diff --git a/app/src/main/java/com/example/cosmosclient/views/GroupListActivity.java b/app/src/main/java/com/example/cosmosclient/views/GroupListActivity.java
index 8f225e6..2086b83 100644
--- a/app/src/main/java/com/example/cosmosclient/views/GroupListActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/GroupListActivity.java
@@ -5,6 +5,7 @@
 import android.graphics.BitmapFactory;
 import android.nfc.Tag;
 import android.os.Bundle;
+import android.provider.MediaStore;
 import android.support.v4.app.ActivityCompat;
 import android.util.Base64;
 import android.util.Log;
@@ -22,6 +23,7 @@
 import android.widget.ArrayAdapter;
 import android.widget.BaseAdapter;
 import android.widget.GridView;
+import android.widget.ImageView;
 import android.widget.ListAdapter;
 import android.widget.TextView;
 import android.widget.Toast;
@@ -87,24 +89,30 @@
                 if (response.isSuccessful()) {
                     UserResponse result = response.body();
 
-                    //ユーザ名とユーザIDを表示したい
+                    //アイコンとユーザ名とユーザIDを表示したい
+                    final String uName;
+                    final String uIcon;
                     NavigationView navView = (NavigationView) findViewById(R.id.nav_view);
                     View headerView = navView.getHeaderView(0);
                     TextView userNameTextView = navView.getHeaderView(0).findViewById(R.id.userName);
                     TextView userIDTextView = navView.getHeaderView(0).findViewById(R.id.userID);
+                    ImageView userIcon = navView.getHeaderView(0).findViewById(R.id.userIcon);
                     userIDTextView.setText("ユーザID："+uId);
-                    final String uName;
                     uName = result.name;
+                    uIcon = result.iconUri;
                     userNameTextView.setText("ユーザ名："+uName);
+                    if (uIcon != null) {
+                        byte[] decodedByte = Base64.decode(uIcon, 0);
+                        userIcon.setImageBitmap(BitmapFactory.decodeByteArray(decodedByte, 0, decodedByte.length));
+                    }
 
-
-                    //画像をBase64に変換
-                    Bitmap icon = BitmapFactory.decodeResource(getResources(),R.drawable.default_icon_image);
-                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
-                    icon.compress(Bitmap.CompressFormat.JPEG,100, baos);
-                    byte[] b = baos.toByteArray();
-                    String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT);
-//                    Toast.makeText(GroupListActivity.this,"接続できたよ",Toast.LENGTH_LONG).show();
+//                    //画像をBase64に変換
+//                    Bitmap icon = BitmapFactory.decodeResource(getResources(),R.drawable.default_icon_image);
+//                    ByteArrayOutputStream baos = new ByteArrayOutputStream();
+//                    icon.compress(Bitmap.CompressFormat.JPEG,100, baos);
+//                    byte[] b = baos.toByteArray();
+//                    String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT);
+////                    Toast.makeText(GroupListActivity.this,"接続できたよ",Toast.LENGTH_LONG).show();
 
 
                     //アイコンが未設定ならデフォルト画像を設定