diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 20e96e7..26633c0 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -15,7 +15,7 @@
         android:usesCleartextTraffic="true">
 
         <activity android:name=".IntroActivity">
-          <intent-filter>
+            <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
                 <category android:name="android.intent.category.LAUNCHER" />
@@ -26,7 +26,7 @@
         <activity android:name=".TimerActivity" />
         <activity android:name=".Friend_add" />
         <activity android:name=".Friend_main" />
-        <activity android:name=".todo.Todo_main"/>
+        <activity android:name=".todo.Todo_main" />
 
     </application>
 
diff --git a/app/src/main/java/com/example/myapplication/friend/APIS.kt b/app/src/main/java/com/example/myapplication/friend/APIS.kt
deleted file mode 100644
index a94dc18..0000000
--- a/app/src/main/java/com/example/myapplication/friend/APIS.kt
+++ /dev/null
@@ -1,51 +0,0 @@
-package com.example.myapplication.friend
-
-import com.example.myapplication.RetrofitService
-import com.google.gson.Gson
-import com.google.gson.GsonBuilder
-import com.google.gson.annotations.SerializedName
-import retrofit2.Call
-import retrofit2.Retrofit
-import retrofit2.converter.gson.GsonConverterFactory
-import retrofit2.http.*
-
-
-
-interface APIS : RetrofitService {
-
-    // 친구 추가 기능
-    @POST("follow/{memberId}")
-    fun post_users(@Path("memberId") memberId: Long): Call<PostModel>
-
-    // 친구 삭제 기능
-    @DELETE("follow/{memberId}")
-    fun delete_users(@Path("memberId") memberId: Long): Call<DeleteModel>
-
-
-    // 친구 검색 기능 (완료)
-    @GET("follow/search")
-    fun get_users(@Query("name") name: String): Call<CheckGetModel>
-
-
-    // 친구 목록 조회 기능 (완료)
-    @GET("follow")
-    fun get2_users(): Call<CheckGetModel2>
-
-
-
-    companion object { // static 처럼 공유객체로 사용가능함. 모든 인스턴스가 공유하는 객체로서 동작함.
-        private const val BASE_URL = "http://180.230.121.23/" // 주소
-
-        fun create(): APIS {
-
-
-            val gson :Gson =   GsonBuilder().setLenient().create();
-
-            return Retrofit.Builder()
-                .baseUrl(BASE_URL)
-                .addConverterFactory(GsonConverterFactory.create(gson))
-                .build()
-                .create(APIS::class.java)
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/friend/DataModels.kt b/app/src/main/java/com/example/myapplication/friend/DataModels.kt
deleted file mode 100644
index 6be112e..0000000
--- a/app/src/main/java/com/example/myapplication/friend/DataModels.kt
+++ /dev/null
@@ -1,43 +0,0 @@
-package com.example.myapplication.friend
-
-
-import com.google.gson.annotations.SerializedName
-
-// 친구 삭제
-data class DeleteModel(
-    var code : Int,
-    var message: String
-)
-
-
-// 친구 검색 (완료)
-data class GetModel(
-    var userId : Long,
-    var username: String,
-    var email: String
-)
-class CheckGetModel(
-    @SerializedName("userList")
-    val checkRoomList : List<GetModel>
-)
-
-// 친구 목록 (완료)
-data class GetModel2(
-    var userId : Long,
-    var username: String,
-    var achievementRate: Double,
-    var accumulatedTime: String,
-    var studyStatus: Boolean
-)
-class CheckGetModel2(
-    @SerializedName("followList")
-    val checkRoomList2 : List<GetModel2>
-)
-
-
-
-// 친구 요청
-data class PostModel(
-    var code : Int,
-    var message: String
-)
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/friend/Friend_add.kt b/app/src/main/java/com/example/myapplication/friend/Friend_add.kt
deleted file mode 100644
index 39a1b41..0000000
--- a/app/src/main/java/com/example/myapplication/friend/Friend_add.kt
+++ /dev/null
@@ -1,210 +0,0 @@
-package com.example.myapplication
-
-import android.content.Intent
-import android.os.Bundle
-import android.util.Log
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.*
-import androidx.appcompat.app.AppCompatActivity
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.example.myapplication.friend.*
-import com.example.myapplication.todo.Todo_main
-import kotlinx.android.synthetic.main.friend_add.*
-import kotlinx.android.synthetic.main.friend_add_list_item.view.*
-import kotlinx.android.synthetic.main.friend_main.*
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-
-
-class Friend_add : AppCompatActivity() {
-    val api = APIS.create()
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.friend_add)
-
-        // 검색어를 입력할 Input 창
-        val friend_search_input : EditText= findViewById<EditText>(R.id.friend_search_input)
-        // 검색어 검색 버튼
-        val friend_search_button : Button= findViewById<Button>(R.id.friend_search_button)
-        // 친구 추가 버튼
-        val friend_add_button:Button = findViewById<Button>(R.id.friend_add_button)
-
-        val back_button: ImageView = findViewById<ImageView>(R.id.back_button)
-
-        val checked_user_name = findViewById<View>(R.id.checked_user_name) as TextView
-        val checked_user_email = findViewById<View>(R.id.checked_user_email)as TextView
-
-
-        val friendaddlist: friendaddList = friendaddList()
-
-        var userId: Long = 401
-
-        // 리싸이클러뷰 어댑터 설정
-        val mAdapter=Friend_Adapter(friendaddlist)
-        val manager = LinearLayoutManager(this)
-        manager.reverseLayout = false
-        manager.stackFromEnd = false
-        friend_add_recyclerView.layoutManager = manager
-
-        mAdapter.setItemClickListener(object : Friend_Adapter.ItemClickListener {
-            override fun onClick(view:View, position: Int) {
-                // 선택한 유저 닉네임, 이메일 표시
-                val name: String = friendaddlist.FriendaddList[position].name
-                val email: String = friendaddlist.FriendaddList[position].email
-                userId = friendaddlist.FriendaddList[position].userId
-
-                checked_user_name.text = name
-                checked_user_email.text = email
-
-                friend_add_recyclerView.layoutManager = manager
-            }
-        })
-
-        // 친구 검색 기능 구현
-        friend_search_button.setOnClickListener {
-            // 리스트 초기화 할 필요 있음
-            friendaddlist.FriendaddList.clear()
-
-            (application as MasterApplication).api.get_users(friend_search_input.text.toString()).enqueue(object : Callback<CheckGetModel> {
-                override fun onResponse(call: Call<CheckGetModel>, response: Response<CheckGetModel>) {
-                    Log.d("log", response.toString())
-
-                    // 받은 유저정보 -닉네임, 이메일- 리사이클러뷰로 보이기
-                    if(response.isSuccessful){
-                        for(i in response.body()!!.checkRoomList.indices){
-                            val userid = response.body()!!.checkRoomList[i].userId
-                            val name= response.body()!!.checkRoomList[i].username
-                            val email= response.body()!!.checkRoomList[i].email
-                            Log.d("log", name)
-                            Log.d("log", email)
-
-                            // 리스트에 추가
-                            friendaddlist.addFriend(
-                                addlist(
-                                    userid,
-                                    name,
-                                    email
-                                )
-                            )
-                        }
-                    }
-                    else{
-                        Toast.makeText(this@Friend_add, "존재하지 않는 닉네임입니다", Toast.LENGTH_LONG).show()
-                    }
-
-
-                    // 리사이클러뷰 설정
-                    friend_add_recyclerView.adapter = mAdapter
-
-                }
-                override fun onFailure(call: Call<CheckGetModel>, t: Throwable) {
-                    // 실패
-                    Log.d("log",t.message.toString())
-                    Log.d("log","fail")
-                }
-            })
-        }
-
-
-        // 친구 추가 기능 구현
-        friend_add_button.setOnClickListener {
-            (application as MasterApplication).api.post_users(userId).enqueue(object : Callback<PostModel> {
-                override fun onResponse(call: Call<PostModel>, response: Response<PostModel>) {
-                    Log.d("log", response.toString())
-
-                    Log.d("log", userId.toString())
-                    Log.d("log", checked_user_name.toString())
-                    Log.d("log", checked_user_email.toString())
-
-                    if(response.body()!!.code == 200){
-                        Toast.makeText(this@Friend_add, response.body()!!.message, Toast.LENGTH_LONG).show()
-
-                        finish()
-                    }
-                    else if(response.body()!!.code == 400){
-                        Toast.makeText(this@Friend_add, response.body()!!.message, Toast.LENGTH_LONG).show()
-                    }
-                    else if(response.body()!!.code == 401){
-                        Toast.makeText(this@Friend_add, response.body()!!.message, Toast.LENGTH_LONG).show()
