diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/MyPaint.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/MyPaint.java
deleted file mode 100644
index 7811213..0000000
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/MyPaint.java
+++ /dev/null
@@ -1,173 +0,0 @@
-package org.ntlab.acanthus_client.views.paint;
-
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Color;
-import android.graphics.Paint;
-import android.graphics.Path;
-import android.util.AttributeSet;
-import android.view.MotionEvent;
-import android.view.View;
-
-import org.ntlab.acanthus_client.Acanthus;
-import org.ntlab.acanthus_client.resources.HelloWorldRest;
-import org.ntlab.acanthus_client.resources.gallery.StrokesRest;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import androidx.annotation.Nullable;
-import androidx.lifecycle.LiveData;
-import androidx.lifecycle.MutableLiveData;
-
-import retrofit2.Call;
-import retrofit2.Callback;
-import retrofit2.Response;
-import retrofit2.Retrofit;
-import retrofit2.converter.jackson.JacksonConverterFactory;
-import retrofit2.converter.scalars.ScalarsConverterFactory;
-
-public class MyPaint extends View {
-
-    private Path path;
-    private Paint paint;
-    private ArrayList<Float> xlen = new ArrayList<Float>();
-    private ArrayList<Float> ylen = new ArrayList<Float>();
-    private Acanthus acanthus;
-    private MutableLiveData<Integer> strokeNo;
-
-    public MyPaint(Context context, @Nullable AttributeSet attrs) {
-        super(context, attrs);
-
-        //１）コンストラクタ（≒必需品）
-        path = new Path();//線を引いたり、図形を描いたり、要するにグラフィック
-
-        paint = new Paint();//筆の種類
-        paint.setColor(Color.RED);//色の指定
-        paint.setStyle(Paint.Style.STROKE);//線をひく
-        paint.setStrokeWidth(20);//幅
-        this.acanthus = new Acanthus();
-        this.strokeNo = new MutableLiveData<Integer>();
-    }
-
-    //２）onDraw（描画の準備/プロペラが回りだした状態）
-
-    @Override
-    protected void onDraw(Canvas canvas) {
-        super.onDraw(canvas);
-        canvas.drawPath(path, paint);
-    }
-
-
-    //３）実際の操縦 (条件分岐：押したとき、動かしたとき、放した時）
-
-    @Override
-    public boolean onTouchEvent(MotionEvent event) {
-        //(3-1)座標を取得（x座標、y座標）
-        float x = event.getX();
-        float y = event.getY();
-        xlen.add(x);
-        ylen.add(y);
-
-        //(3-2)タッチの処理
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-                path.moveTo(x, y);
-                addStrokes(getAcanthus());
-                invalidate();
-                break;
-            case MotionEvent.ACTION_MOVE:
-                path.lineTo(x, y);
-                AddPositions(x, y, getStrokeNo());
-                invalidate();
-                break;
-            case MotionEvent.ACTION_UP:
-                break;
-        }
-
-        //return super.onTouchEvent(event);
-        return true;
-    }
-
-
-    //４）クリア処理
-    public void clearCanvas() {
-        System.out.println(xlen.toArray());
-        path.reset();
-        invalidate();
-    }
-
-    public void setAcanthus(Acanthus acanthus) {
-        this.acanthus = acanthus;
-    }
-
-    public Acanthus getAcanthus() {
-        return acanthus;
-    }
-
-    public MutableLiveData<Integer> getStrokeNo() {
-        return strokeNo;
-    }
-
-    public void setStrokeNo(int strokeNo) {
-        this.strokeNo.setValue(strokeNo);
-    }
-
-    //////////////////////////////////////////////////////////////////////////////////////////////////
-    //////////////////////////////////////////////////////////////////////////////////////////////////
-    //retrofit
-    public void AddPositions(double x, double y, MutableLiveData<Integer> strokeno) {
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
-                .addConverterFactory(ScalarsConverterFactory.create())
-                .addConverterFactory(JacksonConverterFactory.create())
-                .build();
-        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
-        Call<Integer> call = strokesRest.addPositions(1111, strokeno.getValue(), x, y);
-        call.enqueue(new Callback<Integer>() {
-            @Override
-            public void onResponse(Call<Integer> call, Response<Integer> response) {
-                if (response.isSuccessful()) {
-                    System.out.println("success");
-                } else {
-                    System.out.println("false");
-                }
-            }
-
-            @Override
-            public void onFailure(Call<Integer> call, Throwable t) {
-                //mText.setValue("みす helloworld");
-            }
-        });
-
-    }
-
-    public void addStrokes(Acanthus acanthus) {
-        Retrofit retrofit = new Retrofit.Builder()
-                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
-                .addConverterFactory(ScalarsConverterFactory.create())
-                .addConverterFactory(JacksonConverterFactory.create())
-                .build();
-        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
-        Call<Integer> call = strokesRest.addStroke(1111, acanthus.getPreferenceUid(), acanthus.getPreferenceToken(), 1, 1, 1);
-        call.enqueue(new Callback<Integer>() {
-            @Override
-            public void onResponse(Call<Integer> call, Response<Integer> response) {
-                if (response.isSuccessful()) {
-                    System.out.println("success");
-                    setStrokeNo(response.body().intValue());
-                } else {
-                    System.out.println("false");
-                }
-            }
-
-            @Override
-            public void onFailure(Call<Integer> call, Throwable t) {
-                //mText.setValue("みす helloworld");
-            }
-        });
-
-    }
-
-
-}
\ No newline at end of file
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 144fc8c..fc539d9 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
@@ -1,6 +1,7 @@
 package org.ntlab.acanthus_client.views.paint;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.ViewModelProvider;
 
