diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java
index 6c0c69d..babc0a2 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleActivity.java
@@ -1,6 +1,8 @@
 package org.ntlab.radishforandroidstudio.cactusClient.tests;
 
 import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentTransaction;
 import android.support.v7.app.AppCompatActivity;
 import android.os.Bundle;
 import android.view.View;
@@ -16,6 +18,29 @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_sample);
+
+
+        Fragment fragment;
+        if (savedInstanceState == null) {
+//            FragmentManager manager = getSupportFragmentManager();
+//            FragmentTransaction transaction = manager.beginTransaction();
+//
+//            transaction.add(R.id.container, new SampleGameFragment());
+//
+//            transaction.commit();
+
+//            fragment = new StartFragment();
+            fragment = new StartFragment();
+            getSupportFragmentManager()
+                    .beginTransaction()
+                    .replace(R.id.fragment_field, fragment)
+                    .commit();
+        }
+
+
+    }
+}
+
 //touch event用
 //        frameLayout01 = (FrameLayout)findViewById(R.id.framelayout_sample);
 //        frameLayout01.setOnTouchListener((SampleGameFragment)samplgem);
@@ -26,30 +51,27 @@
 ////        View view1 =(View)findViewById(R.id.framelayout_sample);
 ////        view1.setOnTouchListener((SampleGameFragment)samplegamefragment);
 
-    }
 
 
-    public void ClickButton(View view){
-        Fragment fragment;
-
-        if(view == findViewById(R.id.button)){
-            fragment = new StartFragment();
-            getSupportFragmentManager()
-                    .beginTransaction()
-                    .replace(R.id.fragment_field, fragment)
-                    .commit();
-        }
-
-        if(view == findViewById(R.id.button2)){
-            fragment = new SampleGameFragment();
-            getSupportFragmentManager()
-                    .beginTransaction()
-                    .replace(R.id.fragment_field, fragment)
-                    .commit();
-        }
-
-
-    }
-
-
-}
+//
+//    public void ClickButton(View view){
+//        Fragment fragment;
+//
+////        if(view == findViewById(R.id.button)){
+////            fragment = new StartFragment();
+////            getSupportFragmentManager()
+////                    .beginTransaction()
+////                    .replace(R.id.fragment_field, fragment)
+////                    .commit();
+////        }
+//
+////        if(view == findViewById(R.id.button2)){
+//            fragment = new SampleGameFragment();
+//            getSupportFragmentManager()
+//                    .beginTransaction()
+//                    .replace(R.id.fragment_field, fragment)
+//                    .commit();
+////        }
+//
+//
+//    }
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleGameFragment.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleGameFragment.java
index 10ceb8b..5867044 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleGameFragment.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/SampleGameFragment.java
@@ -12,22 +12,22 @@
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-
-import org.ntlab.radishforandroidstudio.framework.RWT.RWTSurfaceView;
+//
+//import org.ntlab.radishforandroidstudio.framework.RWT.RWTSurfaceView;
 import org.ntlab.radishforandroidstudio.framework.gameMain.OvergroundActor;
 import org.ntlab.radishforandroidstudio.framework.gameMain.RealTime3DFragment;
-import org.ntlab.radishforandroidstudio.framework.gameMain.RealTimeActivity;
+//import org.ntlab.radishforandroidstudio.framework.gameMain.RealTimeActivity;
 import org.ntlab.radishforandroidstudio.framework.model3D.BaseObject3D;
 import org.ntlab.radishforandroidstudio.framework.model3D.Object3D;
 import org.ntlab.radishforandroidstudio.framework.model3D.Position3D;
-import org.ntlab.radishforandroidstudio.framework.model3D.Universe;
-import org.ntlab.radishforandroidstudio.framework.physics.AngularVelocity3D;
-import org.ntlab.radishforandroidstudio.framework.physics.Force3D;
+//import org.ntlab.radishforandroidstudio.framework.model3D.Universe;
+//import org.ntlab.radishforandroidstudio.framework.physics.AngularVelocity3D;
+//import org.ntlab.radishforandroidstudio.framework.physics.Force3D;
 import org.ntlab.radishforandroidstudio.framework.physics.Ground;
-import org.ntlab.radishforandroidstudio.framework.physics.PhysicalSystem;
-import org.ntlab.radishforandroidstudio.framework.physics.Solid3D;
-import org.ntlab.radishforandroidstudio.framework.physics.Velocity3D;
-import org.ntlab.radishforandroidstudio.framework.view3D.Camera3D;
+//import org.ntlab.radishforandroidstudio.framework.physics.PhysicalSystem;
+//import org.ntlab.radishforandroidstudio.framework.physics.Solid3D;
+//import org.ntlab.radishforandroidstudio.framework.physics.Velocity3D;
+//import org.ntlab.radishforandroidstudio.framework.view3D.Camera3D;
 import org.ntlab.radishforandroidstudio.java3d.Appearance;
 import org.ntlab.radishforandroidstudio.java3d.Box;
 import org.ntlab.radishforandroidstudio.java3d.IndexedTriangleArray;
@@ -125,12 +125,12 @@
         super.onDestroy();
     }
 
