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 c14a52c..05da37c 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
@@ -26,7 +26,7 @@
 
     private PaintToolBar paintToolBar;
 
-    // private PaintScreenShot paintScreenShot;
+
     private ActivityPaintBinding binding;
     private PaintViewModel paintViewModel;
 
@@ -37,8 +37,6 @@
     @Override
     public void onDestroy() {
         super.onDestroy();
-        paintViewModel.stop();
-        // paintScreenShot.onDestroy();
     }
 
     //-----------------------------------------------------------------
@@ -48,50 +46,21 @@
         setTheme(R.style.AppTheme_NoTitleBar);//タイトルバーを消す
         init();
         initView();
-
-        //paintScreenShot.onCreate();
-
-//        Button button = findViewById(R.id.button_keep);
-//        button.setOnClickListener(new View.OnClickListener() {
-//            @Override
-//            public void onClick(View v) {
-//                //bottonタップで表示されてたら非表示にする。
-//                if (buttonView) {
-//                    findViewById(R.id.capture).setVisibility(View.INVISIBLE);
-//                    findViewById(R.id.image).setVisibility(View.INVISIBLE);
-//                    findViewById(R.id.textView3).setVisibility(View.INVISIBLE);
-//
-//                    buttonView = false;
-//                } else {
-//                    findViewById(R.id.capture).setVisibility(View.VISIBLE);
-//                    findViewById(R.id.image).setVisibility(View.VISIBLE);
-//                    findViewById(R.id.textView3).setVisibility(View.VISIBLE);
-//
-//                    buttonView = true;
-//                }
-//            }
-//        });
     }
 
     //-----------------------------------------------------------------
     @Override
     protected void onResume() {
         super.onResume();
-
-        displayAid();
+        paintViewModel.start();
+        paintCanvas.clearCanvas();
     }
 
     //-----------------------------------------------------------------
-    //　描画全体のクリア
-    public void onClickClear(View view) {
-        paintCanvas.deleteStroke();
-    }
-
-    //-----------------------------------------------------------------
-    // 招待する
-    public void onClickInvite(View view) {
-        Integer dummyId = 2;
-        paintViewModel.inviteNewUserRequest(dummyId);
+    @Override
+    protected void onPause() {
+        super.onPause();
+//        paintViewModel.stop();
     }
 
     //-----------------------------------------------------------------
@@ -117,12 +86,7 @@
         paintOnionCanvas = findViewById(R.id.paintOnionCanvas);
         paintOnionCanvas.init(paintViewModel);
 
-        // paintScreenShot = new PaintScreenShot(this);
-        paintToolBar = new PaintToolBar(this, paintCanvas);
-
-//        findViewById(R.id.capture).setVisibility(View.INVISIBLE);
-//        findViewById(R.id.image).setVisibility(View.INVISIBLE);
-//        findViewById(R.id.textView3).setVisibility(View.INVISIBLE);
+        paintToolBar = new PaintToolBar(this, paintCanvas, paintOnionCanvas);
     }
 
     //-----------------------------------------------------------------
@@ -145,37 +109,13 @@
             }
         });
 
-//1時的コメントアウトここから
-        //        paintViewModel.getmStrokeNo().observe(this, new Observer<Integer>() {
-//            @Override
-//            public void onChanged(Integer integer) {
-//                paintViewModel.getPosition(integer);
-//            }
-//        });
-//        paintViewModel.getMlatestPosition().observe(this, new Observer<Collection<Position>>() {
-//            @Override
-//            public void onChanged(Collection<Position> positions) {
-//                if(positions.size()!=1){
-//                    //paintCanvas.latestPositionWrite(positions);
-//                }
-//            }
-//        });
-//ここまで
-    }
-
-    //------------------------------------------------------------------
-    // デバッグ用の現在編集中のAid表示
-    private void displayAid() {
-        Acanthus acanthus = (Acanthus) getApplication();
-        TextView view = findViewById(R.id.textViewCurAid);
-        view.setText("aid:" + acanthus.getAid().toString());
     }
 
     //------------------------------------------------------------------
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
-        // paintScreenShot.onActivityResult(requestCode, resultCode, data);
     }
+    //------------------------------------------------------------------
 
 }
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