diff --git a/.idea/misc.xml b/.idea/misc.xml
index 37a7509..dfd2c79 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="1.8" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" project-jdk-name="JDK" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
   <component name="ProjectType">
diff --git a/app/build.gradle b/app/build.gradle
index 943a012..195a8be 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -32,4 +32,4 @@
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
     implementation "com.squareup.retrofit2:retrofit:2.5.0"
     implementation 'com.squareup.retrofit2:converter-jackson:2.5.0'
-}
\ No newline at end of file
+}
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 483db85..8ea448c 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -18,8 +18,14 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/AppTheme">
+        <activity android:name=".VoiceTest">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
 
-<!--        <category android:name="android.intent.category.LAUNCHER" />-->
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <!-- <category android:name="android.intent.category.LAUNCHER" /> -->
         <!--
              The API key for Google Maps-based APIs is defined as a string resource.
              (See the file "res/values/google_maps_api.xml").
@@ -34,16 +40,11 @@
 
         <activity
             android:name=".MapsActivity"
-            android:label="@string/title_activity_maps">
-        </activity>
+            android:label="@string/title_activity_maps"></activity>
         <activity android:name=".SignupActivity">
-            <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
 
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
         </activity>
-        <activity android:name=".MainActivity"></activity>
+        <activity android:name=".MainActivity" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java b/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java
new file mode 100644
index 0000000..983812a
--- /dev/null
+++ b/app/src/main/java/org/ntlab/amaryllis/client/VoiceTest.java
@@ -0,0 +1,252 @@
+package org.ntlab.amaryllis.client;
+
+import androidx.annotation.NonNull;
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.media.MediaPlayer;
+import android.media.MediaRecorder;
+import android.media.MediaPlayer.OnCompletionListener;
+import android.os.Environment;
+import android.os.Handler;
+import android.os.Message;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.LinearLayout;
+import android.widget.SeekBar;
+import android.widget.TextView;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class VoiceTest extends AppCompatActivity {
+
+    //Button[] bt = new Button[3];
+    private MediaPlayer mp;
+    private MediaRecorder mr;
+    static final String filePath = Environment.getExternalStorageDirectory() + "/app/res/raw";
+    private int totalTime;
+    private SeekBar positionBar;
+    private TextView elapsedTimeLabel;
+    private TextView remainingTimeLabel;
+    private int StartChange = 1;
+    File file;
+
+    //public class mp extends Activity implements OnCompletionListener{
+
+    //};
+
+    //再生開始&再生中止
+    private void startPlay() {
+        ImageView Stoping = findViewById(R.id.Stoping);
+        ImageView Playing = findViewById(R.id.Playing);
+        float Tmin = 0;
+        float Tmax = 255;
+        //mp = new MediaPlayer();
+        //mp = MediaPlayer.create(this,R.raw.bgm);
+
+        if (mp.isPlaying()) {
+            mp.stop();//再生を中断
+            //mp.pause();//途中から再生を再開したい時はこっちを使う必要があるかも
+            Stoping.setAlpha(1.0f);//画像が見えるようにする処理
+            Playing.setAlpha(0.0f);//画像が見えないようにする処理
+            //try{
+            //mp.prepare();
+            //}catch(IllegalStateException e){
+            //e.printStackTrace();
+            //}catch(IOException e){
+            //e.printStackTrace();
+            //}
+        } else {
+            try {
+                //mp = new MediaPlayer();
+                mp.setDataSource(file.getAbsolutePath());//再生するファイルを持ってくる
+
+                //OutputStream filePath = openFileOutput("a",MODE_PRIVATE);
+                //mp.setDataSource(filePath);
+                mp.prepare();
+            } catch (IllegalStateException e) {
+                e.printStackTrace();
+
+                //if(StartChange == 1){
+                //positionBar = findViewById(R.id.positionBar);
+                //positionBar.setMax(totalTime);
+                //positionBar.setOnSeekBarChangeListener(
+                //new SeekBar.OnSeekBarChangeListener(){
+                //public void onProgressChanged(SeekBar seekBar,int progress,boolean fromUser){
+                //if(fromUser){
+                //mp.seekTo(progress);
+                //positionBar.setProgress(progress);
+                //}
+                //}
+
+                //public void onStartTrackingTouch(SeekBar seekBar){
+
+                //}
+
+                //public void onStopTrackingTouch(SeekBar seekBar){
+
+                //}
+                //}
+                //);
+
+                //}
+
+                //mp.start();
+
+
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+            totalTime = mp.getDuration();
+            String S_totalTime = createTimeLabel(totalTime);//createTimeLabelにtotalTimeを渡す。
+            TextView voiceTime = (TextView) findViewById(R.id.voiceTime);
+            voiceTime.setText(S_totalTime);
+            mp.seekTo(0);
+            mp.start();//再生スタート
+            Playing.setAlpha(1.0f);
+            Stoping.setAlpha(0.0f);
+        }
+    }
+
+    //totalTimeを分、秒に変換
+    public String createTimeLabel(int time) {
+        String timeLabel = "";