 import android.os.Bundle;
 import android.view.View;
@@ -10,7 +11,8 @@
 
 public class PaintActivity extends AppCompatActivity {
 
-    private MyPaint myPaint;
+    private PaintCanvas paintCanvas;
+    private PaintViewModel paintViewModel;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -18,14 +20,18 @@
         setContentView(R.layout.activity_paint);
 
         //６）描画のid取得
-        myPaint =(MyPaint) findViewById(R.id.myCanvas);
+        paintCanvas =(PaintCanvas) findViewById(R.id.myCanvas);
         Acanthus acanthus = (Acanthus) getApplication();
-        myPaint.setAcanthus(acanthus);
+        paintViewModel = new ViewModelProvider(this).get(PaintViewModel.class);
+        paintViewModel.init(acanthus);
+
+        paintCanvas.setPaintViewModel(paintViewModel);
+
     }
 
     //５）クリアメソッド(４)呼び出し
     public void onClear(View view){
-        myPaint.clearCanvas();
+        paintCanvas.clearCanvas();
     }
 
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
new file mode 100644
index 0000000..1400065
--- /dev/null
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintCanvas.java
@@ -0,0 +1,160 @@
+package org.ntlab.acanthus_client.views.paint;
+
+import android.content.Context;
+import android.graphics.Canvas;
+import android.graphics.Color;
+import android.graphics.Paint;
+import android.graphics.Path;
+import android.util.AttributeSet;
+import android.view.MotionEvent;
+import android.view.View;
+
+import org.ntlab.acanthus_client.Acanthus;
+import org.ntlab.acanthus_client.resources.HelloWorldRest;
+import org.ntlab.acanthus_client.resources.gallery.StrokesRest;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import androidx.annotation.Nullable;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+import retrofit2.Retrofit;
+import retrofit2.converter.jackson.JacksonConverterFactory;
+import retrofit2.converter.scalars.ScalarsConverterFactory;
+
+public class PaintCanvas extends View {
+
+    private Path path;
+    private Paint paint;
+    private PaintViewModel paintViewModel;
+    private ArrayList<Float> xlen = new ArrayList<Float>();
+    private ArrayList<Float> ylen = new ArrayList<Float>();
+
+    public PaintCanvas(Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+
+        //１）コンストラクタ（≒必需品）
+        path = new Path();//線を引いたり、図形を描いたり、要するにグラフィック
+
+        paint = new Paint();//筆の種類
+        paint.setColor(Color.RED);//色の指定
+        paint.setStyle(Paint.Style.STROKE);//線をひく
+        paint.setStrokeWidth(20);//幅
+    }
+
+    //２）onDraw（描画の準備/プロペラが回りだした状態）
+
+    @Override
+    protected void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        canvas.drawPath(path, paint);
+    }
+
+
+    //３）実際の操縦 (条件分岐：押したとき、動かしたとき、放した時）
+
+    @Override
+    public boolean onTouchEvent(MotionEvent event) {
+        //(3-1)座標を取得（x座標、y座標）
+        float x = event.getX();
+        float y = event.getY();
+        xlen.add(x);
+        ylen.add(y);
+
+        //(3-2)タッチの処理
+        switch (event.getAction()) {
+            case MotionEvent.ACTION_DOWN:
+                path.moveTo(x, y);
+                invalidate();
+                break;
+
+            case MotionEvent.ACTION_MOVE:
+                path.lineTo(x, y);
+                invalidate();
+                break;
+
+            case MotionEvent.ACTION_UP:
+                break;
+        }
+
+        paintViewModel.paintStroke(event);
+
+        //return super.onTouchEvent(event);
+        return true;
+    }
+
+
+    //４）クリア処理
+    public void clearCanvas() {
+        System.out.println(xlen.toArray());
+        path.reset();
+        invalidate();
+    }
+
+    public void setPaintViewModel(PaintViewModel paintViewModel){
+        this.paintViewModel = paintViewModel;
+    }
+
+    //////////////////////////////////////////////////////////////////////////////////////////////////
+    //////////////////////////////////////////////////////////////////////////////////////////////////
+    //retrofit
+//    public void AddPositions(double x, double y, MutableLiveData<Integer> strokeno) {
+//        Retrofit retrofit = new Retrofit.Builder()
+//                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
+//                .addConverterFactory(ScalarsConverterFactory.create())
+//                .addConverterFactory(JacksonConverterFactory.create())
+//                .build();
+//        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
+//        Call<Integer> call = strokesRest.addPositions(1111, strokeno.getValue(), x, y);
+//        call.enqueue(new Callback<Integer>() {
+//            @Override
+//            public void onResponse(Call<Integer> call, Response<Integer> response) {
+//                if (response.isSuccessful()) {
+//                    System.out.println("success");
+//                } else {
+//                    System.out.println("false");
+//                }
+//            }
+//
+//            @Override
+//            public void onFailure(Call<Integer> call, Throwable t) {
+//                //mText.setValue("みす helloworld");
+//            }
+//        });
+//
+//    }
+//
+//    public void addStrokes(Acanthus acanthus) {
+//        Retrofit retrofit = new Retrofit.Builder()
+//                .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
+//                .addConverterFactory(ScalarsConverterFactory.create())
+//                .addConverterFactory(JacksonConverterFactory.create())
+//                .build();
+//        final StrokesRest strokesRest = retrofit.create(StrokesRest.class);
+//        Call<Integer> call = strokesRest.addStroke(1111, acanthus.getPreferenceUid(), acanthus.getPreferenceToken(), 1, 1, 1);
+//        call.enqueue(new Callback<Integer>() {
+//            @Override
+//            public void onResponse(Call<Integer> call, Response<Integer> response) {
+//                if (response.isSuccessful()) {
+//                    System.out.println("success");
+//                    setStrokeNo(response.body().intValue());
+//                } else {
+//                    System.out.println("false");
+//                }
+//            }
+//
+//            @Override
+//            public void onFailure(Call<Integer> call, Throwable t) {
+//                //mText.setValue("みす helloworld");
+//            }
+//        });
+//
+//    }
+
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java
index d03cf13..0981063 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintModel.java
@@ -27,7 +27,7 @@
     //-----------------------------------------------------------------
     //
     public PaintModel() {
-        Retrofit retrofit = new Retrofit.Builder()
+        retrofit = new Retrofit.Builder()
                 .baseUrl("http://nitta-lab-www.is.konan-u.ac.jp/acanthus/")
                 .addConverterFactory(ScalarsConverterFactory.create())
                 .addConverterFactory(JacksonConverterFactory.create())
@@ -48,7 +48,7 @@
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     // init
-    public void init(Acanthus acanthus){
+    public void init(Acanthus acanthus) {
         this.acanthus = acanthus;
 