-
-    @Override
-    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
-        inflater.inflate(R.menu.main,menu);
-        super.onCreateOptionsMenu(menu, inflater);
-    }
+//
+//    @Override
+//    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+//        inflater.inflate(R.menu.main,menu);
+//        super.onCreateOptionsMenu(menu, inflater);
+//    }
 
     public boolean onOptionsItemSelected(MenuItem item){
         int id = item.getItemId();
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/StartFragment.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/StartFragment.java
index 549bdf2..c5c4d02 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/StartFragment.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/tests/StartFragment.java
@@ -14,6 +14,12 @@
 
 public class StartFragment extends Fragment {
 
+    //FragmentにInterfaceを定義
+    public interface OnClickListener{
+        void onClick();
+    }
+
+
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DActivity.java b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DActivity.java
index 2bb5dd7..c20ee4d 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DActivity.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DActivity.java
@@ -10,14 +10,14 @@
 	protected Universe universe;
 	protected Camera3D camera;
 	protected RWTSurfaceView view;
-	
+
 	@Override
 	protected void onCreate(Bundle savedInstanceState) {
 		super.onCreate(savedInstanceState);
 		universe = new Universe();
-			
+
 		camera = new Camera3D(universe);
-		
+
 		view = new RWTSurfaceView(this);
 		view.setRenderMode(RWTSurfaceView.RENDERMODE_WHEN_DIRTY);
 		view.attachCamera(camera);
@@ -30,6 +30,6 @@
 		camera.adjust(interval);
 		view.requestRender();
 	}
-	
+
 	abstract protected void progress(long interval);
 }
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java
index 41477be..2386b97 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTime3DFragment.java
@@ -1,11 +1,8 @@
 package org.ntlab.radishforandroidstudio.framework.gameMain;
 
-import android.content.Context;
-import android.net.Uri;
+
 import android.os.Bundle;
-import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.v4.app.Fragment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -15,6 +12,8 @@
 import org.ntlab.radishforandroidstudio.framework.model3D.Universe;
 import org.ntlab.radishforandroidstudio.framework.view3D.Camera3D;
 
+import static android.content.ContentValues.TAG;
+
 public class RealTime3DFragment extends RealTimeFragment{
     protected Universe universe;
     protected Camera3D camera;
@@ -32,7 +31,7 @@
         view.attachCamera(camera);
 
         getActivity().setContentView(view);
-
+//        Log.d(TAG, "onCreate");
 
     }
 
diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTimeActivity.java b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTimeActivity.java
index 417cb4f..0a85e18 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTimeActivity.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/framework/gameMain/RealTimeActivity.java
@@ -25,23 +25,23 @@
 		this.fixedInterval = false;
 		schedule.scheduleWithFixedDelay(this, interval, interval, TimeUnit.MILLISECONDS);
 	}
-	
+
 	protected void start(long delay, long interval){
 		this.interval = interval;
 		this.fixedInterval = false;
 		schedule.scheduleWithFixedDelay(this, delay, interval, TimeUnit.MILLISECONDS);
 	}
-	
+
 	protected void start(long delay, long interval, boolean fixedInterval){
 		this.interval = interval;
 		this.fixedInterval = fixedInterval;
 		schedule.scheduleWithFixedDelay(this, delay, interval, TimeUnit.MILLISECONDS);
 	}
-	
+
 	protected void stop() {
 		schedule.shutdown();
 	}
-	
+
 	//繰り返し実行される部分
 	public void run(){
 		long interval;
@@ -55,7 +55,7 @@
 		}
 		update(interval);
 	}
-	
+
 	//intervalミリ秒のインターバルをおいて定期実行
 	protected abstract void update(long interval);
 }
diff --git a/app/src/main/res/layout/activity_sample.xml b/app/src/main/res/layout/activity_sample.xml
index 0a9ec10..35b5505 100644
--- a/app/src/main/res/layout/activity_sample.xml
+++ b/app/src/main/res/layout/activity_sample.xml
@@ -7,27 +7,11 @@
     android:layout_height="match_parent"
     tools:context=".cactusClient.tests.SampleActivity">
 
-    <Button
-        android:id="@+id/button"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="8dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginRight="8dp"
-        android:layout_marginTop="8dp"
-        android:onClick="ClickButton"
-        android:text="Start"
-        app:layout_constraintBottom_toTopOf="@+id/fragment_field"
-        app:layout_constraintEnd_toStartOf="@+id/button2"
-        app:layout_constraintHorizontal_bias="0.483"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
     <fragment
         android:id="@+id/fragment_field"
-        android:name="org.ntlab.radishforandroidstudio.cactusClient.tests.SampleGameFragment"
-        android:layout_width="300dp"
-        android:layout_height="300dp"
+        android:name="org.ntlab.radishforandroidstudio.cactusClient.tests.StartFragment"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
         android:layout_marginBottom="8dp"
         android:layout_marginEnd="8dp"
         android:layout_marginLeft="8dp"
@@ -37,23 +21,5 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/button"
-        tools:layout="@layout/fragment_sample_game" />
-
-    <Button
-        android:id="@+id/button2"
-        android:layout_width="0dp"
-        android:layout_height="wrap_content"
-        android:layout_marginBottom="16dp"
-        android:layout_marginEnd="8dp"
-        android:layout_marginLeft="8dp"
-        android:layout_marginRight="8dp"
-        android:layout_marginStart="8dp"
-        android:layout_marginTop="8dp"
-        android:onClick="ClickButton"
-        android:text="GameStart"
-        app:layout_constraintBottom_toTopOf="@+id/fragment_field"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toEndOf="@+id/button"
         app:layout_constraintTop_toTopOf="parent" />
 </android.support.constraint.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_start.xml b/app/src/main/res/layout/fragment_start.xml
index e1fa02a..8789611 100644
--- a/app/src/main/res/layout/fragment_start.xml
+++ b/app/src/main/res/layout/fragment_start.xml
@@ -13,4 +13,10 @@
         android:text="Start"
         android:textSize="30sp" />
 
+    <Button
+        android:id="@+id/button"
+        android:layout_width="150dp"
+        android:layout_height="100dp"
+        android:text="Button" />
+
 </FrameLayout>
\ No newline at end of file