From 3b598ddcb50cb4a4b69453c22e3cca311ae38b2c Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 11:21:57 +0900
Subject: [PATCH 01/31] =?UTF-8?q?Docs[README.md]:=20=EC=83=9D=EC=84=B1=20?=
 =?UTF-8?q?=EB=A6=AC=EB=93=9C=EB=AF=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index df2a6477..585b9b2f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,12 @@
 # android-map-keyword
+# 1단계
+
+## 기능 요구 사항
+- 카카오맵 클론 코딩을 위한 시작입니다.
+- 검색어 입력 및 검색 결과를 표시할 기본 레이아웃을 구현한다.
+- 검색에 사용될 데이터를 로컬 데이터베이스에 생성한다.
+
+## 프로그래밍 요구 사항
+- 검색 데이터는 저장은 SQLite를 사용한다.
+- 가능한 MVVM 아키텍처 패턴을 적용하도록 한다.
+- 코드 컨벤션을 준수하며 프로그래밍한다.

From 2c41560c3d3d9105440bae97a3c43008fec87f24 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 11:53:27 +0900
Subject: [PATCH 02/31] =?UTF-8?q?Design:=20=EC=83=9D=EC=84=B1=20=EA=B2=80?=
 =?UTF-8?q?=EC=83=89=20=ED=99=94=EB=A9=B4=20UI?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/res/drawable/x.png           | Bin 0 -> 3272 bytes
 app/src/main/res/layout/activity_main.xml |  27 +++++++++++++++++++++-
 app/src/main/res/values/strings.xml       |   2 ++
 3 files changed, 28 insertions(+), 1 deletion(-)
 create mode 100644 app/src/main/res/drawable/x.png

diff --git a/app/src/main/res/drawable/x.png b/app/src/main/res/drawable/x.png
new file mode 100644
index 0000000000000000000000000000000000000000..15dcc1b30d4600ed72662dd5ce653f5f499fdea1
GIT binary patch
literal 3272
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zuC!aK(5!@3UMeCFc_Rr6f(n=j3sM1xhsZmDk`NM-naxZ+J@(jh_Uy`^JLlxwFW>#$
z-|yaU?)}cB`upxOH(O-}0D!soZqEP!0F6r!Ff}on#=Lj#8jXqY1MfgnQ`6o-zX9Xl
z*9E&ngaBX>M*JuR%=}2>=38-I!EtPUcwBr~?8iWSe7sX+^l{<gFu})8{MZPQ!hID0
zQ1<%!1bX2(Zp8opS&|drr)-Hg5=F-a__6^CX!07g-1K#-#UCu+v|jnv8pc|ixBs-x
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zrawWOy#c3~5lOUb`NlgEq8{ylMFcIY4C9b>d_Rx=NS;F-+;oMh@%UsU`;GqTf$!?=
zn9Rq`C5y~);jzS^&z-jPDs!`#)so!f&QG-0N+0?9M9Qc0d_!wZM%vC#ALw12m{xA8
zuc`7w6qWoK_2zW;O~qd|eQhGHzN+-h_|r<8H8a&WOHFJ}pZd8&cR!6=x7Bs(9A*+7
W(6f^&lH?Fy(B59Yo<$$<lK&0<Kik{@

literal 0
HcmV?d00001

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 24d17df2..dcaefe47 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -7,10 +7,35 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
+
+
+    <EditText
+        android:id="@+id/search"
+        android:layout_width="match_parent"
+        android:layout_height="50dp"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_marginEnd="10dp"
+        android:layout_marginStart="10dp"
+        android:hint="@string/search_hint"
+        android:layout_marginTop="10dp"/>
+    <TextView
+        android:id="@+id/search_clear"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:background="@drawable/x"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginEnd="15dp"
+        app:layout_constraintBottom_toBottomOf="@+id/search"
+        android:layout_marginBottom="15dp"/>
+
+
+
     <TextView
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        android:text="@string/no_search_result"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index e5ba5b9c..290224da 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,3 +1,5 @@
 <resources>
     <string name="app_name">Map</string>
+    <string name="search_hint">검색어를 입력해 주세요.</string>
+    <string name="no_search_result">검색 결과가 없습니다.</string>
 </resources>
\ No newline at end of file

From 4f9066a96749365402a6cfa23f8112d127b87f87 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 14:43:24 +0900
Subject: [PATCH 03/31] =?UTF-8?q?Feat:=20=EC=83=9D=EC=84=B1=20=EB=8D=B0?=
 =?UTF-8?q?=EC=9D=B4=ED=84=B0=EB=B2=A0=EC=9D=B4=EC=8A=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../campus/tech/kakao/map/MainActivity.kt     | 32 +++++++++++++++++++
 .../campus/tech/kakao/map/PlaceContract.kt    | 10 ++++++
 .../campus/tech/kakao/map/PlaceDbHelper.kt    | 21 ++++++++++++
 3 files changed, 63 insertions(+)
 create mode 100644 app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
 create mode 100644 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index 95b43803..c17e4001 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -1,11 +1,43 @@
 package campus.tech.kakao.map
 
+import android.content.ContentValues
 import android.os.Bundle
+import android.util.Log
 import androidx.appcompat.app.AppCompatActivity
 
 class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+
+        val db = PlaceDbHelper(this)
+        val writableDatabase = db.writableDatabase
+        val values = ContentValues()
+        values.put(PlaceContract.COLUMN_NAME_NAME, "카페1")
+        values.put(PlaceContract.COLUMN_NAME_ADDRESS, "서울시 강남구")
+
+        writableDatabase.insert(PlaceContract.TABLE_NAME, null, values)
+
+        val readableDatabase = db.readableDatabase
+        var searchResult = "%카페%"
+        val cursor = readableDatabase.query(
+            PlaceContract.TABLE_NAME,
+            arrayOf(PlaceContract.COLUMN_NAME_NAME),
+            "${PlaceContract.COLUMN_NAME_NAME} like ?",
+            arrayOf(searchResult),
+            null,
+            null,
+            "${PlaceContract.COLUMN_NAME_NAME} DESC"
+        )
+
+        val result = mutableListOf<String>()
+        while (cursor.moveToNext()) {
+            result.add(
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(PlaceContract.COLUMN_NAME_NAME)
+                )
+            )
+        }
+        cursor.close()
     }
 }
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt b/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
new file mode 100644
index 00000000..e8d1aff1
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
@@ -0,0 +1,10 @@
+package campus.tech.kakao.map
+
+import android.provider.BaseColumns
+
+object PlaceContract:BaseColumns {
+	const val TABLE_NAME = "place"
+	const val COLUMN_NAME_NAME = "name"
+	const val COLUMN_NAME_ADDRESS = "address"
+	const val COLUMN_NAME_TYPE = "type"
+}
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
new file mode 100644
index 00000000..f9eacb1c
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -0,0 +1,21 @@
+package campus.tech.kakao.map
+
+import android.content.Context
+import android.database.sqlite.SQLiteDatabase
+import android.database.sqlite.SQLiteOpenHelper
+
+class PlaceDbHelper(context: Context):SQLiteOpenHelper(
+	context, "place.db", null, 1) {
+	override fun onCreate(db: SQLiteDatabase?) {
+		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
+				"(id INTEGER PRIMARY KEY, " +
+				"${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
+				"${PlaceContract.COLUMN_NAME_ADDRESS} TEXT, " +
+				"${PlaceContract.COLUMN_NAME_TYPE} TEXT)")
+	}
+
+	override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
+		db?.execSQL("DROP TABLE IF EXISTS ${PlaceContract.TABLE_NAME}")
+		onCreate(db)
+	}
+}
\ No newline at end of file

From 96926be6d7d609ba3b54afa73666376c5f9a9362 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 17:41:31 +0900
Subject: [PATCH 04/31] =?UTF-8?q?Feat:=20=EC=83=9D=EC=84=B1=20addPlace?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

장소 추가 함수
---
 app/src/main/java/campus/tech/kakao/map/Place.kt   |  3 +++
 .../java/campus/tech/kakao/map/PlaceDbHelper.kt    | 14 ++++++++++++--
 2 files changed, 15 insertions(+), 2 deletions(-)
 create mode 100644 app/src/main/java/campus/tech/kakao/map/Place.kt

diff --git a/app/src/main/java/campus/tech/kakao/map/Place.kt b/app/src/main/java/campus/tech/kakao/map/Place.kt
new file mode 100644
index 00000000..904256a6
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/Place.kt
@@ -0,0 +1,3 @@
+package campus.tech.kakao.map
+
+data class Place(val name: String, val address: String, val type: String)
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index f9eacb1c..1f4544ae 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -1,5 +1,6 @@
 package campus.tech.kakao.map
 
+import android.content.ContentValues
 import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
@@ -8,8 +9,7 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 	context, "place.db", null, 1) {
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
-				"(id INTEGER PRIMARY KEY, " +
-				"${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
+				"(${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
 				"${PlaceContract.COLUMN_NAME_ADDRESS} TEXT, " +
 				"${PlaceContract.COLUMN_NAME_TYPE} TEXT)")
 	}
@@ -18,4 +18,14 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		db?.execSQL("DROP TABLE IF EXISTS ${PlaceContract.TABLE_NAME}")
 		onCreate(db)
 	}
+
+	fun addPlace(place: Place) {
+		val db = writableDatabase
+		val values = ContentValues()
+		values.put(PlaceContract.COLUMN_NAME_NAME, place.name)
+		values.put(PlaceContract.COLUMN_NAME_ADDRESS, place.address)
+		values.put(PlaceContract.COLUMN_NAME_TYPE, place.type)
+		db.insert(PlaceContract.TABLE_NAME, null, values)
+		db.close()
+	}
 }
\ No newline at end of file

From 6080cee2d7980f8dad1e15e422f82de5cf586c1c Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 18:07:15 +0900
Subject: [PATCH 05/31] =?UTF-8?q?Feat[PlaceDbHelper.kt]:=20=EC=83=9D?=
 =?UTF-8?q?=EC=84=B1=20existPlace?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

