[MOD/#17] listAdapter 관련하여 코드 1차 작성

Keyneez · May 19, 2023 · 4df675c · 4df675c
1 parent 45308e0
commit 4df675c
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Showing 9 changed files with 35 additions and 33 deletions.
diff --git a/app/src/main/java/com/release/keyneez/domain/model/Activity.kt b/app/src/main/java/com/release/keyneez/domain/model/Activity.kt
@@ -1,6 +1,7 @@
 package com.release.keyneez.domain.model
 
 data class Activity(
+    val id: Int,
     val background: Int,
     val category: String,
     val title: String,

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/explore/ExploreFragment.kt b/app/src/main/java/com/release/keyneez/presentation/main/explore/ExploreFragment.kt
@@ -7,15 +7,11 @@ import android.view.View
 import com.google.android.material.tabs.TabLayoutMediator
 import com.release.keyneez.R
 import com.release.keyneez.databinding.FragmentExploreBinding
-import com.release.keyneez.databinding.FragmentExplorePopularBinding
 import com.release.keyneez.presentation.main.search.SearchActivity
 import com.release.keyneez.util.binding.BindingFragment
 import com.release.keyneez.util.extension.setOnSingleClickListener
 
 class ExploreFragment : BindingFragment<FragmentExploreBinding>(R.layout.fragment_explore) {
-    private var _binding: FragmentExplorePopularBinding? = null
-        get() = _binding!!
-
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
 
@@ -43,11 +39,6 @@ class ExploreFragment : BindingFragment<FragmentExploreBinding>(R.layout.fragmen
         }
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     companion object {
         @JvmStatic
         fun newInstance() = ExploreFragment()

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/explore/popular/PopularFragment.kt b/app/src/main/java/com/release/keyneez/presentation/main/explore/popular/PopularFragment.kt
@@ -9,8 +9,6 @@ import com.release.keyneez.util.binding.BindingFragment
 
 class PopularFragment :
     BindingFragment<FragmentExplorePopularBinding>(R.layout.fragment_explore_popular) {
-    private var _binding: FragmentExplorePopularBinding? = null
-        get() = _binding!!
 
     private val viewModel: PopularViewModel by viewModels()
     private lateinit var popularAdapter: PopularAdapter
@@ -32,11 +30,6 @@ class PopularFragment :
         binding.rvExplorePopular.adapter = popularAdapter
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     companion object {
         @JvmStatic
         fun newInstance() = PopularFragment()

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/explore/popular/PopularViewModel.kt b/app/src/main/java/com/release/keyneez/presentation/main/explore/popular/PopularViewModel.kt
@@ -18,27 +18,31 @@ class PopularViewModel : ViewModel() {
     private fun getPopularActivityList() {
         val mainList = listOf(
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",
                 date = "%s-%s",
                 liked = true
             ),
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",
                 date = "%s-%s",
                 liked = true
             ),
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",
                 date = "%s-%s",
                 liked = true
             ),
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/explore/recent/RecentAdapter.kt b/app/src/main/java/com/release/keyneez/presentation/main/explore/recent/RecentAdapter.kt
@@ -2,12 +2,14 @@ package com.release.keyneez.presentation.main.explore.recent
 
 import android.view.LayoutInflater
 import android.view.ViewGroup
+import androidx.recyclerview.widget.ListAdapter
 import androidx.recyclerview.widget.RecyclerView
 import coil.load
 import com.release.keyneez.databinding.ItemExploreContentBinding
 import com.release.keyneez.domain.model.Activity
+import com.release.keyneez.util.DiffCallback
 