-                    }
-
-                }
-                override fun onFailure(call: Call<PostModel>, t: Throwable) {
-                    // 실패
-                    Log.d("log",t.message.toString())
-                    Log.d("log","fail")
-                }
-            })
-
-
-
-            finish()
-        }
-
-
-        back_button.setOnClickListener {
-            finish()
-        }
-
-
-
-
-    }
-
-
-    class Friend_Adapter(
-        val friend_addList: friendaddList,
-    ) : RecyclerView.Adapter<Friend_Adapter.ViewHolder>() {
-
-        private lateinit var itemClickListner: ItemClickListener
-
-        inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
-            val friend_name: TextView
-            val friend_Email: TextView
-            val mRootView:LinearLayout
-
-            init {
-                friend_name = itemView.findViewById(R.id.friend_name_item)
-                friend_Email = itemView.findViewById(R.id.friend_Email_item)
-                mRootView = itemView.findViewById(R.id.mRootView)
-            }
-        }
-
-        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-            val view = LayoutInflater.from(parent.context).inflate(R.layout.friend_add_list_item, parent, false)
-            return ViewHolder(view)
-        }
-
-        override fun getItemCount(): Int {
-            return friend_addList.FriendaddList.size
-        }
-
-        // 리사이클러뷰 아이템클릭 리스너
-        interface ItemClickListener {
-            fun onClick(view: View, position: Int)
-        }
-        fun setItemClickListener(itemClickListener:ItemClickListener) {
-            this.itemClickListner = itemClickListener
-        }
-
-        override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-
-            val friend = friend_addList.FriendaddList[position]
-
-            holder.friend_name.text = friend.name
-            holder.friend_Email.text = friend.email
-
-            // 리사이클러뷰 아이템클릭 리스너
-            holder.mRootView.setOnClickListener {
-                itemClickListner.onClick(it, position)
-            }
-
-
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/friend/Friend_main.kt b/app/src/main/java/com/example/myapplication/friend/Friend_main.kt
deleted file mode 100644
index efadc90..0000000
--- a/app/src/main/java/com/example/myapplication/friend/Friend_main.kt
+++ /dev/null
@@ -1,227 +0,0 @@
-package com.example.myapplication
-
-import android.content.Intent
-import android.os.Bundle
-import android.util.Log
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.ImageView
-import android.widget.TextView
-import android.widget.Toast
-import androidx.appcompat.app.AppCompatActivity
-import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
-import com.example.myapplication.friend.*
-import com.example.myapplication.todo.Todo_main
-import kotlinx.android.synthetic.main.friend_main.*
-
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-
-class Friend_main : AppCompatActivity() {
-    val api = APIS.create()
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.friend_main)
-
-        val friend_add_button: ImageView = findViewById<ImageView>(R.id.friend_add_button)
-
-        var userid : Long = 401
-
-        //친구 추가 버튼 누르면 추가화면으로 이동
-        friend_add_button.setOnClickListener {
-            val intent = Intent(this, Friend_add::class.java)
-            startActivity(intent)
-        }
-
-        //todo list 화면으로 이동
-        todolist_button.setOnClickListener{
-            startActivity(Intent(this, Todo_main::class.java))
-            finish()
-        }
-        //타이머 화면으로 이동
-        home_button.setOnClickListener{
-            startActivity(Intent(this, TimerActivity::class.java))
-            finish()
-        }
-
-
-        val friendListview: friendListView = friendListView()
-
-        // 리싸이클러뷰 어댑터 설정
-        val mAdapter= ViewAdapter(friendListview)
-        val manager = LinearLayoutManager(this)
-        manager.reverseLayout = false
-        manager.stackFromEnd = false
-        friend_list_recyclerView.layoutManager = manager
-
-        friend_list_recyclerView.adapter = mAdapter
-
-
-
-
-        mAdapter.setItemClickListener(object : ViewAdapter.ItemClickListener {
-
-            override fun onClick(view:View, position: Int) {
-
-                userid = friendListview.FriendListview[position].userId
-
-                // 선택한 친구 목록 삭제
-                (application as MasterApplication).api.delete_users(userid).enqueue(object : Callback<DeleteModel> {
-                    override fun onResponse(call: Call<DeleteModel>, response: Response<DeleteModel>) {
-                        Log.d("log", response.toString())
-
-                        if(response.body()!!.code == 200){
-                            Toast.makeText(this@Friend_main, "삭제되었습니다", Toast.LENGTH_LONG).show()
-
-                            // 리싸이클러뷰 어댑터 설정
-                            manager.reverseLayout = false
-                            manager.stackFromEnd = false
-                            friend_list_recyclerView.layoutManager = manager
-                            friend_list_recyclerView.adapter = mAdapter
-
-                        }
-                        else if(response.body()!!.code == 400){
-                            Toast.makeText(this@Friend_main, response.body()!!.message, Toast.LENGTH_LONG).show()
-                        }
-
-
-                    }
-                    override fun onFailure(call: Call<DeleteModel>, t: Throwable) {
-                        // 실패
-                        Log.d("log",t.message.toString())
-                        Log.d("log","fail")
-                    }
-                })
-
-            }
-        })
-
-
-        // 리사이클러뷰 설정
-        friend_list_recyclerView.adapter = mAdapter
-
-
-        // 친구 목록 데이터 받기
-        (application as MasterApplication).api.get2_users().enqueue(object : Callback<CheckGetModel2> {
-            override fun onResponse(call: Call<CheckGetModel2>, response: Response<CheckGetModel2>) {
-                Log.d("log", response.toString())
-
-                // 받은 유저정보 -닉네임, 달성률, 누적시간- 리사이클러뷰로 보이기
-                if(response.isSuccessful){
-                    for(i in response.body()!!.checkRoomList2.indices){
-                        userid = response.body()!!.checkRoomList2[i].userId
-                        val name= response.body()!!.checkRoomList2[i].username
-                        val achievementRate= response.body()!!.checkRoomList2[i].achievementRate
-                        val accumulatedTime= response.body()!!.checkRoomList2[i].accumulatedTime
-                        val studyStatus= response.body()!!.checkRoomList2[i].studyStatus
-
-                        Log.d("log", name)
-                        Log.d("log", achievementRate.toString())
-                        Log.d("log", accumulatedTime)
-
-
-                        // 리스트에 추가
-                        friendListview.viewFriend(
-                            friendview(
-                                userid,
-                                name,
-                                achievementRate,
-                                accumulatedTime,
-                                studyStatus
-                            )
-                        )
-
-
-                    }
-                }
-
-                // 리사이클러뷰 설정
-                friend_list_recyclerView.adapter = mAdapter
-            }
-            override fun onFailure(call: Call<CheckGetModel2>, t: Throwable) {
-                // 실패
-                Log.d("log",t.message.toString())
-                Log.d("log","fail")
-            }
-        })
-
-
-
-
-    }
-
-    fun onStart(savedInstanceState: Bundle?) {
-
-    }
-
-    class ViewAdapter(
-        val friend_List: friendListView
-    ) : RecyclerView.Adapter<ViewAdapter.ViewHolder>() {
-
-        private lateinit var itemClickListner: ItemClickListener
-
-        inner class ViewHolder(itemView: View) : RecyclerView.ViewHolder(itemView) {
-            val friend_name: TextView
-            val friend_achievement_rate: TextView
-            val friend_Cumulative_time: TextView
-            var friend_delete: ImageView
-            var logo_icon: ImageView
-
-            init {
-                friend_name = itemView.findViewById(R.id.friend_name)
-                friend_achievement_rate = itemView.findViewById(R.id.friend_achievement_rate)
-                friend_Cumulative_time = itemView.findViewById(R.id.friend_Cumulative_time)
-                friend_delete = itemView.findViewById(R.id.friend_delete)
-                logo_icon = itemView.findViewById(R.id.logo_icon)
-            }
-        }
-
-        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-            val view = LayoutInflater.from(parent.context).inflate(R.layout.friend_list_item, parent, false)
-            return ViewHolder(view)
-        }
-
-        override fun getItemCount(): Int {
-            return friend_List.FriendListview.size
