fix(chat): DM realtime 정리 누락을 보정한다

app/src/main/java/kr/co/vividnext/sodalive/v2/main/chat/dm/DmChatRoomViewModel.kt

@@ -1,5 +1,7 @@
 package kr.co.vividnext.sodalive.v2.main.chat.dm
 
+import android.os.Handler
+import android.os.Looper
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import com.orhanobut.logger.Logger
@@ -47,6 +49,7 @@ class DmChatRoomViewModel(
     private var isDisconnecting: Boolean = false
     private var reconnectDisposable: Disposable? = null
     private var localMessageSequence: Long = 0L
+    private val mainHandler = Handler(Looper.getMainLooper())
 
     private val _chatRoomStateLiveData = MutableLiveData<DmChatRoomUiState>()
     val chatRoomStateLiveData: LiveData<DmChatRoomUiState>
@@ -252,7 +255,19 @@ class DmChatRoomViewModel(
     }
 
     private fun scheduleRealtimeCallback(action: () -> Unit) {
-        compositeDisposable.add(AndroidSchedulers.mainThread().scheduleDirect(action))
+        if (Looper.myLooper() == Looper.getMainLooper()) {
+            action()
+        } else {
+            mainHandler.post { action() }
+        }
+    }
+
+    override fun onCleared() {
+        mainHandler.removeCallbacksAndMessages(null)
+        reconnectDisposable?.dispose()
+        reconnectDisposable = null
+        repository.cancelRealtime()
+        super.onCleared()
     }
 
     private fun createRoomAndOpen(creatorId: Long) {