매개 변수로 받은 Place가 존재하는지 확인
---
 .../campus/tech/kakao/map/PlaceDbHelper.kt    | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 1f4544ae..0aec7456 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -28,4 +28,23 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		db.insert(PlaceContract.TABLE_NAME, null, values)
 		db.close()
 	}
+
+	fun existPlace(place: Place, db: SQLiteDatabase): Boolean{
+		val selection = "${PlaceContract.COLUMN_NAME_NAME} like ? AND " +
+				"${PlaceContract.COLUMN_NAME_ADDRESS} like ? AND " +
+				"${PlaceContract.COLUMN_NAME_TYPE} like ?"
+		val cursor = db.query(
+			PlaceContract.TABLE_NAME,
+			arrayOf(PlaceContract.COLUMN_NAME_NAME),
+			selection,
+			arrayOf(place.name, place.address, place.type),
+			null,
+			null,
+			"${PlaceContract.COLUMN_NAME_NAME} DESC"
+		)
+
+		val result = cursor.moveToFirst()
+		cursor.close()
+		return if (result) true else false
+	}
 }
\ No newline at end of file

From 9a75a01cdfe6e100de70eefd546f74a381ff2c48 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 18:20:51 +0900
Subject: [PATCH 06/31] =?UTF-8?q?Feat[PlaceDbHelper.kt]:=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=20addPlace?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

추가할 장소가 존재하지 않으면 추가
---
 .../java/campus/tech/kakao/map/PlaceDbHelper.kt    | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 0aec7456..13ca94c8 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -21,12 +21,14 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 
 	fun addPlace(place: Place) {
 		val db = writableDatabase
-		val values = ContentValues()
-		values.put(PlaceContract.COLUMN_NAME_NAME, place.name)
-		values.put(PlaceContract.COLUMN_NAME_ADDRESS, place.address)
-		values.put(PlaceContract.COLUMN_NAME_TYPE, place.type)
-		db.insert(PlaceContract.TABLE_NAME, null, values)
-		db.close()
+		if (!existPlace(place, db)){
+			val values = ContentValues()
+			values.put(PlaceContract.COLUMN_NAME_NAME, place.name)
+			values.put(PlaceContract.COLUMN_NAME_ADDRESS, place.address)
+			values.put(PlaceContract.COLUMN_NAME_TYPE, place.type)
+			db.insert(PlaceContract.TABLE_NAME, null, values)
+			db.close()
+		}
 	}
 
 	fun existPlace(place: Place, db: SQLiteDatabase): Boolean{

From 8ab4b192cf12c39c0c235140ee5fc833cc40a7ac Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 18:36:29 +0900
Subject: [PATCH 07/31] =?UTF-8?q?Feat[PlaceDbHelper.kt]:=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80=20searchPlaceName?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

이름을 검색해서, 검색어를 포함하는 이름을 가진 장소 데이터를 리턴하는 함수
---
 .../campus/tech/kakao/map/PlaceDbHelper.kt    | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 13ca94c8..69d362ee 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -49,4 +49,34 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		cursor.close()
 		return if (result) true else false
 	}
+
+	fun searchPlaceName(name: String): List<Place>{
+		val results = mutableListOf<Place>()
+		var searchResult = "%${name}%"
+		val cursor = readableDatabase.query(
+			PlaceContract.TABLE_NAME,
+			arrayOf(PlaceContract.COLUMN_NAME_NAME,
+				PlaceContract.COLUMN_NAME_ADDRESS,
+				PlaceContract.COLUMN_NAME_TYPE),
+			"${PlaceContract.COLUMN_NAME_NAME} like ?",
+			arrayOf(searchResult),
+			null,
+			null,
+			"${PlaceContract.COLUMN_NAME_NAME} ASC"
+		)
+
+		while (cursor.moveToNext()) {
+			val name = cursor.getString(
+				cursor.getColumnIndexOrThrow(PlaceContract.COLUMN_NAME_NAME)
+			)
+			val address = cursor.getString(
+				cursor.getColumnIndexOrThrow(PlaceContract.COLUMN_NAME_ADDRESS)
+			)
+			val type = cursor.getString(
+				cursor.getColumnIndexOrThrow(PlaceContract.COLUMN_NAME_TYPE))
+			results.add(Place(name, address, type))
+		}
+		cursor.close()
+		return results
+	}
 }
\ No newline at end of file

From a2f41faed7aefd8da9e9ec9b389c6d1eb4a59e14 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 19:11:37 +0900
Subject: [PATCH 08/31] =?UTF-8?q?Feat[PlaceDbHelper.kt]:=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80=20existData?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

데이터베이스에 데이터가 있는지 확인하는 함수
---
 .../campus/tech/kakao/map/PlaceDbHelper.kt     | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 69d362ee..8f3df3b1 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -6,7 +6,7 @@ import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 
 class PlaceDbHelper(context: Context):SQLiteOpenHelper(
-	context, "place.db", null, 1) {
+	context, "place.db", null, 2) {
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
 				"(${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
@@ -31,6 +31,22 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		}
 	}
 
+	fun existData(): Boolean{
+		val db = readableDatabase
+		val cursor = db.query(
+			PlaceContract.TABLE_NAME,
+			arrayOf(PlaceContract.COLUMN_NAME_NAME),
+			null,
+			null,
+			null,
+			null,
+			null
+		)
+		val result = cursor.moveToFirst()
+		cursor.close()
+		return if (result) true else false
+	}
+
 	fun existPlace(place: Place, db: SQLiteDatabase): Boolean{
 		val selection = "${PlaceContract.COLUMN_NAME_NAME} like ? AND " +
 				"${PlaceContract.COLUMN_NAME_ADDRESS} like ? AND " +

From 175ca91c022825e45fc2056ad87fcbf35493b814 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 19:21:08 +0900
Subject: [PATCH 09/31] =?UTF-8?q?Feat[]:=20=EC=B6=94=EA=B0=80=20=EA=B2=80?=
 =?UTF-8?q?=EC=83=89=EC=97=90=20=EC=82=AC=EC=9A=A9=EB=90=A0=20=EB=8D=B0?=
 =?UTF-8?q?=EC=9D=B4=ED=84=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../campus/tech/kakao/map/MainActivity.kt     | 38 +++++--------------
 .../campus/tech/kakao/map/MainViewModel.kt    | 21 ++++++++++
 .../campus/tech/kakao/map/PlaceDbHelper.kt    |  2 +-
 3 files changed, 32 insertions(+), 29 deletions(-)
 create mode 100644 app/src/main/java/campus/tech/kakao/map/MainViewModel.kt

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index c17e4001..5d399caf 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -10,34 +10,16 @@ class MainActivity : AppCompatActivity() {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
 
-        val db = PlaceDbHelper(this)
-        val writableDatabase = db.writableDatabase
-        val values = ContentValues()
-        values.put(PlaceContract.COLUMN_NAME_NAME, "카페1")
-        values.put(PlaceContract.COLUMN_NAME_ADDRESS, "서울시 강남구")
-
-        writableDatabase.insert(PlaceContract.TABLE_NAME, null, values)
-
-        val readableDatabase = db.readableDatabase
-        var searchResult = "%카페%"
-        val cursor = readableDatabase.query(
-            PlaceContract.TABLE_NAME,
-            arrayOf(PlaceContract.COLUMN_NAME_NAME),
-            "${PlaceContract.COLUMN_NAME_NAME} like ?",
-            arrayOf(searchResult),
-            null,
-            null,
-            "${PlaceContract.COLUMN_NAME_NAME} DESC"
-        )
-
-        val result = mutableListOf<String>()
-        while (cursor.moveToNext()) {
-            result.add(
-                cursor.getString(
-                    cursor.getColumnIndexOrThrow(PlaceContract.COLUMN_NAME_NAME)
-                )
-            )
+        val dbHelper = PlaceDbHelper(applicationContext)
+        val db = dbHelper.writableDatabase
+//        dbHelper.onUpgrade(db, 1, 2)
+        val mainViewModel = MainViewModel(application)
+        mainViewModel.insertInitData()
+        var places = mutableListOf<Place>()
+        places = dbHelper.searchPlaceName("")
+        places.forEach {
+            Log.d("testt", "onCreate: ${it.name}")
         }
-        cursor.close()
+
     }
 }
diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
new file mode 100644
index 00000000..242419ed
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -0,0 +1,21 @@
+package campus.tech.kakao.map
+
+import android.app.Application
+import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.MutableLiveData
+import androidx.lifecycle.ViewModel
+
+class MainViewModel(application: Application): AndroidViewModel(application) {
+	private var placeList = MutableLiveData<List<Place>>()
+	private val dbHelper = PlaceDbHelper(application)
+
+	fun insertInitData(){
+		if (!dbHelper.existData()){
+			for(i in 1..10){
+				dbHelper.addPlace(Place("카페 $i", "남양주 $i", "카페"))
+				dbHelper.addPlace(Place("약국 $i", "남양주 $i", "약국"))
+			}
+		}
+
+	}
+}
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 8f3df3b1..4923ba61 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -66,7 +66,7 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		return if (result) true else false
 	}
 
-	fun searchPlaceName(name: String): List<Place>{
+	fun searchPlaceName(name: String): MutableList<Place>{
 		val results = mutableListOf<Place>()
 		var searchResult = "%${name}%"
 		val cursor = readableDatabase.query(

From c3c7e22e1a32a8de057efbb2cea532ac8be6a6ed Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 21:18:16 +0900
Subject: [PATCH 10/31] =?UTF-8?q?Docs[README.md]:=20=EC=B6=94=EA=B0=80=202?=
 =?UTF-8?q?=EB=8B=A8=EA=B3=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/README.md b/README.md
index 585b9b2f..15b23bce 100644
--- a/README.md
+++ b/README.md
@@ -10,3 +10,20 @@
 - 검색 데이터는 저장은 SQLite를 사용한다.
 - 가능한 MVVM 아키텍처 패턴을 적용하도록 한다.
 - 코드 컨벤션을 준수하며 프로그래밍한다.
+
+# 2단계
+
+## 기능 요구 사항
+- 검색어를 입력하면 검색 결과 목록이 표시된다.
+- 검색 결과 목록은 세로 스크롤이 된다.
+- 입력한 검색어는 X를 눌러서 삭제할 수 있다.
+- 검색 결과 목록에서 하나의 항목을 선택할 수 있다.
+- 선택된 항목은 검색어 저장 목록에 추가된다.
+  - 목록에 있는 검색 결과를 다시 선택하면 기존 저장 목록에서 지워지고 가장 끝에 다시 추가된다.
+- 저장된 검색어 목록은 가로 스크롤이 된다.
+- 저장된 검색어는 X를 눌러서 삭제할 수 있다.
+- 저장된 검색어는 앱을 재실행하여도 유지된다.
+
+## 프로그래밍 요구 사항
+- 검색 결과 목록은 리사이클러뷰를 사용한다.
+- 가능한 MVVM 아키텍처 패턴을 적용하도록 한다.