-        }
-
-        // 리사이클러뷰 아이템클릭 리스너
-        interface ItemClickListener {
-            fun onClick(view: View, position: Int)
-        }
-        fun setItemClickListener(itemClickListener:ItemClickListener) {
-            this.itemClickListner = itemClickListener
-        }
-
-        override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-
-            val friend = friend_List.FriendListview[position]
-
-            holder.friend_name.text = friend.name
-            holder.friend_achievement_rate.text = friend.achievementRate.toString()
-            holder.friend_Cumulative_time.text = friend.accumulatedTime
-
-            // 공부중 상태 확인
-            if(friend.studyStatus){ //true - 공부중
-                holder.friend_Cumulative_time.visibility = View.INVISIBLE
-                holder.logo_icon.visibility = View.VISIBLE
-            }
-            else{ // false - 공부중 아님
-                holder.friend_Cumulative_time.visibility = View.VISIBLE
-                holder.logo_icon.visibility = View.INVISIBLE
-            }
-
-
-            // 리사이클러뷰 아이템클릭 리스너
-            holder.friend_delete.setOnClickListener {
-                itemClickListner.onClick(it, position)
-            }
-
-
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/friend/List.kt b/app/src/main/java/com/example/myapplication/friend/List.kt
deleted file mode 100644
index 8c249c7..0000000
--- a/app/src/main/java/com/example/myapplication/friend/List.kt
+++ /dev/null
@@ -1,12 +0,0 @@
-package com.example.myapplication.friend
-
-
-class list(var name: String, var rate: String, var time: String)
-
-class friendList {
-    val FriendList = ArrayList<list>()
-
-    fun addFriend(list: list) {
-        FriendList.add(list)
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/friend/addList.kt b/app/src/main/java/com/example/myapplication/friend/addList.kt
deleted file mode 100644
index 6f5f9b8..0000000
--- a/app/src/main/java/com/example/myapplication/friend/addList.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.example.myapplication.friend
-
-//친구 검색
-class addlist(val userId:Long, val name: String, val email: String){
-
-}
-class friendaddList() {
-    val FriendaddList = ArrayList<addlist>()
-
-    fun addFriend(addlist: addlist) {
-        FriendaddList.add(addlist)
-    }
-}
-
-//친구 목록 조회
-class friendview(val userId: Long, val name: String, val achievementRate:Double, val accumulatedTime: String, val studyStatus:Boolean){
-
-}
-class friendListView() {
-    val FriendListview = ArrayList<friendview>()
-
-    fun viewFriend(friendview: friendview) {
-        FriendListview.add(friendview)
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/timer/Timer.kt b/app/src/main/java/com/example/myapplication/timer/Timer.kt
deleted file mode 100644
index 1745dd5..0000000
--- a/app/src/main/java/com/example/myapplication/timer/Timer.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package com.example.myapplication
-
-import java.io.Serializable
-
-class Timer(
-    var time : String? = null
-):Serializable
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/timer/TimerActivity.kt b/app/src/main/java/com/example/myapplication/timer/TimerActivity.kt
deleted file mode 100644
index 1540805..0000000
--- a/app/src/main/java/com/example/myapplication/timer/TimerActivity.kt
+++ /dev/null
@@ -1,171 +0,0 @@
-package com.example.myapplication
-
-import android.content.Context
-import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import android.os.Handler
-import android.view.View
-import android.widget.Toast
-import android.widget.ImageView
-import com.example.myapplication.todo.Todo_main
-import kotlinx.android.synthetic.main.activity_timer.*
-import kotlinx.android.synthetic.main.activity_timer.logout
-import java.text.SimpleDateFormat
-import java.util.*
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-
-
-class TimerActivity : AppCompatActivity() {
-    // 핸들러사용
-    val handler = Handler()
-    var timeValue = 0
-    var count = 0
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_timer)
-
-        //todo list 화면으로 이동
-        todolist_button.setOnClickListener{
-            startActivity(Intent(this, Todo_main::class.java))
-            finish()
-        }
-        //친구 화면으로 이동
-        friend_button.setOnClickListener{
-            startActivity(Intent(this, Friend_main::class.java))
-            finish()
-        }
-
-        logout.setOnClickListener {
-            val sp = getSharedPreferences("login_sp", Context.MODE_PRIVATE)
-            val editor = sp.edit()
-            editor.putString("email", "null")
-            editor.putString("token", "null")
-            editor.commit()
-            (application as MasterApplication).createRetrofit()
-            finish()
-            startActivity(Intent(this, IntroActivity::class.java))
-        }
-
-        var now = System.currentTimeMillis()
-        var date = Date(now)
-        var format = SimpleDateFormat("yyyy.MM.dd")
-        var todayDate = format.format(date)
-        var strtime = "00:00:00"
-
-        today.text = todayDate
-        btn_stop.visibility = View.GONE
-
-        (application as MasterApplication).service.gettime().enqueue(object : Callback<Timer> {
-            override fun onResponse(call: Call<Timer>, response: Response<Timer>) {
-                val timer = response.body()
-                var time = "00:00:00"
-                if(timer != null) {
-                    time = timer.time.toString()
-                }
-                all_time.text = time
-            }
-
-            override fun onFailure(call: Call<Timer>, t: Throwable) {
-                Toast.makeText(this@TimerActivity, "서버 오류", Toast.LENGTH_SHORT).show()
-            }
-        })
-
-        //핸들러 - 1초마다 실행되게 함
-        val runnable = object : Runnable {
-            override fun run() {
-                timeValue ++
-                //TextView 업데이트 하기
-                timeToText(timeValue)?.let {
-                    time.text = it
-                }
-                handler.postDelayed(this, 1000)
-            }
-        }
-
-        btn_start.setOnClickListener {
-            it.visibility = View.GONE
-            btn_stop.visibility = View.VISIBLE
-            handler.post(runnable)
-
-            (application as MasterApplication).service.status("true").enqueue(object : Callback<Timer> {
-                override fun onResponse(call: Call<Timer>, response: Response<Timer>) {
-                    if (!response.isSuccessful) {
-                        Toast.makeText(this@TimerActivity, "상태 오류", Toast.LENGTH_SHORT).show()
-                    }
-                }
-
-                override fun onFailure(call: Call<Timer>, t: Throwable) {
-                    Toast.makeText(this@TimerActivity, "서버 오류", Toast.LENGTH_SHORT).show()
-                }
-            })
-        }
-
-        btn_stop.setOnClickListener {
-            it.visibility = View.GONE
-            btn_start.visibility = View.VISIBLE
-            count++
-            strtime = time.text.toString()
-            recordView.text = recordView.text.toString()+ count.toString()+"회차 - " + strtime + "\n"
-            time.text = ""
-            timeValue = 0
-            handler.removeCallbacks(runnable)
-            timeToText()?.let {
-                time.text = it
-            }
-
-            var timer = Timer(time=strtime)
-            (application as MasterApplication).service.timer(timer).enqueue(object : Callback<Timer> {
-                override fun onResponse(call: Call<Timer>, response: Response<Timer>) {
-                    if (response.isSuccessful) {
-                        Toast.makeText(this@TimerActivity, "저장되었습니다.", Toast.LENGTH_SHORT).show()
-                    } else {
-                        Toast.makeText(this@TimerActivity, "저장 오류", Toast.LENGTH_SHORT).show()
-                    }
-                }
-
-                override fun onFailure(call: Call<Timer>, t: Throwable) {
-                    Toast.makeText(this@TimerActivity, "서버 오류", Toast.LENGTH_SHORT).show()
-                }
-            })
-
-            (application as MasterApplication).service.status("false").enqueue(object : Callback<Timer> {
-                override fun onResponse(call: Call<Timer>, response: Response<Timer>) {
-                    if (!response.isSuccessful) {
-                        Toast.makeText(this@TimerActivity, "상태 오류", Toast.LENGTH_SHORT).show()
-                    }
-                }
-
-                override fun onFailure(call: Call<Timer>, t: Throwable) {
-                    Toast.makeText(this@TimerActivity, "서버 오류", Toast.LENGTH_SHORT).show()
-                }
-            })
-
-            (application as MasterApplication).service.gettime().enqueue(object : Callback<Timer> {
-                override fun onResponse(call: Call<Timer>, response: Response<Timer>) {
-                    val timer = response.body()
-                    val time = timer!!.time!!
