diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java
index cccca2b..bb177bc 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintActivity.java
@@ -16,33 +16,16 @@
 import org.ntlab.acanthus_client.Acanthus;
 import org.ntlab.acanthus_client.R;
 import org.ntlab.acanthus_client.databinding.ActivityPaintBinding;
-import org.ntlab.acanthus_client.views.MainActivity;
 
 //-----------------------------------------------------------------
 // 描画ページ
 public class PaintActivity extends AppCompatActivity {
 
     private PaintCanvas paintCanvas;
+    private PaintToolBar paintToolBar;
+
     private ActivityPaintBinding binding;
     private PaintViewModel paintViewModel;
-    private BottomNavigationView.OnNavigationItemReselectedListener onNavigationItemReselectedListener
-            = new BottomNavigationView.OnNavigationItemReselectedListener() {
-        @Override
-        public void onNavigationItemReselected(@NonNull MenuItem item) {
-            switch (item.getItemId()) {
-                case R.id.navigation_pen:
-                    break;
-
-                case R.id.navigation_clear:
-                    break;
-
-                case R.id.navigation_invite:
-                    transitionInviteActivity();
-                    break;
-
-            }
-        }
-    };
 
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
@@ -95,10 +78,9 @@
         Acanthus acanthus = (Acanthus) getApplication();
         paintViewModel = new ViewModelProvider(this).get(PaintViewModel.class);
         paintViewModel.init(acanthus);
+        paintToolBar = new PaintToolBar(this, paintCanvas);
 
         startObserve();
-
-
     }
 
     //-----------------------------------------------------------------
@@ -111,7 +93,7 @@
         paintCanvas.setPaintViewModel(paintViewModel);
 
         BottomNavigationView navigation = (BottomNavigationView) findViewById(R.id.navPaint);
-        navigation.setOnNavigationItemReselectedListener(onNavigationItemReselectedListener);
+        navigation.setOnNavigationItemReselectedListener(paintToolBar.getOnNavigationItemReselectedListener());
     }
 
     //-----------------------------------------------------------------
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintToolBar.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintToolBar.java
new file mode 100644
index 0000000..ef2ddb3
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintToolBar.java
@@ -0,0 +1,61 @@
+package org.ntlab.acanthus_client.views.paint;
+
+import android.content.Intent;
+import android.graphics.Paint;
+import android.view.MenuItem;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.google.android.material.bottomnavigation.BottomNavigationView;
+
+import org.ntlab.acanthus_client.Acanthus;
+import org.ntlab.acanthus_client.R;
+
+public class PaintToolBar {
+    private BottomNavigationView.OnNavigationItemReselectedListener onNavigationItemReselectedListener;
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    public PaintToolBar(AppCompatActivity appCompatActivity, PaintCanvas paintCanvas) {
+
+        onNavigationItemReselectedListener
+                = new BottomNavigationView.OnNavigationItemReselectedListener() {
+            @Override
+            public void onNavigationItemReselected(@NonNull MenuItem item) {
+                switch (item.getItemId()) {
+                    case R.id.navigation_pen:
+                        break;
+
+                    case R.id.navigation_clear:
+                        paintCanvas.clearCanvas();
+                        break;
+
+                    case R.id.navigation_invite:
+                        transitionInviteActivity(appCompatActivity);
+                        break;
+
+                }
+            }
+        };
+    }
+
+    //-----------------------------------------------------------------
+    //
+    public BottomNavigationView.OnNavigationItemReselectedListener getOnNavigationItemReselectedListener() {
+        return this.onNavigationItemReselectedListener;
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+    // 招待ページへ移動
+    private void transitionInviteActivity(AppCompatActivity appCompatActivity) {
+        Acanthus acanthus = (Acanthus) appCompatActivity.getApplication();
+        Intent intent = new Intent(acanthus, InviteActivity.class);
+        appCompatActivity.startActivity(intent);
+    }
+
+    //-----------------------------------------------------------------
+    //-----------------------------------------------------------------
+
+}