-class RecentAdapter : RecyclerView.Adapter<RecentAdapter.RecentViewHolder>() {
+class RecentAdapter : ListAdapter<Activity, RecyclerView.ViewHolder>(diffUtil) {
     var data = listOf<Activity>()
 
     class RecentViewHolder(private val binding: ItemExploreContentBinding) :
@@ -23,15 +25,27 @@ class RecentAdapter : RecyclerView.Adapter<RecentAdapter.RecentViewHolder>() {
         }
     }
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecentViewHolder {
-        val binding =
-            ItemExploreContentBinding.inflate(LayoutInflater.from(parent.context), parent, false)
-        return RecentViewHolder(binding)
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): RecyclerView.ViewHolder {
+        return RecentViewHolder(
+            ItemExploreContentBinding.inflate(
+                LayoutInflater.from(parent.context),
+                parent,
+                false
+            )
+        )
     }
 
-    override fun getItemCount(): Int = data.size
+    override fun getItemCount(): Int = super.getItemCount()
 
-    override fun onBindViewHolder(holder: RecentViewHolder, position: Int) {
-        holder.bind(data[position])
+    override fun onBindViewHolder(holder: RecyclerView.ViewHolder, position: Int) {
+        if (holder is RecentViewHolder) holder.bind(getItem(position))
+    }
+
+    companion object {
+        private val diffUtil =
+            DiffCallback<Activity>(
+                onItemsTheSame = { old, new -> old.id == new.id },
+                onContentsTheSame = { old, new -> old == new }
+            )
     }
 }
diff --git a/app/src/main/java/com/release/keyneez/presentation/main/explore/recent/RecentFragment.kt b/app/src/main/java/com/release/keyneez/presentation/main/explore/recent/RecentFragment.kt
@@ -9,8 +9,6 @@ import com.release.keyneez.util.binding.BindingFragment
 
 class RecentFragment :
     BindingFragment<FragmentExploreRecentBinding>(R.layout.fragment_explore_recent) {
-    private var _binding: FragmentExploreRecentBinding? = null
-        get() = _binding!!
 
     private val viewModel: RecentViewModel by viewModels()
     private lateinit var recentAdapter: RecentAdapter
@@ -32,11 +30,6 @@ class RecentFragment :
         binding.rvExploreRecent.adapter = recentAdapter
     }
 
-    override fun onDestroyView() {
-        super.onDestroyView()
-        _binding = null
-    }
-
     companion object {
         @JvmStatic
         fun newInstance() = RecentFragment()

diff --git a/app/src/main/java/com/release/keyneez/presentation/main/explore/recent/RecentViewModel.kt b/app/src/main/java/com/release/keyneez/presentation/main/explore/recent/RecentViewModel.kt
@@ -18,27 +18,31 @@ class RecentViewModel : ViewModel() {
     private fun getRecentActivityList() {
         val mainList = listOf(
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",
                 date = "%s-%s",
                 liked = true
             ),
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",
                 date = "%s-%s",
                 liked = true
             ),
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",
                 date = "%s-%s",
                 liked = true
             ),
             Activity(
+                id = 1,
                 background = R.drawable.img_explore_background,
                 title = "행주산성\n맛집 투어",
                 category = "진로",

diff --git a/app/src/main/java/com/release/keyneez/util/binding/BindingFragment.kt b/app/src/main/java/com/release/keyneez/util/binding/BindingFragment.kt
@@ -14,7 +14,7 @@ abstract class BindingFragment<T : ViewDataBinding>(
     @LayoutRes private val layoutRes: Int,
 ) : Fragment() {
     private var _binding: T? = null
-    protected val binding get() = requireNotNull(_binding) { getString(R.string.binding_error) }
+    protected val binding get() = requireNotNull(_binding) { getString(R.string.binding_error_msg) }
 
     override fun onCreateView(
         inflater: LayoutInflater,

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -2,7 +2,9 @@
     <string name="app_name">Keyneez</string>
 
     <!-- error -->
-    <string name="binding_error">Binding not initialized to reference the view.</string>
+    <string name="binding_error_msg">Binding not initialized to reference the view.</string>
+    <string name="unknown_error_msg">알 수 없는 오류가 발생했습니다.</string>
+    <string name="view_type_error_msg">Unknown View Type : %d</string>
 
     <!-- main -->
     <string name="main_menu_home">홈</string>