-                    all_time.text = time
-                }
-
-                override fun onFailure(call: Call<Timer>, t: Throwable) {
-                    Toast.makeText(this@TimerActivity, "서버 오류", Toast.LENGTH_SHORT).show()
-                }
-            })
-        }
-    }
-
-    private fun timeToText(time: Int = 0) : String{
-        return if (time <= 0) {
-            "00:00:00"
-        } else {
-            val h = time / 3600
-            val m = time % 3600 / 60
-            val s = time % 60
-            "%1$02d:%2$02d:%3$02d".format(h, m, s)
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/todo/APIS_todo.kt b/app/src/main/java/com/example/myapplication/todo/APIS_todo.kt
deleted file mode 100644
index 2beaec4..0000000
--- a/app/src/main/java/com/example/myapplication/todo/APIS_todo.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package com.example.myapplication.todo
-
-import com.google.gson.Gson
-import com.google.gson.GsonBuilder
-import retrofit2.Call
-import retrofit2.Retrofit
-import retrofit2.converter.gson.GsonConverterFactory
-import retrofit2.http.*
-
-interface APIS_todo {
-
-    // todo리스트 조회
-    @GET("study")
-    fun get_todo(): Call<Check_Get_Todo>
-
-
-
-    // todo리스트 생성
-    @POST("study")
-    fun post_todo(
-        @Body todoClass: todo_class
-    ): Call<Post_Todo>
-
-    // todo리스트 수정
-    @PATCH("study/{studyId}")
-    fun patch_todo(@Path("studyId") studyId: Long): Call<Patch_Todo>
-
-    @PUT("/study/{studyId}")
-    fun put_todo(@Path("studyId") studyId: Long): Call<Put_Todo>
-
-    @DELETE("/study/{studyId}")
-    fun delete_todo(@Path("studyId") studyId: Long): Call<Delete_Todo>
-
-    companion object {
-        private const val Base_URL = "http://180.230.121.23/"
-
-        fun create(): APIS_todo {
-            val gson: Gson = GsonBuilder().setLenient().create();
-
-            return Retrofit.Builder()
-                .baseUrl(Base_URL)
-                .addConverterFactory(GsonConverterFactory.create(gson))
-                .build()
-                .create((APIS_todo::class.java))
-        }
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/todo/DataModels_todo.kt b/app/src/main/java/com/example/myapplication/todo/DataModels_todo.kt
deleted file mode 100644
index f97311e..0000000
--- a/app/src/main/java/com/example/myapplication/todo/DataModels_todo.kt
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.example.myapplication.todo
-
-import com.google.gson.annotations.SerializedName
-
-data class Get_Todo(
-    var studyId: Long,
-    var content: String,
-    var status: Boolean
-)
-
-class Check_Get_Todo(
-    @SerializedName("studyList")
-    val checkRoomList22: List<Get_Todo>
-)
-
-data class Post_Todo(
-    var studyId: Long,
-    var content: String,
-    var status: Boolean
-)
-
-data class Patch_Todo(
-    var studyId: Long,
-    var content: String
-)
-
-data class Put_Todo(
-    var studyId: Long,
-    var status: Boolean
-)
-
-data class Delete_Todo(
-    var studyId: Long,
-    var content: String,
-    var status: Boolean
-)
diff --git a/app/src/main/java/com/example/myapplication/todo/Plan.kt b/app/src/main/java/com/example/myapplication/todo/Plan.kt
deleted file mode 100644
index b75f896..0000000
--- a/app/src/main/java/com/example/myapplication/todo/Plan.kt
+++ /dev/null
@@ -1,25 +0,0 @@
-package com.example.myapplication.todo
-
-import java.io.Serializable
-
-class plan(var content: String, var status : Boolean = false) : Serializable{
-    override fun toString(): String {
-        return content
-    }
-}
-
-class planlist() {
-    val Planlist = ArrayList<plan>()
-
-    fun addPlan(plan: plan) {
-        Planlist.add(plan)
-    }
-
-    fun lastindex(): Int {
-        return Planlist.lastIndex
-    }
-}
-
-class todo_class(var content: String) : Serializable{
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/todo/PlanAdapter.kt b/app/src/main/java/com/example/myapplication/todo/PlanAdapter.kt
deleted file mode 100644
index b46ee07..0000000
--- a/app/src/main/java/com/example/myapplication/todo/PlanAdapter.kt
+++ /dev/null
@@ -1,56 +0,0 @@
-package com.example.myapplication.todo
-
-import android.util.Log
-import android.view.LayoutInflater
-import android.view.View
-import android.view.ViewGroup
-import android.widget.CheckBox
-import android.widget.TextView
-import androidx.recyclerview.widget.RecyclerView
-import com.example.myapplication.R
-
-class planAdapter(
-    val plan_list: planlist
-) : RecyclerView.Adapter<planAdapter.ViewHolder>() {
-
-    inner class ViewHolder(todo_view: View) : RecyclerView.ViewHolder(todo_view) {
-        val planContent: TextView
-        val todoIsDone: CheckBox
-
-        init {
-            planContent = todo_view.findViewById(R.id.plan_content)
-            todoIsDone = todo_view.findViewById(R.id.check_box)
-        }
-    }
-
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
-        val view = LayoutInflater.from(parent.context).inflate(R.layout.todo_view, parent, false)
-        return ViewHolder(view)
-    }
-
-    public override fun getItemCount(): Int {
-        val sum: Int = plan_list.Planlist.size
-        Log.d("sum", "" + sum)
-
-        return plan_list.Planlist.size
-    }
-
-    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-
-        val todo = plan_list.Planlist[position]
-
-        holder.planContent.text = todo.content
-
-        holder.todoIsDone.setOnCheckedChangeListener { buttonView, isChecked ->
-            if (isChecked) {
-                cnt++
-                Log.d("state", "" + cnt)
-
-            } else {
-                cnt--
-                Log.d("state--", "" + cnt)
-            }
-        }
-    }
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/todo/Todo_main.kt b/app/src/main/java/com/example/myapplication/todo/Todo_main.kt
deleted file mode 100644
index 2e7cb81..0000000
--- a/app/src/main/java/com/example/myapplication/todo/Todo_main.kt
+++ /dev/null
@@ -1,120 +0,0 @@
-package com.example.myapplication.todo
-
-import android.content.Intent
-import android.os.Bundle
-import android.util.Log
-import android.widget.EditText
-import androidx.appcompat.app.AlertDialog
-import androidx.appcompat.app.AppCompatActivity
-import androidx.recyclerview.widget.LinearLayoutManager
-import com.example.myapplication.Friend_main
-import com.example.myapplication.MasterApplication
-import com.example.myapplication.R
-import com.example.myapplication.TimerActivity
-import kotlinx.android.synthetic.main.activity_todo_main.*
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-import java.time.LocalDate
-
-var cnt: Int = 0
-//달성률을 위한 카운트
-
-class Todo_main : AppCompatActivity() {
-    val api_todo = APIS_todo.create()
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_todo_main)
-
-        val date: LocalDate = LocalDate.now()
-        val todaydate: String = date.toString()
-        today_date.setText(todaydate)
-
-
-        val planList: planlist = planlist()
-
-        val mAdapter = planAdapter(planList)
-        val manager = LinearLayoutManager(this)
-        manager.reverseLayout = false
-        manager.stackFromEnd = false
-        list_todo.layoutManager = manager
-
-        list_todo.adapter = mAdapter
-
-        //home 화면으로 이동
-        home_button.setOnClickListener{
-            startActivity(Intent(this, TimerActivity::class.java))
-            finish()
-        }
-
-        //친구 화면으로 이동
-        friend_button.setOnClickListener{
-            startActivity(Intent(this, Friend_main::class.java))
-            finish()
-        }
-
-        (application as MasterApplication).api_todo.get_todo().enqueue(object : retrofit2.Callback<Check_Get_Todo> {
-            override fun onResponse(
-                call: Call<Check_Get_Todo>,
-                response: Response<Check_Get_Todo>
-            ) {
-                Log.d("loggg", response.toString())
-
-
-                if (response.isSuccessful) {
-                    for (i in response.body()!!.checkRoomList22.indices) {
-                        val content = response.body()!!.checkRoomList22[i].content
-                        val status = response.body()!!.checkRoomList22[i].status
-                        Log.d("loggg", content)
-
-                        planList.addPlan(
-                            plan(
-                                content,
-                                status
-                            )
-                        )
-                    }
-                }
-                list_todo.adapter = mAdapter
-            }
-
-            override fun onFailure(call: Call<Check_Get_Todo>, t: Throwable) {
-                Log.d("loggg", t.message.toString())
-                Log.d("loggg", "get_fail")
-            }
-        })
-
-
-        add_button.setOnClickListener {
-            val builder = AlertDialog.Builder(this)
-            val dialogView = layoutInflater.inflate(R.layout.add_dialong_view, null)
-            val dialogtext = dialogView.findViewById<EditText>(R.id.edit_content)
-
