fix: 알림 모두 읽었는데 홈 화면 아이콘 점 사라지지 않는 이슈

app/src/main/java/com/into/websoso/core/common/ui/model/ResultFrom.kt

@@ -16,6 +16,7 @@ enum class ResultFrom {
     OtherUserProfileBack,
     NovelRating,
     WithdrawUser,
+    Notification,
     ;
 
     val RESULT_OK: Int = ordinal + 1

app/src/main/java/com/into/websoso/ui/main/home/HomeFragment.kt

@@ -1,11 +1,12 @@
 package com.into.websoso.ui.main.home
 
 import android.Manifest
+import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.view.View
+import androidx.activity.result.ActivityResultLauncher
 import androidx.activity.result.contract.ActivityResultContracts
-import androidx.core.content.ContextCompat
 import androidx.fragment.app.activityViewModels
 import androidx.fragment.app.viewModels
 import com.google.firebase.messaging.FirebaseMessaging
@@ -15,6 +16,7 @@ import com.into.websoso.core.common.ui.base.BaseFragment
 import com.into.websoso.core.common.ui.model.ResultFrom.FeedDetailBack
 import com.into.websoso.core.common.ui.model.ResultFrom.FeedDetailRemoved
 import com.into.websoso.core.common.ui.model.ResultFrom.NormalExploreBack
+import com.into.websoso.core.common.ui.model.ResultFrom.Notification
 import com.into.websoso.core.common.ui.model.ResultFrom.NovelDetailBack
 import com.into.websoso.core.common.ui.model.ResultFrom.ProfileEditSuccess
 import com.into.websoso.core.common.util.tracker.Tracker
@@ -40,6 +42,15 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home) {
     private val homeViewModel: HomeViewModel by viewModels()
     private val mainViewModel: MainViewModel by activityViewModels()
 
+    private val homeResultLauncher: ActivityResultLauncher<Intent> =
+        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+            when (result.resultCode) {
+                Notification.RESULT_OK -> {
+                    homeViewModel.updateNotificationUnread()
+                }
+            }
+        }
+
     private val popularNovelsAdapter: PopularNovelsAdapter by lazy {
         PopularNovelsAdapter(::onPopularNovelClick)
     }
@@ -195,12 +206,7 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home) {
     }
 
     private fun updateHasNotificationUnread(hasUnread: Boolean) {
-        val drawable = if (hasUnread) {
-            ContextCompat.getDrawable(requireContext(), R.drawable.ic_home_notification_unread)
-        } else {
-            ContextCompat.getDrawable(requireContext(), R.drawable.ic_home_notification_read)
-        }
-        binding.ivHomeNotification.setImageDrawable(drawable)
+        binding.ivHomeNotification.isSelected = hasUnread
     }
 
     private fun showNotificationPermissionDialog() {
@@ -289,7 +295,8 @@ class HomeFragment : BaseFragment<FragmentHomeBinding>(R.layout.fragment_home) {
 
     private fun onNotificationButtonClick() {
         binding.ivHomeNotification.setOnClickListener {
-            startActivity(NotificationActivity.getIntent(requireContext()))
+            val intent = NotificationActivity.getIntent(requireContext())
+            homeResultLauncher.launch(intent)
         }
     }
 

app/src/main/java/com/into/websoso/ui/main/home/HomeViewModel.kt

@@ -189,7 +189,7 @@ class HomeViewModel
             }
         }
 
-        private fun updateNotificationUnread() {
+        fun updateNotificationUnread() {
             viewModelScope.launch {
                 runCatching {
                     notificationRepository.fetchNotificationUnread()

app/src/main/java/com/into/websoso/ui/notification/NotificationActivity.kt

@@ -6,6 +6,7 @@ import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.viewModels
+import com.into.websoso.core.common.ui.model.ResultFrom
 import com.into.websoso.core.designsystem.theme.WebsosoTheme
 import com.into.websoso.domain.model.Notification
 import com.into.websoso.ui.feedDetail.FeedDetailActivity
@@ -25,7 +26,10 @@ class NotificationActivity : ComponentActivity() {
                     viewModel = notificationViewModel,
                     onNotificationDetailClick = ::navigateToNotificationDetail,
                     onFeedDetailClick = ::navigateToFeedDetail,
-                    onBackButtonClick = { finish() },
+                    onBackButtonClick = {
+                        setResult(ResultFrom.Notification.RESULT_OK)
+                        finish()
+                    },
                 )
             }
         }

app/src/main/java/com/into/websoso/ui/notification/NotificationScreen.kt

@@ -1,5 +1,6 @@
 package com.into.websoso.ui.notification
 
+import androidx.activity.compose.BackHandler
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.runtime.Composable
@@ -19,6 +20,10 @@ fun NotificationScreen(
 ) {
     val uiState by viewModel.notificationUiState.collectAsStateWithLifecycle()
 
+    BackHandler {
+        onBackButtonClick()
+    }
+
     Column(modifier = Modifier.fillMaxSize()) {
         NotificationAppBar(onBackButtonClick)
         NotificationsContainer(

app/src/main/res/layout/fragment_home.xml

@@ -30,7 +30,7 @@
             android:layout_width="28dp"
             android:layout_height="0dp"
             android:layout_marginEnd="20dp"
-            android:src="@drawable/ic_home_notification_unread"
+            android:src="@drawable/ic_home_notification_selector"
             app:layout_constraintBottom_toBottomOf="@id/iv_home_logo"
             app:layout_constraintDimensionRatio="1"
             app:layout_constraintEnd_toEndOf="parent"