refactor(preferences): DataStore 설정 저장 안정성을 높인다

app/src/main/java/kr/co/vividnext/sodalive/live/LiveFragment.kt

@@ -3,7 +3,6 @@ package kr.co.vividnext.sodalive.live
 import android.annotation.SuppressLint
 import android.app.Activity
 import android.content.Intent
-import android.content.SharedPreferences
 import android.graphics.Rect
 import android.os.Bundle
 import android.os.Handler
@@ -15,6 +14,9 @@ import android.widget.Toast
 import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.core.content.ContextCompat
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.lifecycleScope
+import androidx.lifecycle.repeatOnLifecycle
 import androidx.media3.common.util.UnstableApi
 import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.LinearLayoutManager
@@ -72,6 +74,8 @@ import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
 import java.util.TimeZone
+import kotlinx.coroutines.flow.collect
+import kotlinx.coroutines.launch
 import kotlin.math.roundToInt
 
 @UnstableApi
@@ -90,27 +94,6 @@ class LiveFragment : BaseFragment<FragmentLiveBinding>(FragmentLiveBinding::infl
     private var message = ""
     private val handler = Handler(Looper.getMainLooper())
 
-    private val preferenceChangeListener =
-        SharedPreferences.OnSharedPreferenceChangeListener { sharedPreferences, key ->
-            // 특정 키에 대한 값이 변경될 때 UI 업데이트
-            if (key == Constants.PREF_USER_ROLE) {
-                if (
-                    sharedPreferences.getString(
-                        key,
-                        MemberRole.USER.name
-                    ) == MemberRole.CREATOR.name
-                ) {
-                    binding.llMakeLive.visibility = View.VISIBLE
-                    binding.llMakeLive.setOnClickListener {
-                        val intent = Intent(requireContext(), LiveRoomCreateActivity::class.java)
-                        activityResultLauncher.launch(intent)
-                    }
-                } else {
-                    binding.llMakeLive.visibility = View.GONE
-                }
-            }
-        }
-
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
 
@@ -131,7 +114,14 @@ class LiveFragment : BaseFragment<FragmentLiveBinding>(FragmentLiveBinding::infl
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
-        SharedPreferenceManager.registerOnSharedPreferenceChangeListener(preferenceChangeListener)
+
+        viewLifecycleOwner.lifecycleScope.launch {
+            viewLifecycleOwner.repeatOnLifecycle(Lifecycle.State.STARTED) {
+                SharedPreferenceManager.roleFlow.collect { role ->
+                    renderMakeLiveByRole(role)
+                }
+            }
+        }
 
         setupView()
 
@@ -140,7 +130,6 @@ class LiveFragment : BaseFragment<FragmentLiveBinding>(FragmentLiveBinding::infl
     }
 
     override fun onDestroyView() {
-        SharedPreferenceManager.unregisterOnSharedPreferenceChangeListener(preferenceChangeListener)
         super.onDestroyView()
     }
 
@@ -159,17 +148,7 @@ class LiveFragment : BaseFragment<FragmentLiveBinding>(FragmentLiveBinding::infl
             }
         }
 
-        binding.llMakeLive.visibility =
-            if (SharedPreferenceManager.role == MemberRole.CREATOR.name) {
-                View.VISIBLE
-            } else {
-                View.GONE
-            }
-
-        binding.llMakeLive.setOnClickListener {
-            val intent = Intent(requireContext(), LiveRoomCreateActivity::class.java)
-            activityResultLauncher.launch(intent)
-        }
+        renderMakeLiveByRole(SharedPreferenceManager.role)
 
         setupToolbar()
         setupLiveNow()
@@ -181,6 +160,19 @@ class LiveFragment : BaseFragment<FragmentLiveBinding>(FragmentLiveBinding::infl
         setupLiveReservation()
     }
 
+    private fun renderMakeLiveByRole(role: String) {
+        if (role == MemberRole.CREATOR.name) {
+            binding.llMakeLive.visibility = View.VISIBLE
+            binding.llMakeLive.setOnClickListener {
+                val intent = Intent(requireContext(), LiveRoomCreateActivity::class.java)
+                activityResultLauncher.launch(intent)
+            }
+            return
+        }
+
+        binding.llMakeLive.visibility = View.GONE
+    }
+
     private fun setupToolbar() {
         if (SharedPreferenceManager.token.isNotBlank()) {
             binding.llShortIcon.visibility = View.VISIBLE