-            builder.setView(dialogView)
-                .setPositiveButton("add") { dialogInterface, i ->
-                    val text = dialogtext.text.toString()
-                    planList.addPlan(plan(text))
-
-                    val params = todo_class(text)
-                    (application as MasterApplication).api_todo.post_todo(params).enqueue(object : Callback<Post_Todo> {
-                        override fun onResponse(call: Call<Post_Todo>, response: Response<Post_Todo>) {
-                            if (response.isSuccessful) {
-                                val planee = response.body()
-                                Log.d("loggg", "post" + planee?.content)
-                            }
-                        }
-
-                        override fun onFailure(call: Call<Post_Todo>, t: Throwable) {
-                            Log.d("loggg", t.message.toString())
-                            Log.d("loggg", "post_fail")
-                        }
-                    })
-                }
-                .setNegativeButton("cancel") { dialogInterface, i ->
-                }
-                .show()
-        }
-    }
-
-}
diff --git a/app/src/main/java/com/example/myapplication/user/IntroActivity.kt b/app/src/main/java/com/example/myapplication/user/IntroActivity.kt
deleted file mode 100644
index ee8f0aa..0000000
--- a/app/src/main/java/com/example/myapplication/user/IntroActivity.kt
+++ /dev/null
@@ -1,29 +0,0 @@
-package com.example.myapplication
-
-import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import android.os.Handler
-
-class IntroActivity : AppCompatActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_intro)
-
-        var handler = Handler()
-        if ((application as MasterApplication).checkIsLogin()) {
-            handler.postDelayed({
-                startActivity(Intent(this@IntroActivity, TimerActivity::class.java))
-            }, 1000)
-        } else {
-            handler.postDelayed({
-                startActivity(Intent(this@IntroActivity, LoginActivity::class.java))
-            }, 1000)
-        }
-    }
-
-    override fun onPause() {
-        super.onPause()
-        finish()
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/user/Login.kt b/app/src/main/java/com/example/myapplication/user/Login.kt
deleted file mode 100644
index 8fa83f3..0000000
--- a/app/src/main/java/com/example/myapplication/user/Login.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.example.myapplication.user
-
-import java.io.Serializable
-
-class Login(
-    var email : String? = null,
-    var password : String? = null
-):Serializable
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/user/LoginActivity.kt b/app/src/main/java/com/example/myapplication/user/LoginActivity.kt
deleted file mode 100644
index 695dae0..0000000
--- a/app/src/main/java/com/example/myapplication/user/LoginActivity.kt
+++ /dev/null
@@ -1,63 +0,0 @@
-package com.example.myapplication
-
-import android.app.Activity
-import android.content.Context
-import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import android.widget.Toast
-import com.example.myapplication.*
-import com.example.myapplication.user.Login
-import kotlinx.android.synthetic.main.activity_login.*
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-
-class LoginActivity : AppCompatActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        setContentView(R.layout.activity_login)
-        setupListener(this@LoginActivity)
-    }
-
-    fun setupListener(activity: Activity) {
-        signup.setOnClickListener { startActivity(Intent(activity, SignupActivity::class.java)) }
-
-        login.setOnClickListener {
-            val email = email_inputbox.text.toString()
-            val password = password_inputbox.text.toString()
-
-            var login = Login(email = email, password = password)
-            (application as MasterApplication).service.login(login).enqueue(object : Callback<User> {
-
-                override fun onResponse(call: Call<User>, response: Response<User>) {
-                    if (response.isSuccessful) {
-                        val user = response.body()
-                        val token = user!!.token!!
-                        saveUserToken(email, token, activity)
-                        (application as MasterApplication).createRetrofit()
-
-                        Toast.makeText(activity, "로그인 하셨습니다.", Toast.LENGTH_SHORT).show()
-                        startActivity(Intent(activity, TimerActivity::class.java))
-
-                    } else {
-                        Toast.makeText(activity, "가입하지 않은 아이디이거나, 잘못된 비밀번호입니다.", Toast.LENGTH_LONG).show()
-                    }
-                }
-
-                override fun onFailure(call: Call<User>, t: Throwable) {
-                    Toast.makeText(activity, "서버 오류", Toast.LENGTH_SHORT).show()
-                }
-            })
-        }
-    }
-
-    fun saveUserToken(email: String, token: String, activity: Activity) {
-        val sp = activity.getSharedPreferences("login_sp", Context.MODE_PRIVATE)
-        val editor = sp.edit()
-        editor.putString("email", email)
-        editor.putString("token", token)
-        editor.commit()
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/user/RetrofitService.kt b/app/src/main/java/com/example/myapplication/user/RetrofitService.kt
deleted file mode 100644
index 6a93065..0000000
--- a/app/src/main/java/com/example/myapplication/user/RetrofitService.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-package com.example.myapplication
-
-import com.example.myapplication.user.Login
-import com.example.myapplication.user.Signup
-import retrofit2.Call
-import retrofit2.http.*
-
-
-interface RetrofitService {
-
-    @POST("user/signup")
-    fun register(
-        @Body signup: Signup
-    ): Call<Signup>
-
-
-    @POST("user/signin")
-    fun login(
-        @Body login: Login
-    ): Call<User>
-
-    @POST("timer")
-    fun timer(
-        @Body timer: Timer
-    ): Call<Timer>
-
-    @PATCH("timer")
-    fun status(
-        @Query("status") status: String,
-    ): Call<Timer>
-
-    @GET("timer")
-    fun gettime(): Call<Timer>
-
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/user/Signup.kt b/app/src/main/java/com/example/myapplication/user/Signup.kt
deleted file mode 100644
index 2fae882..0000000
--- a/app/src/main/java/com/example/myapplication/user/Signup.kt
+++ /dev/null
@@ -1,9 +0,0 @@
-package com.example.myapplication.user
-
-import java.io.Serializable
-
-class Signup(
-    var email : String? = null,
-    var password : String? = null,
-    var username : String? = null
-):Serializable
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/user/SignupActivity.kt b/app/src/main/java/com/example/myapplication/user/SignupActivity.kt
deleted file mode 100644
index 49fe132..0000000
--- a/app/src/main/java/com/example/myapplication/user/SignupActivity.kt
+++ /dev/null
@@ -1,83 +0,0 @@
-package com.example.myapplication
-
-import android.app.Activity
-import android.content.Context
-import android.content.Intent
-import androidx.appcompat.app.AppCompatActivity
-import android.os.Bundle
-import android.widget.Toast
-import com.example.myapplication.user.Login
-import com.example.myapplication.user.Signup
-import kotlinx.android.synthetic.main.activity_signup.*
-import retrofit2.Call
-import retrofit2.Callback
-import retrofit2.Response
-
-class SignupActivity : AppCompatActivity() {
-
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-
-        setContentView(R.layout.activity_signup)
-        signup.setOnClickListener { register(this@SignupActivity) }
-        login.setOnClickListener { startActivity(Intent(this@SignupActivity, LoginActivity::class.java)) }
-    }
-
-    fun register(activity: Activity) {
-        val email = email_inputbox.text.toString()
-        val password1 = password1_inputbox.text.toString()
-        val password2 = password2_inputbox.text.toString()
-        val username = username_inputbox.text.toString()
-
-        var signup = Signup(email=email, password=password1, username=username)
-
-        if (password1 == password2) {
-            (application as MasterApplication).service.register(
-                signup
-            ).enqueue(object: Callback<Signup> {
-                override fun onResponse(call: Call<Signup>, response: Response<Signup>) {
-                    if (response.isSuccessful) {
-                        Toast.makeText(activity, "가입에 성공하였습니다.", Toast.LENGTH_LONG).show()
-
-                        // 로그인
-                        var login = Login(email = email, password = password1)
-                        (application as MasterApplication).service.login(login).enqueue(object : Callback<User> {
-
-                            override fun onResponse(call: Call<User>, response: Response<User>) {
-                                if (response.isSuccessful) {
-                                    val user = response.body()
-                                    val token = user!!.token!!
