전남대 Android_오진우_2주차 과제_Step1

README.md

@@ -1 +1,10 @@
-# android-map-keyword
+# 2주차 - android-map-keyword
+## step1 구현할 기능 목록
+
+**UI 관련 기능**
+- [x] 검색어를 입력할 수 있는 칸 구현
+- [x] 검색 결과를 표시할 수 있는 칸 구현
+- [ ] 저장된 검색 결과를 표시할 수 있는 칸 구현
+
+**DB 관련 기능**
+- [ ]  장소의 이름, 장소의 위치. 장소 카테고리를 저장할 수 있는 데이터베이스 구

app/src/main/AndroidManifest.xml

@@ -13,7 +13,7 @@
         android:theme="@style/Theme.Map"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name=".view.MainActivity"
             android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />

app/src/main/java/campus/tech/kakao/map/db/PlaceContract.kt

@@ -0,0 +1,12 @@
+package campus.tech.kakao.map.db
+
+import android.provider.BaseColumns
+
+object PlaceContract{
+    object PlaceEntry : BaseColumns {
+        const val TABLE_NAME = "PLACE"
+        const val COLUMN_NAME = "NAME"
+        const val COLUMN_LOCATION = "LOCATION"
+        const val COLUMN_CATEGORY = "CATEGORY"
+    }
+}

app/src/main/java/campus/tech/kakao/map/db/PlaceDBHelper.kt

@@ -0,0 +1,50 @@
+package campus.tech.kakao.map.db
+
+import android.content.ContentValues
+import android.content.Context
+import android.database.Cursor
+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.PlaceEntry.TABLE_NAME}( " +
+            " ${PlaceContract.PlaceEntry.COLUMN_NAME} varchar(60) not null ," +
+            " ${PlaceContract.PlaceEntry.COLUMN_LOCATION} varchar(255) not null, " +
+            " ${PlaceContract.PlaceEntry.COLUMN_CATEGORY} varchar(30) );"
+        )
+    }
+
+    override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) {
+        db?.execSQL("DROP TABLE IF EXISTS ${PlaceContract.PlaceEntry.TABLE_NAME};")
+        onCreate(db)
+    }
+
+    fun insertDummyData(){
+        val name = "카페"
+        val category = "카페"
+        val location = "서울 성동구 성수동"
+        for(i in 1..10){
+            insertData(name + i, location + i, category)
+        }
+        readData()
+    }
+
+    fun insertData(name: String, location: String, category: String) {
+        val db = this.writableDatabase
+        val values = ContentValues().apply {
+            put(PlaceContract.PlaceEntry.COLUMN_NAME, name)
+            put(PlaceContract.PlaceEntry.COLUMN_LOCATION, location)
+            put(PlaceContract.PlaceEntry.COLUMN_CATEGORY, category)
+        }
+        db.insert(PlaceContract.PlaceEntry.TABLE_NAME, null, values)
+    }
+
+    fun readData(): Cursor {
+        val rDb = this.readableDatabase
+
+        return rDb.rawQuery("SELECT * FROM ${PlaceContract.PlaceEntry.TABLE_NAME};", null)
+    }
+}

app/src/main/java/campus/tech/kakao/map/model/Place.kt

@@ -0,0 +1,7 @@
+package campus.tech.kakao.map.model
+
+data class Place(
+    val name : String,
+    val location : String,
+    val category : String
+)