From 76521a082e2e0c12ba9428c56b1163a91b44db0f Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Fri, 5 Jul 2024 21:30:34 +0900
Subject: [PATCH 11/31] =?UTF-8?q?Docs[README.md]:=20=EC=B6=94=EA=B0=80=20?=
 =?UTF-8?q?=EC=9D=B4=EB=AF=B8=EC=A7=80=20=EC=B6=9C=EC=B2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/README.md b/README.md
index 15b23bce..caa1593b 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,7 @@
 ## 프로그래밍 요구 사항
 - 검색 결과 목록은 리사이클러뷰를 사용한다.
 - 가능한 MVVM 아키텍처 패턴을 적용하도록 한다.
+
+## 이미지 출처
+- 위치 마커 아이콘 제작자: bsd - Flaticon
+- 문자 x 아이콘 제작자: Freepik - Flaticon

From c4505c02de890dab27f89fb8155eec1abe8569ff Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 17:13:04 +0900
Subject: [PATCH 12/31] =?UTF-8?q?Feat[]:=20=EC=B6=94=EA=B0=80=20=EA=B2=80?=
 =?UTF-8?q?=EC=83=89=20=EA=B2=B0=EA=B3=BC=20=EB=AA=A9=EB=A1=9D=20=EC=B6=9C?=
 =?UTF-8?q?=EB=A0=A5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

검색어를 입력하면 검색 결과 목록이 표시되고, 목록은 세로 스크롤이 됨
---
 app/build.gradle.kts                          |   4 +-
 .../campus/tech/kakao/map/MainActivity.kt     |  67 +++++++++++++++---
 .../campus/tech/kakao/map/MainViewModel.kt    |   8 ++-
 .../campus/tech/kakao/map/PlaceDbHelper.kt    |  10 +--
 .../tech/kakao/map/RecyclerViewAdapter.kt     |  45 ++++++++++++
 app/src/main/res/drawable/marker.png          | Bin 0 -> 16096 bytes
 app/src/main/res/layout/activity_main.xml     |  10 +++
 app/src/main/res/layout/place_item.xml        |  47 ++++++++++++
 8 files changed, 175 insertions(+), 16 deletions(-)
 create mode 100644 app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt
 create mode 100644 app/src/main/res/drawable/marker.png
 create mode 100644 app/src/main/res/layout/place_item.xml

diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 9932d6bb..f79cc952 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -40,7 +40,9 @@ android {
 }
 
 dependencies {
-
+    val lifecycle_version = "2.8.3"
+    implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:$lifecycle_version")
+    implementation("androidx.lifecycle:lifecycle-livedata-ktx:$lifecycle_version")
     implementation("androidx.core:core-ktx:1.12.0")
     implementation("androidx.appcompat:appcompat:1.6.1")
     implementation("com.google.android.material:material:1.11.0")
diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index 5d399caf..77c6d60e 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -2,24 +2,71 @@ package campus.tech.kakao.map
 
 import android.content.ContentValues
 import android.os.Bundle
+import android.text.Editable
+import android.text.TextWatcher
 import android.util.Log
+import android.view.View
+import android.widget.EditText
+import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.Observer
+import androidx.lifecycle.ViewModelProvider
+import androidx.recyclerview.widget.LinearLayoutManager
+import androidx.recyclerview.widget.RecyclerView
 
 class MainActivity : AppCompatActivity() {
+
+    private lateinit var model: MainViewModel
+    private lateinit var search:EditText
+    private lateinit var clear: TextView
+    private lateinit var noResult: TextView
+    private lateinit var searchResult: RecyclerView
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        UISetting()
+        searchResult.layoutManager = LinearLayoutManager(this)
+        search.addTextChangedListener(object : TextWatcher{
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
+
+            }
+
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
+                val query = s.toString()
+                if (query.isEmpty()){
+                    noResult.visibility = View.VISIBLE
+                    searchResult.visibility = View.GONE
+                }else{
+                    noResult.visibility = View.GONE
+                    searchResult.visibility = View.VISIBLE
+                    model.search(query)
+                }
+            }
 
-        val dbHelper = PlaceDbHelper(applicationContext)
-        val db = dbHelper.writableDatabase
-//        dbHelper.onUpgrade(db, 1, 2)
-        val mainViewModel = MainViewModel(application)
-        mainViewModel.insertInitData()
-        var places = mutableListOf<Place>()
-        places = dbHelper.searchPlaceName("")
-        places.forEach {
-            Log.d("testt", "onCreate: ${it.name}")
-        }
+            override fun afterTextChanged(s: Editable?) {
+            }
 
+        })
+        model = ViewModelProvider(this).get(MainViewModel::class.java)
+        model.placeList.observe(this, Observer {
+            if (it.isNullOrEmpty()){
+                noResult.visibility = View.VISIBLE
+                searchResult.visibility = View.GONE
+            }else{
+                noResult.visibility = View.GONE
+                searchResult.visibility = View.VISIBLE
+                searchResult.adapter = RecyclerViewAdapter(it)
+            }
+        })
+
+    }
+
+    fun UISetting(){
+        search = findViewById(R.id.search)
+        clear = findViewById(R.id.search_clear)
+        noResult = findViewById(R.id.no_search_result)
+        searchResult = findViewById(R.id.search_result_recycler_view)
     }
+
 }
diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
index 242419ed..5027e7f5 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -2,12 +2,14 @@ package campus.tech.kakao.map
 
 import android.app.Application
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 
 class MainViewModel(application: Application): AndroidViewModel(application) {
-	private var placeList = MutableLiveData<List<Place>>()
 	private val dbHelper = PlaceDbHelper(application)
+	val placeList: LiveData<MutableList<Place>> get() =  dbHelper._place
+
 
 	fun insertInitData(){
 		if (!dbHelper.existData()){
@@ -18,4 +20,8 @@ class MainViewModel(application: Application): AndroidViewModel(application) {
 		}
 
 	}
+
+	fun search(query: String) {
+		dbHelper.searchPlaceName(query)
+	}
 }
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 4923ba61..9e13e17d 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -4,9 +4,11 @@ import android.content.ContentValues
 import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
+import androidx.lifecycle.MutableLiveData
 
 class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 	context, "place.db", null, 2) {
+	val _place = MutableLiveData<MutableList<Place>>()
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
 				"(${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
@@ -66,8 +68,8 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		return if (result) true else false
 	}
 
-	fun searchPlaceName(name: String): MutableList<Place>{
-		val results = mutableListOf<Place>()
+	fun searchPlaceName(name: String){
+		val resultList = mutableListOf<Place>()
 		var searchResult = "%${name}%"
 		val cursor = readableDatabase.query(
 			PlaceContract.TABLE_NAME,
@@ -90,9 +92,9 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 			)
 			val type = cursor.getString(
 				cursor.getColumnIndexOrThrow(PlaceContract.COLUMN_NAME_TYPE))
-			results.add(Place(name, address, type))
+			resultList.add(Place(name, address, type))
 		}
 		cursor.close()
-		return results
+		_place.value = resultList
 	}
 }
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt b/app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt
new file mode 100644
index 00000000..3d2ecafe
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt
@@ -0,0 +1,45 @@
+package campus.tech.kakao.map
+
+import android.content.Intent
+import android.util.Log
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.TextView
+import androidx.lifecycle.LiveData
+import androidx.recyclerview.widget.RecyclerView
+
+class RecyclerViewAdapter(
+	val placeList: MutableList<Place>
+): RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>() {
+	inner class ViewHolder(
+		itemView: View
+	): RecyclerView.ViewHolder(itemView) {
+		val name:TextView = itemView.findViewById(R.id.name)
+		val address:TextView = itemView.findViewById(R.id.address)
+		val type:TextView = itemView.findViewById(R.id.type)
+		init {
+			itemView.setOnClickListener {
+				val position:Int = bindingAdapterPosition
+				val place:Place = placeList[position]
+				Log.d("testt", "Clicked on ${place.name}")
+			}
+		}
+	}
+
+	override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+		return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.place_item, parent, false))
+	}
+
+	override fun getItemCount(): Int {
+		return placeList.size
+	}
+
+	override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+		holder.name.text = placeList[position].name
+		holder.address.text = placeList[position].address
+		holder.type.text = placeList[position].type
+	}
+}
+
+
diff --git a/app/src/main/res/drawable/marker.png b/app/src/main/res/drawable/marker.png
new file mode 100644
index 0000000000000000000000000000000000000000..5519a07d6f3017d94125926c79513fc2c4632244
GIT binary patch
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zY$;QAS+e}^^!@#Ny?XULpF8)SbI&>V+_SuIl%9^}Y1(tN5ComRaUE*_L2&S&aEOKq
z{Il)%<pBJ1%JaIJ4+JrEkpIGZJPPf=$Fuj<P463eINbNW<82T5`ud7HySw<<-tn{-
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zS{XsYBU9d4iS6Nh5g8+ahr{0ob3i?r0>i>mT-8#rB@%9VJ2Lnk%{Pnrom5pU-Nu?=
z-aK%i`g)O0T2&jf*!8ZKlV(<vx(nyT=LU0xWXV%8+KOE4s`*@!68p5oDuSJw3-?`Q
zVgztj2qQz?9)G=kCHxPm6IL_UeJnZn*#D@GodFROi%sgzgLfUc9TUhwcY}w^sF!*Y
zq&aLTcH{(525o~@!0{j5xF%otb)8L~3GuR)g8aJUIo0o|e`d?K?lIXE*N=Y4ei3~`
zuVU0#5oceuQ8a&nA0>K7ix;9SD=Q6tuy!LfKK`#V^L^NA29PH$H4sI3Z}_x}!}I@E
z9iW2Mt@_nL^wOF~yu?a<uR6A?=PZ=Rw6CK*jlrQdZ$mPzht|=D#Sd-%kR1~(K>sj>
rCl-TeB~4V&H|CvGpD>=h_5BmS%GxJw|840(;Li<p9c-DZP3ZpvfV8GJ

literal 0
HcmV?d00001

diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index dcaefe47..3a5c573c 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -33,6 +33,7 @@
 