-                                    saveUserToken(email, token, activity)
-                                    (application as MasterApplication).createRetrofit()
-                                    Toast.makeText(activity, "로그인 하셨습니다.", Toast.LENGTH_SHORT).show()
-                                    startActivity(Intent(activity, TimerActivity::class.java))
-                                }
-                            }
-
-                            override fun onFailure(call: Call<User>, t: Throwable) {
-                                Toast.makeText(activity, "서버 오류", Toast.LENGTH_SHORT).show()
-                            }
-                        })
-
-                    } else {
-                        Toast.makeText(activity, "사용할 수 없는 이메일입니다.", Toast.LENGTH_LONG).show()
-                    }
-                }
-
-                override fun onFailure(call: Call<Signup>, t: Throwable) {
-                    Toast.makeText(activity, "서버 오류", Toast.LENGTH_SHORT).show()
-                }
-            })
-        } else {
-            Toast.makeText(activity, "비밀번호가 일치하지 않습니다.", Toast.LENGTH_LONG).show()
-        }
-    }
-
-    fun saveUserToken(email: String, token: String, activity: Activity) {
-        val sp = activity.getSharedPreferences("login_sp", Context.MODE_PRIVATE)
-        val editor = sp.edit()
-        editor.putString("email", email)
-        editor.putString("token", token)
-        editor.commit()
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/com/example/myapplication/user/User.kt b/app/src/main/java/com/example/myapplication/user/User.kt
deleted file mode 100644
index 5515cbd..0000000
--- a/app/src/main/java/com/example/myapplication/user/User.kt
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.example.myapplication
-
-import java.io.Serializable
-
-class User(
-    var username : String? = null,
-    var token : String? = null
-):Serializable
\ No newline at end of file
diff --git a/app/src/main/res/font/font.ttf b/app/src/main/res/font/font.ttf
deleted file mode 100644
index ca3cafd..0000000
Binary files a/app/src/main/res/font/font.ttf and /dev/null differ
diff --git a/app/src/main/res/layout/activity_intro.xml b/app/src/main/res/layout/activity_intro.xml
deleted file mode 100644
index 310a4f7..0000000
--- a/app/src/main/res/layout/activity_intro.xml
+++ /dev/null
@@ -1,25 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:background="#ffffff"
-    android:orientation="horizontal"
-    tools:context=".IntroActivity">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:orientation="vertical">
-
-        <ImageView
-            android:layout_width="200dp"
-            android:layout_height="200dp"
-            android:layout_gravity="center"
-            android:src="@drawable/icon" />
-
-    </LinearLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_login.xml b/app/src/main/res/layout/activity_login.xml
deleted file mode 100644
index 9411919..0000000
--- a/app/src/main/res/layout/activity_login.xml
+++ /dev/null
@@ -1,115 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:background="#ffffff"
-    android:orientation="vertical"
-    tools:context=".LoginActivity">
-
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="140dp"
-        android:gravity="center"
-        android:text="To Do List"
-        android:fontFamily="@font/font"
-        android:textColor="#000000"
-        android:textSize="60dp" />
-
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:orientation="vertical"
-        android:padding="55dp">
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="이메일"
-            android:fontFamily="@font/font"
-            android:layout_marginBottom="5dp"
-            android:textColor="#000000"
-            android:textSize="16dp"
-            android:textStyle="bold"/>
-
-        <EditText
-            android:id="@+id/email_inputbox"
-            android:layout_width="match_parent"
-            android:layout_height="45dp"
-            android:layout_gravity="center"
-            android:layout_marginBottom="10dp"
-            android:gravity="center"
-            android:hint="이메일를 입력해 주세요."
-            android:background="@drawable/edittext_rounded_corner_rectangle" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="비밀번호"
-            android:fontFamily="@font/font"
-            android:textSize="16dp"
-            android:layout_marginBottom="5dp"
-            android:textColor="#000000"
-            android:textStyle="bold"/>
-
-        <EditText
-            android:id="@+id/password_inputbox"
-            android:layout_width="match_parent"
-            android:layout_height="45dp"
-            android:layout_gravity="center"
-            android:layout_marginBottom="10dp"
-            android:gravity="center"
-            android:inputType="textPassword"
-            android:hint="비밀번호를 입력해 주세요."
-            android:background="@drawable/edittext_rounded_corner_rectangle" />
-
-        <TextView
-            android:id="@+id/login"
-            android:layout_width="300dp"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:background="@drawable/rounded_button"
-            android:textColor="#ffffff"
-            android:gravity="center"
-            android:layout_marginTop="30dp"
-            android:paddingTop="16dp"
-            android:paddingRight="32dp"
-            android:paddingLeft="32dp"
-            android:paddingBottom="16dp"
-            android:text="로그인"
-            android:fontFamily="@font/font"
-            android:textSize="18dp"
-            android:textStyle="bold" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center">
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:textColor="#000000"
-            android:textSize="15dp"
-            android:fontFamily="@font/font"
-            android:text="계정이 없으신가요?" />
-
-        <TextView
-            android:id="@+id/signup"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="10dp"
-            android:textStyle="bold"
-            android:textColor="#0094f6"
-            android:textSize="15dp"
-            android:fontFamily="@font/font"
-            android:text="가입하기" />
-    </LinearLayout>
-
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_signup.xml b/app/src/main/res/layout/activity_signup.xml
deleted file mode 100644
index 43ac053..0000000
--- a/app/src/main/res/layout/activity_signup.xml
+++ /dev/null
@@ -1,155 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:background="#ffffff"
-    android:orientation="vertical"
-    tools:context=".SignupActivity">
-
-    <TextView
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="60dp"
-        android:gravity="center"
-        android:text="To Do List"
-        android:fontFamily="@font/font"
-        android:textColor="#000000"
-        android:textSize="60dp" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:orientation="vertical"
-        android:padding="55dp">
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="이메일"
-            android:fontFamily="@font/font"
-            android:layout_marginBottom="5dp"
-            android:textColor="#000000"
-            android:textSize="16dp"
-            android:textStyle="bold"/>
-
-        <EditText
-            android:id="@+id/email_inputbox"
-            android:layout_width="match_parent"
-            android:layout_height="40dp"
-            android:layout_gravity="center"
-            android:layout_marginBottom="15dp"
-            android:gravity="center"
-            android:hint="이메일를 입력해 주세요."
-            android:background="@drawable/edittext_rounded_corner_rectangle" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="비밀번호"
-            android:fontFamily="@font/font"
-            android:textSize="16dp"
-            android:layout_marginBottom="5dp"
-            android:textColor="#000000"
-            android:textStyle="bold"/>
-
-        <EditText
-            android:id="@+id/password1_inputbox"
-            android:layout_width="match_parent"
-            android:layout_height="40dp"
-            android:layout_gravity="center"
-            android:layout_marginBottom="15dp"
-            android:gravity="center"
-            android:inputType="textPassword"
-            android:hint="비밀번호를 입력해 주세요."
-            android:background="@drawable/edittext_rounded_corner_rectangle" />
-
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="비밀번호 확인"
-            android:fontFamily="@font/font"
-            android:textSize="16dp"
-            android:layout_marginBottom="5dp"
-            android:textColor="#000000"
-            android:textStyle="bold"/>
-
-
-        <EditText
-            android:id="@+id/password2_inputbox"
-            android:layout_width="match_parent"
-            android:layout_height="40dp"
-            android:layout_gravity="center"
-            android:gravity="center"
-            android:layout_marginBottom="15dp"
-            android:inputType="textPassword"
-            android:hint="비밀번호를 다시 입력해 주세요."
-            android:background="@drawable/edittext_rounded_corner_rectangle" />
-
-        <TextView
-            android:id="@+id/username_inputbox"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="이름"
-            android:fontFamily="@font/font"
-            android:textSize="16dp"
-            android:layout_marginBottom="5dp"
-            android:textColor="#000000"
-            android:textStyle="bold"/>
-
-        <EditText
-            android:id="@+id/name_inputbox"
-            android:layout_width="match_parent"
-            android:layout_height="40dp"
-            android:layout_gravity="center"
-            android:layout_marginBottom="10dp"
-            android:gravity="center"
-            android:hint="이름을 입력해 주세요."
