feat(ui): 캐릭터 탭

- loadingDialog, Toast 라이브 데이터 옵저버 연결

app/src/main/java/kr/co/vividnext/sodalive/chat/character/CharacterAdapter.kt

@@ -6,7 +6,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import coil.transform.RoundedCornersTransformation
 import com.bumptech.glide.Glide
 import com.bumptech.glide.load.resource.bitmap.RoundedCorners
 import com.bumptech.glide.request.RequestOptions

app/src/main/java/kr/co/vividnext/sodalive/chat/character/CharacterTabFragment.kt

@@ -6,6 +6,7 @@ import android.net.Uri
 import android.os.Bundle
 import android.view.View
 import android.widget.LinearLayout
+import android.widget.Toast
 import androidx.annotation.OptIn
 import androidx.core.content.ContextCompat
 import androidx.media3.common.util.UnstableApi
@@ -23,6 +24,7 @@ import kr.co.vividnext.sodalive.chat.character.curation.CurationSectionAdapter
 import kr.co.vividnext.sodalive.chat.character.recent.RecentCharacter
 import kr.co.vividnext.sodalive.chat.character.recent.RecentCharacterAdapter
 import kr.co.vividnext.sodalive.common.Constants
+import kr.co.vividnext.sodalive.common.LoadingDialog
 import kr.co.vividnext.sodalive.common.SharedPreferenceManager
 import kr.co.vividnext.sodalive.databinding.FragmentCharacterTabBinding
 import kr.co.vividnext.sodalive.explorer.profile.UserProfileActivity
@@ -43,15 +45,19 @@ class CharacterTabFragment : BaseFragment<FragmentCharacterTabBinding>(
     private lateinit var popularCharacterAdapter: CharacterAdapter
     private lateinit var newCharacterAdapter: CharacterAdapter
     private lateinit var curationSectionAdapter: CurationSectionAdapter
+    private lateinit var loadingDialog: LoadingDialog
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
         setupView()
+        observeViewModel()
 
         viewModel.fetchData()
     }
 
     private fun setupView() {
+        loadingDialog = LoadingDialog(requireActivity(), layoutInflater)
+
         setupBanner()
         setupRecentCharactersRecyclerView()
         setupPopularCharactersRecyclerView()
@@ -376,6 +382,19 @@ class CharacterTabFragment : BaseFragment<FragmentCharacterTabBinding>(
         }
     }
 
+    private fun observeViewModel() {
+        viewModel.isLoading.observe(viewLifecycleOwner) {
+            if (it) {
+                loadingDialog.show(screenWidth)
+            } else {
+                loadingDialog.dismiss()
+            }
+        }
+
+        viewModel.toastLiveData.observe(viewLifecycleOwner) {
+            it?.let { Toast.makeText(requireActivity(), it, Toast.LENGTH_LONG).show() }
+        }
+    }
 
     private fun onRecentCharacterClick(character: RecentCharacter) {
         // TODO: 최근 대화한 캐릭터 클릭 처리

app/src/main/java/kr/co/vividnext/sodalive/chat/character/CharacterTabViewModel.kt

@@ -63,6 +63,9 @@ class CharacterTabViewModel(
                             _popularCharacters.value = data.popularCharacters
                             _newCharacters.value = data.newCharacters
                             _curationSections.value = data.curationSections
+                        } else {
+                            _toastLiveData.value =
+                                it.message ?: "알 수 없는 오류가 발생했습니다. 다시 시도해 주세요."
                         }
                     },
                     {