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feat(car): add lifecycle-aware screen invalidation on state changes

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HomeScreen now observes CarStateCoordinator flows and calls
invalidate() when messaging or node state updates, ensuring
the template refreshes with live data.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
This commit is contained in:
James Rich
2026-05-21 17:51:44 -05:00
parent 11cfb0de7b
commit 4363ad1057
1 changed files with 27 additions and 0 deletions
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27
feature/car/src/main/kotlin/org/meshtastic/feature/car/screens/HomeScreen.kt
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@@ -26,6 +26,13 @@ import androidx.car.app.model.Tab
import androidx.car.app.model.TabContents
import androidx.car.app.model.TabTemplate
import androidx.car.app.model.Template
import androidx.lifecycle.DefaultLifecycleObserver
import androidx.lifecycle.LifecycleOwner
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.SupervisorJob
import kotlinx.coroutines.cancel
import kotlinx.coroutines.launch
import org.meshtastic.feature.car.R
import org.meshtastic.feature.car.model.NodeUi
import org.meshtastic.feature.car.model.SignalQuality
@@ -34,6 +41,26 @@ import org.meshtastic.feature.car.service.CarStateCoordinator
class HomeScreen(carContext: CarContext, private val stateCoordinator: CarStateCoordinator) : Screen(carContext) {
private var selectedTabId: String = TAB_ID_MESSAGES
private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Main.immediate)
init {
lifecycle.addObserver(
object : DefaultLifecycleObserver {
override fun onStart(owner: LifecycleOwner) {
observeState()
}
override fun onDestroy(owner: LifecycleOwner) {
scope.cancel()
}
},
)
}
private fun observeState() {
scope.launch { stateCoordinator.messagingState.collect { invalidate() } }
scope.launch { stateCoordinator.nodeDashboardState.collect { invalidate() } }
}
override fun onGetTemplate(): Template {
val messagingTab =