         final GalleryRest galleryRest = retrofit.create(GalleryRest.class);
diff --git a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java
index 18fd869..2cb84e1 100644
--- a/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java
+++ b/app/src/main/java/org/ntlab/acanthus_client/views/paint/PaintViewModel.java
@@ -1,9 +1,11 @@
 package org.ntlab.acanthus_client.views.paint;
 
 import android.graphics.Paint;
+import android.view.MotionEvent;
 import android.view.View;
 
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.constraintlayout.widget.ConstraintSet;
 import androidx.lifecycle.MutableLiveData;
 import androidx.lifecycle.ViewModel;
 
@@ -34,21 +36,42 @@
 //
 public class PaintViewModel extends ViewModel {
 
-    private MutableLiveData<Animation> animationMutableLiveData;
+    //private MutableLiveData<Animation> animationMutableLiveData;
     private PaintModel paintModel;
 
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     public PaintViewModel() {
-        startObservationOfChangedStroke();
+        paintModel = new PaintModel();
     }
+
     //-----------------------------------------------------------------
     //-----------------------------------------------------------------
     //
-    public void init(Acanthus acanthus){
+    public void init(Acanthus acanthus) {
         paintModel.init(acanthus);
     }
 
+    //-----------------------------------------------------------------
+    //
+    public void paintStroke(MotionEvent motionEvent) {
+        float x = motionEvent.getX();
+        float y = motionEvent.getY();
+
+        switch (motionEvent.getAction()) {
+            case MotionEvent.ACTION_DOWN:
+                paintModel.addLocalStroke();
+                break;
+
+            case MotionEvent.ACTION_MOVE:
+                paintModel.addPosition(x, y);
+                break;
+
+            case MotionEvent.ACTION_UP:
+                break;
+        }
+    }
+
     // 一定間隔でサーバー上の筆跡を取得する（GET）
     public void startObservationOfChangedStroke() {
     }
diff --git a/app/src/main/res/layout/activity_paint.xml b/app/src/main/res/layout/activity_paint.xml
index ceaab77..1e36f75 100644
--- a/app/src/main/res/layout/activity_paint.xml
+++ b/app/src/main/res/layout/activity_paint.xml
@@ -8,7 +8,7 @@
     tools:context=".views.paint.PaintActivity">
 
 
-    <org.ntlab.acanthus_client.views.paint.MyPaint
+    <org.ntlab.acanthus_client.views.paint.PaintCanvas
         android:id="@+id/myCanvas"
         android:layout_width="match_parent"
         android:layout_height="match_parent"