diff --git a/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java b/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java
index b7fdd22..32bc7c9 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java
@@ -1,18 +1,38 @@
 package org.ntlab.amaryllis.client.voiceservice;
 
-import android.location.Location;
-
 import java.util.ArrayList;
 
 public class PlayListManager {
-
-    public void addVoiceMemos(ArrayList<VoiceMemo> voicememo, Location location){
+    int index = 0;
+    ArrayList<VoiceMemo> playlist = new ArrayList<>();
+    ArrayList<VoiceMemo> unplayedlist = new ArrayList<>();
+    //範囲内にある全てのvoicememoのリストを作成
+    public void addVoiceMemos(ArrayList<VoiceMemo> voicememos){
+        for(int i = 0;i < voicememos.size(); i++) {
+            boolean exist = false;
+            for(int j = 0;j < playlist.size(); j++){
+                if(voicememos.get(i).getVid().equals(playlist.get(j).getVid()))
+                  exist = true;
+            }
+            if(exist = false)
+              playlist.add(voicememos.get(i));
+        }
     }
 
-    public void getPlayList(){
+    //範囲内にある全てのvoicememoのリスト
+    public ArrayList<VoiceMemo> getPlayList(){
+        return playlist;
     }
-
-    public void getUnplayed(){
+    //まだ聞いていないvoicememoのリスト
+    public ArrayList<VoiceMemo> getUnplayedList(){
+        //毎回リストを返すのか？
+        unplayedlist.clear();
+        for(int i = index; i < playlist.size(); i++){
+            unplayedlist.add(playlist.get(i));
+        }
+        return unplayedlist;
     }
-
+    public void next(){
+        index++;
+    }
 }
diff --git a/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/VoiceMemo.java b/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/VoiceMemo.java
index 3bd8f4c..115bd7f 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/VoiceMemo.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/VoiceMemo.java
@@ -1,4 +1,115 @@
 package org.ntlab.amaryllis.client.voiceservice;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+import org.w3c.dom.Comment;
+
+import java.util.ArrayList;
+import java.util.Calendar;
+import java.util.HashMap;
+
 public class VoiceMemo {
+
+        private String vid;
+        private String uid;
+        private Calendar upload;
+        private Integer time;
+        private String data;
+        private double latitude;
+        private double longitude;
+        private String title;
+        private String summary;
+        private Integer times;
+        @JsonIgnore
+        private ArrayList<String> favolist;
+        private Integer favos;
+        private ArrayList<String> categories;
+        private HashMap<String, Comment> commentMap = new HashMap<>();
+        public VoiceMemo(String vid, String uid, Integer time, String url, double latitude, double longitude, String title, String summary) {
+            Calendar upload = Calendar.getInstance();
+            setVid(vid);
+            setUid(uid);
+            setUpload(upload);
+            setTime(time);
+            setData(url);
+            setLatitude(latitude);
+            setLongitude(longitude);
+            setTitle(title);
+            setSummary(summary);
+            this.times = 0;
+            this.favos = 0;
+        }
+
+
+
+
+        public String getVid() {
+            return vid;
+        }
+        private void setVid(String vid) {
+            this.vid = vid;
+        }
+        private String getUid() {
+            return uid;
+        }
+        private void setUid(String uid) {
+            this.uid = uid;
+        }
+        public Calendar getUpload() {
+            return upload;
+        }
+        private void setUpload(Calendar upload) {
+            this.upload = upload;
+        }
+        public Integer getTime() {
+            return time;
+        }
+        private void setTime(Integer time) {
+            this.time = time;
+        }
+        public String getData() {
+            return data;
+        }
+        private void setData(String url) {
+            this.data = url;
+        }
+        public double getLatitude() {
+            return latitude;
+        }
+        private void setLatitude(double latitude) {
+            this.latitude = latitude;
+        }
+        public double getLongitude() {
+            return longitude;
+        }
+        private void setLongitude(double longitude) {
+            this.longitude = longitude;
+        }
+        public String getTitle() {
+            return title;
+        }
+        public void setTitle(String title) {
+            this.title = title;
+        }
+        public String getSummary() {
+            return summary;
+        }
+        public void setSummary(String summary) {
+            this.summary = summary;
+        }
+        public Integer getTimes() {
+            return times;
+        }
+        public void addTimes() {//？どのタイミングで加算するか
+            times++;
+        }
+        public ArrayList<String> getFavolist(){ return favolist; }
+        public boolean checkFavo(String uid){
+            for (String a : favolist) {
+                if (a.equals(vid)) {
+                    return true;
+                }
+            }
+            return false;
+        }
 }