 
     <TextView
+        android:id="@+id/no_search_result"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:text="@string/no_search_result"
@@ -41,4 +42,13 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/search_result_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/search" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/place_item.xml b/app/src/main/res/layout/place_item.xml
new file mode 100644
index 00000000..fa5da065
--- /dev/null
+++ b/app/src/main/res/layout/place_item.xml
@@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_marginBottom="10dp">
+    
+    <ImageView
+        android:id="@+id/marker"
+        android:layout_width="70dp"
+        android:layout_height="70dp"
+        android:src="@drawable/marker"
+        android:layout_margin="10dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"/>
+    <TextView
+        android:id="@+id/name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="name"
+        android:textSize="30sp"
+        android:gravity="right|center"
+        android:layout_marginBottom="5dp"
+        app:layout_constraintStart_toEndOf="@+id/marker"
+        app:layout_constraintTop_toTopOf="parent"/>
+    <TextView
+        android:id="@+id/address"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="address"
+        android:textSize="20sp"
+        android:gravity="right|center"
+        app:layout_constraintStart_toEndOf="@+id/marker"
+        app:layout_constraintTop_toBottomOf="@+id/name"/>
+    <TextView
+        android:id="@+id/type"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="type"
+        android:textSize="20sp"
+        android:gravity="center"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        android:layout_marginEnd="10dp"/>
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

From 217b4d8e2354cb9d5d5430c4a3fde6af67d32e99 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 17:15:23 +0900
Subject: [PATCH 13/31] =?UTF-8?q?Feat[MainActivity.kt]:=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80=20X=EB=A5=BC=20=EB=88=8C=EB=9F=AC=20=EC=9E=85?=
 =?UTF-8?q?=EB=A0=A5=20=EA=B2=80=EC=83=89=EC=96=B4=20=EC=82=AD=EC=A0=9C?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/MainActivity.kt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index 77c6d60e..a6044939 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -67,6 +67,9 @@ class MainActivity : AppCompatActivity() {
         clear = findViewById(R.id.search_clear)
         noResult = findViewById(R.id.no_search_result)
         searchResult = findViewById(R.id.search_result_recycler_view)
+        clear.setOnClickListener {
+            search.setText("")
+        }
     }
 
 }

From 119090f505b9b22c0dfb2ece4bc87d8ba05231c5 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 18:10:49 +0900
Subject: [PATCH 14/31] =?UTF-8?q?Fix[PlaceDbHelper.kt]:=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=20existPlace?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

장소 확인을 like 대신 = 으로 변경
---
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 9e13e17d..368a1923 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -50,9 +50,9 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 	}
 
 	fun existPlace(place: Place, db: SQLiteDatabase): Boolean{
-		val selection = "${PlaceContract.COLUMN_NAME_NAME} like ? AND " +
-				"${PlaceContract.COLUMN_NAME_ADDRESS} like ? AND " +
-				"${PlaceContract.COLUMN_NAME_TYPE} like ?"
+		val selection = "${PlaceContract.COLUMN_NAME_NAME} = ? AND " +
+				"${PlaceContract.COLUMN_NAME_ADDRESS} = ? AND " +
+				"${PlaceContract.COLUMN_NAME_TYPE} = ?"
 		val cursor = db.query(
 			PlaceContract.TABLE_NAME,
 			arrayOf(PlaceContract.COLUMN_NAME_NAME),

From 5aaa892375a3f41f3e0868f8609f119ffa623a52 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 18:19:37 +0900
Subject: [PATCH 15/31] =?UTF-8?q?Refactor[]:=20Place=20DB=20=EC=9D=B4?=
 =?UTF-8?q?=EB=A6=84=EC=9D=84=20=EC=83=81=EC=88=98=EB=A1=9C=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/PlaceContract.kt | 1 +
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt b/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
index e8d1aff1..1041d382 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
@@ -3,6 +3,7 @@ package campus.tech.kakao.map
 import android.provider.BaseColumns
 
 object PlaceContract:BaseColumns {
+	const val DB_NAME = "place.db"
 	const val TABLE_NAME = "place"
 	const val COLUMN_NAME_NAME = "name"
 	const val COLUMN_NAME_ADDRESS = "address"
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 368a1923..2c4efca2 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -7,7 +7,7 @@ import android.database.sqlite.SQLiteOpenHelper
 import androidx.lifecycle.MutableLiveData
 
 class PlaceDbHelper(context: Context):SQLiteOpenHelper(
-	context, "place.db", null, 2) {
+	context, PlaceContract.DB_NAME, null, 2) {
 	val _place = MutableLiveData<MutableList<Place>>()
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +

From 790679a28f8a70c62641a582afe502a6afe5707a Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 19:41:23 +0900
Subject: [PATCH 16/31] =?UTF-8?q?Rename[PlaceAdapter]:=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=20=EC=9D=B4=EB=A6=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../map/{RecyclerViewAdapter.kt => PlaceAdapter.kt}   | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)
 rename app/src/main/java/campus/tech/kakao/map/{RecyclerViewAdapter.kt => PlaceAdapter.kt} (82%)

diff --git a/app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
similarity index 82%
rename from app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt
rename to app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
index 3d2ecafe..e6e68fd4 100644
--- a/app/src/main/java/campus/tech/kakao/map/RecyclerViewAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
@@ -1,17 +1,16 @@
 package campus.tech.kakao.map
 
-import android.content.Intent
 import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
-import androidx.lifecycle.LiveData
 import androidx.recyclerview.widget.RecyclerView
 
-class RecyclerViewAdapter(
-	val placeList: MutableList<Place>
-): RecyclerView.Adapter<RecyclerViewAdapter.ViewHolder>() {
+class PlaceAdapter(
+	val placeList: MutableList<Place>,
+	val viewModel: MainViewModel
+): RecyclerView.Adapter<PlaceAdapter.ViewHolder>() {
 	inner class ViewHolder(
 		itemView: View
 	): RecyclerView.ViewHolder(itemView) {
@@ -22,7 +21,7 @@ class RecyclerViewAdapter(
 			itemView.setOnClickListener {
 				val position:Int = bindingAdapterPosition
 				val place:Place = placeList[position]
-				Log.d("testt", "Clicked on ${place.name}")
+				viewModel.addWord(place)
 			}
 		}
 	}

From c2baa69a95d550bfe2aee6a6729c3985e2b94e3c Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 19:42:10 +0900
Subject: [PATCH 17/31] =?UTF-8?q?Refactor[PlaceDbHelper]:=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=20existData?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

result를 리턴하도록 변경
---
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 2c4efca2..90a2dfbf 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -46,7 +46,7 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		)
 		val result = cursor.moveToFirst()
 		cursor.close()
-		return if (result) true else false
+		return result
 	}
 
 	fun existPlace(place: Place, db: SQLiteDatabase): Boolean{

From 78eacb1d46eb949ca32791bd73d83ef39c89ee97 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 20:00:20 +0900
Subject: [PATCH 18/31] =?UTF-8?q?Feat[]:=20=EC=B6=94=EA=B0=80=20=EA=B2=80?=
 =?UTF-8?q?=EC=83=89=20=EA=B2=B0=EA=B3=BC=20=EB=AA=A9=EB=A1=9D=20=EA=B8=B0?=
 =?UTF-8?q?=EB=8A=A5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

검색 결과 목록에서 하나의 항목을 선택하면, 검색어 저장 목록에 추가가 되고 가로 스크롤이 됨.
---
 .../campus/tech/kakao/map/MainActivity.kt     |  20 +++-
 .../campus/tech/kakao/map/MainViewModel.kt    |  26 ++++-
 .../java/campus/tech/kakao/map/SearchWord.kt  |   3 +
 .../tech/kakao/map/SearchWordContract.kt      |  10 ++
 .../tech/kakao/map/SearchWordDbHelper.kt      | 110 ++++++++++++++++++
 .../java/campus/tech/kakao/map/WordAdapter.kt |  40 +++++++
 app/src/main/res/layout/activity_main.xml     |   9 +-
 app/src/main/res/layout/word_item.xml         |  23 ++++
 8 files changed, 231 insertions(+), 10 deletions(-)
 create mode 100644 app/src/main/java/campus/tech/kakao/map/SearchWord.kt
 create mode 100644 app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt
 create mode 100644 app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
 create mode 100644 app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
 create mode 100644 app/src/main/res/layout/word_item.xml

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index a6044939..5718004e 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -1,6 +1,5 @@
 package campus.tech.kakao.map
 
-import android.content.ContentValues
 import android.os.Bundle
 import android.text.Editable
 import android.text.TextWatcher
@@ -21,12 +20,14 @@ class MainActivity : AppCompatActivity() {
     private lateinit var clear: TextView
     private lateinit var noResult: TextView
     private lateinit var searchResult: RecyclerView
+    private lateinit var searchWordResult: RecyclerView
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
         UISetting()
         searchResult.layoutManager = LinearLayoutManager(this)
+        searchWordResult.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
         search.addTextChangedListener(object : TextWatcher{
             override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
 
@@ -34,7 +35,7 @@ class MainActivity : AppCompatActivity() {
 
             override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
                 val query = s.toString()
-                if (query.isEmpty()){
+                if (query.isNullOrEmpty()){
                     noResult.visibility = View.VISIBLE
                     searchResult.visibility = View.GONE
                 }else{
@@ -56,7 +57,19 @@ class MainActivity : AppCompatActivity() {
             }else{
                 noResult.visibility = View.GONE
                 searchResult.visibility = View.VISIBLE
-                searchResult.adapter = RecyclerViewAdapter(it)
+                searchResult.adapter = PlaceAdapter(it, model)
+            }
+        })
+
+        model.wordList.observe(this, Observer {
+            if (it.isNullOrEmpty()){
+                searchWordResult.visibility = View.GONE
+                Log.d("testt", "null")
+            }
+            else{
+                searchWordResult.visibility = View.VISIBLE
+                searchWordResult.adapter = WordAdapter(it, model)
+                Log.d("testt", it[0].name)
             }
         })
 
@@ -67,6 +80,7 @@ class MainActivity : AppCompatActivity() {
         clear = findViewById(R.id.search_clear)
         noResult = findViewById(R.id.no_search_result)
         searchResult = findViewById(R.id.search_result_recycler_view)
+        searchWordResult = findViewById(R.id.search_word_recycler_view)
         clear.setOnClickListener {
             search.setText("")
         }
diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
index 5027e7f5..df1d6204 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -1,27 +1,41 @@
 package campus.tech.kakao.map
 
 import android.app.Application
+import android.util.Log
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 
 class MainViewModel(application: Application): AndroidViewModel(application) {
-	private val dbHelper = PlaceDbHelper(application)
-	val placeList: LiveData<MutableList<Place>> get() =  dbHelper._place
+	private val placeDbHelper = PlaceDbHelper(application)
+	val placeList: LiveData<MutableList<Place>> get() =  placeDbHelper._place
 