+        int min = time / 1000 / 60;
+        int sec = time / 1000 % 60;
+
+        timeLabel = min + ":";
+        if (sec < 10) timeLabel += "0";
+        timeLabel += sec;
+        return timeLabel;
+    }
+
+    //録音開始&録音終了
+    private void startRecord() {
+
+        if (StartChange == 0) {
+            try {
+                mr.stop();
+                mr.reset();
+                mr.release();
+                StartChange = 1;
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        } else {
+            try {
+                mr = new MediaRecorder();
+                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.prepare();
+                mr.start();
+                StartChange = 0;
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_voice_test);
+        file = new File(getFilesDir(), "Sample.3gp");
+        mp = new MediaPlayer();
+
+
+        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();
+            }
+        });
+
+        //Button RTeisi = (Button)findViewById(R.id.button3);
+        //RTeisi.setOnClickListener(new View.OnClickListener(){
+        //public void onClick(View x){
+        //TextView textView1 = (TextView)findViewById(R.id.text);
+        //textView1.setText("Rokuon Stop!");
+        //stopRecord();
+        //}
+        //});
+
+        Button Saisei = (Button) findViewById(R.id.button4);
+        //Saisei.setAlpha(0);
+        Saisei.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View x) {
+                TextView textView1 = (TextView) findViewById(R.id.text);
+                textView1.setText("Saisei Start!");
+
+                startPlay();
+            }
+        });
+
+        //Button STeisi = (Button)findViewById(R.id.button5);
+        //STeisi.setOnClickListener(new View.OnClickListener(){
+        //public void onClick(View x){
+        //TextView textView1 = (TextView)findViewById(R.id.text);
+        //textView1.setText("Saisei Stop!");
+        //stopPlay();
+        //}
+        //});
+        //}
+
+        //private Handler handler = new Handler(){
+        //@Override
+        //public void handleMessage(Message msg){
+        //int currentPosition = msg.what;
+
+        //再生位置を更新
+        //positionBar.setProgress(currentPositon);
+
+        //経過時間ラベル更新
+        //String elapsedTime = createTimeLabel(currentPosition);
+        //elapseTimeLabel.setText(elapsedTime);
+
+        //残り時間ラベル更新
+        //String remainingTime = createTimeLabel(totalTime - currentPosition);
+        //remainingTimeLabel.setText("-" + remainingTime);
+        //}
+        //};
+
+
+        //再生停止
+        //private void stopPlay(){
+        //try{
+        //mp.stop();
+        //mp.prepare();
+        //mp.release();
+        //}catch(IllegalStateException e){
+        //e.printStackTrace();
+        //}catch(Exception e){
+        //e.printStackTrace();
+        //}
+        //}
+
+
+        //録音終了
+        //private void stopRecord(){
+        //try{
+        //mr.stop();
+        //mr.reset();
+        //mr.release();
+
+        //}catch(Exception e){
+        //e.printStackTrace();
+        //}
+        //}
+
+    }
+}
+
diff --git a/app/src/main/res/layout/activity_voice_test.xml b/app/src/main/res/layout/activity_voice_test.xml
new file mode 100644
index 0000000..0597e88
--- /dev/null
+++ b/app/src/main/res/layout/activity_voice_test.xml
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context="VoiceTest">
+
+    <LinearLayout
+        android:id="@+id/linearLayout"
+        android:layout_width="411dp"
+        android:layout_height="384dp"
+        android:orientation="vertical"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.077"
+        tools:layout_editor_absoluteX="5dp">
+
+        <Button
+            android:id="@+id/button2"
+            android:layout_width="73dp"
+            android:layout_height="wrap_content"
+            android:text="録音" />
+
+        <FrameLayout
+            android:layout_width="73dp"
+            android:layout_height="60dp">
+
+            <ImageView
+                android:id="@+id/Stoping"
+                android:layout_width="59dp"
+                android:layout_height="51dp"
+                app:srcCompat="@android:drawable/ic_media_play" />
+
+            <ImageView
+                android:id="@+id/Playing"
+                android:layout_width="61dp"
+                android:layout_height="54dp"
+                android:alpha="0"
+                app:srcCompat="@android:drawable/ic_media_pause" />
+
+            <Button
+                android:id="@+id/button4"
+                android:layout_width="68dp"
+                android:layout_height="51dp"
+                android:alpha="0"
+                android:text="再生" />
+
+        </FrameLayout>
+
+        <TextView
+            android:id="@+id/text"
+            android:layout_width="match_parent"
+            android:layout_height="51dp"
+            android:text="TextView" />
+
+        <TextView
+            android:id="@+id/voiceTime"
+            android:layout_width="match_parent"
+            android:layout_height="67dp"
+            android:text="再生時間" />
+
+    </LinearLayout>
+
+    <SeekBar
+        android:id="@+id/positionBar"
+        android:layout_width="290dp"
+        android:layout_height="49dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.495"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/linearLayout"
+        app:layout_constraintVertical_bias="0.896" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/raw/bgm.mp3 b/app/src/main/res/raw/bgm.mp3
new file mode 100644
index 0000000..3f9d800
--- /dev/null
+++ b/app/src/main/res/raw/bgm.mp3
Binary files differ