fix: polish Android QR scanner onboarding (#45021)

CHANGELOG.md

@@ -20,6 +20,7 @@ Docs: https://docs.openclaw.ai
 - Agents/OpenAI-compatible compat overrides: respect explicit user `models[].compat` opt-ins for non-native `openai-completions` endpoints so usage-in-streaming capability overrides no longer get forced off when the endpoint actually supports them. (#44432) Thanks @cheapestinference.
 - Agents/Azure OpenAI startup prompts: rephrase the built-in `/new`, `/reset`, and post-compaction startup instruction so Azure OpenAI deployments no longer hit HTTP 400 false positives from the content filter. (#43403) Thanks @xingsy97.
 - Config/validation: accept documented `agents.list[].params` per-agent overrides in strict config validation so `openclaw config validate` no longer rejects runtime-supported `cacheRetention`, `temperature`, and `maxTokens` settings. (#41171) Thanks @atian8179.
+- Android/onboarding QR scan: switch setup QR scanning to Google Code Scanner so onboarding uses a more reliable scanner instead of the legacy embedded ZXing flow. (#45021) Thanks @obviyus.
 
 ## 2026.3.12
 

apps/android/app/src/main/java/ai/openclaw/app/ui/OnboardingFlow.kt

@@ -562,8 +562,8 @@ fun OnboardingFlow(viewModel: MainViewModel, modifier: Modifier = Modifier) {
                   .addOnCanceledListener {
                     // User dismissed the scanner; preserve current form state.
                   }
-                  .addOnFailureListener { error ->
-                    gatewayError = resolveQrScannerError(error)
+                  .addOnFailureListener {
+                    gatewayError = qrScannerErrorMessage()
                   }
               },
               onAdvancedOpenChange = { gatewayAdvancedOpen = it },
@@ -1790,10 +1790,8 @@ private fun isPermissionGranted(context: Context, permission: String): Boolean {
   return ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_GRANTED
 }
 
-private fun resolveQrScannerError(error: Exception): String {
-  val detail = error.message?.trim().orEmpty()
-  val prefix = "Google Code Scanner could not start. Update Google Play services or use the setup code manually."
-  return if (detail.isEmpty()) prefix else "$prefix ($detail)"
+private fun qrScannerErrorMessage(): String {
+  return "Google Code Scanner could not start. Update Google Play services or use the setup code manually."
 }
 
 private fun isNotificationListenerEnabled(context: Context): Boolean {