diff --git a/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java b/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java
index c7f2210..7dfb80d 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java
@@ -8,8 +8,10 @@
 import android.view.View;
 import android.widget.Button;
 import android.widget.LinearLayout;
+import android.widget.TextView;
 
 import java.io.File;
+import java.io.OutputStream;
 
 public class VoiceTest extends AppCompatActivity {
 
@@ -29,6 +31,8 @@
         try {
             //mp = new MediaPlayer();
             mp.setDataSource(file.getAbsolutePath());
+            //OutputStream filePath = openFileOutput("a",MODE_PRIVATE);
+            //mp.setDataSource(filePath);
             mp.prepare();
             mp.start();
         }catch(Exception e){
@@ -54,8 +58,8 @@
             mr.setAudioSource(MediaRecorder.AudioSource.MIC);
             mr.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
             mr.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
-            //mr.setOutputFile(file.getAbsolutePath());
-            mr.setOutputFile(filePath);
+            mr.setOutputFile(file.getAbsolutePath());
+            //mr.setOutputFile(filePath);
 
             mr.prepare();
             mr.start();
@@ -85,6 +89,8 @@
         Button Rokuon = (Button)findViewById(R.id.button2);
         Rokuon.setOnClickListener(new View.OnClickListener(){
             public void onClick(View x){
+                TextView textView1 = (TextView)findViewById(R.id.text);
+                textView1.setText("Rokuon Start!");
                 startRecord();
             }
         });
@@ -92,6 +98,8 @@
         Button Teisi = (Button)findViewById(R.id.button3);
         Teisi.setOnClickListener(new View.OnClickListener(){
             public void onClick(View x){
+                TextView textView1 = (TextView)findViewById(R.id.text);
+                textView1.setText("Rokuon Stop!");
                 stopRecord();
             }
         });
@@ -99,6 +107,8 @@
         Button Saisei = (Button)findViewById(R.id.button4);
         Saisei.setOnClickListener(new View.OnClickListener(){
             public void onClick(View x){
+                TextView textView1 = (TextView)findViewById(R.id.text);
+                textView1.setText("Saisei Start!");
                 startPlay();
             }
         });
diff --git a/app/src/main/res/layout/activity_voice_test.xml b/app/src/main/res/layout/activity_voice_test.xml
index 807d270..b6c3ca7 100644
--- a/app/src/main/res/layout/activity_voice_test.xml
+++ b/app/src/main/res/layout/activity_voice_test.xml
@@ -7,12 +7,13 @@
     tools:context=".VoiceTest">
 
     <LinearLayout
+        android:id="@+id/linearLayout"
         android:layout_width="419dp"
         android:layout_height="525dp"
         android:orientation="vertical"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.038"
+        app:layout_constraintVertical_bias="0.077"
         tools:layout_editor_absoluteX="-4dp">
 
         <Button
@@ -32,6 +33,21 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:text="再生" />
+
+        <TextView
+            android:id="@+id/text"
+            android:layout_width="match_parent"
+            android:layout_height="51dp"
+            android:text="TextView" />
+
     </LinearLayout>
 
+    <SeekBar
+        android:id="@+id/seekBar"
+        android:layout_width="340dp"
+        android:layout_height="55dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/linearLayout"
+        tools:layout_editor_absoluteX="36dp" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
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