diff --git a/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java b/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java
index b5669c9..f584234 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/fragment/MapsFragment.java
@@ -5,13 +5,19 @@
 import androidx.fragment.app.Fragment;
 
 import android.content.Intent;
+import android.media.MediaPlayer;
+import android.media.MediaRecorder;
 import android.os.Bundle;
+import android.os.Environment;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
 
 import android.widget.Button;
+import android.widget.ImageView;
+import android.widget.SeekBar;
+import android.widget.TextView;
 
 import com.google.android.gms.maps.CameraUpdateFactory;
 import com.google.android.gms.maps.GoogleMap;
@@ -23,9 +29,22 @@
 import org.ntlab.amaryllis.client.R;
 import org.ntlab.amaryllis.client.VoiceActivity;
 
+import java.io.File;
+
 public class MapsFragment extends Fragment {
 
-    Button rokuButton;
+
+    private MediaRecorder mr;
+    private MediaPlayer mp;
+    private int totalTime;
+    private SeekBar positionBar;
+    private TextView elapsedTimeLabel;
+    private TextView remainingTimeLabel;
+    private int StartChange = 1;
+    File file;
+    static final String filePath = Environment.getExternalStorageDirectory() + "/sample.mp4";
+    Button RecordButton;
+    Button PlaybackButton;
 
     private OnMapReadyCallback callback = new OnMapReadyCallback() {
 
@@ -55,17 +74,30 @@
 
     }
 
+    //ここにボタンを押した時の処理を書いていきます。
     @Override
     public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
         super.onViewCreated(view, savedInstanceState);
+        //file = new File(getFilesDir(),"Sample.3gp");
+        mp = new MediaPlayer();
 
-        rokuButton = (Button)view.findViewById(R.id.button);
-        rokuButton.setOnClickListener(new View.OnClickListener() {
+        RecordButton = (Button)view.findViewById(R.id.button);
+        RecordButton.setOnClickListener(new View.OnClickListener() {
             public void onClick(View v) {
-                Intent intent = new Intent(getActivity(), VoiceActivity.class);
-                startActivity(intent);
+                //Intent intent = new Intent(getActivity(), VoiceActivity.class);
+                //startActivity(intent);
+                startRecord();
             }
         });
+
+        PlaybackButton = (Button)view.findViewById(R.id.button2);
+        PlaybackButton.setOnClickListener(new View.OnClickListener() {
+            public void onClick(View v) {
+                startPlay();
+            }
+        });
+
+
         SupportMapFragment mapFragment =
                 (SupportMapFragment) getChildFragmentManager().findFragmentById(R.id.map);
         if (mapFragment != null) {
@@ -96,7 +128,135 @@
 
     }
 
+    //録音開始&録音終了
+    private void startRecord(){
+        File wavFile = new File(filePath);
+        if(StartChange == 0) {
+            try {
+                TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
+                textView1.setText("Record End!");
+                mr.stop();
+                mr.reset();
+                mr.release();
+                StartChange = 1;
+            } catch (Exception e) {
+                e.printStackTrace();
+            }
+        }else {
+            try {
+                TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
+                textView1.setText("Record Start!");
+                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();
+            }
+        }
+    }
+
+
+    //再生開始&再生中止
+    //次は再生が終わった時の処理を書いていく事。
+    private void startPlay(){
+        ImageView Stoping = getView().findViewById(R.id.Stoping);
+        ImageView Playing = getView().findViewById(R.id.Playing);
+        float Tmin = 0;
+        float Tmax = 255;
+        //mp = new MediaPlayer();
+        //mp = MediaPlayer.create(this,R.raw.bgm);
+
+        if(mp.isPlaying()){
+            TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
+            textView1.setText("Playback Stop!");
+            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();
+            }
+            TextView textView1 = (TextView)getView().findViewById(R.id.Notice);
+            textView1.setText("Playback Start!");
+            mp.seekTo(0);
+            mp.start();//再生スタート
+            Playing.setAlpha(1.0f);
+            Stoping.setAlpha(0.0f);
+        }
+        totalTime = mp.getDuration();
+        String S_totalTime = createTimeLabel(totalTime);//createTimeLabelにtotalTimeを渡す。
+        TextView voiceTime = (TextView)getView().findViewById(R.id.VoiceTime);
+        voiceTime.setText(S_totalTime);
+    }
+
+    //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;
+    }
 
 
 }
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