diff --git a/app/src/main/java/org/ntlab/irisclient/MemberRoomActivity.java b/app/src/main/java/org/ntlab/irisclient/MemberRoomActivity.java
index e319394..574c50c 100644
--- a/app/src/main/java/org/ntlab/irisclient/MemberRoomActivity.java
+++ b/app/src/main/java/org/ntlab/irisclient/MemberRoomActivity.java
@@ -34,7 +34,7 @@
     //フィールド
     ArrayList<String> viewMembers = new ArrayList<>();
     ArrayList<String> oldMembers = new ArrayList<>();
-    String r = "roomid";
+    String roomId = "null";
     String myName = "null";
 
 
@@ -45,7 +45,7 @@
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_member_room);
 
-        String roomId = ((Iris) getApplication()).getRid();
+        roomId = ((Iris) getApplication()).getRid();
         String nickname = ((Iris) getApplication()).getNickname();
 
         //--------------------------------------------------------------------------
@@ -101,8 +101,61 @@
 
         //--------------------------------------------------------------------------
         //各ボタン処理
-        buttonProcesses();
+        Button redMasterButton = (Button) findViewById(R.id.beRedMaster);
+        Button redSpyButton = (Button) findViewById(R.id.beRedSpy);
+        Button blueMasterButton = (Button) findViewById(R.id.beBlueMaster);
+        Button blueSpyButton = (Button) findViewById(R.id.beBlueSpy);
+        ImageButton copyButton = (ImageButton) findViewById(R.id.copyButton);
 
+        //MemberRoom専用ボタン
+        ImageButton homeButton = (ImageButton) findViewById(R.id.homeButton);
+
+        //チームと役職の変更
+        //赤チーム・スパイマスター
+        redMasterButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                roomViewModel.changeBelongsAndMaster(roomId, myName,"r",true);
+            }
+        });
+
+        //赤チーム・諜報員
+        redSpyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                roomViewModel.changeBelongsAndMaster(roomId, myName,"r",false);
+            }
+        });
+
+        //青チーム・スパイマスター
+        blueMasterButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                roomViewModel.changeBelongsAndMaster(roomId, myName,"b",true);
+            }
+        });
+
+        //青チーム・諜報員
+        blueSpyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                roomViewModel.changeBelongsAndMaster(roomId, myName,"b",false);
+            }
+        });
+
+        copyButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Snackbar.make(v, "コピーしました", Snackbar.LENGTH_LONG).show();
+            }
+        });
+
+        homeButton.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+
+            }
+        });
 
         //---------------------------------------------------------------
         //settings情報
@@ -119,64 +172,4 @@
 
     }
 
-    public void buttonProcesses(){
-        Button redMasterButton = (Button) findViewById(R.id.beRedMaster);
-        Button redSpyButton = (Button) findViewById(R.id.beRedSpy);
-        Button blueMasterButton = (Button) findViewById(R.id.beBlueMaster);
-        Button blueSpyButton = (Button) findViewById(R.id.beBlueSpy);
-        ImageButton copyButton = (ImageButton) findViewById(R.id.copyButton);
-        ImageButton homeButton = (ImageButton) findViewById(R.id.homeButton);
-
-        redMasterButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                r = "赤マスターボタン検知しました";
-                TextView RoomIdText = findViewById(R.id.roomID);
-                RoomIdText.setText(r);
-            }
-        });
-
-        redSpyButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                r = "赤諜報員ボタン検知しました";
-                TextView RoomIdText = findViewById(R.id.roomID);
-                RoomIdText.setText(r);
-            }
-        });
-
-        blueMasterButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                r = "青マスターボタン検知しました";
-                TextView RoomIdText = findViewById(R.id.roomID);
-                RoomIdText.setText(r);
-            }
-        });
-
-        blueSpyButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                r = "青諜報員ボタン検知しました";
-                TextView RoomIdText = findViewById(R.id.roomID);
-                RoomIdText.setText(r);
-            }
-        });
-
-        homeButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                r = "ホームボタン検知しました";
-                TextView RoomIdText = findViewById(R.id.roomID);
-                RoomIdText.setText(r);
-            }
-        });
-
-        copyButton.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                Snackbar.make(v, "コピーしました", Snackbar.LENGTH_LONG).show();
-            }
-        });
-    }
 }
\ No newline at end of file