diff --git a/app/src/main/java/org/ntlab/amaryllis/client/MainActivity.java b/app/src/main/java/org/ntlab/amaryllis/client/MainActivity.java
index 1437f35..ccf7ad7 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/MainActivity.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/MainActivity.java
@@ -53,9 +53,7 @@
     private static final String TAG = MainActivity.class.getSimpleName();
     LocationManager locationManager;
     private ArrayList<LocationListener> listeners = new ArrayList<>();
-    private HashMap<String ,Category> categories;
-    ArrayList<String> checkedList = new ArrayList<>();
-    HashMap<Integer,String> menuItemMap = new HashMap<>();
+    static HashMap<String ,Category> categories;
     ImageButton playbutton;
     ImageButton stopbutton;
     ImageButton skipbutton;
@@ -239,39 +237,46 @@
         return categories.get(cid);
     }
 
-    @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        getMenuInflater().inflate(R.menu.nav_drawer_menu, menu);
-
-        //カテゴリーの数だけitemを定義
-        for(Category category : categories.values()){
-            String name = category.getName();
-            String cid = category.getcId();
-            MenuItem newItem = menu.add(Menu.NONE, Menu.NONE, Menu.NONE, name);
-            menuItemMap.put(newItem.getItemId(),cid);
-            newItem.setCheckable(true);
-            newItem.setChecked(true);
-            checkedList.add(cid);
-        }
-        return true;
+    public static HashMap<String,Category> getCategories(){
+        return categories;
     }
 
-
-    @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
-        String cid = menuItemMap.get(item.getItemId());
-
-        item.setChecked(!item.isChecked());
-        if(item.isChecked()){
-            checkedList.remove(cid);
-        }else{
-            checkedList.add(cid);
-        }
-        return super.onOptionsItemSelected(item);
-    }
-
-    public ArrayList getCheckedCidList() {
-        return checkedList;
-    }
+//
+//    @Override
+//    public boolean onCreateOptionsMenu(Menu menu) {
+//        getMenuInflater().inflate(R.menu.nav_drawer_menu, menu);
+//
+//        //カテゴリーの数だけitemを定義
+//        int id=0;
+//        for(Category category : categories.values()){
+//            String name = category.getName();
+//            String cid = category.getcId();
+//            MenuItem newItem = menu.add(Menu.NONE, id, Menu.NONE, name);
+//            menuItemMap.put(newItem.getItemId(),cid);
+//            newItem.setCheckable(true);
+//            newItem.setChecked(true);
+//            checkedList.add(cid);
+//            id++;
+//        }
+//        return true;
+//    }
+//
+//
+//    @Override
+//    public boolean onOptionsItemSelected(MenuItem item) {
+//        String cid = menuItemMap.get(item.getItemId());
+//
+//        item.setChecked(!item.isChecked());
+//        if(item.isChecked()){
+//            checkedList.add(cid);
+//        }else{
+//            checkedList.remove(cid);
+//        }
+//        return super.onOptionsItemSelected(item);
+//    }
+//
+//    public ArrayList getCheckedCidList() {
+//        return checkedList;
+//    }
 
 }
\ No newline at end of file