refactor: Apply DataBinding in MapActivity and PlaceActivity

kakao-tech-campus-2nd-step2 · Jul 22, 2024 · 88aa1f9 · 88aa1f9
1 parent 80757f5
commit 88aa1f9
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Showing 5 changed files with 164 additions and 171 deletions.
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
@@ -39,6 +39,7 @@ android {
 
     buildFeatures {
         viewBinding = true
+        dataBinding = true
         buildConfig = true
     }
 }

diff --git a/app/src/main/java/campus/tech/kakao/map/ui/MapActivity.kt b/app/src/main/java/campus/tech/kakao/map/ui/MapActivity.kt
@@ -4,17 +4,18 @@ import android.content.Intent
 import android.content.SharedPreferences
 import android.content.SharedPreferences.Editor
 import android.os.Bundle
-import android.widget.EditText
 import android.widget.ImageButton
 import android.widget.TextView
 import android.widget.Toast
 import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
 import campus.tech.kakao.map.R
+import campus.tech.kakao.map.databinding.ErrorLayoutBinding
+import campus.tech.kakao.map.databinding.MapLayoutBinding
 import com.kakao.vectormap.KakaoMap
 import com.kakao.vectormap.KakaoMapReadyCallback
 import com.kakao.vectormap.LatLng
 import com.kakao.vectormap.MapLifeCycleCallback
-import com.kakao.vectormap.MapView
 import com.kakao.vectormap.camera.CameraAnimation
 import com.kakao.vectormap.camera.CameraUpdateFactory
 import com.kakao.vectormap.label.LabelManager
@@ -23,9 +24,8 @@ import com.kakao.vectormap.label.LabelStyle
 import com.kakao.vectormap.label.LabelStyles
 
 class MapActivity : AppCompatActivity() {
-
-    lateinit var mapView: MapView
-    lateinit var etSearch: EditText
+    lateinit var mapBinding: MapLayoutBinding
+    lateinit var errorBinding: ErrorLayoutBinding
     private lateinit var labelManager: LabelManager
     private val startZoomLevel = 15
     var latitude: String? = "35.234"
@@ -140,27 +140,25 @@ class MapActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.map_layout)
-        mapView = findViewById(R.id.mapView)
-        etSearch = findViewById(R.id.etSearch)
-        mapView.start(lifeCycleCallback, readyCallback)
-        etSearch.setOnClickListener {
+        mapBinding = DataBindingUtil.setContentView(this, R.layout.map_layout)
+        mapBinding.mapView.start(lifeCycleCallback, readyCallback)
+        mapBinding.etSearch.setOnClickListener {
             val searchIntent = Intent(this, PlaceActivity::class.java)
             startActivity(searchIntent)
         }
     }
 
     override fun onResume() {
         super.onResume()
-        mapView.resume()
+        mapBinding.mapView.resume()
     }
 
     override fun onPause() {
         super.onPause()
-        mapView.pause()
+        mapBinding.mapView.pause()
     }
 
     private fun initializeMap() {
-        mapView.start(lifeCycleCallback, readyCallback)
+        mapBinding.mapView.start(lifeCycleCallback, readyCallback)
     }
 }
diff --git a/app/src/main/java/campus/tech/kakao/map/ui/PlaceActivity.kt b/app/src/main/java/campus/tech/kakao/map/ui/PlaceActivity.kt
@@ -6,23 +6,17 @@ import android.text.Editable
 import android.text.TextWatcher
 import android.util.Log
 import android.view.View
-import android.widget.EditText
-import android.widget.ImageButton
-import android.widget.TextView
 import androidx.appcompat.app.AppCompatActivity
+import androidx.databinding.DataBindingUtil
 import androidx.recyclerview.widget.LinearLayoutManager
-import androidx.recyclerview.widget.RecyclerView
 import campus.tech.kakao.map.domain.PlaceDataModel
 import campus.tech.kakao.map.data.PlaceDatabaseAccess
 import campus.tech.kakao.map.data.PlaceRepository
 import campus.tech.kakao.map.R
+import campus.tech.kakao.map.databinding.SearchLayoutBinding
 
