android: «How traffic goes» no longer says the app is not found on the first try: the check waits for the installed-apps list instead of a fixed 300 ms delay

Co-Authored-By: Claude Sonnet 5.5 <[email protected]>

src/frontends/android/app/src/main/java/org/strongswan/android/ui/compose/RouteCheckScreen.kt

@@ -124,10 +124,23 @@ fun RouteCheckScreen(onBack: () -> Unit, initialMode: RouteCheckMode = RouteChec
 	var result by remember { mutableStateOf<CheckResult?>(null) }
 	var recent by remember { mutableStateOf(prefs.getString(PREF_RECENT, "")!!.split('\n').filter { it.isNotBlank() }) }
 	val rulesActive = remember { CharonVpnService.isUserspaceRoutingEnabled(context) }
-	val apps by produceState<List<InstalledApp>>(emptyList(), mode) {
-		if (mode == RouteCheckMode.APP && value.isEmpty())
+	var apps by remember { mutableStateOf<List<InstalledApp>>(emptyList()) }
+
+	/** The installed apps; loads them on first use, so a check never runs against a list that is still empty. */
+	suspend fun loadApps(): List<InstalledApp>
+	{
+		if (apps.isEmpty())
 		{
-			value = withContext(Dispatchers.IO) { DirectApps.loadInstalledApps(context.packageManager, context.packageName) }
+			apps = withContext(Dispatchers.IO) { DirectApps.loadInstalledApps(context.packageManager, context.packageName) }
+		}
+		return apps
+	}
+
+	LaunchedEffect(mode)
+	{
+		if (mode == RouteCheckMode.APP)
+		{
+			loadApps()
 		}
 	}
 
@@ -150,7 +163,7 @@ fun RouteCheckScreen(onBack: () -> Unit, initialMode: RouteCheckMode = RouteChec
 			{
 				RouteCheckMode.SITE -> checkSite(context, manager, input, rulesActive)
 				RouteCheckMode.IP -> checkIp(context, manager, input, rulesActive)
-				RouteCheckMode.APP -> apps.firstOrNull { it.packageName == input || it.label.equals(input, ignoreCase = true) }
+				RouteCheckMode.APP -> loadApps().firstOrNull { it.packageName == input || it.label.equals(input, ignoreCase = true) }
 					?.let { CheckResult.App(it) } ?: CheckResult.BadInput
 			}
 			if (result !is CheckResult.BadInput)
@@ -173,10 +186,6 @@ fun RouteCheckScreen(onBack: () -> Unit, initialMode: RouteCheckMode = RouteChec
 	{
 		if (initialQuery.isNotBlank())
 		{
-			if (mode == RouteCheckMode.APP)
-			{
-				delay(300)
-			}
 			run()
 		}
 	}