-            android:background="@drawable/edittext_rounded_corner_rectangle" />
-
-        <TextView
-            android:id="@+id/signup"
-            android:layout_width="300dp"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:background="@drawable/rounded_button"
-            android:textColor="#ffffff"
-            android:layout_marginTop="20dp"
-            android:paddingLeft="32dp"
-            android:gravity="center"
-            android:paddingTop="16dp"
-            android:paddingRight="32dp"
-            android:paddingBottom="16dp"
-            android:fontFamily="@font/font"
-            android:text="가입하기"
-            android:textSize="18dp"
-            android:textStyle="bold" />
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center">
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:textColor="#000000"
-            android:textSize="15dp"
-            android:fontFamily="@font/font"
-            android:text="계정이 있으신가요?" />
-
-        <TextView
-            android:id="@+id/login"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="10dp"
-            android:textStyle="bold"
-            android:textColor="#0094f6"
-            android:textSize="15dp"
-            android:fontFamily="@font/font"
-            android:text="로그인" />
-    </LinearLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_timer.xml b/app/src/main/res/layout/activity_timer.xml
deleted file mode 100644
index b92cdfa..0000000
--- a/app/src/main/res/layout/activity_timer.xml
+++ /dev/null
@@ -1,197 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    tools:context=".TimerActivity">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="355dp"
-        android:background="#000000"
-        android:orientation="vertical">
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <LinearLayout
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:padding="10dp"
-                android:layout_weight="1"
-                android:orientation="vertical">
-                <TextView
-                    android:id="@+id/logout"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:background="@drawable/rounded_button"
-                    android:textColor="#ffffff"
-                    android:text="로그아웃"
-                    android:fontFamily="@font/font"
-                    android:layout_marginTop="10dp"
-                    android:layout_marginLeft="10dp"
-                    android:textSize="20dp"
-                    android:textStyle="bold" />
-            </LinearLayout>
-
-
-            <LinearLayout
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:padding="10dp"
-                android:orientation="vertical">
-
-                <TextView
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center"
-                    android:text="오늘의 누적 공부량"
-                    android:fontFamily="@font/font"
-                    android:textSize="15dp"
-                    android:textColor="#ffffff" />
-
-                <TextView
-                    android:id="@+id/all_time"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center"
-                    android:textSize="25dp"
-                    android:textStyle="bold"
-                    android:text="00:00:00"
-                    android:fontFamily="@font/font"
-                    android:textColor="#ffffff" />
-            </LinearLayout>
-        </LinearLayout>
-
-        <LinearLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:padding="50dp"
-            android:layout_gravity="center">
-
-            <TextView
-                android:id="@+id/today"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_gravity="center"
-                android:textSize="25dp"
-                android:text="0000.00.00"
-                android:fontFamily="@font/font"
-                android:textColor="#ffffff" />
-
-            <TextView
-                android:id="@+id/time"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_gravity="center"
-                android:textSize="50dp"
-                android:textStyle="bold"
-                android:text="00:00:00"
-                android:fontFamily="@font/font"
-                android:textColor="#ffffff" />
-
-            <RelativeLayout
-                android:layout_width="80dp"
-                android:layout_height="80dp"
-                android:layout_gravity="center">
-
-                <ImageView
-                    android:id="@+id/btn_start"
-                    android:layout_width="80dp"
-                    android:layout_height="80dp"
-                    android:src="@drawable/start" />
-
-                <ImageView
-                    android:id="@+id/btn_stop"
-                    android:layout_width="80dp"
-                    android:layout_height="80dp"
-                    android:src="@drawable/stop" />
-            </RelativeLayout>
-        </LinearLayout>
-    </LinearLayout>
-
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_marginLeft="15dp"
-        android:layout_marginTop="10dp"
-        android:layout_marginBottom="10dp"
-        android:text="기록"
-        android:fontFamily="@font/font"
-        android:textColor="@color/myBlack"
-        android:textSize="22dp" />
-
-    <View
-        android:layout_width="match_parent"
-        android:layout_height="3dp"
-        android:layout_marginLeft="15dp"
-        android:layout_marginRight="15dp"
-        android:layout_marginTop="5dp"
-        android:background="#000000">
-    </View>
-
-
-    <ScrollView
-        android:layout_weight="4"
-        android:layout_width="match_parent"
-        android:layout_height="0dp">
-        <TextView
-            android:id="@+id/recordView"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="15dp"
-            android:layout_marginTop="15dp"
-            android:text=""
-            android:fontFamily="@font/font"
-            android:textColor="@color/myBlack"
-            android:textSize="22dp" />
-    </ScrollView>
-
-    <LinearLayout
-        android:layout_weight="1"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:background="#cfcfcf"
-        android:orientation="horizontal">
-
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/todolist_button"
-                android:background="@drawable/todo_icon" />
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/home_button"
-                android:background="@drawable/free_icon_house_2739301" />
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/friend_button"
-                android:background="@drawable/free_icon_people_2427463" />
-        </LinearLayout>
-    </LinearLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_todo_main.xml b/app/src/main/res/layout/activity_todo_main.xml
deleted file mode 100644
index f188d6c..0000000
--- a/app/src/main/res/layout/activity_todo_main.xml
+++ /dev/null
@@ -1,111 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout 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"
-    android:orientation="vertical"
-    tools:context=".todo.Todo_main">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="80dp"
-        android:background="@color/black"
-        android:orientation="horizontal">
-
-        <TextView
-            android:id="@+id/today_date"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="오늘 날짜"
-            android:textSize="25dp"
-            android:textStyle="bold"
-            android:textColor="#ffffff"
-            android:layout_marginLeft="20dp"
-            android:layout_gravity="center"/>
-
-        <Button
-            android:id="@+id/add_button"
-            android:layout_width="60dp"
-            android:layout_height="match_parent"
-            android:backgroundTint="@color/black"
-            android:text="+"
-            android:layout_marginLeft="190dp"
-            android:textSize="45dp"
-            android:layout_gravity="center"/>
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="40dp">
-
-        <TextView
-            android:id="@+id/percent_achievement"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:text="%"
-            android:textStyle="bold"
-            android:textSize="20dp"
-            android:layout_gravity="center"
-            android:gravity="center"/>
-
-    </LinearLayout>
-
-
-    <ScrollView
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="8"
-        android:fillViewport="true">
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/list_todo"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"></androidx.recyclerview.widget.RecyclerView>
-
-    </ScrollView>
-
-    <LinearLayout
-        android:layout_weight="1"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:background="#cfcfcf"
-        android:orientation="horizontal">
-
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/todolist_button"
-                android:background="@drawable/todo_icon" />
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/home_button"
-                android:background="@drawable/free_icon_house_2739301" />
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/friend_button"
-                android:background="@drawable/free_icon_people_2427463" />
-        </LinearLayout>
-    </LinearLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/add_dialong_view.xml b/app/src/main/res/layout/add_dialong_view.xml
deleted file mode 100644
index f64d987..0000000
--- a/app/src/main/res/layout/add_dialong_view.xml
+++ /dev/null
@@ -1,17 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <EditText
-        android:id="@+id/edit_content"
-        android:layout_width="match_parent"
-        android:layout_height="80dp"
-        android:layout_marginTop="50dp"
-        android:hint="해야할 일을 입력하세요."