 class PlaceActivity : AppCompatActivity() {
-    lateinit var etSearch: EditText
-    lateinit var btnErase: ImageButton
-    lateinit var tvNoData: TextView
-    lateinit var rvPlaceList: RecyclerView
-    lateinit var rvSearchList: RecyclerView
+    lateinit var binding: SearchLayoutBinding
     lateinit var placeAdapter: PlaceRecyclerViewAdapter
     private lateinit var searchAdapter: SearchRecyclerViewAdapter
     var searchDatabaseAccess = PlaceDatabaseAccess(this, "Search.db")
@@ -31,12 +25,7 @@ class PlaceActivity : AppCompatActivity() {
 
     public override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.search_layout)
-        etSearch = findViewById<EditText>(R.id.etSearch)
-        btnErase = findViewById<ImageButton>(R.id.btnErase)
-        tvNoData = findViewById<TextView>(R.id.tvNoData)
-        rvPlaceList = findViewById<RecyclerView>(R.id.rvPlaceList)
-        rvSearchList = findViewById<RecyclerView>(R.id.rvSearchList)
+        binding = DataBindingUtil.setContentView(this, R.layout.search_layout)
 
         val searchList: MutableList<PlaceDataModel> = searchDatabaseAccess.getAllPlace()
         val keywordList: MutableList<PlaceDataModel> = mutableListOf()
@@ -45,23 +34,23 @@ class PlaceActivity : AppCompatActivity() {
 
         // Search 어댑터
         searchAdapter = searchRecyclerViewAdapter(searchList)
-        rvSearchList.adapter = searchAdapter
-        rvSearchList.layoutManager =
+        binding.rvSearchList.adapter = searchAdapter
+        binding.rvSearchList.layoutManager =
             LinearLayoutManager(this, LinearLayoutManager.HORIZONTAL, false)
 
         // Place 어댑터
         placeAdapter = placeRecyclerViewAdapter(keywordList, searchList)
-        rvPlaceList.adapter = placeAdapter
-        rvPlaceList.layoutManager = LinearLayoutManager(this)
+        binding.rvPlaceList.adapter = placeAdapter
+        binding.rvPlaceList.layoutManager = LinearLayoutManager(this)
 
         controlPlaceVisibility(keywordList)
         controlSearchVisibility(searchList)
 
-        btnErase.setOnClickListener {
-            etSearch.setText("")
+        binding.btnErase.setOnClickListener {
+            binding.etSearch.setText("")
         }
 
-        etSearch.addTextChangedListener(object : TextWatcher {
+        binding.etSearch.addTextChangedListener(object : TextWatcher {
             override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
             }
 
@@ -118,8 +107,8 @@ class PlaceActivity : AppCompatActivity() {
             searchList,
             // 저장 목록 선택 시, 검색칸에 장소명 표시
             onItemClick = { place ->
-                etSearch.setText(place.name)
-                etSearch.setSelection(place.name.length)
+                binding.etSearch.setText(place.name)
+                binding.etSearch.setSelection(place.name.length)
             },
             // X 선택 시, 저장 목록에서 삭제
             onCloseButtonClick = { place ->
@@ -145,21 +134,21 @@ class PlaceActivity : AppCompatActivity() {
     // visibility 조작
     fun controlPlaceVisibility(placeList: List<PlaceDataModel>) {
         if (placeList.isEmpty()) {
-            rvPlaceList.visibility = View.INVISIBLE
-            tvNoData.visibility = View.VISIBLE
+            binding.rvPlaceList.visibility = View.INVISIBLE
+            binding.tvNoData.visibility = View.VISIBLE
         }
         else {
-            rvPlaceList.visibility = View.VISIBLE
-            tvNoData.visibility = View.GONE
+            binding.rvPlaceList.visibility = View.VISIBLE
+            binding.tvNoData.visibility = View.GONE
         }
     }
 
