feat : viewModel 사용 #3

GO-SOPT-ANDROID · Apr 20, 2023 · 1a09339 · 1a09339
1 parent e73ca02
commit 1a09339
Show file tree

Hide file tree

Showing 3 changed files with 34 additions and 17 deletions.
diff --git a/app/build.gradle b/app/build.gradle
@@ -52,4 +52,11 @@ dependencies {
 
     // ConcatAdapter
     implementation "androidx.recyclerview:recyclerview:1.3.0"
+
+    // ViewModel 사용하기
+    implementation "androidx.lifecycle:lifecycle-viewmodel-ktx:2.6.1"
+
+    // ViewModel 생성함수를 편하게 사용하고 싶다면?
+    implementation "androidx.fragment:fragment-ktx:1.5.7"
+    implementation "androidx.activity:activity-ktx:1.7.1"
 }
diff --git a/app/src/main/java/org/android/go/sopt/presentation/main/HomeFragment.kt b/app/src/main/java/org/android/go/sopt/presentation/main/HomeFragment.kt
@@ -5,6 +5,7 @@ import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import androidx.fragment.app.viewModels
 import androidx.recyclerview.widget.ConcatAdapter
 import androidx.recyclerview.widget.LinearLayoutManager
 import org.android.go.sopt.R
@@ -16,16 +17,7 @@ class HomeFragment : Fragment() {
     private val binding: FragmentHomeBinding
         get() = requireNotNull(_binding) { "앗!_binding이 null이다!" }
 
-    private val mockDogList = listOf<Dog>(
-        Dog("포메라니안", R.drawable.img_pomeranian, SIZE_SMALL),
-        Dog("말티즈", R.drawable.img_maltese, SIZE_SMALL),
-        Dog("토이 푸들", R.drawable.img_toy_poodle, SIZE_SMALL),
-        Dog("웰시코기", R.drawable.img_welshi_corgi, SIZE_MEDIUM),
-        Dog("진돗개", R.drawable.img_jindo, SIZE_MEDIUM),
-        Dog("비글", R.drawable.img_beagle, SIZE_MEDIUM),
-        Dog("골든 리트리버", R.drawable.img_golden_retriever, SIZE_LARGE),
-        Dog("셰퍼드", R.drawable.img_shepherd, SIZE_LARGE)
-    )
+    private val viewModel by viewModels<HomeViewModel>()
 
     override fun onCreateView(
         inflater: LayoutInflater,
@@ -40,7 +32,7 @@ class HomeFragment : Fragment() {
         super.onViewCreated(view, savedInstanceState)
         val titleAdapter = TitleAdapter(requireContext())
         val dogAdapter = DogAdapter(requireContext())
-        dogAdapter.setDogList(mockDogList)
+        dogAdapter.setDogList(viewModel.mockDogList)
         binding.rvHomeDog.adapter = ConcatAdapter(titleAdapter, dogAdapter)
     }
 
@@ -52,10 +44,4 @@ class HomeFragment : Fragment() {
     fun scrollToTop() {
         binding.rvHomeDog.smoothScrollToPosition(0)
     }
-
-    companion object {
-        private const val SIZE_SMALL = "소형견"
-        private const val SIZE_MEDIUM = "중형견"
-        private const val SIZE_LARGE = "대형견"
-    }
 }
diff --git a/app/src/main/java/org/android/go/sopt/presentation/main/HomeViewModel.kt b/app/src/main/java/org/android/go/sopt/presentation/main/HomeViewModel.kt
@@ -0,0 +1,24 @@
+package org.android.go.sopt.presentation.main
+
+import androidx.lifecycle.ViewModel
+import org.android.go.sopt.R
+import org.android.go.sopt.data.Dog
+
+class HomeViewModel: ViewModel() {
+    val mockDogList = listOf<Dog>(
+        Dog("포메라니안", R.drawable.img_pomeranian, SIZE_SMALL),
+        Dog("말티즈", R.drawable.img_maltese, SIZE_SMALL),
+        Dog("토이 푸들", R.drawable.img_toy_poodle, SIZE_SMALL),
+        Dog("웰시코기", R.drawable.img_welshi_corgi, SIZE_MEDIUM),
+        Dog("진돗개", R.drawable.img_jindo, SIZE_MEDIUM),
+        Dog("비글", R.drawable.img_beagle, SIZE_MEDIUM),
+        Dog("골든 리트리버", R.drawable.img_golden_retriever, SIZE_LARGE),
+        Dog("셰퍼드", R.drawable.img_shepherd, SIZE_LARGE)
+    )
+
+    companion object {
+        private const val SIZE_SMALL = "소형견"
+        private const val SIZE_MEDIUM = "중형견"
+        private const val SIZE_LARGE = "대형견"
+    }
+}