app/src/main/java/campus/tech/kakao/map/repository/Repository.kt

@@ -0,0 +1,36 @@
+package campus.tech.kakao.map.repository
+
+import android.util.Log
+import campus.tech.kakao.map.db.PlaceContract
+import campus.tech.kakao.map.db.PlaceDBHelper
+import campus.tech.kakao.map.model.Place
+
+class Repository (val dbHelper: PlaceDBHelper){
+    fun getAllPlace() : MutableList<Place>{
+        val cursor = dbHelper.readData()
+        val result = mutableListOf<Place>()
+
+        while (cursor.moveToNext()) {
+            val place = Place(
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(PlaceContract.PlaceEntry.COLUMN_NAME)
+                ),
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(PlaceContract.PlaceEntry.COLUMN_LOCATION)
+                ),
+                cursor.getString(
+                    cursor.getColumnIndexOrThrow(PlaceContract.PlaceEntry.COLUMN_CATEGORY)
+                )
+            )
+            Log.d("readData", "이름 = ${place.name}, 위치 = ${place.location}, 분류 = ${place.category}")
+            result.add(place)
+        }
+
+        cursor.close()
+        return result
+    }
+
+    fun writePlace(place: Place){
+        dbHelper.insertData(place.name, place.location, place.category)
+    }
+}

app/src/main/java/campus/tech/kakao/map/view/MainActivity.kt

@@ -0,0 +1,21 @@
+package campus.tech.kakao.map.view
+
+import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.lifecycle.ViewModelProvider
+import campus.tech.kakao.map.db.PlaceDBHelper
+import campus.tech.kakao.map.R
+import campus.tech.kakao.map.repository.Repository
+import campus.tech.kakao.map.viewmodel.MainActivityViewModel
+import campus.tech.kakao.map.viewmodel.ViewModelFactory
+
+class MainActivity : AppCompatActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+        val dbHelper = PlaceDBHelper(this)
+        val repository = Repository(dbHelper)
+        val viewModel = ViewModelProvider(this, ViewModelFactory(repository))[MainActivityViewModel::class.java]
+        viewModel.getPlace()
+    }
+}

app/src/main/java/campus/tech/kakao/map/viewmodel/MainActivityViewModel.kt

@@ -0,0 +1,10 @@
+package campus.tech.kakao.map.viewmodel
+
+import androidx.lifecycle.ViewModel
+import campus.tech.kakao.map.repository.Repository
+
+class MainActivityViewModel (private val repository: Repository) : ViewModel() {
+    fun getPlace(){
+        repository.getAllPlace()
+    }
+}

app/src/main/java/campus/tech/kakao/map/viewmodel/ViewModelFactory.kt

@@ -0,0 +1,14 @@
+package campus.tech.kakao.map.viewmodel
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.ViewModelProvider
+import campus.tech.kakao.map.repository.Repository
+
+class ViewModelFactory(private val repository: Repository) : ViewModelProvider.Factory {
+    override fun <T : ViewModel> create(modelClass: Class<T>): T {
+        if(modelClass.isAssignableFrom(MainActivityViewModel::class.java)){
+            return MainActivityViewModel(repository) as T
+        }
+        throw IllegalArgumentException("unKnown ViewModel class")
+    }
+}

app/src/main/res/layout/activity_main.xml

@@ -5,15 +5,62 @@
     android:id="@+id/main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
+    tools:context=".view.MainActivity">
+
+    <androidx.appcompat.widget.AppCompatEditText
+        android:id="@+id/input_search_field"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:hint="@string/search_hint"
+        android:layout_marginHorizontal="10dp"
+        android:layout_marginTop="10dp"
+        android:paddingHorizontal="10dp"
+        />
+    <ImageView
+        android:id="@+id/button_X"
+        android:layout_width="30dp"
+        android:layout_height="30dp"
+        app:layout_constraintBottom_toBottomOf="@+id/input_search_field"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:layout_marginBottom="10dp"
+        android:layout_marginEnd="20dp"
+        android:src="@android:drawable/ic_menu_close_clear_cancel"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/saved_search_recyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        app:layout_constraintTop_toBottomOf="@+id/input_search_field"
+        app:layout_constraintBottom_toTopOf="@id/search_result_recyclerView"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        android:visibility="gone"
+        />
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/search_result_recyclerView"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintTop_toBottomOf="@+id/saved_search_recyclerView"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        />
 
     <TextView
+        android:id="@+id/no_search_result"
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
-        android:text="Hello World!"
+        app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintEnd_toEndOf="parent"
+        android:text="@string/no_search_result"
+        android:textSize="18sp"
+        android:textColor="#737373"
+        />
 
 </androidx.constraintlayout.widget.ConstraintLayout>

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>