     fun controlSearchVisibility(searchList: List<PlaceDataModel>) {
         if (searchList.isEmpty()) {
-            rvSearchList.visibility = View.GONE
+            binding.rvSearchList.visibility = View.GONE
         }
         else {
-            rvSearchList.visibility = View.VISIBLE
+            binding.rvSearchList.visibility = View.VISIBLE
         }
     }
 }
diff --git a/app/src/main/res/layout/map_layout.xml b/app/src/main/res/layout/map_layout.xml
@@ -1,59 +1,62 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/main"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    tools:context=".ui.MapActivity">
-
-
-    <com.kakao.vectormap.MapView
-        android:id="@+id/mapView"
-        android:layout_width="0dp"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
-
-    <androidx.cardview.widget.CardView
+<layout>
+    <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        xmlns:tools="http://schemas.android.com/tools"
+        android:id="@+id/main"
         android:layout_width="match_parent"
-        android:layout_height="50dp"
-        android:layout_margin="30dp"
-        app:cardElevation="10dp"
-        app:layout_constraintTop_toTopOf="parent">
+        android:layout_height="match_parent"
+        tools:context=".ui.MapActivity">
 
-        <androidx.constraintlayout.widget.ConstraintLayout
+
+        <com.kakao.vectormap.MapView
+            android:id="@+id/mapView"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <androidx.cardview.widget.CardView
             android:layout_width="match_parent"
-            android:layout_height="match_parent">
-
-            <EditText
-                android:id="@+id/etSearch"
-                android:layout_width="300dp"
-                android:layout_height="match_parent"
-                android:padding="12dp"
-                android:hint="@string/search_placeholder"
-                android:background="@color/white"
-                android:focusable="false"
-                app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintEnd_toStartOf="@+id/ibSearch"
-                app:layout_constraintStart_toStartOf="parent"/>
-
-            <ImageButton
-                android:id="@+id/ibSearch"
-                android:layout_width="0dp"
-                android:layout_height="match_parent"
-                android:layout_marginRight="10dp"
-                android:scaleType="centerInside"
-                android:src="@drawable/search"
-                android:background="@color/white"
-                app:layout_constraintTop_toTopOf="parent"
-                app:layout_constraintStart_toEndOf="@id/etSearch"
-                app:layout_constraintEnd_toEndOf="parent" />
-
-        </androidx.constraintlayout.widget.ConstraintLayout>
-    </androidx.cardview.widget.CardView>
-
-
-</androidx.constraintlayout.widget.ConstraintLayout>
+            android:layout_height="50dp"
+            android:layout_margin="30dp"
+            app:cardElevation="10dp"
+            app:layout_constraintTop_toTopOf="parent">
+
+            <androidx.constraintlayout.widget.ConstraintLayout
+                android:layout_width="match_parent"
+                android:layout_height="match_parent">
+
+                <EditText
+                    android:id="@+id/etSearch"
+                    android:layout_width="300dp"
+                    android:layout_height="match_parent"
+                    android:padding="12dp"
+                    android:hint="@string/search_placeholder"
+                    android:background="@color/white"
+                    android:focusable="false"
+                    app:layout_constraintTop_toTopOf="parent"
+                    app:layout_constraintEnd_toStartOf="@+id/ibSearch"
+                    app:layout_constraintStart_toStartOf="parent"/>
+
+                <ImageButton
+                    android:id="@+id/ibSearch"
+                    android:layout_width="0dp"
+                    android:layout_height="match_parent"
+                    android:layout_marginRight="10dp"
+                    android:scaleType="centerInside"
+                    android:src="@drawable/search"
+                    android:background="@color/white"
+                    app:layout_constraintTop_toTopOf="parent"
+                    app:layout_constraintStart_toEndOf="@id/etSearch"
+                    app:layout_constraintEnd_toEndOf="parent" />
+
+            </androidx.constraintlayout.widget.ConstraintLayout>
+
+        </androidx.cardview.widget.CardView>
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+
+</layout>