feat(ui): 채팅 탭 추가

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

@@ -0,0 +1,18 @@
+package kr.co.vividnext.sodalive.chat
+
+import android.os.Bundle
+import android.view.View
+import kr.co.vividnext.sodalive.base.BaseFragment
+import kr.co.vividnext.sodalive.databinding.FragmentChatBinding
+
+class ChatFragment : BaseFragment<FragmentChatBinding>(FragmentChatBinding::inflate) {
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        initView()
+    }
+
+    private fun initView() {
+        // 채팅 화면 초기화 로직
+    }
+}

app/src/main/java/kr/co/vividnext/sodalive/main/MainActivity.kt

@@ -35,6 +35,7 @@ import kr.co.vividnext.sodalive.audio_content.player.AudioContentPlayerFragment
 import kr.co.vividnext.sodalive.audio_content.player.AudioContentPlayerService
 import kr.co.vividnext.sodalive.audio_content.series.detail.SeriesDetailActivity
 import kr.co.vividnext.sodalive.base.BaseActivity
+import kr.co.vividnext.sodalive.chat.ChatFragment
 import kr.co.vividnext.sodalive.common.Constants
 import kr.co.vividnext.sodalive.common.LoadingDialog
 import kr.co.vividnext.sodalive.common.SharedPreferenceManager
@@ -385,6 +386,17 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
             tab = MainViewModel.CurrentTab.HOME
         )
 
+        setupTab(
+            binding = binding.tabChat,
+            title = "채팅",
+            imageSrc = R.drawable.ic_tabbar_chat,
+            colorStateList = ContextCompat.getColorStateList(
+                applicationContext,
+                R.color.color_tabbar_title
+            ),
+            tab = MainViewModel.CurrentTab.CHAT
+        )
+
         setupTab(
             binding = binding.tabLive,
             title = "라이브",
@@ -409,6 +421,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
 
         viewModel.currentTab.observe(this) {
             setTabSelected(binding.tabHome, isSelected = false)
+            setTabSelected(binding.tabChat, isSelected = false)
             setTabSelected(binding.tabLive, isSelected = false)
             setTabSelected(binding.tabMy, isSelected = false)
 
@@ -418,6 +431,10 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
                     setTabSelected(binding.tabHome, isSelected = true)
                 }
 
+                MainViewModel.CurrentTab.CHAT -> {
+                    setTabSelected(binding.tabChat, isSelected = true)
+                }
+
                 MainViewModel.CurrentTab.LIVE -> {
                     setTabSelected(binding.tabLive, isSelected = true)
                 }
@@ -474,6 +491,7 @@ class MainActivity : BaseActivity<ActivityMainBinding>(ActivityMainBinding::infl
                 MainViewModel.CurrentTab.LIVE -> liveFragment
                 MainViewModel.CurrentTab.HOME -> HomeFragment()
                 MainViewModel.CurrentTab.MY -> MyPageFragment()
+                MainViewModel.CurrentTab.CHAT -> ChatFragment()
             }
 
             fragmentTransaction.add(R.id.fl_container, fragment, tag)

app/src/main/java/kr/co/vividnext/sodalive/main/MainViewModel.kt

@@ -40,7 +40,10 @@ class MainViewModel(
         LIVE,
 
         @SerializedName("MY")
-        MY
+        MY,
+
+        @SerializedName("CHAT")
+        CHAT
     }
 
     private val _currentTab = MutableLiveData(CurrentTab.HOME)