+	private val wordDbHelper = SearchWordDbHelper(application)
+	val wordList: LiveData<MutableList<SearchWord>> get() =  wordDbHelper._searchWords
 
 	fun insertInitData(){
-		if (!dbHelper.existData()){
+		if (!placeDbHelper.existData()){
 			for(i in 1..10){
-				dbHelper.addPlace(Place("카페 $i", "남양주 $i", "카페"))
-				dbHelper.addPlace(Place("약국 $i", "남양주 $i", "약국"))
+				placeDbHelper.addPlace(Place("카페 $i", "남양주 $i", "카페"))
+				placeDbHelper.addPlace(Place("약국 $i", "남양주 $i", "약국"))
 			}
 		}
 
 	}
 
 	fun search(query: String) {
-		dbHelper.searchPlaceName(query)
+		placeDbHelper.searchPlaceName(query)
+	}
+
+	fun addWord(place: Place){
+		wordDbHelper.addWord(WordfromPlace(place))
+	}
+
+	fun WordfromPlace(place: Place):SearchWord{
+		return SearchWord(place.name, place.address, place.type)
+	}
+	fun deleteWord(word: SearchWord){
+		wordDbHelper.deleteWord(word)
 	}
 }
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWord.kt b/app/src/main/java/campus/tech/kakao/map/SearchWord.kt
new file mode 100644
index 00000000..980b1625
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWord.kt
@@ -0,0 +1,3 @@
+package campus.tech.kakao.map
+
+data class SearchWord(val name: String, val address: String, val type: String)
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt
new file mode 100644
index 00000000..a5e58b99
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt
@@ -0,0 +1,10 @@
+package campus.tech.kakao.map
+
+object SearchWordContract {
+	const val DB_NAME = "search_word.db"
+	const val TABLE_NAME = "SearchWord"
+	const val COLUMN_NAME_NAME = "name"
+	const val COLUMN_NAME_ADDRESS = "address"
+	const val COLUMN_NAME_TYPE = "type"
+
+}
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
new file mode 100644
index 00000000..36ffd9ba
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -0,0 +1,110 @@
+package campus.tech.kakao.map
+
+import android.content.ContentValues
+import android.content.Context
+import android.database.sqlite.SQLiteDatabase
+import android.database.sqlite.SQLiteOpenHelper
+import android.util.Log
+import androidx.lifecycle.MutableLiveData
+
+class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
+	context, SearchWordContract.DB_NAME, null, 1) {
+	val _searchWords = MutableLiveData<MutableList<SearchWord>>()
+	val searchSameSelection = "${SearchWordContract.COLUMN_NAME_NAME} = ? AND " +
+			"${SearchWordContract.COLUMN_NAME_ADDRESS} = ? AND " +
+			"${SearchWordContract.COLUMN_NAME_TYPE} = ?"
+	override fun onCreate(db: SQLiteDatabase?) {
+		db?.execSQL(
+			"CREATE TABLE ${SearchWordContract.TABLE_NAME} " +
+					"(${SearchWordContract.COLUMN_NAME_NAME} TEXT, " +
+					"${SearchWordContract.COLUMN_NAME_ADDRESS} TEXT, " +
+					"${SearchWordContract.COLUMN_NAME_TYPE} TEXT)"
+		)
+	}
+
+	override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
+		db?.execSQL("DROP TABLE IF EXISTS ${SearchWordContract.TABLE_NAME}")
+		onCreate(db)
+	}
+
+	fun addWord(word: SearchWord) {
+		val db = writableDatabase
+		if (existWord(word, db)){
+			deleteWord(word)
+		}
+		val values = ContentValues()
+		values.put(SearchWordContract.COLUMN_NAME_NAME, word.name)
+		values.put(SearchWordContract.COLUMN_NAME_ADDRESS, word.address)
+		values.put(SearchWordContract.COLUMN_NAME_TYPE, word.type)
+		db.insert(SearchWordContract.TABLE_NAME, null, values)
+		db.close()
+		updateSearchWords()
+	}
+
+	fun existData(): Boolean{
+		val db = readableDatabase
+		val cursor = db.query(
+			SearchWordContract.TABLE_NAME,
+			arrayOf(SearchWordContract.COLUMN_NAME_NAME),
+			null,
+			null,
+			null,
+			null,
+			null
+		)
+		val result = cursor.moveToFirst()
+		cursor.close()
+		return result
+	}
+
+	fun existWord(word: SearchWord, db: SQLiteDatabase): Boolean{
+		val selection = searchSameSelection
+		val cursor = db.query(
+			SearchWordContract.TABLE_NAME,
+			arrayOf(SearchWordContract.COLUMN_NAME_NAME),
+			selection,
+			arrayOf(word.name, word.address, word.type),
+			null,
+			null,
+			"${SearchWordContract.COLUMN_NAME_NAME} DESC"
+		)
+
+		val result = cursor.moveToFirst()
+		cursor.close()
+		return if (result) true else false
+	}
+
+	fun deleteWord(word: SearchWord){
+		val db = writableDatabase
+		val selection = searchSameSelection
+		val selectionArgs = arrayOf(word.name, word.address, word.type)
+		db.delete(SearchWordContract.TABLE_NAME, selection, selectionArgs)
+	}
+
+	fun updateSearchWords(){
+		val db = readableDatabase
+		var resultList = mutableListOf<SearchWord>()
+		val cursor = db.query(
+			SearchWordContract.TABLE_NAME,
+			arrayOf(SearchWordContract.COLUMN_NAME_NAME, SearchWordContract.COLUMN_NAME_ADDRESS, SearchWordContract.COLUMN_NAME_TYPE),
+			null,
+			null,
+			null,
+			null,
+			null
+		)
+		while (cursor.moveToNext()) {
+			val name = cursor.getString(
+				cursor.getColumnIndexOrThrow(SearchWordContract.COLUMN_NAME_NAME)
+			)
+			val address = cursor.getString(
+				cursor.getColumnIndexOrThrow(SearchWordContract.COLUMN_NAME_ADDRESS)
+			)
+			val type = cursor.getString(
+				cursor.getColumnIndexOrThrow(SearchWordContract.COLUMN_NAME_TYPE))
+			resultList.add(SearchWord(name, address, type))
+		}
+		cursor.close()
+		_searchWords.value = resultList
+	}
+}
\ No newline at end of file
diff --git a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
new file mode 100644
index 00000000..42b6f5b1
--- /dev/null
+++ b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
@@ -0,0 +1,40 @@
+package campus.tech.kakao.map
+
+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 androidx.recyclerview.widget.RecyclerView
+
+class WordAdapter(
+	val wordList: MutableList<SearchWord>,
+	val viewModel: MainViewModel
+): RecyclerView.Adapter<WordAdapter.ViewHolder>() {
+	inner class ViewHolder(
+		itemView: View
+	): RecyclerView.ViewHolder(itemView) {
+		val searchWord: TextView = itemView.findViewById(R.id.search_word)
+		val delete: ImageView = itemView.findViewById(R.id.x)
+		init {
+			delete.setOnClickListener {
+				val position:Int = bindingAdapterPosition
+				val word:SearchWord = wordList[position]
+				viewModel.deleteWord(word)
+			}
+		}
+	}
+
+	override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ViewHolder {
+		return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.word_item, parent, false))
+	}
+
+	override fun getItemCount(): Int {
+		return wordList.size
+	}
+
+	override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+		holder.searchWord.text = wordList[position].name
+	}
+}
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 3a5c573c..f1ac7119 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -41,6 +41,13 @@
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/search_word_recycler_view"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/search"/>
 
     <androidx.recyclerview.widget.RecyclerView
         android:id="@+id/search_result_recycler_view"
@@ -49,6 +56,6 @@
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/search" />
+        app:layout_constraintTop_toBottomOf="@+id/search_word_recycler_view" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/app/src/main/res/layout/word_item.xml b/app/src/main/res/layout/word_item.xml
new file mode 100644
index 00000000..a14c1c28
--- /dev/null
+++ b/app/src/main/res/layout/word_item.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content">
+
+    <ImageView
+        android:id="@+id/x"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:src="@drawable/x"
+        android:layout_margin="15dp"/>
+    <TextView
+        android:id="@+id/search_word"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="word"
+        android:textSize="25sp"
+        android:gravity="center"
+        android:layout_margin="8dp"/>
+
+
+</LinearLayout>
\ No newline at end of file

From 568b0f90a35d1a870dcb5e26e96de26966b6f551 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 20:21:10 +0900
Subject: [PATCH 19/31] =?UTF-8?q?Feat[SearchWordDbHelper]:=20=EC=B6=94?=
 =?UTF-8?q?=EA=B0=80=20=EA=B2=80=EC=83=89=EC=96=B4=20x=20=EB=88=8C?=
 =?UTF-8?q?=EB=9F=AC=EC=84=9C=20=EC=82=AD=EC=A0=9C=20=EA=B8=B0=EB=8A=A5?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
index 36ffd9ba..a4b39376 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -79,6 +79,7 @@ class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 		val selection = searchSameSelection
 		val selectionArgs = arrayOf(word.name, word.address, word.type)
 		db.delete(SearchWordContract.TABLE_NAME, selection, selectionArgs)
+		updateSearchWords()
 	}
 
 	fun updateSearchWords(){

From 204ffcb5840ca29d2ccf10e246a9c49f4f742e7d Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sat, 6 Jul 2024 20:23:53 +0900
Subject: [PATCH 20/31] =?UTF-8?q?Feat[]:=20=EC=B6=94=EA=B0=80=20=EA=B2=80?=
 =?UTF-8?q?=EC=83=89=EC=96=B4=20=EC=9E=AC=EC=8B=A4=ED=96=89=20=EC=9C=A0?=
 =?UTF-8?q?=EC=A7=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

저장된 검색어는 앱을 재실행하여도 유지된다.
---
 app/src/main/java/campus/tech/kakao/map/MainActivity.kt  | 2 +-
 app/src/main/java/campus/tech/kakao/map/MainViewModel.kt | 4 ++++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index 5718004e..a61614fd 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -60,7 +60,7 @@ class MainActivity : AppCompatActivity() {
                 searchResult.adapter = PlaceAdapter(it, model)
             }
         })
-
+        model.loadWord()
         model.wordList.observe(this, Observer {
             if (it.isNullOrEmpty()){
                 searchWordResult.visibility = View.GONE
diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
index df1d6204..08fc36d7 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -38,4 +38,8 @@ class MainViewModel(application: Application): AndroidViewModel(application) {
 	fun deleteWord(word: SearchWord){
 		wordDbHelper.deleteWord(word)
 	}
+
+	fun loadWord(){
+		wordDbHelper.updateSearchWords()
+	}
 }
\ No newline at end of file

