Interests: used filterIsInstance to find the TopicNavKey and get its ID instead of explicit type check and cast approach.

3 days ago · 31446c8e6c
parent 788672e29b
commit 31446c8e6c
1 changed files with 3 additions and 2 deletions
--- a/feature/interests/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/feature/interests/impl/InterestsViewModel.kt
+++ b/feature/interests/impl/src/main/kotlin/com/google/samples/apps/nowinandroid/feature/interests/impl/InterestsViewModel.kt
@ -48,8 +48,9 @@ class InterestsViewModel @AssistedInject constructor(
    private val selectedTopicId: StateFlow<String?> =
        snapshotFlow {
            navigationState.currentSubStack
-                .lastOrNull { it is TopicNavKey }
-                ?.let { (it as TopicNavKey).id }
+                .filterIsInstance<TopicNavKey>()
+                .lastOrNull()
+                ?.id
        }.stateIn(
            scope = viewModelScope,
            started = SharingStarted.WhileSubscribed(5_000),