-        android:textStyle="bold"
-        android:textColor="@color/black"
-        android:gravity="center" />
-
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/friend_add.xml b/app/src/main/res/layout/friend_add.xml
deleted file mode 100644
index 461c01d..0000000
--- a/app/src/main/res/layout/friend_add.xml
+++ /dev/null
@@ -1,116 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:layout_marginTop="70dp"
-        android:orientation="horizontal">
-
-        <ImageView
-            android:id="@+id/back_button"
-            android:layout_width="40dp"
-            android:layout_height="40dp"
-            android:layout_marginLeft="10dp"
-            android:src="@drawable/free_icon_left_arrow_in_circular_button_black_symbol_54476" />
-
-
-        <EditText
-            android:id="@+id/friend_search_input"
-            android:layout_width="230dp"
-            android:hint="추가할 닉네임을 입력하세요"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="20dp" />
-
-        <Button
-            android:id="@+id/friend_search_button"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_marginLeft="10dp"
-            android:layout_marginRight="10dp"
-            android:backgroundTint="@color/black"
-            android:text="검색" />
-
-
-    </LinearLayout>
-
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:orientation="horizontal"
-        android:layout_marginTop="10dp"
-        android:layout_height="wrap_content">
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_marginLeft="70dp"
-            android:layout_height="wrap_content"
-            android:text="닉네임"/>
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_marginLeft="60dp"
-            android:layout_height="wrap_content"
-            android:text="이메일"/>
-    </LinearLayout>
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/gray" />
-
-
-    <ScrollView
-        android:layout_width="match_parent"
-        android:layout_height="450dp"
-        android:layout_marginLeft="30dp"
-        android:layout_marginRight="30dp"
-        android:fillViewport="true">
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/friend_add_recyclerView"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"/>
-
-    </ScrollView>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/gray" />
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_marginTop="10dp"
-        android:layout_height="wrap_content"
-        android:gravity="center"
-        android:orientation="horizontal">
-        <TextView
-            android:id="@+id/checked_user_name"
-            android:layout_width="wrap_content"
-            android:layout_height="30dp"
-            android:text="선택한 유저 이름"
-            android:gravity="center"/>
-        <TextView
-            android:id="@+id/checked_user_email"
-            android:layout_width="wrap_content"
-            android:layout_marginLeft="20dp"
-            android:layout_height="30dp"
-            android:text="선택한 유저 이메일"
-            android:gravity="center"/>
-    </LinearLayout>
-
-
-
-    <Button
-        android:id="@+id/friend_add_button"
-        android:layout_width="170dp"
-        android:layout_height="wrap_content"
-        android:layout_gravity="center"
-        android:backgroundTint="@color/black"
-        android:layout_marginTop="10dp"
-        android:text="@string/add_button"
-        android:textStyle="bold" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/friend_add_list_item.xml b/app/src/main/res/layout/friend_add_list_item.xml
deleted file mode 100644
index 3080b7e..0000000
--- a/app/src/main/res/layout/friend_add_list_item.xml
+++ /dev/null
@@ -1,45 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical">
-
-    <LinearLayout
-        android:id="@+id/mRootView"
-        android:background="?attr/selectableItemBackground"
-        android:layout_width="match_parent"
-        android:clickable="true"
-        android:focusable="true"
-        android:layout_height="70dp"
-        android:orientation="horizontal">
-
-        <TextView
-            android:id="@+id/friend_name_item"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:layout_marginLeft="50dp"
-            android:layout_marginRight="50dp"
-            android:gravity="center"
-            android:text="일봉이"
-            android:textColor="@color/black"
-            android:textSize="@dimen/friend_add_list_size"
-            android:textStyle="bold" />
-
-
-        <TextView
-            android:id="@+id/friend_Email_item"
-            android:layout_width="wrap_content"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:text="(email)"
-            android:textColor="@color/black"
-            android:textSize="@dimen/friend_add_list_size2" />
-    </LinearLayout>
-
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/gray" />
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/friend_list_item.xml b/app/src/main/res/layout/friend_list_item.xml
deleted file mode 100644
index 0d86f29..0000000
--- a/app/src/main/res/layout/friend_list_item.xml
+++ /dev/null
@@ -1,69 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical">
-
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:background="?attr/selectableItemBackground"
-        android:layout_height="70dp"
-        android:orientation="horizontal">
-
-        <ImageView
-            android:id="@+id/friend_delete"
-            android:layout_width="30dp"
-            android:layout_height="30dp"
-            android:layout_gravity="center"
-            android:layout_marginLeft="5dp"
-            android:src="@drawable/free_icon_delete_bin_72396"
-            tools:ignore="MissingConstraints" />
-
-        <TextView
-            android:id="@+id/friend_name"
-            android:layout_width="90dp"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:layout_marginLeft="30dp"
-            android:text="일봉이"
-            android:textColor="@color/black"
-            android:textSize="@dimen/friend_add_list_size"
-            android:textStyle="bold" />
-
-        <TextView
-            android:id="@+id/friend_achievement_rate"
-            android:layout_width="100dp"
-            android:layout_height="wrap_content"
-            android:layout_gravity="center"
-            android:text="(달성률)"
-            android:textColor="@color/black"
-            android:textSize="@dimen/friend_add_list_size2" />
-
-        <TextView
-            android:id="@+id/friend_Cumulative_time"
-            android:layout_width="wrap_content"
-            android:layout_height="21dp"
-            android:layout_gravity="center"
-            android:text="(누적시간)"
-            android:textColor="@color/black"
-            android:textSize="@dimen/friend_add_list_size2" />
-
-        <ImageView
-            android:id="@+id/logo_icon"
-            android:layout_width="25dp"
-            android:layout_gravity="center"
-            android:layout_marginLeft="10dp"
-            android:layout_height="25dp"
-            android:src="@drawable/icon" />
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/gray" />
-
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/friend_main.xml b/app/src/main/res/layout/friend_main.xml
deleted file mode 100644
index b9502e4..0000000
--- a/app/src/main/res/layout/friend_main.xml
+++ /dev/null
@@ -1,103 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:orientation="vertical">
-
-    <!-- 친구추가 메인 화면 -->
-
-
-    <ImageView
-        android:id="@+id/friend_add_button"
-        android:layout_width="45dp"
-        android:layout_height="45dp"
-        android:layout_gravity="right"
-        android:layout_marginTop="70dp"
-        android:layout_marginRight="30dp"
-        android:src="@drawable/free_icon_plus_circular_sign_20362" />
-
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:orientation="horizontal"
-        android:layout_marginTop="10dp"
-        android:layout_height="wrap_content">
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_marginLeft="80dp"
-            android:layout_height="wrap_content"
-            android:text="닉네임"/>
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_marginLeft="50dp"
-            android:layout_height="wrap_content"
-            android:text="달성률"/>
-        <TextView
-            android:layout_width="wrap_content"
-            android:layout_marginLeft="60dp"
-            android:layout_height="wrap_content"
-            android:text="누적시간"/>
-    </LinearLayout>
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="1dp"
-        android:background="@color/gray" />
-
-    <ScrollView
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="8"
-        android:layout_marginLeft="20dp"
-        android:layout_marginRight="20dp"
-        android:fillViewport="true">
-
-        <androidx.recyclerview.widget.RecyclerView
-            android:id="@+id/friend_list_recyclerView"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"/>
-
-    </ScrollView>
-
-    <LinearLayout
-        android:layout_weight="1"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:background="#cfcfcf"
-        android:orientation="horizontal">
-
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/todolist_button"
-                android:background="@drawable/todo_icon" />
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/home_button"
-                android:background="@drawable/free_icon_house_2739301" />
-        </LinearLayout>
-        <LinearLayout
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:gravity="center"
-            android:layout_weight="1">
-            <TextView
-                android:layout_width="50dp"
-                android:layout_height="50dp"
-                android:id="@+id/friend_button"
-                android:background="@drawable/free_icon_people_2427463" />
-        </LinearLayout>
-    </LinearLayout>
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/todo_view.xml b/app/src/main/res/layout/todo_view.xml
deleted file mode 100644
index 9ee72a8..0000000
--- a/app/src/main/res/layout/todo_view.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical">
-    
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:orientation="horizontal">
-
-        <CheckBox
-            android:id="@+id/check_box"
-            android:layout_marginLeft="15dp"
-            android:layout_width="70dp"
-            android:layout_height="70dp"/>
-
-        <TextView
-            android:id="@+id/plan_content"
-            android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:text="오늘 할 일 입력"
-            android:textSize="25dp"
-            android:gravity="center"
-            android:layout_gravity="center"/>
-
-    </LinearLayout>
-
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
deleted file mode 100644
index b987842..0000000
--- a/app/src/main/res/values/colors.xml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
-    <color name="purple_200">#FFBB86FC</color>
-    <color name="purple_500">#FF6200EE</color>
-    <color name="purple_700">#FF3700B3</color>
-    <color name="teal_200">#FF03DAC5</color>
-    <color name="teal_700">#FF018786</color>
-    <color name="gray">#D3D3D3</color>
-    <color name="black">#FF000000</color>
-    <color name="white">#FFFFFFFF</color>
-    <color name="myBlack">#000000</color>
-    <color name="color_88000000">#88000000</color>
-</resources>
\ No newline at end of file