From 08a7a27fe5f5d2d555f1aa04035c3c93e2795bac Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 22:23:22 +0900
Subject: [PATCH 21/31] =?UTF-8?q?Refactor[]:=20=EB=B3=80=EA=B2=BD=20?=
 =?UTF-8?q?=EA=B2=80=EC=83=89=EC=96=B4=20=EA=B2=80=EC=83=89=20=EC=9D=B8?=
 =?UTF-8?q?=EC=8B=9D=20=EB=B0=A9=EB=B2=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

addTextChangedListener 대신 doOnTextChanged를 사용하였다.
---
 .../campus/tech/kakao/map/MainActivity.kt     | 32 +++++++------------
 1 file changed, 12 insertions(+), 20 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index a61614fd..2fc455ae 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -8,6 +8,7 @@ import android.view.View
 import android.widget.EditText
 import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
+import androidx.core.widget.doOnTextChanged
 import androidx.lifecycle.Observer
 import androidx.lifecycle.ViewModelProvider
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -28,27 +29,18 @@ class MainActivity : AppCompatActivity() {
         UISetting()
         searchResult.layoutManager = LinearLayoutManager(this)
         searchWordResult.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
-        search.addTextChangedListener(object : TextWatcher{
-            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
-
-            }
-
-            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
-                val query = s.toString()
-                if (query.isNullOrEmpty()){
-                    noResult.visibility = View.VISIBLE
-                    searchResult.visibility = View.GONE
-                }else{
-                    noResult.visibility = View.GONE
-                    searchResult.visibility = View.VISIBLE
-                    model.search(query)
-                }
-            }
-
-            override fun afterTextChanged(s: Editable?) {
+        
+        search.doOnTextChanged { text, start, before, count ->
+            val query = text.toString()
+            if (query.isNullOrEmpty()){
+                noResult.visibility = View.VISIBLE
+                searchResult.visibility = View.GONE
+            }else{
+                noResult.visibility = View.GONE
+                searchResult.visibility = View.VISIBLE
+                model.search(query)
             }
-
-        })
+        }
         model = ViewModelProvider(this).get(MainViewModel::class.java)
         model.placeList.observe(this, Observer {
             if (it.isNullOrEmpty()){

From 0890b9e7b8f20e372ca84441984f2a5e19c247db Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 22:28:16 +0900
Subject: [PATCH 22/31] =?UTF-8?q?Refactor[]:=20=EB=B3=80=EA=B2=BD=20UI?=
 =?UTF-8?q?=EC=84=B8=ED=8C=85=20=ED=95=A8=EC=88=98=EB=AA=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

UISetting에서 setupUI로 변경
---
 app/src/main/java/campus/tech/kakao/map/MainActivity.kt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index 2fc455ae..ee51bdac 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -26,7 +26,7 @@ class MainActivity : AppCompatActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
-        UISetting()
+        setupUI()
         searchResult.layoutManager = LinearLayoutManager(this)
         searchWordResult.layoutManager = LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
         
@@ -67,7 +67,7 @@ class MainActivity : AppCompatActivity() {
 
     }
 
-    fun UISetting(){
+    fun setupUI(){
         search = findViewById(R.id.search)
         clear = findViewById(R.id.search_clear)
         noResult = findViewById(R.id.no_search_result)

From 2bfa7813c16ce4cbe20626e11896278071f7fd6d Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 22:30:11 +0900
Subject: [PATCH 23/31] =?UTF-8?q?Comment[MainActivity]:=20=EC=82=AD?=
 =?UTF-8?q?=EC=A0=9C=20=ED=85=8C=EC=8A=A4=ED=8A=B8=EC=9A=A9=20=EB=A1=9C?=
 =?UTF-8?q?=EA=B7=B8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/MainActivity.kt | 2 --
 1 file changed, 2 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index ee51bdac..be53094d 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -56,12 +56,10 @@ class MainActivity : AppCompatActivity() {
         model.wordList.observe(this, Observer {
             if (it.isNullOrEmpty()){
                 searchWordResult.visibility = View.GONE
-                Log.d("testt", "null")
             }
             else{
                 searchWordResult.visibility = View.VISIBLE
                 searchWordResult.adapter = WordAdapter(it, model)
-                Log.d("testt", it[0].name)
             }
         })
 

From b868cb33ff1facea901d0521923fb80231927757 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 22:33:29 +0900
Subject: [PATCH 24/31] =?UTF-8?q?Refactor[MainActivity]:=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=20warning=20=EB=B6=80=EB=B6=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/MainActivity.kt | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index be53094d..4d013fc2 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -1,9 +1,6 @@
 package campus.tech.kakao.map
 
 import android.os.Bundle
-import android.text.Editable
-import android.text.TextWatcher
-import android.util.Log
 import android.view.View
 import android.widget.EditText
 import android.widget.TextView
@@ -32,7 +29,7 @@ class MainActivity : AppCompatActivity() {
         
         search.doOnTextChanged { text, start, before, count ->
             val query = text.toString()
-            if (query.isNullOrEmpty()){
+            if (query.isEmpty()){
                 noResult.visibility = View.VISIBLE
                 searchResult.visibility = View.GONE
             }else{
@@ -41,7 +38,7 @@ class MainActivity : AppCompatActivity() {
                 model.search(query)
             }
         }
-        model = ViewModelProvider(this).get(MainViewModel::class.java)
+        model = ViewModelProvider(this)[MainViewModel::class.java]
         model.placeList.observe(this, Observer {
             if (it.isNullOrEmpty()){
                 noResult.visibility = View.VISIBLE

From 326f7118cf9e44741ce9f5e67515452f3dbd17e7 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 22:39:14 +0900
Subject: [PATCH 25/31] =?UTF-8?q?Refactor[]:=20=EB=B3=80=EA=B2=BD=20place?=
 =?UTF-8?q?=EC=99=80=20word=20=EB=9D=BC=EC=9D=B4=EB=B8=8C=EB=8D=B0?=
 =?UTF-8?q?=EC=9D=B4=ED=84=B0=20=ED=83=80=EC=9E=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

MutableList에서 List로 변경
---
 app/src/main/java/campus/tech/kakao/map/MainViewModel.kt      | 4 ++--
 app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt       | 2 +-
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt      | 2 +-
 app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt | 2 +-
 app/src/main/java/campus/tech/kakao/map/WordAdapter.kt        | 2 +-
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
index 08fc36d7..01a93984 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -9,10 +9,10 @@ import androidx.lifecycle.ViewModel
 
 class MainViewModel(application: Application): AndroidViewModel(application) {
 	private val placeDbHelper = PlaceDbHelper(application)
-	val placeList: LiveData<MutableList<Place>> get() =  placeDbHelper._place
+	val placeList: LiveData<List<Place>> get() =  placeDbHelper._place
 
 	private val wordDbHelper = SearchWordDbHelper(application)
-	val wordList: LiveData<MutableList<SearchWord>> get() =  wordDbHelper._searchWords
+	val wordList: LiveData<List<SearchWord>> get() =  wordDbHelper._searchWords
 
 	fun insertInitData(){
 		if (!placeDbHelper.existData()){
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
index e6e68fd4..5e7fb611 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
@@ -8,7 +8,7 @@ import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
 
 class PlaceAdapter(
-	val placeList: MutableList<Place>,
+	val placeList: List<Place>,
 	val viewModel: MainViewModel
 ): RecyclerView.Adapter<PlaceAdapter.ViewHolder>() {
 	inner class ViewHolder(
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 90a2dfbf..72b7d2bc 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -8,7 +8,7 @@ import androidx.lifecycle.MutableLiveData
 
 class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 	context, PlaceContract.DB_NAME, null, 2) {
-	val _place = MutableLiveData<MutableList<Place>>()
+	val _place = MutableLiveData<List<Place>>()
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
 				"(${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
index a4b39376..203f4277 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -9,7 +9,7 @@ import androidx.lifecycle.MutableLiveData
 
 class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 	context, SearchWordContract.DB_NAME, null, 1) {
-	val _searchWords = MutableLiveData<MutableList<SearchWord>>()
+	val _searchWords = MutableLiveData<List<SearchWord>>()
 	val searchSameSelection = "${SearchWordContract.COLUMN_NAME_NAME} = ? AND " +
 			"${SearchWordContract.COLUMN_NAME_ADDRESS} = ? AND " +
 			"${SearchWordContract.COLUMN_NAME_TYPE} = ?"
diff --git a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
index 42b6f5b1..6690ed93 100644
--- a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
@@ -9,7 +9,7 @@ import android.widget.TextView
 import androidx.recyclerview.widget.RecyclerView
 
 class WordAdapter(
-	val wordList: MutableList<SearchWord>,
+	val wordList: List<SearchWord>,
 	val viewModel: MainViewModel
 ): RecyclerView.Adapter<WordAdapter.ViewHolder>() {
 	inner class ViewHolder(

From 3dcef652adcbc1518c7f3868dfc1b7d268f20553 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 23:01:55 +0900
Subject: [PATCH 26/31] =?UTF-8?q?Refactor[]:=20=EC=82=AD=EC=A0=9C=20?=
 =?UTF-8?q?=ED=95=84=EC=9A=94=20=EC=97=86=EB=8A=94=20import,=20=EB=B3=80?=
 =?UTF-8?q?=EA=B2=BD=20WordfromPlace=20=ED=95=A8=EC=88=98=20=EC=9D=B4?=
 =?UTF-8?q?=EB=A6=84?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/MainViewModel.kt  | 8 +++-----
 app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt   | 1 -
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt  | 2 +-
 .../main/java/campus/tech/kakao/map/SearchWordDbHelper.kt | 3 +--
 app/src/main/java/campus/tech/kakao/map/WordAdapter.kt    | 1 -
 5 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
index 01a93984..320f347e 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -1,11 +1,8 @@
 package campus.tech.kakao.map
 
 import android.app.Application
-import android.util.Log
 import androidx.lifecycle.AndroidViewModel
 import androidx.lifecycle.LiveData
-import androidx.lifecycle.MutableLiveData
-import androidx.lifecycle.ViewModel
 
 class MainViewModel(application: Application): AndroidViewModel(application) {
 	private val placeDbHelper = PlaceDbHelper(application)
@@ -14,6 +11,7 @@ class MainViewModel(application: Application): AndroidViewModel(application) {
 	private val wordDbHelper = SearchWordDbHelper(application)
 	val wordList: LiveData<List<SearchWord>> get() =  wordDbHelper._searchWords
 
