
 
 import android.app.Application;
+import android.content.SharedPreferences;
 
 public class Amaryllis extends Application {
     private String token = null;
+    private String uid = null;
+    private String password=null;
+
+    public void setUid(String uid) {
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefData.edit();
+        editor.putString("uid", uid);
+        editor.commit();
+    }
+
+    public String getUid() {
+        if(uid == null){
+            SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+            uid = prefData.getString("uid", "");
+        }
+        return uid;
+    }
+
+    public void setPassword(String password) {
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefData.edit();
+        editor.putString("password", password);
+        editor.commit();
+    }
+
+    public String getPassword() {
+        if(password == null){
+            SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+            password = prefData.getString("password", "");
+        }
+        return password;
+    }
+
+    public void setToken(String token) {
+        SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+        SharedPreferences.Editor editor = prefData.edit();
+        editor.putString("token", token);
+        editor.commit();
+    }
     public String getToken() {
+        if(token == null){
+            SharedPreferences prefData = getSharedPreferences("pref_data", MODE_PRIVATE);
+            token = prefData.getString("token", "");
+        }
         return token;
     }
-    public void setToken(String token) {
-        this.token = token;
-    }
+
 }