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 28a99cb..1437f35 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/MainActivity.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/MainActivity.java
@@ -24,6 +24,10 @@
 import android.os.Debug;
 import android.provider.Settings;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.ImageButton;
 import android.widget.Toast;
 
 import com.google.android.material.bottomnavigation.BottomNavigationView;
@@ -50,6 +54,14 @@
     LocationManager locationManager;
     private ArrayList<LocationListener> listeners = new ArrayList<>();
     private HashMap<String ,Category> categories;
+    ArrayList<String> checkedList = new ArrayList<>();
+    HashMap<Integer,String> menuItemMap = new HashMap<>();
+    ImageButton playbutton;
+    ImageButton stopbutton;
+    ImageButton skipbutton;
+
+    int playfrag=0;
+    int stopfrag=0;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -85,6 +97,37 @@
             public void onFailure(Call<List<Category>> call, Throwable t) {
 
             }
+
+        });
+
+        //収音関係のボタンの処理
+        playbutton = (ImageButton)findViewById(R.id.playbutton);
+        playbutton.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                playfrag++;
+                if((playfrag%2)==0){
+                    //こっち側がオフ
+                }else{
+                    //こっち側がオン
+                }
+            }
+        });
+        stopbutton = (ImageButton)findViewById(R.id.stopbutton);
+        stopbutton.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                stopfrag++;
+                if((stopfrag%2)==0){
+                    //こっち側がオフ
+                }else{
+                    //こっち側がオン
+                }
+            }
+        });
+        skipbutton = (ImageButton)findViewById(R.id.skipbutton);
+        skipbutton.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+
+            }
         });
 
 
@@ -196,4 +239,39 @@
         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;
+    }
+
+
+    @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;
+    }
+
 }
\ No newline at end of file