+	//초기에 데이터 삽입을 위해 1번 사용
 	fun insertInitData(){
 		if (!placeDbHelper.existData()){
 			for(i in 1..10){
@@ -29,10 +27,10 @@ class MainViewModel(application: Application): AndroidViewModel(application) {
 	}
 
 	fun addWord(place: Place){
-		wordDbHelper.addWord(WordfromPlace(place))
+		wordDbHelper.addWord(wordfromPlace(place))
 	}
 
-	fun WordfromPlace(place: Place):SearchWord{
+	private fun wordfromPlace(place: Place):SearchWord{
 		return SearchWord(place.name, place.address, place.type)
 	}
 	fun deleteWord(word: SearchWord){
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
index 5e7fb611..8672642d 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
@@ -1,6 +1,5 @@
 package campus.tech.kakao.map
 
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 72b7d2bc..5a4a2dc0 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -70,7 +70,7 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 
 	fun searchPlaceName(name: String){
 		val resultList = mutableListOf<Place>()
-		var searchResult = "%${name}%"
+		val searchResult = "%${name}%"
 		val cursor = readableDatabase.query(
 			PlaceContract.TABLE_NAME,
 			arrayOf(PlaceContract.COLUMN_NAME_NAME,
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
index 203f4277..880c602b 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -4,7 +4,6 @@ import android.content.ContentValues
 import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
-import android.util.Log
 import androidx.lifecycle.MutableLiveData
 
 class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
@@ -84,7 +83,7 @@ class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 
 	fun updateSearchWords(){
 		val db = readableDatabase
-		var resultList = mutableListOf<SearchWord>()
+		val resultList = mutableListOf<SearchWord>()
 		val cursor = db.query(
 			SearchWordContract.TABLE_NAME,
 			arrayOf(SearchWordContract.COLUMN_NAME_NAME, SearchWordContract.COLUMN_NAME_ADDRESS, SearchWordContract.COLUMN_NAME_TYPE),
diff --git a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
index 6690ed93..8f384f1a 100644
--- a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
@@ -1,6 +1,5 @@
 package campus.tech.kakao.map
 
-import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup

From ac3814646fa35d9eb7a52384f7d64d7786986575 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 23:06:20 +0900
Subject: [PATCH 27/31] =?UTF-8?q?Refactor[]:=20=EB=B3=80=EA=B2=BD=20=5Fpla?=
 =?UTF-8?q?ce,=20=5FsearchWords=20=ED=83=80=EC=9E=85?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

두 변수를 private 선언하고, get 함수를 만들어 줌.
---
 app/src/main/java/campus/tech/kakao/map/MainViewModel.kt    | 4 ++--
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt    | 6 +++++-
 .../main/java/campus/tech/kakao/map/SearchWordDbHelper.kt   | 6 +++++-
 3 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
index 320f347e..fd7e3919 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainViewModel.kt
@@ -6,10 +6,10 @@ import androidx.lifecycle.LiveData
 
 class MainViewModel(application: Application): AndroidViewModel(application) {
 	private val placeDbHelper = PlaceDbHelper(application)
-	val placeList: LiveData<List<Place>> get() =  placeDbHelper._place
+	val placeList: LiveData<List<Place>> get() =  placeDbHelper.getPlace()
 
 	private val wordDbHelper = SearchWordDbHelper(application)
-	val wordList: LiveData<List<SearchWord>> get() =  wordDbHelper._searchWords
+	val wordList: LiveData<List<SearchWord>> get() =  wordDbHelper.getSearchWords()
 
 	//초기에 데이터 삽입을 위해 1번 사용
 	fun insertInitData(){
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 5a4a2dc0..671f9439 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -8,7 +8,7 @@ import androidx.lifecycle.MutableLiveData
 
 class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 	context, PlaceContract.DB_NAME, null, 2) {
-	val _place = MutableLiveData<List<Place>>()
+	private val _place = MutableLiveData<List<Place>>()
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
 				"(${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
@@ -21,6 +21,10 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 		onCreate(db)
 	}
 
+	fun getPlace(): MutableLiveData<List<Place>> {
+		return _place
+	}
+
 	fun addPlace(place: Place) {
 		val db = writableDatabase
 		if (!existPlace(place, db)){
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
index 880c602b..707412bf 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -8,7 +8,7 @@ import androidx.lifecycle.MutableLiveData
 
 class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 	context, SearchWordContract.DB_NAME, null, 1) {
-	val _searchWords = MutableLiveData<List<SearchWord>>()
+	private val _searchWords = MutableLiveData<List<SearchWord>>()
 	val searchSameSelection = "${SearchWordContract.COLUMN_NAME_NAME} = ? AND " +
 			"${SearchWordContract.COLUMN_NAME_ADDRESS} = ? AND " +
 			"${SearchWordContract.COLUMN_NAME_TYPE} = ?"
@@ -26,6 +26,10 @@ class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 		onCreate(db)
 	}
 
+	fun getSearchWords(): MutableLiveData<List<SearchWord>> {
+		return _searchWords
+	}
+
 	fun addWord(word: SearchWord) {
 		val db = writableDatabase
 		if (existWord(word, db)){

From 8d5bdd763bfa47bfd3332f4d32b8d442d16e7f45 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 23:10:01 +0900
Subject: [PATCH 28/31] =?UTF-8?q?Refactor[]:=20=EC=B6=94=EA=B0=80=20DB=20V?=
 =?UTF-8?q?ersion=20=EC=83=81=EC=88=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/campus/tech/kakao/map/PlaceContract.kt      | 1 +
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt      | 3 ++-
 app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt | 1 +
 app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt | 3 ++-
 4 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt b/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
index 1041d382..44c0cd4d 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceContract.kt
@@ -4,6 +4,7 @@ import android.provider.BaseColumns
 
 object PlaceContract:BaseColumns {
 	const val DB_NAME = "place.db"
+	const val DB_VERSION = 2
 	const val TABLE_NAME = "place"
 	const val COLUMN_NAME_NAME = "name"
 	const val COLUMN_NAME_ADDRESS = "address"
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index 671f9439..f8debd73 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -5,9 +5,10 @@ import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 import androidx.lifecycle.MutableLiveData
+import campus.tech.kakao.map.PlaceContract.DB_VERSION
 
 class PlaceDbHelper(context: Context):SQLiteOpenHelper(
-	context, PlaceContract.DB_NAME, null, 2) {
+	context, PlaceContract.DB_NAME, null, DB_VERSION) {
 	private val _place = MutableLiveData<List<Place>>()
 	override fun onCreate(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt
index a5e58b99..9e28ec13 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordContract.kt
@@ -2,6 +2,7 @@ package campus.tech.kakao.map
 
 object SearchWordContract {
 	const val DB_NAME = "search_word.db"
+	const val DB_VERSION = 1
 	const val TABLE_NAME = "SearchWord"
 	const val COLUMN_NAME_NAME = "name"
 	const val COLUMN_NAME_ADDRESS = "address"
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
index 707412bf..0d9e0e6a 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -5,9 +5,10 @@ import android.content.Context
 import android.database.sqlite.SQLiteDatabase
 import android.database.sqlite.SQLiteOpenHelper
 import androidx.lifecycle.MutableLiveData
+import campus.tech.kakao.map.SearchWordContract.DB_VERSION
 
 class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
-	context, SearchWordContract.DB_NAME, null, 1) {
+	context, SearchWordContract.DB_NAME, null, DB_VERSION) {
 	private val _searchWords = MutableLiveData<List<SearchWord>>()
 	val searchSameSelection = "${SearchWordContract.COLUMN_NAME_NAME} = ? AND " +
 			"${SearchWordContract.COLUMN_NAME_ADDRESS} = ? AND " +

From 083eeb6e26a454f2e56a95c2ce6a0035fc2962b1 Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Sun, 7 Jul 2024 23:13:41 +0900
Subject: [PATCH 29/31] =?UTF-8?q?Refactor[]:=20=EC=B6=94=EA=B0=80=20create?=
 =?UTF-8?q?Table?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

onCreate의 테이블 생성 sql 부분을 따로 함수로 분리.
---
 app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt    | 5 ++++-
 .../main/java/campus/tech/kakao/map/SearchWordDbHelper.kt   | 6 +++++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
index f8debd73..8c19c4e6 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceDbHelper.kt
@@ -11,6 +11,9 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 	context, PlaceContract.DB_NAME, null, DB_VERSION) {
 	private val _place = MutableLiveData<List<Place>>()
 	override fun onCreate(db: SQLiteDatabase?) {
+		createTable(db)
+	}
+	private fun createTable(db: SQLiteDatabase?) {
 		db?.execSQL("CREATE TABLE ${PlaceContract.TABLE_NAME} " +
 				"(${PlaceContract.COLUMN_NAME_NAME} TEXT, " +
 				"${PlaceContract.COLUMN_NAME_ADDRESS} TEXT, " +
@@ -19,7 +22,7 @@ class PlaceDbHelper(context: Context):SQLiteOpenHelper(
 
 	override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
 		db?.execSQL("DROP TABLE IF EXISTS ${PlaceContract.TABLE_NAME}")
-		onCreate(db)
+		createTable(db)
 	}
 
 	fun getPlace(): MutableLiveData<List<Place>> {
diff --git a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
index 0d9e0e6a..cb98b5d6 100644
--- a/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
+++ b/app/src/main/java/campus/tech/kakao/map/SearchWordDbHelper.kt
@@ -14,6 +14,10 @@ class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 			"${SearchWordContract.COLUMN_NAME_ADDRESS} = ? AND " +
 			"${SearchWordContract.COLUMN_NAME_TYPE} = ?"
 	override fun onCreate(db: SQLiteDatabase?) {
+		createTable(db)
+	}
+
+	private fun createTable(db: SQLiteDatabase?) {
 		db?.execSQL(
 			"CREATE TABLE ${SearchWordContract.TABLE_NAME} " +
 					"(${SearchWordContract.COLUMN_NAME_NAME} TEXT, " +
@@ -24,7 +28,7 @@ class SearchWordDbHelper(context: Context): SQLiteOpenHelper(
 
 	override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
 		db?.execSQL("DROP TABLE IF EXISTS ${SearchWordContract.TABLE_NAME}")
-		onCreate(db)
+		createTable(db)
 	}
 
 	fun getSearchWords(): MutableLiveData<List<SearchWord>> {

From de4f9f0c71f3b4d67c0bdbb3c9bfba07b109379b Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Mon, 8 Jul 2024 00:02:50 +0900
Subject: [PATCH 30/31] =?UTF-8?q?Refactor[]:=20=EB=B3=80=EA=B2=BD=20?=
 =?UTF-8?q?=EC=96=B4=EB=8C=91=ED=84=B0=20=ED=81=B4=EB=A6=AD=EB=A6=AC?=
 =?UTF-8?q?=EC=8A=A4=EB=84=88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

어댑터들의 클릭 리스너를 메인 액티비티에서 받게끔 변경
---
 .../main/java/campus/tech/kakao/map/MainActivity.kt   | 11 +++++++++--
 .../main/java/campus/tech/kakao/map/PlaceAdapter.kt   |  4 ++--
 .../main/java/campus/tech/kakao/map/WordAdapter.kt    |  6 +++---
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index 4d013fc2..b140b355 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -46,7 +46,9 @@ class MainActivity : AppCompatActivity() {
             }else{
                 noResult.visibility = View.GONE
                 searchResult.visibility = View.VISIBLE
-                searchResult.adapter = PlaceAdapter(it, model)
+                searchResult.adapter = PlaceAdapter(it){ Place ->
+                    model.addWord(Place)
+                }
             }
         })
         model.loadWord()
@@ -56,7 +58,11 @@ class MainActivity : AppCompatActivity() {
             }
             else{
                 searchWordResult.visibility = View.VISIBLE
-                searchWordResult.adapter = WordAdapter(it, model)
+                searchWordResult.adapter = WordAdapter(it) { SearchWord ->
+                    model.deleteWord(
+                        SearchWord
+                    )
+                }
             }
         })
 
@@ -73,4 +79,5 @@ class MainActivity : AppCompatActivity() {
         }
     }
 
+
 }
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
index 8672642d..3c4e8908 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
@@ -8,7 +8,7 @@ import androidx.recyclerview.widget.RecyclerView
 
 class PlaceAdapter(
 	val placeList: List<Place>,
-	val viewModel: MainViewModel
+	val onItemClicked: (Place) -> Unit
 ): RecyclerView.Adapter<PlaceAdapter.ViewHolder>() {
 	inner class ViewHolder(
 		itemView: View
@@ -20,7 +20,7 @@ class PlaceAdapter(
 			itemView.setOnClickListener {
 				val position:Int = bindingAdapterPosition
 				val place:Place = placeList[position]
-				viewModel.addWord(place)
+				onItemClicked(place)
 			}
 		}
 	}
diff --git a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
index 8f384f1a..c5f61c8a 100644
--- a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
@@ -9,7 +9,7 @@ import androidx.recyclerview.widget.RecyclerView
 
 class WordAdapter(
 	val wordList: List<SearchWord>,
-	val viewModel: MainViewModel
+	val onItemClicked: (SearchWord) -> Unit
 ): RecyclerView.Adapter<WordAdapter.ViewHolder>() {
 	inner class ViewHolder(
 		itemView: View
@@ -18,9 +18,9 @@ class WordAdapter(
 		val delete: ImageView = itemView.findViewById(R.id.x)
 		init {
 			delete.setOnClickListener {
-				val position:Int = bindingAdapterPosition
+				val position = bindingAdapterPosition
 				val word:SearchWord = wordList[position]
-				viewModel.deleteWord(word)
+				onItemClicked(word)
 			}
 		}
 	}

From c0f5b5b097880ee6e0a9f3b982c56e980540c1da Mon Sep 17 00:00:00 2001
From: jmc98 <jmc0820@naver.com>
Date: Mon, 8 Jul 2024 14:43:12 +0900
Subject: [PATCH 31/31] =?UTF-8?q?Refactor[]:=20=EB=B3=80=EA=B2=BD=20?=
 =?UTF-8?q?=EC=96=B4=EB=8C=91=ED=84=B0=EC=97=90=20ListAdapter=20=EC=82=AC?=
 =?UTF-8?q?=EC=9A=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md                                     |  8 ++++
 .../campus/tech/kakao/map/MainActivity.kt     | 10 ++++-
 .../campus/tech/kakao/map/PlaceAdapter.kt     | 37 +++++++++++++------
 .../java/campus/tech/kakao/map/WordAdapter.kt | 32 +++++++++++-----
 4 files changed, 64 insertions(+), 23 deletions(-)

diff --git a/README.md b/README.md
index caa1593b..5e33e3b7 100644
--- a/README.md
+++ b/README.md
@@ -28,6 +28,14 @@
 - 검색 결과 목록은 리사이클러뷰를 사용한다.
 - 가능한 MVVM 아키텍처 패턴을 적용하도록 한다.
 
+# 3단계
+
+## 기능 요구 사항
+- 저장된 검색어 목록은 RecyclerView로 구현하고 검색 결과는 ListView로 구현해 보세요.
+
+## 프로그래밍 요구 사항
+- ListView 사용 시 재사용 가능한 뷰를 최대한 재사용할 수 있도록 구현한다.
+
 ## 이미지 출처
 - 위치 마커 아이콘 제작자: bsd - Flaticon
 - 문자 x 아이콘 제작자: Freepik - Flaticon
diff --git a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
index b140b355..cf86a821 100644
--- a/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
+++ b/app/src/main/java/campus/tech/kakao/map/MainActivity.kt
@@ -19,6 +19,8 @@ class MainActivity : AppCompatActivity() {
     private lateinit var noResult: TextView
     private lateinit var searchResult: RecyclerView
     private lateinit var searchWordResult: RecyclerView
+    private lateinit var placeAdapter: PlaceAdapter
+    private lateinit var wordAdapter: WordAdapter
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
@@ -46,9 +48,11 @@ class MainActivity : AppCompatActivity() {
             }else{
                 noResult.visibility = View.GONE
                 searchResult.visibility = View.VISIBLE
-                searchResult.adapter = PlaceAdapter(it){ Place ->
+                placeAdapter = PlaceAdapter(){ Place ->
                     model.addWord(Place)
                 }
+                placeAdapter.submitList(it)
+                searchResult.adapter = placeAdapter
             }
         })
         model.loadWord()
@@ -58,11 +62,13 @@ class MainActivity : AppCompatActivity() {
             }
             else{
                 searchWordResult.visibility = View.VISIBLE
-                searchWordResult.adapter = WordAdapter(it) { SearchWord ->
+                wordAdapter = WordAdapter() { SearchWord ->
                     model.deleteWord(
                         SearchWord
                     )
                 }
+                wordAdapter.submitList(it)
+                searchWordResult.adapter = wordAdapter
             }
         })
 
diff --git a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
index 3c4e8908..6be747ca 100644
--- a/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/PlaceAdapter.kt
@@ -4,12 +4,30 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.TextView
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 
 class PlaceAdapter(
-	val placeList: List<Place>,
 	val onItemClicked: (Place) -> Unit
-): RecyclerView.Adapter<PlaceAdapter.ViewHolder>() {
+): ListAdapter<Place, PlaceAdapter.ViewHolder>(
+	object : DiffUtil.ItemCallback<Place>(){
+		override fun areItemsTheSame(oldItem: Place, newItem: Place): Boolean {
+			return (oldItem.name == newItem.name)
+					&& (oldItem.address == newItem.address)
+					&& (oldItem.type == newItem.type)
+		}
+
+		override fun areContentsTheSame(oldItem: Place, newItem: Place): Boolean {
+			return oldItem == newItem
+		}
+
+	}
+) {
+	private var placeClicked = { position:Int ->
+		val place:Place = getItem(position)
+		onItemClicked(place)
+	}
 	inner class ViewHolder(
 		itemView: View
 	): RecyclerView.ViewHolder(itemView) {
@@ -18,9 +36,7 @@ class PlaceAdapter(
 		val type:TextView = itemView.findViewById(R.id.type)
 		init {
 			itemView.setOnClickListener {
-				val position:Int = bindingAdapterPosition
-				val place:Place = placeList[position]
-				onItemClicked(place)
+				placeClicked(bindingAdapterPosition)
 			}
 		}
 	}
@@ -29,14 +45,11 @@ class PlaceAdapter(
 		return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.place_item, parent, false))
 	}
 
-	override fun getItemCount(): Int {
-		return placeList.size
-	}
-
 	override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-		holder.name.text = placeList[position].name
-		holder.address.text = placeList[position].address
-		holder.type.text = placeList[position].type
+		val place:Place = getItem(position)
+		holder.name.text = place.name
+		holder.address.text = place.address
+		holder.type.text = place.type
 	}
 }
 
diff --git a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
index c5f61c8a..b1c910e5 100644
--- a/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
+++ b/app/src/main/java/campus/tech/kakao/map/WordAdapter.kt
@@ -5,12 +5,26 @@ import android.view.View
 import android.view.ViewGroup
 import android.widget.ImageView
 import android.widget.TextView
+import androidx.recyclerview.widget.DiffUtil
+import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 
 class WordAdapter(
-	val wordList: List<SearchWord>,
 	val onItemClicked: (SearchWord) -> Unit
-): RecyclerView.Adapter<WordAdapter.ViewHolder>() {
+): ListAdapter<SearchWord, WordAdapter.ViewHolder>(
+	object : DiffUtil.ItemCallback<SearchWord>(){
+		override fun areItemsTheSame(oldItem: SearchWord, newItem: SearchWord): Boolean {
+			return (oldItem.name == newItem.name)
+					&& (oldItem.address == newItem.address)
+					&& (oldItem.type == newItem.type)
+		}
+
+		override fun areContentsTheSame(oldItem: SearchWord, newItem: SearchWord): Boolean {
+			return oldItem == newItem
+		}
+
+	}
+) {
 	inner class ViewHolder(
 		itemView: View
 	): RecyclerView.ViewHolder(itemView) {
@@ -18,9 +32,7 @@ class WordAdapter(
 		val delete: ImageView = itemView.findViewById(R.id.x)
 		init {
 			delete.setOnClickListener {
-				val position = bindingAdapterPosition
-				val word:SearchWord = wordList[position]
-				onItemClicked(word)
+				deletedWords(bindingAdapterPosition)
 			}
 		}
 	}
@@ -29,11 +41,13 @@ class WordAdapter(
 		return ViewHolder(LayoutInflater.from(parent.context).inflate(R.layout.word_item, parent, false))
 	}
 
-	override fun getItemCount(): Int {
-		return wordList.size
+	override fun onBindViewHolder(holder: ViewHolder, position: Int) {
+		val word = getItem(position)
+		holder.searchWord.text = word.name
 	}
 
-	override fun onBindViewHolder(holder: ViewHolder, position: Int) {
-		holder.searchWord.text = wordList[position].name
+	private val deletedWords = { position:Int ->
+		val word = getItem(position)
+		onItemClicked(word)
 	}
 }
\ No newline at end of file